/*****************************************************************************
- * name: unzip.c
- *
- * desc: IO on .zip files using portions of zlib
- *
- *
- *****************************************************************************/
+* name: unzip.c
+*
+* desc: IO on .zip files using portions of zlib
+*
+*
+*****************************************************************************/
#include <stdlib.h>
#include <stdio.h>
typedef unsigned char byte;
-/* unzip.h -- IO for uncompress .zip files using zlib
+/* unzip.h -- IO for uncompress .zip files using zlib
Version 0.15 beta, Mar 19th, 1998,
Copyright (C) 1998 Gilles Vollant
Condition of use and distribution are the same than zlib :
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the authors be held liable for any damages
- arising from the use of this software.
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any damages
+ arising from the use of this software.
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute it
+ freely, subject to the following restrictions:
- 1. The origin of this software must not be misrepresented; you must not
+ 1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
+ 2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
+ 3. This notice may not be removed or altered from any source distribution.
-*/
-/* for more info about .ZIP format, see
+ */
+/* for more info about .ZIP format, see
ftp://ftp.cdrom.com/pub/infozip/doc/appnote-970311-iz.zip
PkWare has also a specification at :
ftp://ftp.pkware.com/probdesc.zip */
/* zlib.h -- interface of the 'zlib' general purpose compression library
- version 1.1.3, July 9th, 1998
+ version 1.1.3, July 9th, 1998
- Copyright (C) 1995-1998 Jean-loup Gailly and Mark Adler
+ Copyright (C) 1995-1998 Jean-loup Gailly and Mark Adler
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the authors be held liable for any damages
- arising from the use of this software.
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any damages
+ arising from the use of this software.
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute it
+ freely, subject to the following restrictions:
- 1. The origin of this software must not be misrepresented; you must not
+ 1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
+ 2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
+ 3. This notice may not be removed or altered from any source distribution.
- Jean-loup Gailly Mark Adler
- jloup@gzip.org madler@alumni.caltech.edu
+ Jean-loup Gailly Mark Adler
+ jloup@gzip.org madler@alumni.caltech.edu
- The data format used by the zlib library is described by RFCs (Request for
- Comments) 1950 to 1952 in the files ftp://ds.internic.net/rfc/rfc1950.txt
- (zlib format), rfc1951.txt (deflate format) and rfc1952.txt (gzip format).
-*/
+ The data format used by the zlib library is described by RFCs (Request for
+ Comments) 1950 to 1952 in the files ftp://ds.internic.net/rfc/rfc1950.txt
+ (zlib format), rfc1951.txt (deflate format) and rfc1952.txt (gzip format).
+ */
/* zconf.h -- configuration of the zlib compression library
* Copyright (C) 1995-1998 Jean-loup Gailly.
- * For conditions of distribution and use, see copyright notice in zlib.h
+ * For conditions of distribution and use, see copyright notice in zlib.h
*/
/* The memory requirements for deflate are (in bytes):
(1 << (windowBits+2)) + (1 << (memLevel+9))
- that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
- plus a few kilobytes for small objects. For example, if you want to reduce
- the default memory requirements from 256K to 128K, compile with
+ that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
+ plus a few kilobytes for small objects. For example, if you want to reduce
+ the default memory requirements from 256K to 128K, compile with
make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
- Of course this will generally degrade compression (there's no free lunch).
+ Of course this will generally degrade compression (there's no free lunch).
The memory requirements for inflate are (in bytes) 1 << windowBits
- that is, 32K for windowBits=15 (default value) plus a few kilobytes
- for small objects.
-*/
+ that is, 32K for windowBits=15 (default value) plus a few kilobytes
+ for small objects.
+ */
- /* Type declarations */
+/* Type declarations */
#ifndef OF /* function prototypes */
-#define OF(args) args
+#define OF( args ) args
#endif
-typedef unsigned char Byte; /* 8 bits */
-typedef unsigned int uInt; /* 16 bits or more */
-typedef unsigned long uLong; /* 32 bits or more */
+typedef unsigned char Byte; /* 8 bits */
+typedef unsigned int uInt; /* 16 bits or more */
+typedef unsigned long uLong; /* 32 bits or more */
typedef Byte *voidp;
#ifndef SEEK_SET
#define ZLIB_VERSION "1.1.3"
-/*
+/*
The 'zlib' compression library provides in-memory compression and
- decompression functions, including integrity checks of the uncompressed
- data. This version of the library supports only one compression method
- (deflation) but other algorithms will be added later and will have the same
- stream interface.
+ decompression functions, including integrity checks of the uncompressed
+ data. This version of the library supports only one compression method
+ (deflation) but other algorithms will be added later and will have the same
+ stream interface.
Compression can be done in a single step if the buffers are large
- enough (for example if an input file is mmap'ed), or can be done by
- repeated calls of the compression function. In the latter case, the
- application must provide more input and/or consume the output
- (providing more output space) before each call.
+ enough (for example if an input file is mmap'ed), or can be done by
+ repeated calls of the compression function. In the latter case, the
+ application must provide more input and/or consume the output
+ (providing more output space) before each call.
The library also supports reading and writing files in gzip (.gz) format
- with an interface similar to that of stdio.
+ with an interface similar to that of stdio.
The library does not install any signal handler. The decoder checks
- the consistency of the compressed data, so the library should never
- crash even in case of corrupted input.
-*/
+ the consistency of the compressed data, so the library should never
+ crash even in case of corrupted input.
+ */
/*
The application must update next_in and avail_in when avail_in has
the uncompressed data and may be saved for use in the decompressor
(particularly if the decompressor wants to decompress everything in
a single step).
-*/
+ */
- /* constants */
+/* constants */
#define Z_NO_FLUSH 0
#define Z_PARTIAL_FLUSH 1 /* will be removed, use Z_SYNC_FLUSH instead */
#define Z_OK 0
#define Z_STREAM_END 1
#define Z_NEED_DICT 2
-#define Z_ERRNO (-1)
-#define Z_STREAM_ERROR (-2)
-#define Z_DATA_ERROR (-3)
-#define Z_MEM_ERROR (-4)
-#define Z_BUF_ERROR (-5)
-#define Z_VERSION_ERROR (-6)
+#define Z_ERRNO ( -1 )
+#define Z_STREAM_ERROR ( -2 )
+#define Z_DATA_ERROR ( -3 )
+#define Z_MEM_ERROR ( -4 )
+#define Z_BUF_ERROR ( -5 )
+#define Z_VERSION_ERROR ( -6 )
/* Return codes for the compression/decompression functions. Negative
* values are errors, positive values are used for special but normal events.
*/
#define Z_NO_COMPRESSION 0
#define Z_BEST_SPEED 1
#define Z_BEST_COMPRESSION 9
-#define Z_DEFAULT_COMPRESSION (-1)
+#define Z_DEFAULT_COMPRESSION ( -1 )
/* compression levels */
#define Z_FILTERED 1
#define zlib_version zlibVersion()
/* for compatibility with versions < 1.0.2 */
- /* basic functions */
+/* basic functions */
-const char * zlibVersion OF((void));
+const char * zlibVersion OF( (void) );
/* The application can compare zlibVersion and ZLIB_VERSION for consistency.
If the first character differs, the library code actually used is
not compatible with the zlib.h header file used by the application.
This check is automatically made by deflateInit and inflateInit.
*/
-/*
-int deflateInit OF((z_streamp strm, int level));
+/*
+ int deflateInit OF((z_streamp strm, int level));
Initializes the internal stream state for compression. The fields
zalloc, zfree and opaque must be initialized before by the caller.
with the version assumed by the caller (ZLIB_VERSION).
msg is set to null if there is no error message. deflateInit does not
perform any compression: this will be done by deflate().
-*/
+ */
-int deflate OF((z_streamp strm, int flush));
+int deflate OF( ( z_streamp strm, int flush ) );
/*
deflate compresses as much data as possible, and stops when the input
- buffer becomes empty or the output buffer becomes full. It may introduce some
- output latency (reading input without producing any output) except when
- forced to flush.
+ buffer becomes empty or the output buffer becomes full. It may introduce some
+ output latency (reading input without producing any output) except when
+ forced to flush.
The detailed semantics are as follows. deflate performs one or both of the
- following actions:
+ following actions:
- - Compress more input starting at next_in and update next_in and avail_in
+ - Compress more input starting at next_in and update next_in and avail_in
accordingly. If not all input can be processed (because there is not
enough room in the output buffer), next_in and avail_in are updated and
processing will resume at this point for the next call of deflate().
- - Provide more output starting at next_out and update next_out and avail_out
+ - Provide more output starting at next_out and update next_out and avail_out
accordingly. This action is forced if the parameter flush is non zero.
Forcing flush frequently degrades the compression ratio, so this parameter
should be set only when necessary (in interactive applications).
Some output may be provided even if flush is not set.
- Before the call of deflate(), the application should ensure that at least
- one of the actions is possible, by providing more input and/or consuming
- more output, and updating avail_in or avail_out accordingly; avail_out
- should never be zero before the call. The application can consume the
- compressed output when it wants, for example when the output buffer is full
- (avail_out == 0), or after each call of deflate(). If deflate returns Z_OK
- and with zero avail_out, it must be called again after making room in the
- output buffer because there might be more output pending.
+ Before the call of deflate(), the application should ensure that at least
+ one of the actions is possible, by providing more input and/or consuming
+ more output, and updating avail_in or avail_out accordingly; avail_out
+ should never be zero before the call. The application can consume the
+ compressed output when it wants, for example when the output buffer is full
+ (avail_out == 0), or after each call of deflate(). If deflate returns Z_OK
+ and with zero avail_out, it must be called again after making room in the
+ output buffer because there might be more output pending.
If the parameter flush is set to Z_SYNC_FLUSH, all pending output is
- flushed to the output buffer and the output is aligned on a byte boundary, so
- that the decompressor can get all input data available so far. (In particular
- avail_in is zero after the call if enough output space has been provided
- before the call.) Flushing may degrade compression for some compression
- algorithms and so it should be used only when necessary.
+ flushed to the output buffer and the output is aligned on a byte boundary, so
+ that the decompressor can get all input data available so far. (In particular
+ avail_in is zero after the call if enough output space has been provided
+ before the call.) Flushing may degrade compression for some compression
+ algorithms and so it should be used only when necessary.
If flush is set to Z_FULL_FLUSH, all output is flushed as with
- Z_SYNC_FLUSH, and the compression state is reset so that decompression can
- restart from this point if previous compressed data has been damaged or if
- random access is desired. Using Z_FULL_FLUSH too often can seriously degrade
- the compression.
+ Z_SYNC_FLUSH, and the compression state is reset so that decompression can
+ restart from this point if previous compressed data has been damaged or if
+ random access is desired. Using Z_FULL_FLUSH too often can seriously degrade
+ the compression.
If deflate returns with avail_out == 0, this function must be called again
- with the same value of the flush parameter and more output space (updated
- avail_out), until the flush is complete (deflate returns with non-zero
- avail_out).
+ with the same value of the flush parameter and more output space (updated
+ avail_out), until the flush is complete (deflate returns with non-zero
+ avail_out).
If the parameter flush is set to Z_FINISH, pending input is processed,
- pending output is flushed and deflate returns with Z_STREAM_END if there
- was enough output space; if deflate returns with Z_OK, this function must be
- called again with Z_FINISH and more output space (updated avail_out) but no
- more input data, until it returns with Z_STREAM_END or an error. After
- deflate has returned Z_STREAM_END, the only possible operations on the
- stream are deflateReset or deflateEnd.
-
+ pending output is flushed and deflate returns with Z_STREAM_END if there
+ was enough output space; if deflate returns with Z_OK, this function must be
+ called again with Z_FINISH and more output space (updated avail_out) but no
+ more input data, until it returns with Z_STREAM_END or an error. After
+ deflate has returned Z_STREAM_END, the only possible operations on the
+ stream are deflateReset or deflateEnd.
+
Z_FINISH can be used immediately after deflateInit if all the compression
- is to be done in a single step. In this case, avail_out must be at least
- 0.1% larger than avail_in plus 12 bytes. If deflate does not return
- Z_STREAM_END, then it must be called again as described above.
+ is to be done in a single step. In this case, avail_out must be at least
+ 0.1% larger than avail_in plus 12 bytes. If deflate does not return
+ Z_STREAM_END, then it must be called again as described above.
deflate() sets strm->adler to the adler32 checksum of all input read
- so (that is, total_in bytes).
+ so (that is, total_in bytes).
deflate() may update data_type if it can make a good guess about
- the input data type (Z_ASCII or Z_BINARY). In doubt, the data is considered
- binary. This field is only for information purposes and does not affect
- the compression algorithm in any manner.
+ the input data type (Z_ASCII or Z_BINARY). In doubt, the data is considered
+ binary. This field is only for information purposes and does not affect
+ the compression algorithm in any manner.
deflate() returns Z_OK if some progress has been made (more input
- processed or more output produced), Z_STREAM_END if all input has been
- consumed and all output has been produced (only when flush is set to
- Z_FINISH), Z_STREAM_ERROR if the stream state was inconsistent (for example
- if next_in or next_out was NULL), Z_BUF_ERROR if no progress is possible
- (for example avail_in or avail_out was zero).
-*/
+ processed or more output produced), Z_STREAM_END if all input has been
+ consumed and all output has been produced (only when flush is set to
+ Z_FINISH), Z_STREAM_ERROR if the stream state was inconsistent (for example
+ if next_in or next_out was NULL), Z_BUF_ERROR if no progress is possible
+ (for example avail_in or avail_out was zero).
+ */
-int deflateEnd OF((z_streamp strm));
+int deflateEnd OF( (z_streamp strm) );
/*
All dynamically allocated data structures for this stream are freed.
This function discards any unprocessed input and does not flush any
prematurely (some input or output was discarded). In the error case,
msg may be set but then points to a static string (which must not be
deallocated).
-*/
+ */
-/*
-int inflateInit OF((z_streamp strm));
+/*
+ int inflateInit OF((z_streamp strm));
Initializes the internal stream state for decompression. The fields
next_in, avail_in, zalloc, zfree and opaque must be initialized before by
message. inflateInit does not perform any decompression apart from reading
the zlib header if present: this will be done by inflate(). (So next_in and
avail_in may be modified, but next_out and avail_out are unchanged.)
-*/
+ */
-int inflate OF((z_streamp strm, int flush));
+int inflate OF( ( z_streamp strm, int flush ) );
/*
inflate decompresses as much data as possible, and stops when the input
- buffer becomes empty or the output buffer becomes full. It may some
- introduce some output latency (reading input without producing any output)
- except when forced to flush.
+ buffer becomes empty or the output buffer becomes full. It may some
+ introduce some output latency (reading input without producing any output)
+ except when forced to flush.
- The detailed semantics are as follows. inflate performs one or both of the
- following actions:
+ The detailed semantics are as follows. inflate performs one or both of the
+ following actions:
- - Decompress more input starting at next_in and update next_in and avail_in
+ - Decompress more input starting at next_in and update next_in and avail_in
accordingly. If not all input can be processed (because there is not
enough room in the output buffer), next_in is updated and processing
will resume at this point for the next call of inflate().
- - Provide more output starting at next_out and update next_out and avail_out
+ - Provide more output starting at next_out and update next_out and avail_out
accordingly. inflate() provides as much output as possible, until there
is no more input data or no more space in the output buffer (see below
about the flush parameter).
- Before the call of inflate(), the application should ensure that at least
- one of the actions is possible, by providing more input and/or consuming
- more output, and updating the next_* and avail_* values accordingly.
- The application can consume the uncompressed output when it wants, for
- example when the output buffer is full (avail_out == 0), or after each
- call of inflate(). If inflate returns Z_OK and with zero avail_out, it
- must be called again after making room in the output buffer because there
- might be more output pending.
+ Before the call of inflate(), the application should ensure that at least
+ one of the actions is possible, by providing more input and/or consuming
+ more output, and updating the next_* and avail_* values accordingly.
+ The application can consume the uncompressed output when it wants, for
+ example when the output buffer is full (avail_out == 0), or after each
+ call of inflate(). If inflate returns Z_OK and with zero avail_out, it
+ must be called again after making room in the output buffer because there
+ might be more output pending.
If the parameter flush is set to Z_SYNC_FLUSH, inflate flushes as much
- output as possible to the output buffer. The flushing behavior of inflate is
- not specified for values of the flush parameter other than Z_SYNC_FLUSH
- and Z_FINISH, but the current implementation actually flushes as much output
- as possible anyway.
+ output as possible to the output buffer. The flushing behavior of inflate is
+ not specified for values of the flush parameter other than Z_SYNC_FLUSH
+ and Z_FINISH, but the current implementation actually flushes as much output
+ as possible anyway.
inflate() should normally be called until it returns Z_STREAM_END or an
- error. However if all decompression is to be performed in a single step
- (a single call of inflate), the parameter flush should be set to
- Z_FINISH. In this case all pending input is processed and all pending
- output is flushed; avail_out must be large enough to hold all the
- uncompressed data. (The size of the uncompressed data may have been saved
- by the compressor for this purpose.) The next operation on this stream must
- be inflateEnd to deallocate the decompression state. The use of Z_FINISH
- is never required, but can be used to inform inflate that a faster routine
- may be used for the single inflate() call.
+ error. However if all decompression is to be performed in a single step
+ (a single call of inflate), the parameter flush should be set to
+ Z_FINISH. In this case all pending input is processed and all pending
+ output is flushed; avail_out must be large enough to hold all the
+ uncompressed data. (The size of the uncompressed data may have been saved
+ by the compressor for this purpose.) The next operation on this stream must
+ be inflateEnd to deallocate the decompression state. The use of Z_FINISH
+ is never required, but can be used to inform inflate that a faster routine
+ may be used for the single inflate() call.
If a preset dictionary is needed at this point (see inflateSetDictionary
- below), inflate sets strm-adler to the adler32 checksum of the
- dictionary chosen by the compressor and returns Z_NEED_DICT; otherwise
- it sets strm->adler to the adler32 checksum of all output produced
- so (that is, total_out bytes) and returns Z_OK, Z_STREAM_END or
- an error code as described below. At the end of the stream, inflate()
- checks that its computed adler32 checksum is equal to that saved by the
- compressor and returns Z_STREAM_END only if the checksum is correct.
+ below), inflate sets strm-adler to the adler32 checksum of the
+ dictionary chosen by the compressor and returns Z_NEED_DICT; otherwise
+ it sets strm->adler to the adler32 checksum of all output produced
+ so (that is, total_out bytes) and returns Z_OK, Z_STREAM_END or
+ an error code as described below. At the end of the stream, inflate()
+ checks that its computed adler32 checksum is equal to that saved by the
+ compressor and returns Z_STREAM_END only if the checksum is correct.
inflate() returns Z_OK if some progress has been made (more input processed
- or more output produced), Z_STREAM_END if the end of the compressed data has
- been reached and all uncompressed output has been produced, Z_NEED_DICT if a
- preset dictionary is needed at this point, Z_DATA_ERROR if the input data was
- corrupted (input stream not conforming to the zlib format or incorrect
- adler32 checksum), Z_STREAM_ERROR if the stream structure was inconsistent
- (for example if next_in or next_out was NULL), Z_MEM_ERROR if there was not
- enough memory, Z_BUF_ERROR if no progress is possible or if there was not
- enough room in the output buffer when Z_FINISH is used. In the Z_DATA_ERROR
- case, the application may then call inflateSync to look for a good
- compression block.
-*/
-
-
-int inflateEnd OF((z_streamp strm));
+ or more output produced), Z_STREAM_END if the end of the compressed data has
+ been reached and all uncompressed output has been produced, Z_NEED_DICT if a
+ preset dictionary is needed at this point, Z_DATA_ERROR if the input data was
+ corrupted (input stream not conforming to the zlib format or incorrect
+ adler32 checksum), Z_STREAM_ERROR if the stream structure was inconsistent
+ (for example if next_in or next_out was NULL), Z_MEM_ERROR if there was not
+ enough memory, Z_BUF_ERROR if no progress is possible or if there was not
+ enough room in the output buffer when Z_FINISH is used. In the Z_DATA_ERROR
+ case, the application may then call inflateSync to look for a good
+ compression block.
+ */
+
+
+int inflateEnd OF( (z_streamp strm) );
/*
All dynamically allocated data structures for this stream are freed.
This function discards any unprocessed input and does not flush any
inflateEnd returns Z_OK if success, Z_STREAM_ERROR if the stream state
was inconsistent. In the error case, msg may be set but then points to a
static string (which must not be deallocated).
-*/
+ */
- /* Advanced functions */
+/* Advanced functions */
/*
The following functions are needed only in some special applications.
-*/
+ */
-/*
-int deflateInit2 OF((z_streamp strm,
+/*
+ int deflateInit2 OF((z_streamp strm,
int level,
int method,
int windowBits,
memory, Z_STREAM_ERROR if a parameter is invalid (such as an invalid
method). msg is set to null if there is no error message. deflateInit2 does
not perform any compression: this will be done by deflate().
-*/
-
-int deflateSetDictionary OF((z_streamp strm,
- const Byte *dictionary,
- uInt dictLength));
+ */
+
+int deflateSetDictionary OF( ( z_streamp strm,
+ const Byte * dictionary,
+ uInt dictLength ) );
/*
Initializes the compression dictionary from the given byte sequence
without producing any compressed output. This function must be called
inconsistent (for example if deflate has already been called for this stream
or if the compression method is bsort). deflateSetDictionary does not
perform any compression: this will be done by deflate().
-*/
+ */
-int deflateCopy OF((z_streamp dest,
- z_streamp source));
+int deflateCopy OF( ( z_streamp dest,
+ z_streamp source ) );
/*
Sets the destination stream as a complete copy of the source stream.
enough memory, Z_STREAM_ERROR if the source stream state was inconsistent
(such as zalloc being NULL). msg is left unchanged in both source and
destination.
-*/
+ */
-int deflateReset OF((z_streamp strm));
+int deflateReset OF( (z_streamp strm) );
/*
This function is equivalent to deflateEnd followed by deflateInit,
but does not free and reallocate all the internal compression state.
deflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source
stream state was inconsistent (such as zalloc or state being NULL).
-*/
+ */
-int deflateParams OF((z_streamp strm,
- int level,
- int strategy));
+int deflateParams OF( ( z_streamp strm,
+ int level,
+ int strategy ) );
/*
Dynamically update the compression level and compression strategy. The
interpretation of level and strategy is as in deflateInit2. This can be
deflateParams returns Z_OK if success, Z_STREAM_ERROR if the source
stream state was inconsistent or if a parameter was invalid, Z_BUF_ERROR
if strm->avail_out was zero.
-*/
+ */
-/*
-int inflateInit2 OF((z_streamp strm,
+/*
+ int inflateInit2 OF((z_streamp strm,
int windowBits));
This is another version of inflateInit with an extra parameter. The
does not perform any decompression apart from reading the zlib header if
present: this will be done by inflate(). (So next_in and avail_in may be
modified, but next_out and avail_out are unchanged.)
-*/
+ */
-int inflateSetDictionary OF((z_streamp strm,
- const Byte *dictionary,
- uInt dictLength));
+int inflateSetDictionary OF( ( z_streamp strm,
+ const Byte * dictionary,
+ uInt dictLength ) );
/*
Initializes the decompression dictionary from the given uncompressed byte
sequence. This function must be called immediately after a call of inflate
expected one (incorrect Adler32 value). inflateSetDictionary does not
perform any decompression: this will be done by subsequent calls of
inflate().
-*/
+ */
-int inflateSync OF((z_streamp strm));
-/*
+int inflateSync OF( (z_streamp strm) );
+/*
Skips invalid compressed data until a full flush point (see above the
- description of deflate with Z_FULL_FLUSH) can be found, or until all
- available input is skipped. No output is provided.
+ description of deflate with Z_FULL_FLUSH) can be found, or until all
+ available input is skipped. No output is provided.
inflateSync returns Z_OK if a full flush point has been found, Z_BUF_ERROR
- if no more input was provided, Z_DATA_ERROR if no flush point has been found,
- or Z_STREAM_ERROR if the stream structure was inconsistent. In the success
- case, the application may save the current current value of total_in which
- indicates where valid compressed data was found. In the error case, the
- application may repeatedly call inflateSync, providing more input each time,
- until success or end of the input data.
-*/
-
-int inflateReset OF((z_streamp strm));
+ if no more input was provided, Z_DATA_ERROR if no flush point has been found,
+ or Z_STREAM_ERROR if the stream structure was inconsistent. In the success
+ case, the application may save the current current value of total_in which
+ indicates where valid compressed data was found. In the error case, the
+ application may repeatedly call inflateSync, providing more input each time,
+ until success or end of the input data.
+ */
+
+int inflateReset OF( (z_streamp strm) );
/*
This function is equivalent to inflateEnd followed by inflateInit,
but does not free and reallocate all the internal decompression state.
inflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source
stream state was inconsistent (such as zalloc or state being NULL).
-*/
+ */
- /* utility functions */
+/* utility functions */
/*
The following utility functions are implemented on top of the
default options are assumed (compression level and memory usage,
standard memory allocation functions). The source code of these
utility functions can easily be modified if you need special options.
-*/
+ */
-int compress OF((Byte *dest, uLong *destLen,
- const Byte *source, uLong sourceLen));
+int compress OF( ( Byte * dest, uLong * destLen,
+ const Byte * source, uLong sourceLen ) );
/*
Compresses the source buffer into the destination buffer. sourceLen is
the byte length of the source buffer. Upon entry, destLen is the total
compress returns Z_OK if success, Z_MEM_ERROR if there was not
enough memory, Z_BUF_ERROR if there was not enough room in the output
buffer.
-*/
+ */
-int compress2 OF((Byte *dest, uLong *destLen,
- const Byte *source, uLong sourceLen,
- int level));
+int compress2 OF( ( Byte * dest, uLong * destLen,
+ const Byte * source, uLong sourceLen,
+ int level ) );
/*
Compresses the source buffer into the destination buffer. The level
parameter has the same meaning as in deflateInit. sourceLen is the byte
compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough
memory, Z_BUF_ERROR if there was not enough room in the output buffer,
Z_STREAM_ERROR if the level parameter is invalid.
-*/
+ */
-int uncompress OF((Byte *dest, uLong *destLen,
- const Byte *source, uLong sourceLen));
+int uncompress OF( ( Byte * dest, uLong * destLen,
+ const Byte * source, uLong sourceLen ) );
/*
Decompresses the source buffer into the destination buffer. sourceLen is
the byte length of the source buffer. Upon entry, destLen is the total
uncompress returns Z_OK if success, Z_MEM_ERROR if there was not
enough memory, Z_BUF_ERROR if there was not enough room in the output
buffer, or Z_DATA_ERROR if the input data was corrupted.
-*/
+ */
typedef voidp gzFile;
-gzFile gzopen OF((const char *path, const char *mode));
+gzFile gzopen OF( ( const char *path, const char *mode ) );
/*
Opens a gzip (.gz) file for reading or writing. The mode parameter
is as in fopen ("rb" or "wb") but can also include a compression level
can be checked to distinguish the two cases (if errno is zero, the
zlib error is Z_MEM_ERROR). */
-gzFile gzdopen OF((int fd, const char *mode));
+gzFile gzdopen OF( ( int fd, const char *mode ) );
/*
gzdopen() associates a gzFile with the file descriptor fd. File
descriptors are obtained from calls like open, dup, creat, pipe or
descriptor fd. If you want to keep fd open, use gzdopen(dup(fd), mode).
gzdopen returns NULL if there was insufficient memory to allocate
the (de)compression state.
-*/
+ */
-int gzsetparams OF((gzFile file, int level, int strategy));
+int gzsetparams OF( ( gzFile file, int level, int strategy ) );
/*
Dynamically update the compression level or strategy. See the description
of deflateInit2 for the meaning of these parameters.
gzsetparams returns Z_OK if success, or Z_STREAM_ERROR if the file was not
opened for writing.
-*/
+ */
-int gzread OF((gzFile file, voidp buf, unsigned len));
+int gzread OF( ( gzFile file, voidp buf, unsigned len ) );
/*
Reads the given number of uncompressed bytes from the compressed file.
If the input file was not in gzip format, gzread copies the given number
gzread returns the number of uncompressed bytes actually read (0 for
end of file, -1 for error). */
-int gzwrite OF((gzFile file,
- const voidp buf, unsigned len));
+int gzwrite OF( ( gzFile file,
+ const voidp buf, unsigned len ) );
/*
Writes the given number of uncompressed bytes into the compressed file.
gzwrite returns the number of uncompressed bytes actually written
(0 in case of error).
-*/
+ */
-int gzprintf OF((gzFile file, const char *format, ...));
+int gzprintf OF( ( gzFile file, const char *format, ... ) );
/*
Converts, formats, and writes the args to the compressed file under
control of the format string, as in fprintf. gzprintf returns the number of
uncompressed bytes actually written (0 in case of error).
-*/
+ */
-int gzputs OF((gzFile file, const char *s));
+int gzputs OF( ( gzFile file, const char *s ) );
/*
Writes the given null-terminated string to the compressed file, excluding
the terminating null character.
gzputs returns the number of characters written, or -1 in case of error.
-*/
+ */
-char * gzgets OF((gzFile file, char *buf, int len));
+char * gzgets OF( ( gzFile file, char *buf, int len ) );
/*
Reads bytes from the compressed file until len-1 characters are read, or
a newline character is read and transferred to buf, or an end-of-file
condition is encountered. The string is then terminated with a null
character.
gzgets returns buf, or Z_NULL in case of error.
-*/
+ */
-int gzputc OF((gzFile file, int c));
+int gzputc OF( ( gzFile file, int c ) );
/*
Writes c, converted to an unsigned char, into the compressed file.
gzputc returns the value that was written, or -1 in case of error.
-*/
+ */
-int gzgetc OF((gzFile file));
+int gzgetc OF( (gzFile file) );
/*
Reads one byte from the compressed file. gzgetc returns this byte
or -1 in case of end of file or error.
-*/
+ */
-int gzflush OF((gzFile file, int flush));
+int gzflush OF( ( gzFile file, int flush ) );
/*
Flushes all pending output into the compressed file. The parameter
flush is as in the deflate() function. The return value is the zlib
the flush parameter is Z_FINISH and all output could be flushed.
gzflush should be called only when strictly necessary because it can
degrade compression.
-*/
+ */
-long gzseek OF((gzFile file,
- long offset, int whence));
-/*
+long gzseek OF( ( gzFile file,
+ long offset, int whence ) );
+/*
Sets the starting position for the next gzread or gzwrite on the
given compressed file. The offset represents a number of bytes in the
uncompressed data stream. The whence parameter is defined as in lseek(2);
the beginning of the uncompressed stream, or -1 in case of error, in
particular if the file is opened for writing and the new starting position
would be before the current position.
-*/
+ */
-int gzrewind OF((gzFile file));
+int gzrewind OF( (gzFile file) );
/*
Rewinds the given file. This function is supported only for reading.
gzrewind(file) is equivalent to (int)gzseek(file, 0L, SEEK_SET)
-*/
+ */
-long gztell OF((gzFile file));
+long gztell OF( (gzFile file) );
/*
Returns the starting position for the next gzread or gzwrite on the
given compressed file. This position represents a number of bytes in the
uncompressed data stream.
gztell(file) is equivalent to gzseek(file, 0L, SEEK_CUR)
-*/
+ */
-int gzeof OF((gzFile file));
+int gzeof OF( (gzFile file) );
/*
Returns 1 when EOF has previously been detected reading the given
input stream, otherwise zero.
-*/
+ */
-int gzclose OF((gzFile file));
+int gzclose OF( (gzFile file) );
/*
Flushes all pending output if necessary, closes the compressed file
and deallocates all the (de)compression state. The return value is the zlib
error number (see function gzerror below).
-*/
+ */
-const char * gzerror OF((gzFile file, int *errnum));
+const char * gzerror OF( ( gzFile file, int *errnum ) );
/*
Returns the error message for the last error which occurred on the
given compressed file. errnum is set to zlib error number. If an
error occurred in the file system and not in the compression library,
errnum is set to Z_ERRNO and the application may consult errno
to get the exact error code.
-*/
+ */
- /* checksum functions */
+/* checksum functions */
/*
These functions are not related to compression but are exported
anyway because they might be useful in applications using the
compression library.
-*/
+ */
-uLong adler32 OF((uLong adler, const Byte *buf, uInt len));
+uLong adler32 OF( ( uLong adler, const Byte * buf, uInt len ) );
/*
Update a running Adler-32 checksum with the bytes buf[0..len-1] and
adler = adler32(adler, buffer, length);
}
if (adler != original_adler) error();
-*/
+ */
-uLong crc32 OF((uLong crc, const Byte *buf, uInt len));
+uLong crc32 OF( ( uLong crc, const Byte * buf, uInt len ) );
/*
Update a running crc with the bytes buf[0..len-1] and return the updated
crc. If buf is NULL, this function returns the required initial value
crc = crc32(crc, buffer, length);
}
if (crc != original_crc) error();
-*/
+ */
// private stuff to not include cmdlib.h
/*
-============================================================================
+ ============================================================================
- BYTE ORDER FUNCTIONS
+ BYTE ORDER FUNCTIONS
-============================================================================
-*/
+ ============================================================================
+ */
#ifdef _SGI_SOURCE
-#define __BIG_ENDIAN__
+#define __BIG_ENDIAN__
#endif
#ifdef __BIG_ENDIAN__
-short __LittleShort (short l)
-{
- byte b1,b2;
+short __LittleShort( short l ){
+ byte b1,b2;
- b1 = l&255;
- b2 = (l>>8)&255;
+ b1 = l & 255;
+ b2 = ( l >> 8 ) & 255;
- return (b1<<8) + b2;
+ return ( b1 << 8 ) + b2;
}
-short __BigShort (short l)
-{
+short __BigShort( short l ){
return l;
}
-int __LittleLong (int l)
-{
- byte b1,b2,b3,b4;
+int __LittleLong( int l ){
+ byte b1,b2,b3,b4;
- b1 = l&255;
- b2 = (l>>8)&255;
- b3 = (l>>16)&255;
- b4 = (l>>24)&255;
+ b1 = l & 255;
+ b2 = ( l >> 8 ) & 255;
+ b3 = ( l >> 16 ) & 255;
+ b4 = ( l >> 24 ) & 255;
- return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4;
+ return ( (int)b1 << 24 ) + ( (int)b2 << 16 ) + ( (int)b3 << 8 ) + b4;
}
-int __BigLong (int l)
-{
+int __BigLong( int l ){
return l;
}
-float __LittleFloat (float l)
-{
- union {byte b[4]; float f;} in, out;
-
+float __LittleFloat( float l ){
+ union {byte b[4]; float f; } in, out;
+
in.f = l;
out.b[0] = in.b[3];
out.b[1] = in.b[2];
out.b[2] = in.b[1];
out.b[3] = in.b[0];
-
+
return out.f;
}
-float __BigFloat (float l)
-{
+float __BigFloat( float l ){
return l;
}
#else
-short __BigShort (short l)
-{
- byte b1,b2;
+short __BigShort( short l ){
+ byte b1,b2;
- b1 = l&255;
- b2 = (l>>8)&255;
+ b1 = l & 255;
+ b2 = ( l >> 8 ) & 255;
- return (b1<<8) + b2;
+ return ( b1 << 8 ) + b2;
}
-short __LittleShort (short l)
-{
+short __LittleShort( short l ){
return l;
}
-int __BigLong (int l)
-{
- byte b1,b2,b3,b4;
+int __BigLong( int l ){
+ byte b1,b2,b3,b4;
- b1 = l&255;
- b2 = (l>>8)&255;
- b3 = (l>>16)&255;
- b4 = (l>>24)&255;
+ b1 = l & 255;
+ b2 = ( l >> 8 ) & 255;
+ b3 = ( l >> 16 ) & 255;
+ b4 = ( l >> 24 ) & 255;
- return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4;
+ return ( (int)b1 << 24 ) + ( (int)b2 << 16 ) + ( (int)b3 << 8 ) + b4;
}
-int __LittleLong (int l)
-{
+int __LittleLong( int l ){
return l;
}
-float __BigFloat (float l)
-{
- union {byte b[4]; float f;} in, out;
-
+float __BigFloat( float l ){
+ union {byte b[4]; float f; } in, out;
+
in.f = l;
out.b[0] = in.b[3];
out.b[1] = in.b[2];
out.b[2] = in.b[1];
out.b[3] = in.b[0];
-
+
return out.f;
}
-float __LittleFloat (float l)
-{
+float __LittleFloat( float l ){
return l;
}
- /* various hacks, don't look :) */
+/* various hacks, don't look :) */
/* deflateInit and inflateInit are macros to allow checking the zlib version
* and the compiler's view of z_stream:
*/
-int deflateInit_ OF((z_streamp strm, int level,
- const char *version, int stream_size));
-int inflateInit_ OF((z_streamp strm,
- const char *version, int stream_size));
-int deflateInit2_ OF((z_streamp strm, int level, int method,
- int windowBits, int memLevel,
- int strategy, const char *version,
- int stream_size));
-int inflateInit2_ OF((z_streamp strm, int windowBits,
- const char *version, int stream_size));
-#define deflateInit(strm, level) \
- deflateInit_((strm), (level), ZLIB_VERSION, sizeof(z_stream))
-#define inflateInit(strm) \
- inflateInit_((strm), ZLIB_VERSION, sizeof(z_stream))
-#define deflateInit2(strm, level, method, windowBits, memLevel, strategy) \
- deflateInit2_((strm),(level),(method),(windowBits),(memLevel),\
- (strategy), ZLIB_VERSION, sizeof(z_stream))
-#define inflateInit2(strm, windowBits) \
- inflateInit2_((strm), (windowBits), ZLIB_VERSION, sizeof(z_stream))
-
-
-const char * zError OF((int err));
-int inflateSyncPoint OF((z_streamp z));
-const uLong * get_crc_table OF((void));
-
-typedef unsigned char uch;
+int deflateInit_ OF( ( z_streamp strm, int level,
+ const char *version, int stream_size ) );
+int inflateInit_ OF( ( z_streamp strm,
+ const char *version, int stream_size ) );
+int deflateInit2_ OF( ( z_streamp strm, int level, int method,
+ int windowBits, int memLevel,
+ int strategy, const char *version,
+ int stream_size ) );
+int inflateInit2_ OF( ( z_streamp strm, int windowBits,
+ const char *version, int stream_size ) );
+#define deflateInit( strm, level ) \
+ deflateInit_( ( strm ), ( level ), ZLIB_VERSION, sizeof( z_stream ) )
+#define inflateInit( strm ) \
+ inflateInit_( ( strm ), ZLIB_VERSION, sizeof( z_stream ) )
+#define deflateInit2( strm, level, method, windowBits, memLevel, strategy ) \
+ deflateInit2_( ( strm ),( level ),( method ),( windowBits ),( memLevel ), \
+ ( strategy ), ZLIB_VERSION, sizeof( z_stream ) )
+#define inflateInit2( strm, windowBits ) \
+ inflateInit2_( ( strm ), ( windowBits ), ZLIB_VERSION, sizeof( z_stream ) )
+
+
+const char * zError OF( (int err) );
+int inflateSyncPoint OF( (z_streamp z) );
+const uLong * get_crc_table OF( (void) );
+
+typedef unsigned char uch;
typedef unsigned short ush;
-typedef unsigned long ulg;
+typedef unsigned long ulg;
extern const char *z_errmsg[10]; /* indexed by 2-zlib_error */
/* (size given to avoid silly warnings with Visual C++) */
-#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
+#define ERR_MSG( err ) z_errmsg[Z_NEED_DICT - ( err )]
-#define ERR_RETURN(strm,err) \
- return (strm->msg = (char*)ERR_MSG(err), (err))
+#define ERR_RETURN( strm,err ) \
+ return ( strm->msg = (char*)ERR_MSG( err ), ( err ) )
/* To be used only when the state is known to be valid */
- /* common constants */
+/* common constants */
#ifndef DEF_WBITS
# define DEF_WBITS MAX_WBITS
#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
- /* target dependencies */
+/* target dependencies */
- /* Common defaults */
+/* Common defaults */
#ifndef OS_CODE
# define OS_CODE 0x03 /* assume Unix */
#endif
#ifndef F_OPEN
-# define F_OPEN(name, mode) fopen((name), (mode))
+# define F_OPEN( name, mode ) fopen( ( name ), ( mode ) )
#endif
- /* functions */
+/* functions */
#ifdef HAVE_STRERROR
- extern char *strerror OF((int));
-# define zstrerror(errnum) strerror(errnum)
+extern char *strerror OF( (int) );
+# define zstrerror( errnum ) strerror( errnum )
#else
-# define zstrerror(errnum) ""
+# define zstrerror( errnum ) ""
#endif
#define zmemcpy memcpy
#define zmemcmp memcmp
-#define zmemzero(dest, len) memset(dest, 0, len)
+#define zmemzero( dest, len ) memset( dest, 0, len )
/* Diagnostic functions */
#ifdef _ZIP_DEBUG_
- int z_verbose = 0;
-# define Assert(cond,msg) assert(cond);
- //{if(!(cond)) Sys_Error(msg);}
-# define Trace(x) {if (z_verbose>=0) Sys_Error x ;}
-# define Tracev(x) {if (z_verbose>0) Sys_Error x ;}
-# define Tracevv(x) {if (z_verbose>1) Sys_Error x ;}
-# define Tracec(c,x) {if (z_verbose>0 && (c)) Sys_Error x ;}
-# define Tracecv(c,x) {if (z_verbose>1 && (c)) Sys_Error x ;}
+int z_verbose = 0;
+# define Assert( cond,msg ) assert( cond );
+//{if(!(cond)) Sys_Error(msg);}
+# define Trace( x ) {if ( z_verbose >= 0 ) {Sys_Error x ; }}
+# define Tracev( x ) {if ( z_verbose > 0 ) {Sys_Error x ; }}
+# define Tracevv( x ) {if ( z_verbose > 1 ) {Sys_Error x ; }}
+# define Tracec( c,x ) {if ( z_verbose > 0 && ( c ) ) {Sys_Error x ; }}
+# define Tracecv( c,x ) {if ( z_verbose > 1 && ( c ) ) {Sys_Error x ; }}
#else
-# define Assert(cond,msg)
-# define Trace(x)
-# define Tracev(x)
-# define Tracevv(x)
-# define Tracec(c,x)
-# define Tracecv(c,x)
+# define Assert( cond,msg )
+# define Trace( x )
+# define Tracev( x )
+# define Tracevv( x )
+# define Tracec( c,x )
+# define Tracecv( c,x )
#endif
-typedef uLong (*check_func) OF((uLong check, const Byte *buf, uInt len));
-voidp zcalloc OF((voidp opaque, unsigned items, unsigned size));
-void zcfree OF((voidp opaque, voidp ptr));
+typedef uLong ( *check_func ) OF ( ( uLong check, const Byte * buf, uInt len ) );
+voidp zcalloc OF( ( voidp opaque, unsigned items, unsigned size ) );
+void zcfree OF( ( voidp opaque, voidp ptr ) );
-#define ZALLOC(strm, items, size) \
- (*((strm)->zalloc))((strm)->opaque, (items), (size))
-#define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidp)(addr))
-#define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
+#define ZALLOC( strm, items, size ) \
+ ( *( ( strm )->zalloc ) )( ( strm )->opaque, ( items ), ( size ) )
+#define ZFREE( strm, addr ) ( *( ( strm )->zfree ) )( ( strm )->opaque, (voidp)( addr ) )
+#define TRY_FREE( s, p ) {if ( p ) {ZFREE( s, p ); }}
-#if !defined(unix) && !defined(CASESENSITIVITYDEFAULT_YES) && \
- !defined(CASESENSITIVITYDEFAULT_NO)
+#if !defined( unix ) && !defined( CASESENSITIVITYDEFAULT_YES ) && \
+ !defined( CASESENSITIVITYDEFAULT_NO )
#define CASESENSITIVITYDEFAULT_NO
#endif
#ifndef UNZ_BUFSIZE
-#define UNZ_BUFSIZE (65536)
+#define UNZ_BUFSIZE ( 65536 )
#endif
#ifndef UNZ_MAXFILENAMEINZIP
-#define UNZ_MAXFILENAMEINZIP (256)
+#define UNZ_MAXFILENAMEINZIP ( 256 )
#endif
#ifndef ALLOC
-# define ALLOC(size) (malloc(size))
+# define ALLOC( size ) ( malloc( size ) )
#endif
#ifndef TRYFREE
-# define TRYFREE(p) {if (p) free(p);}
+# define TRYFREE( p ) {if ( p ) {free( p ); }}
#endif
-#define SIZECENTRALDIRITEM (0x2e)
-#define SIZEZIPLOCALHEADER (0x1e)
+#define SIZECENTRALDIRITEM ( 0x2e )
+#define SIZEZIPLOCALHEADER ( 0x1e )
Read a byte from a gz_stream; update next_in and avail_in. Return EOF
for end of file.
IN assertion: the stream s has been sucessfully opened for reading.
-*/
+ */
/*
-static int unzlocal_getByte(FILE *fin,int *pi)
-{
+ static int unzlocal_getByte(FILE *fin,int *pi)
+ {
unsigned char c;
- int err = fread(&c, 1, 1, fin);
+ int err = fread(&c, 1, 1, fin);
if (err==1)
{
- *pi = (int)c;
+ *pi = (int)c;
return UNZ_OK;
}
else
{
- if (ferror(fin))
+ if (ferror(fin))
return UNZ_ERRNO;
else
return UNZ_EOF;
}
-}
-*/
+ }
+ */
/* ===========================================================================
- Reads a long in LSB order from the given gz_stream. Sets
-*/
-static int unzlocal_getShort (FILE* fin, uLong *pX)
-{
- short v;
+ Reads a long in LSB order from the given gz_stream. Sets
+ */
+static int unzlocal_getShort( FILE* fin, uLong *pX ){
+ short v;
- fread( &v, sizeof(v), 1, fin );
+ fread( &v, sizeof( v ), 1, fin );
- *pX = __LittleShort( v);
+ *pX = __LittleShort( v );
return UNZ_OK;
/*
err = unzlocal_getByte(fin,&i);
x = (uLong)i;
-
+
if (err==UNZ_OK)
err = unzlocal_getByte(fin,&i);
x += ((uLong)i)<<8;
-
+
if (err==UNZ_OK)
- *pX = x;
+ *pX = x;
else
- *pX = 0;
+ *pX = 0;
return err;
-*/
+ */
}
-static int unzlocal_getLong (FILE *fin, uLong *pX)
-{
- int v;
+static int unzlocal_getLong( FILE *fin, uLong *pX ){
+ int v;
- fread( &v, sizeof(v), 1, fin );
+ fread( &v, sizeof( v ), 1, fin );
- *pX = __LittleLong( v);
+ *pX = __LittleLong( v );
return UNZ_OK;
/*
err = unzlocal_getByte(fin,&i);
x = (uLong)i;
-
+
if (err==UNZ_OK)
err = unzlocal_getByte(fin,&i);
x += ((uLong)i)<<8;
if (err==UNZ_OK)
err = unzlocal_getByte(fin,&i);
x += ((uLong)i)<<24;
-
+
if (err==UNZ_OK)
- *pX = x;
+ *pX = x;
else
- *pX = 0;
+ *pX = 0;
return err;
-*/
+ */
}
/* My own strcmpi / strcasecmp */
-static int strcmpcasenosensitive_internal (const char* fileName1,const char* fileName2)
-{
- for (;;)
+static int strcmpcasenosensitive_internal( const char* fileName1,const char* fileName2 ){
+ for (;; )
{
- char c1=*(fileName1++);
- char c2=*(fileName2++);
- if ((c1>='a') && (c1<='z'))
+ char c1 = *( fileName1++ );
+ char c2 = *( fileName2++ );
+ if ( ( c1 >= 'a' ) && ( c1 <= 'z' ) ) {
c1 -= 0x20;
- if ((c2>='a') && (c2<='z'))
+ }
+ if ( ( c2 >= 'a' ) && ( c2 <= 'z' ) ) {
c2 -= 0x20;
- if (c1=='\0')
- return ((c2=='\0') ? 0 : -1);
- if (c2=='\0')
+ }
+ if ( c1 == '\0' ) {
+ return ( ( c2 == '\0' ) ? 0 : -1 );
+ }
+ if ( c2 == '\0' ) {
return 1;
- if (c1<c2)
+ }
+ if ( c1 < c2 ) {
return -1;
- if (c1>c2)
+ }
+ if ( c1 > c2 ) {
return 1;
+ }
}
}
#define STRCMPCASENOSENTIVEFUNCTION strcmpcasenosensitive_internal
#endif
-/*
+/*
Compare two filename (fileName1,fileName2).
If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi
If iCaseSenisivity = 0, case sensitivity is defaut of your operating system
(like 1 on Unix, 2 on Windows)
-*/
-extern int unzStringFileNameCompare (const char* fileName1,const char* fileName2,int iCaseSensitivity)
-{
- if (iCaseSensitivity==0)
- iCaseSensitivity=CASESENSITIVITYDEFAULTVALUE;
+ */
+extern int unzStringFileNameCompare( const char* fileName1,const char* fileName2,int iCaseSensitivity ){
+ if ( iCaseSensitivity == 0 ) {
+ iCaseSensitivity = CASESENSITIVITYDEFAULTVALUE;
+ }
- if (iCaseSensitivity==1)
- return strcmp(fileName1,fileName2);
+ if ( iCaseSensitivity == 1 ) {
+ return strcmp( fileName1,fileName2 );
+ }
- return STRCMPCASENOSENTIVEFUNCTION(fileName1,fileName2);
-}
+ return STRCMPCASENOSENTIVEFUNCTION( fileName1,fileName2 );
+}
-#define BUFREADCOMMENT (0x400)
+#define BUFREADCOMMENT ( 0x400 )
/*
- Locate the Central directory of a zipfile (at the end, just before
+ Locate the Central directory of a zipfile (at the end, just before
the global comment)
-*/
-static uLong unzlocal_SearchCentralDir(FILE *fin)
-{
+ */
+static uLong unzlocal_SearchCentralDir( FILE *fin ){
unsigned char* buf;
uLong uSizeFile;
uLong uBackRead;
- uLong uMaxBack=0xffff; /* maximum size of global comment */
- uLong uPosFound=0;
-
- if (fseek(fin,0,SEEK_END) != 0)
+ uLong uMaxBack = 0xffff; /* maximum size of global comment */
+ uLong uPosFound = 0;
+
+ if ( fseek( fin,0,SEEK_END ) != 0 ) {
return 0;
+ }
uSizeFile = ftell( fin );
-
- if (uMaxBack>uSizeFile)
+
+ if ( uMaxBack > uSizeFile ) {
uMaxBack = uSizeFile;
+ }
- buf = (unsigned char*)malloc(BUFREADCOMMENT+4);
- if (buf==NULL)
+ buf = (unsigned char*)malloc( BUFREADCOMMENT + 4 );
+ if ( buf == NULL ) {
return 0;
+ }
uBackRead = 4;
- while (uBackRead<uMaxBack)
+ while ( uBackRead < uMaxBack )
{
uLong uReadSize,uReadPos ;
int i;
- if (uBackRead+BUFREADCOMMENT>uMaxBack)
+ if ( uBackRead + BUFREADCOMMENT > uMaxBack ) {
uBackRead = uMaxBack;
- else
- uBackRead+=BUFREADCOMMENT;
- uReadPos = uSizeFile-uBackRead ;
-
- uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ?
- (BUFREADCOMMENT+4) : (uSizeFile-uReadPos);
- if (fseek(fin,uReadPos,SEEK_SET)!=0)
+ }
+ else{
+ uBackRead += BUFREADCOMMENT;
+ }
+ uReadPos = uSizeFile - uBackRead ;
+
+ uReadSize = ( ( BUFREADCOMMENT + 4 ) < ( uSizeFile - uReadPos ) ) ?
+ ( BUFREADCOMMENT + 4 ) : ( uSizeFile - uReadPos );
+ if ( fseek( fin,uReadPos,SEEK_SET ) != 0 ) {
break;
+ }
- if (fread(buf,(uInt)uReadSize,1,fin)!=1)
+ if ( fread( buf,(uInt)uReadSize,1,fin ) != 1 ) {
break;
+ }
- for (i=(int)uReadSize-3; (i--)>0;)
- if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) &&
- ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06))
- {
- uPosFound = uReadPos+i;
+ for ( i = (int)uReadSize - 3; ( i-- ) > 0; )
+ if ( ( ( *( buf + i ) ) == 0x50 ) && ( ( *( buf + i + 1 ) ) == 0x4b ) &&
+ ( ( *( buf + i + 2 ) ) == 0x05 ) && ( ( *( buf + i + 3 ) ) == 0x06 ) ) {
+ uPosFound = uReadPos + i;
break;
}
- if (uPosFound!=0)
+ if ( uPosFound != 0 ) {
break;
+ }
}
- free(buf);
+ free( buf );
return uPosFound;
}
-extern unzFile unzReOpen (const char* path, unzFile file)
-{
+extern unzFile unzReOpen( const char* path, unzFile file ){
unz_s *s;
FILE * fin;
- fin=fopen(path,"rb");
- if (fin==NULL)
+ fin = fopen( path,"rb" );
+ if ( fin == NULL ) {
return NULL;
+ }
- s=(unz_s*)malloc(sizeof(unz_s));
- memcpy(s, (unz_s*)file, sizeof(unz_s));
+ s = (unz_s*)malloc( sizeof( unz_s ) );
+ memcpy( s, (unz_s*)file, sizeof( unz_s ) );
s->file = fin;
- return (unzFile)s;
+ return (unzFile)s;
}
/*
- Open a Zip file. path contain the full pathname (by example,
+ Open a Zip file. path contain the full pathname (by example,
on a Windows NT computer "c:\\test\\zlib109.zip" or on an Unix computer
- "zlib/zlib109.zip".
- If the zipfile cannot be opened (file don't exist or in not valid), the
- return value is NULL.
+ "zlib/zlib109.zip".
+ If the zipfile cannot be opened (file don't exist or in not valid), the
+ return value is NULL.
Else, the return value is a unzFile Handle, usable with other function
- of this unzip package.
-*/
-extern unzFile unzOpen (const char* path)
-{
+ of this unzip package.
+ */
+extern unzFile unzOpen( const char* path ){
unz_s us;
unz_s *s;
uLong central_pos,uL;
FILE * fin ;
- uLong number_disk; /* number of the current dist, used for
- spaning ZIP, unsupported, always 0*/
+ uLong number_disk; /* number of the current dist, used for
+ spaning ZIP, unsupported, always 0*/
uLong number_disk_with_CD; /* number the the disk with central dir, used
- for spaning ZIP, unsupported, always 0*/
+ for spaning ZIP, unsupported, always 0*/
uLong number_entry_CD; /* total number of entries in
- the central dir
+ the central dir
(same than number_entry on nospan) */
- int err=UNZ_OK;
+ int err = UNZ_OK;
- fin=fopen(path,"rb");
- if (fin==NULL)
+ fin = fopen( path,"rb" );
+ if ( fin == NULL ) {
return NULL;
+ }
- central_pos = unzlocal_SearchCentralDir(fin);
- if (central_pos==0)
- err=UNZ_ERRNO;
+ central_pos = unzlocal_SearchCentralDir( fin );
+ if ( central_pos == 0 ) {
+ err = UNZ_ERRNO;
+ }
- if (fseek(fin,central_pos,SEEK_SET)!=0)
- err=UNZ_ERRNO;
+ if ( fseek( fin,central_pos,SEEK_SET ) != 0 ) {
+ err = UNZ_ERRNO;
+ }
/* the signature, already checked */
- if (unzlocal_getLong(fin,&uL)!=UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getLong( fin,&uL ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
/* number of this disk */
- if (unzlocal_getShort(fin,&number_disk)!=UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getShort( fin,&number_disk ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
/* number of the disk with the start of the central directory */
- if (unzlocal_getShort(fin,&number_disk_with_CD)!=UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getShort( fin,&number_disk_with_CD ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
/* total number of entries in the central dir on this disk */
- if (unzlocal_getShort(fin,&us.gi.number_entry)!=UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getShort( fin,&us.gi.number_entry ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
/* total number of entries in the central dir */
- if (unzlocal_getShort(fin,&number_entry_CD)!=UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getShort( fin,&number_entry_CD ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
- if ((number_entry_CD!=us.gi.number_entry) ||
- (number_disk_with_CD!=0) ||
- (number_disk!=0))
- err=UNZ_BADZIPFILE;
+ if ( ( number_entry_CD != us.gi.number_entry ) ||
+ ( number_disk_with_CD != 0 ) ||
+ ( number_disk != 0 ) ) {
+ err = UNZ_BADZIPFILE;
+ }
/* size of the central directory */
- if (unzlocal_getLong(fin,&us.size_central_dir)!=UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getLong( fin,&us.size_central_dir ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
- /* offset of start of central directory with respect to the
+ /* offset of start of central directory with respect to the
starting disk number */
- if (unzlocal_getLong(fin,&us.offset_central_dir)!=UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getLong( fin,&us.offset_central_dir ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
/* zipfile comment length */
- if (unzlocal_getShort(fin,&us.gi.size_comment)!=UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getShort( fin,&us.gi.size_comment ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
- if ((central_pos<us.offset_central_dir+us.size_central_dir) &&
- (err==UNZ_OK))
- err=UNZ_BADZIPFILE;
+ if ( ( central_pos < us.offset_central_dir + us.size_central_dir ) &&
+ ( err == UNZ_OK ) ) {
+ err = UNZ_BADZIPFILE;
+ }
- if (err!=UNZ_OK)
- {
- fclose(fin);
+ if ( err != UNZ_OK ) {
+ fclose( fin );
return NULL;
}
- us.file=fin;
+ us.file = fin;
us.byte_before_the_zipfile = central_pos -
- (us.offset_central_dir+us.size_central_dir);
+ ( us.offset_central_dir + us.size_central_dir );
us.central_pos = central_pos;
- us.pfile_in_zip_read = NULL;
-
+ us.pfile_in_zip_read = NULL;
+
- s=(unz_s*)malloc(sizeof(unz_s));
- *s=us;
-// unzGoToFirstFile((unzFile)s);
- return (unzFile)s;
+ s = (unz_s*)malloc( sizeof( unz_s ) );
+ *s = us;
+// unzGoToFirstFile((unzFile)s);
+ return (unzFile)s;
}
/*
- Close a ZipFile opened with unzipOpen.
- If there is files inside the .Zip opened with unzipOpenCurrentFile (see later),
+ Close a ZipFile opened with unzipOpen.
+ If there is files inside the .Zip opened with unzipOpenCurrentFile (see later),
these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
- return UNZ_OK if there is no problem. */
-extern int unzClose (unzFile file)
-{
+ return UNZ_OK if there is no problem. */
+extern int unzClose( unzFile file ){
unz_s* s;
- if (file==NULL)
+ if ( file == NULL ) {
return UNZ_PARAMERROR;
- s=(unz_s*)file;
+ }
+ s = (unz_s*)file;
- if (s->pfile_in_zip_read!=NULL)
- unzCloseCurrentFile(file);
+ if ( s->pfile_in_zip_read != NULL ) {
+ unzCloseCurrentFile( file );
+ }
- fclose(s->file);
- free(s);
+ fclose( s->file );
+ free( s );
return UNZ_OK;
}
/*
- Write info about the ZipFile in the *pglobal_info structure.
- No preparation of the structure is needed
- return UNZ_OK if there is no problem. */
-extern int unzGetGlobalInfo (unzFile file,unz_global_info *pglobal_info)
-{
+ Write info about the ZipFile in the *pglobal_info structure.
+ No preparation of the structure is needed
+ return UNZ_OK if there is no problem. */
+extern int unzGetGlobalInfo( unzFile file,unz_global_info *pglobal_info ){
unz_s* s;
- if (file==NULL)
+ if ( file == NULL ) {
return UNZ_PARAMERROR;
- s=(unz_s*)file;
- *pglobal_info=s->gi;
+ }
+ s = (unz_s*)file;
+ *pglobal_info = s->gi;
return UNZ_OK;
}
/*
Translate date/time from Dos format to tm_unz (readable more easilty)
-*/
-static void unzlocal_DosDateToTmuDate (uLong ulDosDate, tm_unz* ptm)
-{
- uLong uDate;
- uDate = (uLong)(ulDosDate>>16);
- ptm->tm_mday = (uInt)(uDate&0x1f) ;
- ptm->tm_mon = (uInt)((((uDate)&0x1E0)/0x20)-1) ;
- ptm->tm_year = (uInt)(((uDate&0x0FE00)/0x0200)+1980) ;
-
- ptm->tm_hour = (uInt) ((ulDosDate &0xF800)/0x800);
- ptm->tm_min = (uInt) ((ulDosDate&0x7E0)/0x20) ;
- ptm->tm_sec = (uInt) (2*(ulDosDate&0x1f)) ;
+ */
+static void unzlocal_DosDateToTmuDate( uLong ulDosDate, tm_unz* ptm ){
+ uLong uDate;
+ uDate = (uLong)( ulDosDate >> 16 );
+ ptm->tm_mday = (uInt)( uDate & 0x1f ) ;
+ ptm->tm_mon = (uInt)( ( ( ( uDate ) & 0x1E0 ) / 0x20 ) - 1 ) ;
+ ptm->tm_year = (uInt)( ( ( uDate & 0x0FE00 ) / 0x0200 ) + 1980 ) ;
+
+ ptm->tm_hour = (uInt) ( ( ulDosDate & 0xF800 ) / 0x800 );
+ ptm->tm_min = (uInt) ( ( ulDosDate & 0x7E0 ) / 0x20 ) ;
+ ptm->tm_sec = (uInt) ( 2 * ( ulDosDate & 0x1f ) ) ;
}
/*
- Get Info about the current file in the zipfile, with internal only info
-*/
-static int unzlocal_GetCurrentFileInfoInternal (unzFile file,
- unz_file_info *pfile_info,
- unz_file_info_internal
- *pfile_info_internal,
- char *szFileName,
- uLong fileNameBufferSize,
- void *extraField,
- uLong extraFieldBufferSize,
- char *szComment,
- uLong commentBufferSize)
-{
+ Get Info about the current file in the zipfile, with internal only info
+ */
+static int unzlocal_GetCurrentFileInfoInternal( unzFile file,
+ unz_file_info *pfile_info,
+ unz_file_info_internal
+ *pfile_info_internal,
+ char *szFileName,
+ uLong fileNameBufferSize,
+ void *extraField,
+ uLong extraFieldBufferSize,
+ char *szComment,
+ uLong commentBufferSize ){
unz_s* s;
unz_file_info file_info;
unz_file_info_internal file_info_internal;
- int err=UNZ_OK;
+ int err = UNZ_OK;
uLong uMagic;
- long lSeek=0;
+ long lSeek = 0;
- if (file==NULL)
+ if ( file == NULL ) {
return UNZ_PARAMERROR;
- s=(unz_s*)file;
- if (fseek(s->file,s->pos_in_central_dir+s->byte_before_the_zipfile,SEEK_SET)!=0)
- err=UNZ_ERRNO;
+ }
+ s = (unz_s*)file;
+ if ( fseek( s->file,s->pos_in_central_dir + s->byte_before_the_zipfile,SEEK_SET ) != 0 ) {
+ err = UNZ_ERRNO;
+ }
/* we check the magic */
- if (err==UNZ_OK)
- if (unzlocal_getLong(s->file,&uMagic) != UNZ_OK)
- err=UNZ_ERRNO;
- else if (uMagic!=0x02014b50)
- err=UNZ_BADZIPFILE;
+ if ( err == UNZ_OK ) {
+ if ( unzlocal_getLong( s->file,&uMagic ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
+ else if ( uMagic != 0x02014b50 ) {
+ err = UNZ_BADZIPFILE;
+ }
+ }
- if (unzlocal_getShort(s->file,&file_info.version) != UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getShort( s->file,&file_info.version ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
- if (unzlocal_getShort(s->file,&file_info.version_needed) != UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getShort( s->file,&file_info.version_needed ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
- if (unzlocal_getShort(s->file,&file_info.flag) != UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getShort( s->file,&file_info.flag ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
- if (unzlocal_getShort(s->file,&file_info.compression_method) != UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getShort( s->file,&file_info.compression_method ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
- if (unzlocal_getLong(s->file,&file_info.dosDate) != UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getLong( s->file,&file_info.dosDate ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
- unzlocal_DosDateToTmuDate(file_info.dosDate,&file_info.tmu_date);
+ unzlocal_DosDateToTmuDate( file_info.dosDate,&file_info.tmu_date );
- if (unzlocal_getLong(s->file,&file_info.crc) != UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getLong( s->file,&file_info.crc ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
- if (unzlocal_getLong(s->file,&file_info.compressed_size) != UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getLong( s->file,&file_info.compressed_size ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
- if (unzlocal_getLong(s->file,&file_info.uncompressed_size) != UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getLong( s->file,&file_info.uncompressed_size ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
- if (unzlocal_getShort(s->file,&file_info.size_filename) != UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getShort( s->file,&file_info.size_filename ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
- if (unzlocal_getShort(s->file,&file_info.size_file_extra) != UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getShort( s->file,&file_info.size_file_extra ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
- if (unzlocal_getShort(s->file,&file_info.size_file_comment) != UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getShort( s->file,&file_info.size_file_comment ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
- if (unzlocal_getShort(s->file,&file_info.disk_num_start) != UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getShort( s->file,&file_info.disk_num_start ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
- if (unzlocal_getShort(s->file,&file_info.internal_fa) != UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getShort( s->file,&file_info.internal_fa ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
- if (unzlocal_getLong(s->file,&file_info.external_fa) != UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getLong( s->file,&file_info.external_fa ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
- if (unzlocal_getLong(s->file,&file_info_internal.offset_curfile) != UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getLong( s->file,&file_info_internal.offset_curfile ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
- lSeek+=file_info.size_filename;
- if ((err==UNZ_OK) && (szFileName!=NULL))
- {
+ lSeek += file_info.size_filename;
+ if ( ( err == UNZ_OK ) && ( szFileName != NULL ) ) {
uLong uSizeRead ;
- if (file_info.size_filename<fileNameBufferSize)
- {
- *(szFileName+file_info.size_filename)='\0';
+ if ( file_info.size_filename < fileNameBufferSize ) {
+ *( szFileName + file_info.size_filename ) = '\0';
uSizeRead = file_info.size_filename;
}
- else
+ else{
uSizeRead = fileNameBufferSize;
+ }
- if ((file_info.size_filename>0) && (fileNameBufferSize>0))
- if (fread(szFileName,(uInt)uSizeRead,1,s->file)!=1)
- err=UNZ_ERRNO;
+ if ( ( file_info.size_filename > 0 ) && ( fileNameBufferSize > 0 ) ) {
+ if ( fread( szFileName,(uInt)uSizeRead,1,s->file ) != 1 ) {
+ err = UNZ_ERRNO;
+ }
+ }
lSeek -= uSizeRead;
}
-
- if ((err==UNZ_OK) && (extraField!=NULL))
- {
+
+ if ( ( err == UNZ_OK ) && ( extraField != NULL ) ) {
uLong uSizeRead ;
- if (file_info.size_file_extra<extraFieldBufferSize)
+ if ( file_info.size_file_extra < extraFieldBufferSize ) {
uSizeRead = file_info.size_file_extra;
- else
+ }
+ else{
uSizeRead = extraFieldBufferSize;
+ }
- if (lSeek!=0)
- if (fseek(s->file,lSeek,SEEK_CUR)==0)
- lSeek=0;
- else
- err=UNZ_ERRNO;
- if ((file_info.size_file_extra>0) && (extraFieldBufferSize>0))
- if (fread(extraField,(uInt)uSizeRead,1,s->file)!=1)
- err=UNZ_ERRNO;
+ if ( lSeek != 0 ) {
+ if ( fseek( s->file,lSeek,SEEK_CUR ) == 0 ) {
+ lSeek = 0;
+ }
+ else{
+ err = UNZ_ERRNO;
+ }
+ }
+ if ( ( file_info.size_file_extra > 0 ) && ( extraFieldBufferSize > 0 ) ) {
+ if ( fread( extraField,(uInt)uSizeRead,1,s->file ) != 1 ) {
+ err = UNZ_ERRNO;
+ }
+ }
lSeek += file_info.size_file_extra - uSizeRead;
}
- else
- lSeek+=file_info.size_file_extra;
+ else{
+ lSeek += file_info.size_file_extra;
+ }
-
- if ((err==UNZ_OK) && (szComment!=NULL))
- {
+
+ if ( ( err == UNZ_OK ) && ( szComment != NULL ) ) {
uLong uSizeRead ;
- if (file_info.size_file_comment<commentBufferSize)
- {
- *(szComment+file_info.size_file_comment)='\0';
+ if ( file_info.size_file_comment < commentBufferSize ) {
+ *( szComment + file_info.size_file_comment ) = '\0';
uSizeRead = file_info.size_file_comment;
}
- else
+ else{
uSizeRead = commentBufferSize;
+ }
- if (lSeek!=0)
- if (fseek(s->file,lSeek,SEEK_CUR)==0)
- lSeek=0;
- else
- err=UNZ_ERRNO;
- if ((file_info.size_file_comment>0) && (commentBufferSize>0))
- if (fread(szComment,(uInt)uSizeRead,1,s->file)!=1)
- err=UNZ_ERRNO;
- lSeek+=file_info.size_file_comment - uSizeRead;
+ if ( lSeek != 0 ) {
+ if ( fseek( s->file,lSeek,SEEK_CUR ) == 0 ) {
+ lSeek = 0;
+ }
+ else{
+ err = UNZ_ERRNO;
+ }
+ }
+ if ( ( file_info.size_file_comment > 0 ) && ( commentBufferSize > 0 ) ) {
+ if ( fread( szComment,(uInt)uSizeRead,1,s->file ) != 1 ) {
+ err = UNZ_ERRNO;
+ }
+ }
+ lSeek += file_info.size_file_comment - uSizeRead;
+ }
+ else{
+ lSeek += file_info.size_file_comment;
}
- else
- lSeek+=file_info.size_file_comment;
- if ((err==UNZ_OK) && (pfile_info!=NULL))
- *pfile_info=file_info;
+ if ( ( err == UNZ_OK ) && ( pfile_info != NULL ) ) {
+ *pfile_info = file_info;
+ }
- if ((err==UNZ_OK) && (pfile_info_internal!=NULL))
- *pfile_info_internal=file_info_internal;
+ if ( ( err == UNZ_OK ) && ( pfile_info_internal != NULL ) ) {
+ *pfile_info_internal = file_info_internal;
+ }
return err;
}
/*
- Write info about the ZipFile in the *pglobal_info structure.
- No preparation of the structure is needed
- return UNZ_OK if there is no problem.
-*/
-extern int unzGetCurrentFileInfo ( unzFile file, unz_file_info *pfile_info,
- char *szFileName, uLong fileNameBufferSize,
- void *extraField, uLong extraFieldBufferSize,
- char *szComment, uLong commentBufferSize)
-{
- return unzlocal_GetCurrentFileInfoInternal(file,pfile_info,NULL,
+ Write info about the ZipFile in the *pglobal_info structure.
+ No preparation of the structure is needed
+ return UNZ_OK if there is no problem.
+ */
+extern int unzGetCurrentFileInfo( unzFile file, unz_file_info *pfile_info,
+ char *szFileName, uLong fileNameBufferSize,
+ void *extraField, uLong extraFieldBufferSize,
+ char *szComment, uLong commentBufferSize ){
+ return unzlocal_GetCurrentFileInfoInternal( file,pfile_info,NULL,
szFileName,fileNameBufferSize,
extraField,extraFieldBufferSize,
- szComment,commentBufferSize);
+ szComment,commentBufferSize );
}
/*
- Set the current file of the zipfile to the first file.
- return UNZ_OK if there is no problem
-*/
-extern int unzGoToFirstFile (unzFile file)
-{
- int err=UNZ_OK;
+ Set the current file of the zipfile to the first file.
+ return UNZ_OK if there is no problem
+ */
+extern int unzGoToFirstFile( unzFile file ){
+ int err = UNZ_OK;
unz_s* s;
- if (file==NULL)
+ if ( file == NULL ) {
return UNZ_PARAMERROR;
- s=(unz_s*)file;
- s->pos_in_central_dir=s->offset_central_dir;
- s->num_file=0;
- err=unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,
- &s->cur_file_info_internal,
- NULL,0,NULL,0,NULL,0);
- s->current_file_ok = (err == UNZ_OK);
+ }
+ s = (unz_s*)file;
+ s->pos_in_central_dir = s->offset_central_dir;
+ s->num_file = 0;
+ err = unzlocal_GetCurrentFileInfoInternal( file,&s->cur_file_info,
+ &s->cur_file_info_internal,
+ NULL,0,NULL,0,NULL,0 );
+ s->current_file_ok = ( err == UNZ_OK );
return err;
}
/*
- Set the current file of the zipfile to the next file.
- return UNZ_OK if there is no problem
- return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
-*/
-extern int unzGoToNextFile (unzFile file)
-{
- unz_s* s;
+ Set the current file of the zipfile to the next file.
+ return UNZ_OK if there is no problem
+ return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
+ */
+extern int unzGoToNextFile( unzFile file ){
+ unz_s* s;
int err;
- if (file==NULL)
+ if ( file == NULL ) {
return UNZ_PARAMERROR;
- s=(unz_s*)file;
- if (!s->current_file_ok)
+ }
+ s = (unz_s*)file;
+ if ( !s->current_file_ok ) {
return UNZ_END_OF_LIST_OF_FILE;
- if (s->num_file+1==s->gi.number_entry)
+ }
+ if ( s->num_file + 1 == s->gi.number_entry ) {
return UNZ_END_OF_LIST_OF_FILE;
+ }
s->pos_in_central_dir += SIZECENTRALDIRITEM + s->cur_file_info.size_filename +
- s->cur_file_info.size_file_extra + s->cur_file_info.size_file_comment ;
+ s->cur_file_info.size_file_extra + s->cur_file_info.size_file_comment ;
s->num_file++;
- err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,
+ err = unzlocal_GetCurrentFileInfoInternal( file,&s->cur_file_info,
&s->cur_file_info_internal,
- NULL,0,NULL,0,NULL,0);
- s->current_file_ok = (err == UNZ_OK);
+ NULL,0,NULL,0,NULL,0 );
+ s->current_file_ok = ( err == UNZ_OK );
return err;
}
/*
- Try locate the file szFileName in the zipfile.
- For the iCaseSensitivity signification, see unzipStringFileNameCompare
-
- return value :
- UNZ_OK if the file is found. It becomes the current file.
- UNZ_END_OF_LIST_OF_FILE if the file is not found
-*/
-extern int unzLocateFile (unzFile file, const char *szFileName, int iCaseSensitivity)
-{
- unz_s* s;
+ Try locate the file szFileName in the zipfile.
+ For the iCaseSensitivity signification, see unzipStringFileNameCompare
+
+ return value :
+ UNZ_OK if the file is found. It becomes the current file.
+ UNZ_END_OF_LIST_OF_FILE if the file is not found
+ */
+extern int unzLocateFile( unzFile file, const char *szFileName, int iCaseSensitivity ){
+ unz_s* s;
int err;
-
+
uLong num_fileSaved;
uLong pos_in_central_dirSaved;
- if (file==NULL)
+ if ( file == NULL ) {
return UNZ_PARAMERROR;
+ }
- if (strlen(szFileName)>=UNZ_MAXFILENAMEINZIP)
- return UNZ_PARAMERROR;
+ if ( strlen( szFileName ) >= UNZ_MAXFILENAMEINZIP ) {
+ return UNZ_PARAMERROR;
+ }
- s=(unz_s*)file;
- if (!s->current_file_ok)
+ s = (unz_s*)file;
+ if ( !s->current_file_ok ) {
return UNZ_END_OF_LIST_OF_FILE;
+ }
num_fileSaved = s->num_file;
pos_in_central_dirSaved = s->pos_in_central_dir;
- err = unzGoToFirstFile(file);
+ err = unzGoToFirstFile( file );
- while (err == UNZ_OK)
+ while ( err == UNZ_OK )
{
- char szCurrentFileName[UNZ_MAXFILENAMEINZIP+1];
- unzGetCurrentFileInfo(file,NULL,
- szCurrentFileName,sizeof(szCurrentFileName)-1,
- NULL,0,NULL,0);
- if (unzStringFileNameCompare(szCurrentFileName,
- szFileName,iCaseSensitivity)==0)
+ char szCurrentFileName[UNZ_MAXFILENAMEINZIP + 1];
+ unzGetCurrentFileInfo( file,NULL,
+ szCurrentFileName,sizeof( szCurrentFileName ) - 1,
+ NULL,0,NULL,0 );
+ if ( unzStringFileNameCompare( szCurrentFileName,
+ szFileName,iCaseSensitivity ) == 0 ) {
return UNZ_OK;
- err = unzGoToNextFile(file);
+ }
+ err = unzGoToNextFile( file );
}
s->num_file = num_fileSaved ;
/*
- Read the static header of the current zipfile
- Check the coherency of the static header and info in the end of central
+ Read the static header of the current zipfile
+ Check the coherency of the static header and info in the end of central
directory about this file
- store in *piSizeVar the size of extra info in static header
+ store in *piSizeVar the size of extra info in static header
(filename and size of extra field data)
-*/
-static int unzlocal_CheckCurrentFileCoherencyHeader (unz_s* s, uInt* piSizeVar,
- uLong *poffset_local_extrafield,
- uInt *psize_local_extrafield)
-{
+ */
+static int unzlocal_CheckCurrentFileCoherencyHeader( unz_s* s, uInt* piSizeVar,
+ uLong *poffset_local_extrafield,
+ uInt *psize_local_extrafield ){
uLong uMagic,uData,uFlags;
uLong size_filename;
uLong size_extra_field;
- int err=UNZ_OK;
+ int err = UNZ_OK;
*piSizeVar = 0;
*poffset_local_extrafield = 0;
*psize_local_extrafield = 0;
- if (fseek(s->file,s->cur_file_info_internal.offset_curfile +
- s->byte_before_the_zipfile,SEEK_SET)!=0)
+ if ( fseek( s->file,s->cur_file_info_internal.offset_curfile +
+ s->byte_before_the_zipfile,SEEK_SET ) != 0 ) {
return UNZ_ERRNO;
+ }
- if (err==UNZ_OK)
- if (unzlocal_getLong(s->file,&uMagic) != UNZ_OK)
- err=UNZ_ERRNO;
- else if (uMagic!=0x04034b50)
- err=UNZ_BADZIPFILE;
+ if ( err == UNZ_OK ) {
+ if ( unzlocal_getLong( s->file,&uMagic ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
+ else if ( uMagic != 0x04034b50 ) {
+ err = UNZ_BADZIPFILE;
+ }
+ }
- if (unzlocal_getShort(s->file,&uData) != UNZ_OK)
- err=UNZ_ERRNO;
+ if ( unzlocal_getShort( s->file,&uData ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
/*
- else if ((err==UNZ_OK) && (uData!=s->cur_file_info.wVersion))
- err=UNZ_BADZIPFILE;
-*/
- if (unzlocal_getShort(s->file,&uFlags) != UNZ_OK)
- err=UNZ_ERRNO;
-
- if (unzlocal_getShort(s->file,&uData) != UNZ_OK)
- err=UNZ_ERRNO;
- else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compression_method))
- err=UNZ_BADZIPFILE;
-
- if ((err==UNZ_OK) && (s->cur_file_info.compression_method!=0) &&
- (s->cur_file_info.compression_method!=Z_DEFLATED))
+ else if ((err==UNZ_OK) && (uData!=s->cur_file_info.wVersion))
err=UNZ_BADZIPFILE;
+ */
+ if ( unzlocal_getShort( s->file,&uFlags ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
+
+ if ( unzlocal_getShort( s->file,&uData ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
+ else if ( ( err == UNZ_OK ) && ( uData != s->cur_file_info.compression_method ) ) {
+ err = UNZ_BADZIPFILE;
+ }
+
+ if ( ( err == UNZ_OK ) && ( s->cur_file_info.compression_method != 0 ) &&
+ ( s->cur_file_info.compression_method != Z_DEFLATED ) ) {
+ err = UNZ_BADZIPFILE;
+ }
- if (unzlocal_getLong(s->file,&uData) != UNZ_OK) /* date/time */
- err=UNZ_ERRNO;
+ if ( unzlocal_getLong( s->file,&uData ) != UNZ_OK ) { /* date/time */
+ err = UNZ_ERRNO;
+ }
- if (unzlocal_getLong(s->file,&uData) != UNZ_OK) /* crc */
- err=UNZ_ERRNO;
- else if ((err==UNZ_OK) && (uData!=s->cur_file_info.crc) &&
- ((uFlags & 8)==0))
- err=UNZ_BADZIPFILE;
+ if ( unzlocal_getLong( s->file,&uData ) != UNZ_OK ) { /* crc */
+ err = UNZ_ERRNO;
+ }
+ else if ( ( err == UNZ_OK ) && ( uData != s->cur_file_info.crc ) &&
+ ( ( uFlags & 8 ) == 0 ) ) {
+ err = UNZ_BADZIPFILE;
+ }
- if (unzlocal_getLong(s->file,&uData) != UNZ_OK) /* size compr */
- err=UNZ_ERRNO;
- else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compressed_size) &&
- ((uFlags & 8)==0))
- err=UNZ_BADZIPFILE;
+ if ( unzlocal_getLong( s->file,&uData ) != UNZ_OK ) { /* size compr */
+ err = UNZ_ERRNO;
+ }
+ else if ( ( err == UNZ_OK ) && ( uData != s->cur_file_info.compressed_size ) &&
+ ( ( uFlags & 8 ) == 0 ) ) {
+ err = UNZ_BADZIPFILE;
+ }
- if (unzlocal_getLong(s->file,&uData) != UNZ_OK) /* size uncompr */
- err=UNZ_ERRNO;
- else if ((err==UNZ_OK) && (uData!=s->cur_file_info.uncompressed_size) &&
- ((uFlags & 8)==0))
- err=UNZ_BADZIPFILE;
+ if ( unzlocal_getLong( s->file,&uData ) != UNZ_OK ) { /* size uncompr */
+ err = UNZ_ERRNO;
+ }
+ else if ( ( err == UNZ_OK ) && ( uData != s->cur_file_info.uncompressed_size ) &&
+ ( ( uFlags & 8 ) == 0 ) ) {
+ err = UNZ_BADZIPFILE;
+ }
- if (unzlocal_getShort(s->file,&size_filename) != UNZ_OK)
- err=UNZ_ERRNO;
- else if ((err==UNZ_OK) && (size_filename!=s->cur_file_info.size_filename))
- err=UNZ_BADZIPFILE;
+ if ( unzlocal_getShort( s->file,&size_filename ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
+ else if ( ( err == UNZ_OK ) && ( size_filename != s->cur_file_info.size_filename ) ) {
+ err = UNZ_BADZIPFILE;
+ }
*piSizeVar += (uInt)size_filename;
- if (unzlocal_getShort(s->file,&size_extra_field) != UNZ_OK)
- err=UNZ_ERRNO;
- *poffset_local_extrafield= s->cur_file_info_internal.offset_curfile +
- SIZEZIPLOCALHEADER + size_filename;
+ if ( unzlocal_getShort( s->file,&size_extra_field ) != UNZ_OK ) {
+ err = UNZ_ERRNO;
+ }
+ *poffset_local_extrafield = s->cur_file_info_internal.offset_curfile +
+ SIZEZIPLOCALHEADER + size_filename;
*psize_local_extrafield = (uInt)size_extra_field;
*piSizeVar += (uInt)size_extra_field;
return err;
}
-
+
/*
- Open for reading data the current file in the zipfile.
- If there is no error and the file is opened, the return value is UNZ_OK.
-*/
-extern int unzOpenCurrentFile (unzFile file)
-{
- int err=UNZ_OK;
+ Open for reading data the current file in the zipfile.
+ If there is no error and the file is opened, the return value is UNZ_OK.
+ */
+extern int unzOpenCurrentFile( unzFile file ){
+ int err = UNZ_OK;
int Store;
uInt iSizeVar;
unz_s* s;
file_in_zip_read_info_s* pfile_in_zip_read_info;
uLong offset_local_extrafield; /* offset of the static extra field */
- uInt size_local_extrafield; /* size of the static extra field */
+ uInt size_local_extrafield; /* size of the static extra field */
- if (file==NULL)
+ if ( file == NULL ) {
return UNZ_PARAMERROR;
- s=(unz_s*)file;
- if (!s->current_file_ok)
+ }
+ s = (unz_s*)file;
+ if ( !s->current_file_ok ) {
return UNZ_PARAMERROR;
+ }
- if (s->pfile_in_zip_read != NULL)
- unzCloseCurrentFile(file);
+ if ( s->pfile_in_zip_read != NULL ) {
+ unzCloseCurrentFile( file );
+ }
- if (unzlocal_CheckCurrentFileCoherencyHeader(s,&iSizeVar,
- &offset_local_extrafield,&size_local_extrafield)!=UNZ_OK)
+ if ( unzlocal_CheckCurrentFileCoherencyHeader( s,&iSizeVar,
+ &offset_local_extrafield,&size_local_extrafield ) != UNZ_OK ) {
return UNZ_BADZIPFILE;
+ }
pfile_in_zip_read_info = (file_in_zip_read_info_s*)
- malloc(sizeof(file_in_zip_read_info_s));
- if (pfile_in_zip_read_info==NULL)
+ malloc( sizeof( file_in_zip_read_info_s ) );
+ if ( pfile_in_zip_read_info == NULL ) {
return UNZ_INTERNALERROR;
+ }
- pfile_in_zip_read_info->read_buffer=(char*)malloc(UNZ_BUFSIZE);
+ pfile_in_zip_read_info->read_buffer = (char*)malloc( UNZ_BUFSIZE );
pfile_in_zip_read_info->offset_local_extrafield = offset_local_extrafield;
pfile_in_zip_read_info->size_local_extrafield = size_local_extrafield;
- pfile_in_zip_read_info->pos_local_extrafield=0;
+ pfile_in_zip_read_info->pos_local_extrafield = 0;
- if (pfile_in_zip_read_info->read_buffer==NULL)
- {
- free(pfile_in_zip_read_info);
+ if ( pfile_in_zip_read_info->read_buffer == NULL ) {
+ free( pfile_in_zip_read_info );
return UNZ_INTERNALERROR;
}
- pfile_in_zip_read_info->stream_initialised=0;
-
- if ((s->cur_file_info.compression_method!=0) &&
- (s->cur_file_info.compression_method!=Z_DEFLATED))
- err=UNZ_BADZIPFILE;
- Store = s->cur_file_info.compression_method==0;
+ pfile_in_zip_read_info->stream_initialised = 0;
+
+ if ( ( s->cur_file_info.compression_method != 0 ) &&
+ ( s->cur_file_info.compression_method != Z_DEFLATED ) ) {
+ err = UNZ_BADZIPFILE;
+ }
+ Store = s->cur_file_info.compression_method == 0;
- pfile_in_zip_read_info->crc32_wait=s->cur_file_info.crc;
- pfile_in_zip_read_info->crc32=0;
+ pfile_in_zip_read_info->crc32_wait = s->cur_file_info.crc;
+ pfile_in_zip_read_info->crc32 = 0;
pfile_in_zip_read_info->compression_method =
- s->cur_file_info.compression_method;
- pfile_in_zip_read_info->file=s->file;
- pfile_in_zip_read_info->byte_before_the_zipfile=s->byte_before_the_zipfile;
+ s->cur_file_info.compression_method;
+ pfile_in_zip_read_info->file = s->file;
+ pfile_in_zip_read_info->byte_before_the_zipfile = s->byte_before_the_zipfile;
- pfile_in_zip_read_info->stream.total_out = 0;
+ pfile_in_zip_read_info->stream.total_out = 0;
+
+ if ( !Store ) {
+ pfile_in_zip_read_info->stream.zalloc = (alloc_func)0;
+ pfile_in_zip_read_info->stream.zfree = (free_func)0;
+ pfile_in_zip_read_info->stream.opaque = (voidp)0;
+
+ err = inflateInit2( &pfile_in_zip_read_info->stream, -MAX_WBITS );
+ if ( err == Z_OK ) {
+ pfile_in_zip_read_info->stream_initialised = 1;
+ }
+ /* windowBits is passed < 0 to tell that there is no zlib header.
+ * Note that in this case inflate *requires* an extra "dummy" byte
+ * after the compressed stream in order to complete decompression and
+ * return Z_STREAM_END.
+ * In unzip, i don't wait absolutely Z_STREAM_END because I known the
+ * size of both compressed and uncompressed data
+ */
+ }
+ pfile_in_zip_read_info->rest_read_compressed =
+ s->cur_file_info.compressed_size ;
+ pfile_in_zip_read_info->rest_read_uncompressed =
+ s->cur_file_info.uncompressed_size ;
+
+
+ pfile_in_zip_read_info->pos_in_zipfile =
+ s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER +
+ iSizeVar;
- if (!Store)
- {
- pfile_in_zip_read_info->stream.zalloc = (alloc_func)0;
- pfile_in_zip_read_info->stream.zfree = (free_func)0;
- pfile_in_zip_read_info->stream.opaque = (voidp)0;
-
- err=inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS);
- if (err == Z_OK)
- pfile_in_zip_read_info->stream_initialised=1;
- /* windowBits is passed < 0 to tell that there is no zlib header.
- * Note that in this case inflate *requires* an extra "dummy" byte
- * after the compressed stream in order to complete decompression and
- * return Z_STREAM_END.
- * In unzip, i don't wait absolutely Z_STREAM_END because I known the
- * size of both compressed and uncompressed data
- */
- }
- pfile_in_zip_read_info->rest_read_compressed =
- s->cur_file_info.compressed_size ;
- pfile_in_zip_read_info->rest_read_uncompressed =
- s->cur_file_info.uncompressed_size ;
-
-
- pfile_in_zip_read_info->pos_in_zipfile =
- s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER +
- iSizeVar;
-
pfile_in_zip_read_info->stream.avail_in = (uInt)0;
s->pfile_in_zip_read = pfile_in_zip_read_info;
- return UNZ_OK;
+ return UNZ_OK;
}
/*
- Read bytes from the current file.
- buf contain buffer where data must be copied
- len the size of buf.
+ Read bytes from the current file.
+ buf contain buffer where data must be copied
+ len the size of buf.
- return the number of byte copied if somes bytes are copied
- return 0 if the end of file was reached
- return <0 with error code if there is an error
+ return the number of byte copied if somes bytes are copied
+ return 0 if the end of file was reached
+ return <0 with error code if there is an error
(UNZ_ERRNO for IO error, or zLib error for uncompress error)
-*/
-extern int unzReadCurrentFile (unzFile file, void *buf, unsigned len)
-{
- int err=UNZ_OK;
+ */
+extern int unzReadCurrentFile( unzFile file, void *buf, unsigned len ){
+ int err = UNZ_OK;
uInt iRead = 0;
unz_s* s;
file_in_zip_read_info_s* pfile_in_zip_read_info;
- if (file==NULL)
+ if ( file == NULL ) {
return UNZ_PARAMERROR;
- s=(unz_s*)file;
- pfile_in_zip_read_info=s->pfile_in_zip_read;
+ }
+ s = (unz_s*)file;
+ pfile_in_zip_read_info = s->pfile_in_zip_read;
- if (pfile_in_zip_read_info==NULL)
+ if ( pfile_in_zip_read_info == NULL ) {
return UNZ_PARAMERROR;
+ }
- if ((pfile_in_zip_read_info->read_buffer == NULL))
+ if ( ( pfile_in_zip_read_info->read_buffer == NULL ) ) {
return UNZ_END_OF_LIST_OF_FILE;
- if (len==0)
+ }
+ if ( len == 0 ) {
return 0;
+ }
pfile_in_zip_read_info->stream.next_out = (Byte*)buf;
pfile_in_zip_read_info->stream.avail_out = (uInt)len;
-
- if (len>pfile_in_zip_read_info->rest_read_uncompressed)
- pfile_in_zip_read_info->stream.avail_out =
- (uInt)pfile_in_zip_read_info->rest_read_uncompressed;
- while (pfile_in_zip_read_info->stream.avail_out>0)
+ if ( len > pfile_in_zip_read_info->rest_read_uncompressed ) {
+ pfile_in_zip_read_info->stream.avail_out =
+ (uInt)pfile_in_zip_read_info->rest_read_uncompressed;
+ }
+
+ while ( pfile_in_zip_read_info->stream.avail_out > 0 )
{
- if ((pfile_in_zip_read_info->stream.avail_in==0) &&
- (pfile_in_zip_read_info->rest_read_compressed>0))
- {
+ if ( ( pfile_in_zip_read_info->stream.avail_in == 0 ) &&
+ ( pfile_in_zip_read_info->rest_read_compressed > 0 ) ) {
uInt uReadThis = UNZ_BUFSIZE;
- if (pfile_in_zip_read_info->rest_read_compressed<uReadThis)
+ if ( pfile_in_zip_read_info->rest_read_compressed < uReadThis ) {
uReadThis = (uInt)pfile_in_zip_read_info->rest_read_compressed;
- if (uReadThis == 0)
+ }
+ if ( uReadThis == 0 ) {
return UNZ_EOF;
- if (s->cur_file_info.compressed_size == pfile_in_zip_read_info->rest_read_compressed)
- if (fseek(pfile_in_zip_read_info->file,
- pfile_in_zip_read_info->pos_in_zipfile +
- pfile_in_zip_read_info->byte_before_the_zipfile,SEEK_SET)!=0)
+ }
+ if ( s->cur_file_info.compressed_size == pfile_in_zip_read_info->rest_read_compressed ) {
+ if ( fseek( pfile_in_zip_read_info->file,
+ pfile_in_zip_read_info->pos_in_zipfile +
+ pfile_in_zip_read_info->byte_before_the_zipfile,SEEK_SET ) != 0 ) {
return UNZ_ERRNO;
- if (fread(pfile_in_zip_read_info->read_buffer,uReadThis,1,
- pfile_in_zip_read_info->file)!=1)
+ }
+ }
+ if ( fread( pfile_in_zip_read_info->read_buffer,uReadThis,1,
+ pfile_in_zip_read_info->file ) != 1 ) {
return UNZ_ERRNO;
+ }
pfile_in_zip_read_info->pos_in_zipfile += uReadThis;
- pfile_in_zip_read_info->rest_read_compressed-=uReadThis;
-
- pfile_in_zip_read_info->stream.next_in =
- (Byte*)pfile_in_zip_read_info->read_buffer;
+ pfile_in_zip_read_info->rest_read_compressed -= uReadThis;
+
+ pfile_in_zip_read_info->stream.next_in =
+ (Byte*)pfile_in_zip_read_info->read_buffer;
pfile_in_zip_read_info->stream.avail_in = (uInt)uReadThis;
}
- if (pfile_in_zip_read_info->compression_method==0)
- {
+ if ( pfile_in_zip_read_info->compression_method == 0 ) {
uInt uDoCopy,i ;
- if (pfile_in_zip_read_info->stream.avail_out <
- pfile_in_zip_read_info->stream.avail_in)
+ if ( pfile_in_zip_read_info->stream.avail_out <
+ pfile_in_zip_read_info->stream.avail_in ) {
uDoCopy = pfile_in_zip_read_info->stream.avail_out ;
- else
+ }
+ else{
uDoCopy = pfile_in_zip_read_info->stream.avail_in ;
-
- for (i=0;i<uDoCopy;i++)
- *(pfile_in_zip_read_info->stream.next_out+i) =
- *(pfile_in_zip_read_info->stream.next_in+i);
-
- pfile_in_zip_read_info->crc32 = crc32(pfile_in_zip_read_info->crc32,
- pfile_in_zip_read_info->stream.next_out,
- uDoCopy);
- pfile_in_zip_read_info->rest_read_uncompressed-=uDoCopy;
+ }
+
+ for ( i = 0; i < uDoCopy; i++ )
+ *( pfile_in_zip_read_info->stream.next_out + i ) =
+ *( pfile_in_zip_read_info->stream.next_in + i );
+
+ pfile_in_zip_read_info->crc32 = crc32( pfile_in_zip_read_info->crc32,
+ pfile_in_zip_read_info->stream.next_out,
+ uDoCopy );
+ pfile_in_zip_read_info->rest_read_uncompressed -= uDoCopy;
pfile_in_zip_read_info->stream.avail_in -= uDoCopy;
pfile_in_zip_read_info->stream.avail_out -= uDoCopy;
pfile_in_zip_read_info->stream.next_out += uDoCopy;
pfile_in_zip_read_info->stream.next_in += uDoCopy;
- pfile_in_zip_read_info->stream.total_out += uDoCopy;
+ pfile_in_zip_read_info->stream.total_out += uDoCopy;
iRead += uDoCopy;
}
else
uLong uTotalOutBefore,uTotalOutAfter;
const Byte *bufBefore;
uLong uOutThis;
- int flush=Z_SYNC_FLUSH;
+ int flush = Z_SYNC_FLUSH;
uTotalOutBefore = pfile_in_zip_read_info->stream.total_out;
bufBefore = pfile_in_zip_read_info->stream.next_out;
/*
- if ((pfile_in_zip_read_info->rest_read_uncompressed ==
+ if ((pfile_in_zip_read_info->rest_read_uncompressed ==
pfile_in_zip_read_info->stream.avail_out) &&
- (pfile_in_zip_read_info->rest_read_compressed == 0))
- flush = Z_FINISH;
- */
- err=inflate(&pfile_in_zip_read_info->stream,flush);
+ (pfile_in_zip_read_info->rest_read_compressed == 0))
+ flush = Z_FINISH;
+ */
+ err = inflate( &pfile_in_zip_read_info->stream,flush );
uTotalOutAfter = pfile_in_zip_read_info->stream.total_out;
- uOutThis = uTotalOutAfter-uTotalOutBefore;
-
- pfile_in_zip_read_info->crc32 =
- crc32(pfile_in_zip_read_info->crc32,bufBefore,
- (uInt)(uOutThis));
+ uOutThis = uTotalOutAfter - uTotalOutBefore;
+
+ pfile_in_zip_read_info->crc32 =
+ crc32( pfile_in_zip_read_info->crc32,bufBefore,
+ (uInt)( uOutThis ) );
pfile_in_zip_read_info->rest_read_uncompressed -=
- uOutThis;
+ uOutThis;
+
+ iRead += (uInt)( uTotalOutAfter - uTotalOutBefore );
- iRead += (uInt)(uTotalOutAfter - uTotalOutBefore);
-
- if (err==Z_STREAM_END)
- return (iRead==0) ? UNZ_EOF : iRead;
- if (err!=Z_OK)
+ if ( err == Z_STREAM_END ) {
+ return ( iRead == 0 ) ? UNZ_EOF : iRead;
+ }
+ if ( err != Z_OK ) {
break;
+ }
}
}
- if (err==Z_OK)
+ if ( err == Z_OK ) {
return iRead;
+ }
return err;
}
/*
- Give the current position in uncompressed data
-*/
-extern long unztell (unzFile file)
-{
+ Give the current position in uncompressed data
+ */
+extern long unztell( unzFile file ){
unz_s* s;
file_in_zip_read_info_s* pfile_in_zip_read_info;
- if (file==NULL)
+ if ( file == NULL ) {
return UNZ_PARAMERROR;
- s=(unz_s*)file;
- pfile_in_zip_read_info=s->pfile_in_zip_read;
+ }
+ s = (unz_s*)file;
+ pfile_in_zip_read_info = s->pfile_in_zip_read;
- if (pfile_in_zip_read_info==NULL)
+ if ( pfile_in_zip_read_info == NULL ) {
return UNZ_PARAMERROR;
+ }
return (long)pfile_in_zip_read_info->stream.total_out;
}
/*
- return 1 if the end of file was reached, 0 elsewhere
-*/
-extern int unzeof (unzFile file)
-{
+ return 1 if the end of file was reached, 0 elsewhere
+ */
+extern int unzeof( unzFile file ){
unz_s* s;
file_in_zip_read_info_s* pfile_in_zip_read_info;
- if (file==NULL)
+ if ( file == NULL ) {
return UNZ_PARAMERROR;
- s=(unz_s*)file;
- pfile_in_zip_read_info=s->pfile_in_zip_read;
+ }
+ s = (unz_s*)file;
+ pfile_in_zip_read_info = s->pfile_in_zip_read;
- if (pfile_in_zip_read_info==NULL)
+ if ( pfile_in_zip_read_info == NULL ) {
return UNZ_PARAMERROR;
-
- if (pfile_in_zip_read_info->rest_read_uncompressed == 0)
+ }
+
+ if ( pfile_in_zip_read_info->rest_read_uncompressed == 0 ) {
return 1;
- else
+ }
+ else{
return 0;
+ }
}
/*
- Read extra field from the current file (opened by unzOpenCurrentFile)
- This is the static-header version of the extra field (sometimes, there is
+ Read extra field from the current file (opened by unzOpenCurrentFile)
+ This is the static-header version of the extra field (sometimes, there is
more info in the static-header version than in the central-header)
- if buf==NULL, it return the size of the static extra field that can be read
+ if buf==NULL, it return the size of the static extra field that can be read
- if buf!=NULL, len is the size of the buffer, the extra header is copied in
- buf.
- the return value is the number of bytes copied in buf, or (if <0)
- the error code
-*/
-extern int unzGetLocalExtrafield (unzFile file,void *buf,unsigned len)
-{
+ if buf!=NULL, len is the size of the buffer, the extra header is copied in
+ buf.
+ the return value is the number of bytes copied in buf, or (if <0)
+ the error code
+ */
+extern int unzGetLocalExtrafield( unzFile file,void *buf,unsigned len ){
unz_s* s;
file_in_zip_read_info_s* pfile_in_zip_read_info;
uInt read_now;
uLong size_to_read;
- if (file==NULL)
+ if ( file == NULL ) {
return UNZ_PARAMERROR;
- s=(unz_s*)file;
- pfile_in_zip_read_info=s->pfile_in_zip_read;
+ }
+ s = (unz_s*)file;
+ pfile_in_zip_read_info = s->pfile_in_zip_read;
- if (pfile_in_zip_read_info==NULL)
+ if ( pfile_in_zip_read_info == NULL ) {
return UNZ_PARAMERROR;
+ }
- size_to_read = (pfile_in_zip_read_info->size_local_extrafield -
- pfile_in_zip_read_info->pos_local_extrafield);
+ size_to_read = ( pfile_in_zip_read_info->size_local_extrafield -
+ pfile_in_zip_read_info->pos_local_extrafield );
- if (buf==NULL)
+ if ( buf == NULL ) {
return (int)size_to_read;
-
- if (len>size_to_read)
+ }
+
+ if ( len > size_to_read ) {
read_now = (uInt)size_to_read;
- else
+ }
+ else{
read_now = (uInt)len ;
+ }
- if (read_now==0)
+ if ( read_now == 0 ) {
return 0;
-
- if (fseek(pfile_in_zip_read_info->file,
- pfile_in_zip_read_info->offset_local_extrafield +
- pfile_in_zip_read_info->pos_local_extrafield,SEEK_SET)!=0)
+ }
+
+ if ( fseek( pfile_in_zip_read_info->file,
+ pfile_in_zip_read_info->offset_local_extrafield +
+ pfile_in_zip_read_info->pos_local_extrafield,SEEK_SET ) != 0 ) {
return UNZ_ERRNO;
+ }
- if (fread(buf,(uInt)size_to_read,1,pfile_in_zip_read_info->file)!=1)
+ if ( fread( buf,(uInt)size_to_read,1,pfile_in_zip_read_info->file ) != 1 ) {
return UNZ_ERRNO;
+ }
return (int)read_now;
}
/*
- Close the file in zip opened with unzipOpenCurrentFile
- Return UNZ_CRCERROR if all the file was read but the CRC is not good
-*/
-extern int unzCloseCurrentFile (unzFile file)
-{
- int err=UNZ_OK;
+ Close the file in zip opened with unzipOpenCurrentFile
+ Return UNZ_CRCERROR if all the file was read but the CRC is not good
+ */
+extern int unzCloseCurrentFile( unzFile file ){
+ int err = UNZ_OK;
unz_s* s;
file_in_zip_read_info_s* pfile_in_zip_read_info;
- if (file==NULL)
+ if ( file == NULL ) {
return UNZ_PARAMERROR;
- s=(unz_s*)file;
- pfile_in_zip_read_info=s->pfile_in_zip_read;
+ }
+ s = (unz_s*)file;
+ pfile_in_zip_read_info = s->pfile_in_zip_read;
- if (pfile_in_zip_read_info==NULL)
+ if ( pfile_in_zip_read_info == NULL ) {
return UNZ_PARAMERROR;
+ }
- if (pfile_in_zip_read_info->rest_read_uncompressed == 0)
- {
- if (pfile_in_zip_read_info->crc32 != pfile_in_zip_read_info->crc32_wait)
- err=UNZ_CRCERROR;
+ if ( pfile_in_zip_read_info->rest_read_uncompressed == 0 ) {
+ if ( pfile_in_zip_read_info->crc32 != pfile_in_zip_read_info->crc32_wait ) {
+ err = UNZ_CRCERROR;
+ }
}
- free(pfile_in_zip_read_info->read_buffer);
+ free( pfile_in_zip_read_info->read_buffer );
pfile_in_zip_read_info->read_buffer = NULL;
- if (pfile_in_zip_read_info->stream_initialised)
- inflateEnd(&pfile_in_zip_read_info->stream);
+ if ( pfile_in_zip_read_info->stream_initialised ) {
+ inflateEnd( &pfile_in_zip_read_info->stream );
+ }
pfile_in_zip_read_info->stream_initialised = 0;
- free(pfile_in_zip_read_info);
+ free( pfile_in_zip_read_info );
- s->pfile_in_zip_read=NULL;
+ s->pfile_in_zip_read = NULL;
return err;
}
/*
- Get the global comment string of the ZipFile, in the szComment buffer.
- uSizeBuf is the size of the szComment buffer.
- return the number of byte copied or an error code <0
-*/
-extern int unzGetGlobalComment (unzFile file, char *szComment, uLong uSizeBuf)
-{
+ Get the global comment string of the ZipFile, in the szComment buffer.
+ uSizeBuf is the size of the szComment buffer.
+ return the number of byte copied or an error code <0
+ */
+extern int unzGetGlobalComment( unzFile file, char *szComment, uLong uSizeBuf ){
unz_s* s;
uLong uReadThis ;
- if (file==NULL)
+ if ( file == NULL ) {
return UNZ_PARAMERROR;
- s=(unz_s*)file;
+ }
+ s = (unz_s*)file;
uReadThis = uSizeBuf;
- if (uReadThis>s->gi.size_comment)
+ if ( uReadThis > s->gi.size_comment ) {
uReadThis = s->gi.size_comment;
+ }
- if (fseek(s->file,s->central_pos+22,SEEK_SET)!=0)
+ if ( fseek( s->file,s->central_pos + 22,SEEK_SET ) != 0 ) {
return UNZ_ERRNO;
+ }
- if (uReadThis>0)
- {
- *szComment='\0';
- if (fread(szComment,(uInt)uReadThis,1,s->file)!=1)
- return UNZ_ERRNO;
- }
+ if ( uReadThis > 0 ) {
+ *szComment = '\0';
+ if ( fread( szComment,(uInt)uReadThis,1,s->file ) != 1 ) {
+ return UNZ_ERRNO;
+ }
+ }
- if ((szComment != NULL) && (uSizeBuf > s->gi.size_comment))
- *(szComment+s->gi.size_comment)='\0';
+ if ( ( szComment != NULL ) && ( uSizeBuf > s->gi.size_comment ) ) {
+ *( szComment + s->gi.size_comment ) = '\0';
+ }
return (int)uReadThis;
}
/* crc32.c -- compute the CRC-32 of a data stream
* Copyright (C) 1995-1998 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
+ * For conditions of distribution and use, see copyright notice in zlib.h
*/
static int crc_table_empty = 1;
static uLong crc_table[256];
-static void make_crc_table OF((void));
+static void make_crc_table OF( (void) );
/*
- Generate a table for a byte-wise 32-bit CRC calculation on the polynomial:
- x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x+1.
-
- Polynomials over GF(2) are represented in binary, one bit per coefficient,
- with the lowest powers in the most significant bit. Then adding polynomials
- is just exclusive-or, and multiplying a polynomial by x is a right shift by
- one. If we call the above polynomial p, and represent a byte as the
- polynomial q, also with the lowest power in the most significant bit (so the
- byte 0xb1 is the polynomial x^7+x^3+x+1), then the CRC is (q*x^32) mod p,
- where a mod b means the remainder after dividing a by b.
-
- This calculation is done using the shift-register method of multiplying and
- taking the remainder. The register is initialized to zero, and for each
- incoming bit, x^32 is added mod p to the register if the bit is a one (where
- x^32 mod p is p+x^32 = x^26+...+1), and the register is multiplied mod p by
- x (which is shifting right by one and adding x^32 mod p if the bit shifted
- out is a one). We start with the highest power (least significant bit) of
- q and repeat for all eight bits of q.
-
- The table is simply the CRC of all possible eight bit values. This is all
- the information needed to generate CRC's on data a byte at a time for all
- combinations of CRC register values and incoming bytes.
-*/
-static void make_crc_table()
-{
- uLong c;
- int n, k;
- uLong poly; /* polynomial exclusive-or pattern */
- /* terms of polynomial defining this crc (except x^32): */
- static const Byte p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26};
-
- /* make exclusive-or pattern from polynomial (0xedb88320L) */
- poly = 0L;
- for (n = 0; n < sizeof(p)/sizeof(Byte); n++)
- poly |= 1L << (31 - p[n]);
-
- for (n = 0; n < 256; n++)
- {
- c = (uLong)n;
- for (k = 0; k < 8; k++)
- c = c & 1 ? poly ^ (c >> 1) : c >> 1;
- crc_table[n] = c;
- }
- crc_table_empty = 0;
+ Generate a table for a byte-wise 32-bit CRC calculation on the polynomial:
+ x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x+1.
+
+ Polynomials over GF(2) are represented in binary, one bit per coefficient,
+ with the lowest powers in the most significant bit. Then adding polynomials
+ is just exclusive-or, and multiplying a polynomial by x is a right shift by
+ one. If we call the above polynomial p, and represent a byte as the
+ polynomial q, also with the lowest power in the most significant bit (so the
+ byte 0xb1 is the polynomial x^7+x^3+x+1), then the CRC is (q*x^32) mod p,
+ where a mod b means the remainder after dividing a by b.
+
+ This calculation is done using the shift-register method of multiplying and
+ taking the remainder. The register is initialized to zero, and for each
+ incoming bit, x^32 is added mod p to the register if the bit is a one (where
+ x^32 mod p is p+x^32 = x^26+...+1), and the register is multiplied mod p by
+ x (which is shifting right by one and adding x^32 mod p if the bit shifted
+ out is a one). We start with the highest power (least significant bit) of
+ q and repeat for all eight bits of q.
+
+ The table is simply the CRC of all possible eight bit values. This is all
+ the information needed to generate CRC's on data a byte at a time for all
+ combinations of CRC register values and incoming bytes.
+ */
+static void make_crc_table(){
+ uLong c;
+ int n, k;
+ uLong poly; /* polynomial exclusive-or pattern */
+ /* terms of polynomial defining this crc (except x^32): */
+ static const Byte p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26};
+
+ /* make exclusive-or pattern from polynomial (0xedb88320L) */
+ poly = 0L;
+ for ( n = 0; n < sizeof( p ) / sizeof( Byte ); n++ )
+ poly |= 1L << ( 31 - p[n] );
+
+ for ( n = 0; n < 256; n++ )
+ {
+ c = (uLong)n;
+ for ( k = 0; k < 8; k++ )
+ c = c & 1 ? poly ^ ( c >> 1 ) : c >> 1;
+ crc_table[n] = c;
+ }
+ crc_table_empty = 0;
}
#else
/* ========================================================================
* Table of CRC-32's of all single-byte values (made by make_crc_table)
*/
static const uLong crc_table[256] = {
- 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,
- 0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
- 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
- 0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL,
- 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L,
- 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L,
- 0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L,
- 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL,
- 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L,
- 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL,
- 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L,
- 0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L,
- 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L,
- 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL,
- 0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL,
- 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L,
- 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL,
- 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L,
- 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L,
- 0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L,
- 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL,
- 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L,
- 0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L,
- 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL,
- 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L,
- 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L,
- 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L,
- 0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L,
- 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L,
- 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL,
- 0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL,
- 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L,
- 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L,
- 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL,
- 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL,
- 0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L,
- 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL,
- 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L,
- 0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL,
- 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L,
- 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL,
- 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L,
- 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L,
- 0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL,
- 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L,
- 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L,
- 0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L,
- 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L,
- 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L,
- 0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L,
- 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL,
- 0x2d02ef8dL
+ 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,
+ 0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
+ 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
+ 0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL,
+ 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L,
+ 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L,
+ 0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L,
+ 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL,
+ 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L,
+ 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL,
+ 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L,
+ 0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L,
+ 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L,
+ 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL,
+ 0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL,
+ 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L,
+ 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL,
+ 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L,
+ 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L,
+ 0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L,
+ 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL,
+ 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L,
+ 0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L,
+ 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL,
+ 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L,
+ 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L,
+ 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L,
+ 0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L,
+ 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L,
+ 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL,
+ 0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL,
+ 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L,
+ 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L,
+ 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL,
+ 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL,
+ 0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L,
+ 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL,
+ 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L,
+ 0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL,
+ 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L,
+ 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL,
+ 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L,
+ 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L,
+ 0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL,
+ 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L,
+ 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L,
+ 0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L,
+ 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L,
+ 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L,
+ 0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L,
+ 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL,
+ 0x2d02ef8dL
};
#endif
/* =========================================================================
* This function can be used by asm versions of crc32()
*/
-const uLong * get_crc_table()
-{
+const uLong * get_crc_table(){
#ifdef DYNAMIC_CRC_TABLE
- if (crc_table_empty) make_crc_table();
+ if ( crc_table_empty ) {
+ make_crc_table();
+ }
#endif
- return (const uLong *)crc_table;
+ return (const uLong *)crc_table;
}
/* ========================================================================= */
-#define DO1(buf) crc = crc_table[((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8);
-#define DO2(buf) DO1(buf); DO1(buf);
-#define DO4(buf) DO2(buf); DO2(buf);
-#define DO8(buf) DO4(buf); DO4(buf);
+#define DO1( buf ) crc = crc_table[( (int)crc ^ ( *buf++ ) ) & 0xff] ^ ( crc >> 8 );
+#define DO2( buf ) DO1( buf ); DO1( buf );
+#define DO4( buf ) DO2( buf ); DO2( buf );
+#define DO8( buf ) DO4( buf ); DO4( buf );
/* ========================================================================= */
-uLong crc32(uLong crc, const Byte *buf, uInt len)
-{
- if (buf == Z_NULL) return 0L;
+uLong crc32( uLong crc, const Byte *buf, uInt len ){
+ if ( buf == Z_NULL ) {
+ return 0L;
+ }
#ifdef DYNAMIC_CRC_TABLE
- if (crc_table_empty)
- make_crc_table();
+ if ( crc_table_empty ) {
+ make_crc_table();
+ }
#endif
- crc = crc ^ 0xffffffffL;
- while (len >= 8)
- {
- DO8(buf);
- len -= 8;
- }
- if (len) do {
- DO1(buf);
- } while (--len);
- return crc ^ 0xffffffffL;
+ crc = crc ^ 0xffffffffL;
+ while ( len >= 8 )
+ {
+ DO8( buf );
+ len -= 8;
+ }
+ if ( len ) {
+ do {
+ DO1( buf );
+ } while ( --len );
+ }
+ return crc ^ 0xffffffffL;
}
/* infblock.h -- header to use infblock.c
* Copyright (C) 1995-1998 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
+ * For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
struct inflate_blocks_state;
typedef struct inflate_blocks_state inflate_blocks_statef;
-extern inflate_blocks_statef * inflate_blocks_new OF((
- z_streamp z,
- check_func c, /* check function */
- uInt w)); /* window size */
+extern inflate_blocks_statef * inflate_blocks_new OF( (
+ z_streamp z,
+ check_func c, /* check function */
+ uInt w ) ); /* window size */
-extern int inflate_blocks OF((
- inflate_blocks_statef *,
- z_streamp ,
- int)); /* initial return code */
+extern int inflate_blocks OF( (
+ inflate_blocks_statef *,
+ z_streamp,
+ int ) ); /* initial return code */
-extern void inflate_blocks_reset OF((
- inflate_blocks_statef *,
- z_streamp ,
- uLong *)); /* check value on output */
+extern void inflate_blocks_reset OF( (
+ inflate_blocks_statef *,
+ z_streamp,
+ uLong * ) ); /* check value on output */
-extern int inflate_blocks_free OF((
- inflate_blocks_statef *,
- z_streamp));
+extern int inflate_blocks_free OF( (
+ inflate_blocks_statef *,
+ z_streamp ) );
-extern void inflate_set_dictionary OF((
- inflate_blocks_statef *s,
- const Byte *d, /* dictionary */
- uInt n)); /* dictionary length */
+extern void inflate_set_dictionary OF( (
+ inflate_blocks_statef * s,
+ const Byte * d, /* dictionary */
+ uInt n ) ); /* dictionary length */
-extern int inflate_blocks_sync_point OF((
- inflate_blocks_statef *s));
+extern int inflate_blocks_sync_point OF( (
+ inflate_blocks_statef * s ) );
/* simplify the use of the inflate_huft type with some defines */
#define exop word.what.Exop
/* Table for deflate from PKZIP's appnote.txt. */
static const uInt border[] = { /* Order of the bit length code lengths */
- 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15};
+ 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15
+};
/* inftrees.h -- header to use inftrees.c
* Copyright (C) 1995-1998 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
+ * For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
typedef struct inflate_huft_s inflate_huft;
struct inflate_huft_s {
- union {
- struct {
- Byte Exop; /* number of extra bits or operation */
- Byte Bits; /* number of bits in this code or subcode */
- } what;
- uInt pad; /* pad structure to a power of 2 (4 bytes for */
- } word; /* 16-bit, 8 bytes for 32-bit int's) */
- uInt base; /* literal, length base, distance base,
- or table offset */
+ union {
+ struct {
+ Byte Exop; /* number of extra bits or operation */
+ Byte Bits; /* number of bits in this code or subcode */
+ } what;
+ uInt pad; /* pad structure to a power of 2 (4 bytes for */
+ } word; /* 16-bit, 8 bytes for 32-bit int's) */
+ uInt base; /* literal, length base, distance base,
+ or table offset */
};
/* Maximum size of dynamic tree. The maximum found in a long but non-
value below is more than safe. */
#define MANY 1440
-extern int inflate_trees_bits OF((
- uInt *, /* 19 code lengths */
- uInt *, /* bits tree desired/actual depth */
- inflate_huft * *, /* bits tree result */
- inflate_huft *, /* space for trees */
- z_streamp)); /* for messages */
-
-extern int inflate_trees_dynamic OF((
- uInt, /* number of literal/length codes */
- uInt, /* number of distance codes */
- uInt *, /* that many (total) code lengths */
- uInt *, /* literal desired/actual bit depth */
- uInt *, /* distance desired/actual bit depth */
- inflate_huft * *, /* literal/length tree result */
- inflate_huft * *, /* distance tree result */
- inflate_huft *, /* space for trees */
- z_streamp)); /* for messages */
-
-extern int inflate_trees_fixed OF((
- uInt *, /* literal desired/actual bit depth */
- uInt *, /* distance desired/actual bit depth */
- inflate_huft * *, /* literal/length tree result */
- inflate_huft * *, /* distance tree result */
- z_streamp)); /* for memory allocation */
+extern int inflate_trees_bits OF( (
+ uInt *, /* 19 code lengths */
+ uInt *, /* bits tree desired/actual depth */
+ inflate_huft * *, /* bits tree result */
+ inflate_huft *, /* space for trees */
+ z_streamp ) ); /* for messages */
+
+extern int inflate_trees_dynamic OF( (
+ uInt, /* number of literal/length codes */
+ uInt, /* number of distance codes */
+ uInt *, /* that many (total) code lengths */
+ uInt *, /* literal desired/actual bit depth */
+ uInt *, /* distance desired/actual bit depth */
+ inflate_huft * *, /* literal/length tree result */
+ inflate_huft * *, /* distance tree result */
+ inflate_huft *, /* space for trees */
+ z_streamp ) ); /* for messages */
+
+extern int inflate_trees_fixed OF( (
+ uInt *, /* literal desired/actual bit depth */
+ uInt *, /* distance desired/actual bit depth */
+ inflate_huft * *, /* literal/length tree result */
+ inflate_huft * *, /* distance tree result */
+ z_streamp ) ); /* for memory allocation */
/* infcodes.h -- header to use infcodes.c
* Copyright (C) 1995-1998 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
+ * For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
struct inflate_codes_state;
typedef struct inflate_codes_state inflate_codes_statef;
-extern inflate_codes_statef *inflate_codes_new OF((
- uInt, uInt,
- inflate_huft *, inflate_huft *,
- z_streamp ));
+extern inflate_codes_statef *inflate_codes_new OF( (
+ uInt, uInt,
+ inflate_huft *, inflate_huft *,
+ z_streamp ) );
-extern int inflate_codes OF((
- inflate_blocks_statef *,
- z_streamp ,
- int));
+extern int inflate_codes OF( (
+ inflate_blocks_statef *,
+ z_streamp,
+ int ) );
-extern void inflate_codes_free OF((
- inflate_codes_statef *,
- z_streamp ));
+extern void inflate_codes_free OF( (
+ inflate_codes_statef *,
+ z_streamp ) );
/* infutil.h -- types and macros common to blocks and codes
* Copyright (C) 1995-1998 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
+ * For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
#define _INFUTIL_H
typedef enum {
- TYPE, /* get type bits (3, including end bit) */
- LENS, /* get lengths for stored */
- STORED, /* processing stored block */
- TABLE, /* get table lengths */
- BTREE, /* get bit lengths tree for a dynamic block */
- DTREE, /* get length, distance trees for a dynamic block */
- CODES, /* processing fixed or dynamic block */
- DRY, /* output remaining window bytes */
- DONE, /* finished last block, done */
- BAD} /* got a data error--stuck here */
+ TYPE, /* get type bits (3, including end bit) */
+ LENS, /* get lengths for stored */
+ STORED, /* processing stored block */
+ TABLE, /* get table lengths */
+ BTREE, /* get bit lengths tree for a dynamic block */
+ DTREE, /* get length, distance trees for a dynamic block */
+ CODES, /* processing fixed or dynamic block */
+ DRY, /* output remaining window bytes */
+ DONE, /* finished last block, done */
+ BAD
+} /* got a data error--stuck here */
inflate_block_mode;
/* inflate blocks semi-private state */
struct inflate_blocks_state {
- /* mode */
- inflate_block_mode mode; /* current inflate_block mode */
-
- /* mode dependent information */
- union {
- uInt left; /* if STORED, bytes left to copy */
- struct {
- uInt table; /* table lengths (14 bits) */
- uInt index; /* index into blens (or border) */
- uInt *blens; /* bit lengths of codes */
- uInt bb; /* bit length tree depth */
- inflate_huft *tb; /* bit length decoding tree */
- } trees; /* if DTREE, decoding info for trees */
- struct {
- inflate_codes_statef
- *codes;
- } decode; /* if CODES, current state */
- } sub; /* submode */
- uInt last; /* true if this block is the last block */
-
- /* mode independent information */
- uInt bitk; /* bits in bit buffer */
- uLong bitb; /* bit buffer */
- inflate_huft *hufts; /* single malloc for tree space */
- Byte *window; /* sliding window */
- Byte *end; /* one byte after sliding window */
- Byte *read; /* window read pointer */
- Byte *write; /* window write pointer */
- check_func checkfn; /* check function */
- uLong check; /* check on output */
+ /* mode */
+ inflate_block_mode mode; /* current inflate_block mode */
+
+ /* mode dependent information */
+ union {
+ uInt left; /* if STORED, bytes left to copy */
+ struct {
+ uInt table; /* table lengths (14 bits) */
+ uInt index; /* index into blens (or border) */
+ uInt *blens; /* bit lengths of codes */
+ uInt bb; /* bit length tree depth */
+ inflate_huft *tb; /* bit length decoding tree */
+ } trees; /* if DTREE, decoding info for trees */
+ struct {
+ inflate_codes_statef
+ *codes;
+ } decode; /* if CODES, current state */
+ } sub; /* submode */
+ uInt last; /* true if this block is the last block */
+
+ /* mode independent information */
+ uInt bitk; /* bits in bit buffer */
+ uLong bitb; /* bit buffer */
+ inflate_huft *hufts; /* single malloc for tree space */
+ Byte *window; /* sliding window */
+ Byte *end; /* one byte after sliding window */
+ Byte *read; /* window read pointer */
+ Byte *write; /* window write pointer */
+ check_func checkfn; /* check function */
+ uLong check; /* check on output */
};
/* defines for inflate input/output */
/* update pointers and return */
-#define UPDBITS {s->bitb=b;s->bitk=k;}
-#define UPDIN {z->avail_in=n;z->total_in+=p-z->next_in;z->next_in=p;}
-#define UPDOUT {s->write=q;}
+#define UPDBITS {s->bitb = b; s->bitk = k; }
+#define UPDIN {z->avail_in = n; z->total_in += p - z->next_in; z->next_in = p; }
+#define UPDOUT {s->write = q; }
#define UPDATE {UPDBITS UPDIN UPDOUT}
-#define LEAVE {UPDATE return inflate_flush(s,z,r);}
+#define LEAVE {UPDATE return inflate_flush( s,z,r ); }
/* get bytes and bits */
-#define LOADIN {p=z->next_in;n=z->avail_in;b=s->bitb;k=s->bitk;}
-#define NEEDBYTE {if(n)r=Z_OK;else LEAVE}
-#define NEXTBYTE (n--,*p++)
-#define NEEDBITS(j) {while(k<(j)){NEEDBYTE;b|=((uLong)NEXTBYTE)<<k;k+=8;}}
-#define DUMPBITS(j) {b>>=(j);k-=(j);}
+#define LOADIN {p = z->next_in; n = z->avail_in; b = s->bitb; k = s->bitk; }
+#define NEEDBYTE {if ( n ) {r = Z_OK; }else LEAVE}
+#define NEXTBYTE ( n--,*p++ )
+#define NEEDBITS( j ) {while ( k < ( j ) ) {NEEDBYTE; b |= ( (uLong)NEXTBYTE ) << k; k += 8; }}
+#define DUMPBITS( j ) {b >>= ( j ); k -= ( j ); }
/* output bytes */
-#define WAVAIL (uInt)(q<s->read?s->read-q-1:s->end-q)
-#define LOADOUT {q=s->write;m=(uInt)WAVAIL;}
-#define WRAP {if(q==s->end&&s->read!=s->window){q=s->window;m=(uInt)WAVAIL;}}
-#define FLUSH {UPDOUT r=inflate_flush(s,z,r); LOADOUT}
-#define NEEDOUT {if(m==0){WRAP if(m==0){FLUSH WRAP if(m==0) LEAVE}}r=Z_OK;}
-#define OUTBYTE(a) {*q++=(Byte)(a);m--;}
+#define WAVAIL (uInt)( q < s->read ? s->read - q - 1 : s->end - q )
+#define LOADOUT {q = s->write; m = (uInt)WAVAIL; }
+#define WRAP {if ( q == s->end && s->read != s->window ) {q = s->window; m = (uInt)WAVAIL; }}
+#define FLUSH {UPDOUT r = inflate_flush( s,z,r ); LOADOUT}
+#define NEEDOUT {if ( m == 0 ) {WRAP if ( m == 0 ) {FLUSH WRAP if ( m == 0 ) {LEAVE}} r = Z_OK; }}
+#define OUTBYTE( a ) {*q++ = (Byte)( a ); m--; }
/* load static pointers */
#define LOAD {LOADIN LOADOUT}
extern uInt inflate_mask[17];
/* copy as much as possible from the sliding window to the output area */
-extern int inflate_flush OF((
- inflate_blocks_statef *,
- z_streamp ,
- int));
+extern int inflate_flush OF( (
+ inflate_blocks_statef *,
+ z_streamp,
+ int ) );
#endif
-
+
/*
Notes beyond the 1.93a appnote.txt:
(1+6+6). Therefore, to output three times the length, you output
three codes (1+1+1), whereas to output four times the same length,
you only need two codes (1+3). Hmm.
- 10. In the tree reconstruction algorithm, Code = Code + Increment
+ 10. In the tree reconstruction algorithm, Code = Code + Increment
only if BitLength(i) is not zero. (Pretty obvious.)
- 11. Correction: 4 Bits: # of Bit Length codes - 4 (4 - 19)
- 12. Note: length code 284 can represent 227-258, but length code 285
+ 11. Correction: 4 Bits: # of Bit Length codes - 4 (4 - 19)
+ 12. Note: length code 284 can represent 227-258, but length code 285
really is 258. The last length deserves its own, short code
since it gets used a lot in very redundant files. The length
258 is special since 258 - 3 (the min match length) is 255.
- 13. The literal/length and distance code bit lengths are read as a
+ 13. The literal/length and distance code bit lengths are read as a
single stream of lengths. It is possible (and advantageous) for
a repeat code (16, 17, or 18) to go across the boundary between
the two sets of lengths.
*/
-void inflate_blocks_reset(inflate_blocks_statef *s, z_streamp z, uLong *c)
-{
- if (c != Z_NULL)
- *c = s->check;
- if (s->mode == BTREE || s->mode == DTREE)
- ZFREE(z, s->sub.trees.blens);
- if (s->mode == CODES)
- inflate_codes_free(s->sub.decode.codes, z);
- s->mode = TYPE;
- s->bitk = 0;
- s->bitb = 0;
- s->read = s->write = s->window;
- if (s->checkfn != Z_NULL)
- z->adler = s->check = (*s->checkfn)(0L, (const Byte *)Z_NULL, 0);
- Tracev(("inflate: blocks reset\n"));
+void inflate_blocks_reset( inflate_blocks_statef *s, z_streamp z, uLong *c ){
+ if ( c != Z_NULL ) {
+ *c = s->check;
+ }
+ if ( s->mode == BTREE || s->mode == DTREE ) {
+ ZFREE( z, s->sub.trees.blens );
+ }
+ if ( s->mode == CODES ) {
+ inflate_codes_free( s->sub.decode.codes, z );
+ }
+ s->mode = TYPE;
+ s->bitk = 0;
+ s->bitb = 0;
+ s->read = s->write = s->window;
+ if ( s->checkfn != Z_NULL ) {
+ z->adler = s->check = ( *s->checkfn )( 0L, (const Byte *)Z_NULL, 0 );
+ }
+ Tracev( ( "inflate: blocks reset\n" ) );
}
-inflate_blocks_statef *inflate_blocks_new(z_streamp z, check_func c, uInt w)
-{
- inflate_blocks_statef *s;
-
- if ((s = (inflate_blocks_statef *)ZALLOC
- (z,1,sizeof(struct inflate_blocks_state))) == Z_NULL)
- return s;
- if ((s->hufts =
- (inflate_huft *)ZALLOC(z, sizeof(inflate_huft), MANY)) == Z_NULL)
- {
- ZFREE(z, s);
- return Z_NULL;
- }
- if ((s->window = (Byte *)ZALLOC(z, 1, w)) == Z_NULL)
- {
- ZFREE(z, s->hufts);
- ZFREE(z, s);
- return Z_NULL;
- }
- s->end = s->window + w;
- s->checkfn = c;
- s->mode = TYPE;
- Tracev(("inflate: blocks allocated\n"));
- inflate_blocks_reset(s, z, Z_NULL);
- return s;
+inflate_blocks_statef *inflate_blocks_new( z_streamp z, check_func c, uInt w ){
+ inflate_blocks_statef *s;
+
+ if ( ( s = (inflate_blocks_statef *)ZALLOC
+ ( z,1,sizeof( struct inflate_blocks_state ) ) ) == Z_NULL ) {
+ return s;
+ }
+ if ( ( s->hufts =
+ (inflate_huft *)ZALLOC( z, sizeof( inflate_huft ), MANY ) ) == Z_NULL ) {
+ ZFREE( z, s );
+ return Z_NULL;
+ }
+ if ( ( s->window = (Byte *)ZALLOC( z, 1, w ) ) == Z_NULL ) {
+ ZFREE( z, s->hufts );
+ ZFREE( z, s );
+ return Z_NULL;
+ }
+ s->end = s->window + w;
+ s->checkfn = c;
+ s->mode = TYPE;
+ Tracev( ( "inflate: blocks allocated\n" ) );
+ inflate_blocks_reset( s, z, Z_NULL );
+ return s;
}
-int inflate_blocks(inflate_blocks_statef *s, z_streamp z, int r)
-{
- uInt t; /* temporary storage */
- uLong b; /* bit buffer */
- uInt k; /* bits in bit buffer */
- Byte *p; /* input data pointer */
- uInt n; /* bytes available there */
- Byte *q; /* output window write pointer */
- uInt m; /* bytes to end of window or read pointer */
-
- /* copy input/output information to locals (UPDATE macro restores) */
- LOAD
-
- /* process input based on current state */
- while (1) switch (s->mode)
- {
- case TYPE:
- NEEDBITS(3)
- t = (uInt)b & 7;
- s->last = t & 1;
- switch (t >> 1)
- {
- case 0: /* stored */
- Tracev(("inflate: stored block%s\n",
- s->last ? " (last)" : ""));
- DUMPBITS(3)
- t = k & 7; /* go to byte boundary */
- DUMPBITS(t)
- s->mode = LENS; /* get length of stored block */
- break;
- case 1: /* fixed */
- Tracev(("inflate: fixed codes block%s\n",
- s->last ? " (last)" : ""));
- {
- uInt bl, bd;
- inflate_huft *tl, *td;
-
- inflate_trees_fixed(&bl, &bd, &tl, &td, z);
- s->sub.decode.codes = inflate_codes_new(bl, bd, tl, td, z);
- if (s->sub.decode.codes == Z_NULL)
- {
- r = Z_MEM_ERROR;
- LEAVE
- }
- }
- DUMPBITS(3)
- s->mode = CODES;
- break;
- case 2: /* dynamic */
- Tracev(("inflate: dynamic codes block%s\n",
- s->last ? " (last)" : ""));
- DUMPBITS(3)
- s->mode = TABLE;
- break;
- case 3: /* illegal */
- DUMPBITS(3)
- s->mode = BAD;
- z->msg = (char*)"invalid block type";
- r = Z_DATA_ERROR;
- LEAVE
- }
- break;
- case LENS:
- NEEDBITS(32)
- if ((((~b) >> 16) & 0xffff) != (b & 0xffff))
- {
- s->mode = BAD;
- z->msg = (char*)"invalid stored block lengths";
- r = Z_DATA_ERROR;
- LEAVE
- }
- s->sub.left = (uInt)b & 0xffff;
- b = k = 0; /* dump bits */
- Tracev(("inflate: stored length %u\n", s->sub.left));
- s->mode = s->sub.left ? STORED : (s->last ? DRY : TYPE);
- break;
- case STORED:
- if (n == 0)
- LEAVE
- NEEDOUT
- t = s->sub.left;
- if (t > n) t = n;
- if (t > m) t = m;
- zmemcpy(q, p, t);
- p += t; n -= t;
- q += t; m -= t;
- if ((s->sub.left -= t) != 0)
- break;
- Tracev(("inflate: stored end, %lu total out\n",
- z->total_out + (q >= s->read ? q - s->read :
- (s->end - s->read) + (q - s->window))));
- s->mode = s->last ? DRY : TYPE;
- break;
- case TABLE:
- NEEDBITS(14)
- s->sub.trees.table = t = (uInt)b & 0x3fff;
+int inflate_blocks( inflate_blocks_statef *s, z_streamp z, int r ){
+ uInt t; /* temporary storage */
+ uLong b; /* bit buffer */
+ uInt k; /* bits in bit buffer */
+ Byte *p; /* input data pointer */
+ uInt n; /* bytes available there */
+ Byte *q; /* output window write pointer */
+ uInt m; /* bytes to end of window or read pointer */
+
+ /* copy input/output information to locals (UPDATE macro restores) */
+ LOAD
+
+ /* process input based on current state */
+ while ( 1 ) switch ( s->mode )
+ {
+ case TYPE:
+ NEEDBITS( 3 )
+ t = (uInt)b & 7;
+ s->last = t & 1;
+ switch ( t >> 1 )
+ {
+ case 0: /* stored */
+ Tracev( ( "inflate: stored block%s\n",
+ s->last ? " (last)" : "" ) );
+ DUMPBITS( 3 )
+ t = k & 7; /* go to byte boundary */
+ DUMPBITS( t )
+ s->mode = LENS; /* get length of stored block */
+ break;
+ case 1: /* fixed */
+ Tracev( ( "inflate: fixed codes block%s\n",
+ s->last ? " (last)" : "" ) );
+ {
+ uInt bl, bd;
+ inflate_huft *tl, *td;
+
+ inflate_trees_fixed( &bl, &bd, &tl, &td, z );
+ s->sub.decode.codes = inflate_codes_new( bl, bd, tl, td, z );
+ if ( s->sub.decode.codes == Z_NULL ) {
+ r = Z_MEM_ERROR;
+ LEAVE
+ }
+ }
+ DUMPBITS( 3 )
+ s->mode = CODES;
+ break;
+ case 2: /* dynamic */
+ Tracev( ( "inflate: dynamic codes block%s\n",
+ s->last ? " (last)" : "" ) );
+ DUMPBITS( 3 )
+ s->mode = TABLE;
+ break;
+ case 3: /* illegal */
+ DUMPBITS( 3 )
+ s->mode = BAD;
+ z->msg = (char*)"invalid block type";
+ r = Z_DATA_ERROR;
+ LEAVE
+ }
+ break;
+ case LENS:
+ NEEDBITS( 32 )
+ if ( ( ( ( ~b ) >> 16 ) & 0xffff ) != ( b & 0xffff ) ) {
+ s->mode = BAD;
+ z->msg = (char*)"invalid stored block lengths";
+ r = Z_DATA_ERROR;
+ LEAVE
+ }
+ s->sub.left = (uInt)b & 0xffff;
+ b = k = 0; /* dump bits */
+ Tracev( ( "inflate: stored length %u\n", s->sub.left ) );
+ s->mode = s->sub.left ? STORED : ( s->last ? DRY : TYPE );
+ break;
+ case STORED:
+ if ( n == 0 ) {
+ LEAVE
+ NEEDOUT
+ t = s->sub.left;
+ }
+ if ( t > n ) {
+ t = n;
+ }
+ if ( t > m ) {
+ t = m;
+ }
+ zmemcpy( q, p, t );
+ p += t; n -= t;
+ q += t; m -= t;
+ if ( ( s->sub.left -= t ) != 0 ) {
+ break;
+ }
+ Tracev( ( "inflate: stored end, %lu total out\n",
+ z->total_out + ( q >= s->read ? q - s->read :
+ ( s->end - s->read ) + ( q - s->window ) ) ) );
+ s->mode = s->last ? DRY : TYPE;
+ break;
+ case TABLE:
+ NEEDBITS( 14 )
+ s->sub.trees.table = t = (uInt)b & 0x3fff;
#ifndef PKZIP_BUG_WORKAROUND
- if ((t & 0x1f) > 29 || ((t >> 5) & 0x1f) > 29)
- {
- s->mode = BAD;
- z->msg = (char*)"too many length or distance symbols";
- r = Z_DATA_ERROR;
- LEAVE
- }
+ if ( ( t & 0x1f ) > 29 || ( ( t >> 5 ) & 0x1f ) > 29 ) {
+ s->mode = BAD;
+ z->msg = (char*)"too many length or distance symbols";
+ r = Z_DATA_ERROR;
+ LEAVE
+ }
#endif
- t = 258 + (t & 0x1f) + ((t >> 5) & 0x1f);
- if ((s->sub.trees.blens = (uInt*)ZALLOC(z, t, sizeof(uInt))) == Z_NULL)
- {
- r = Z_MEM_ERROR;
- LEAVE
- }
- DUMPBITS(14)
- s->sub.trees.index = 0;
- Tracev(("inflate: table sizes ok\n"));
- s->mode = BTREE;
- case BTREE:
- while (s->sub.trees.index < 4 + (s->sub.trees.table >> 10))
- {
- NEEDBITS(3)
- s->sub.trees.blens[border[s->sub.trees.index++]] = (uInt)b & 7;
- DUMPBITS(3)
- }
- while (s->sub.trees.index < 19)
- s->sub.trees.blens[border[s->sub.trees.index++]] = 0;
- s->sub.trees.bb = 7;
- t = inflate_trees_bits(s->sub.trees.blens, &s->sub.trees.bb,
- &s->sub.trees.tb, s->hufts, z);
- if (t != Z_OK)
- {
- ZFREE(z, s->sub.trees.blens);
- r = t;
- if (r == Z_DATA_ERROR)
- s->mode = BAD;
- LEAVE
- }
- s->sub.trees.index = 0;
- Tracev(("inflate: bits tree ok\n"));
- s->mode = DTREE;
- case DTREE:
- while (t = s->sub.trees.table,
- s->sub.trees.index < 258 + (t & 0x1f) + ((t >> 5) & 0x1f))
- {
- inflate_huft *h;
- uInt i, j, c;
-
- t = s->sub.trees.bb;
- NEEDBITS(t)
- h = s->sub.trees.tb + ((uInt)b & inflate_mask[t]);
- t = h->bits;
- c = h->base;
- if (c < 16)
- {
- DUMPBITS(t)
- s->sub.trees.blens[s->sub.trees.index++] = c;
- }
- else /* c == 16..18 */
- {
- i = c == 18 ? 7 : c - 14;
- j = c == 18 ? 11 : 3;
- NEEDBITS(t + i)
- DUMPBITS(t)
- j += (uInt)b & inflate_mask[i];
- DUMPBITS(i)
- i = s->sub.trees.index;
- t = s->sub.trees.table;
- if (i + j > 258 + (t & 0x1f) + ((t >> 5) & 0x1f) ||
- (c == 16 && i < 1))
- {
- ZFREE(z, s->sub.trees.blens);
- s->mode = BAD;
- z->msg = (char*)"invalid bit length repeat";
- r = Z_DATA_ERROR;
- LEAVE
- }
- c = c == 16 ? s->sub.trees.blens[i - 1] : 0;
- do {
- s->sub.trees.blens[i++] = c;
- } while (--j);
- s->sub.trees.index = i;
- }
- }
- s->sub.trees.tb = Z_NULL;
- {
- uInt bl, bd;
- inflate_huft *tl, *td;
- inflate_codes_statef *c;
-
- bl = 9; /* must be <= 9 for lookahead assumptions */
- bd = 6; /* must be <= 9 for lookahead assumptions */
- t = s->sub.trees.table;
- t = inflate_trees_dynamic(257 + (t & 0x1f), 1 + ((t >> 5) & 0x1f),
- s->sub.trees.blens, &bl, &bd, &tl, &td,
- s->hufts, z);
- ZFREE(z, s->sub.trees.blens);
- if (t != Z_OK)
- {
- if (t == (uInt)Z_DATA_ERROR)
- s->mode = BAD;
- r = t;
- LEAVE
- }
- Tracev(("inflate: trees ok\n"));
- if ((c = inflate_codes_new(bl, bd, tl, td, z)) == Z_NULL)
- {
- r = Z_MEM_ERROR;
- LEAVE
- }
- s->sub.decode.codes = c;
- }
- s->mode = CODES;
- case CODES:
- UPDATE
- if ((r = inflate_codes(s, z, r)) != Z_STREAM_END)
- return inflate_flush(s, z, r);
- r = Z_OK;
- inflate_codes_free(s->sub.decode.codes, z);
- LOAD
- Tracev(("inflate: codes end, %lu total out\n",
- z->total_out + (q >= s->read ? q - s->read :
- (s->end - s->read) + (q - s->window))));
- if (!s->last)
- {
- s->mode = TYPE;
- break;
- }
- s->mode = DRY;
- case DRY:
- FLUSH
- if (s->read != s->write)
- LEAVE
- s->mode = DONE;
- case DONE:
- r = Z_STREAM_END;
- LEAVE
- case BAD:
- r = Z_DATA_ERROR;
- LEAVE
- default:
- r = Z_STREAM_ERROR;
- LEAVE
- }
+ t = 258 + ( t & 0x1f ) + ( ( t >> 5 ) & 0x1f );
+ if ( ( s->sub.trees.blens = (uInt*)ZALLOC( z, t, sizeof( uInt ) ) ) == Z_NULL ) {
+ r = Z_MEM_ERROR;
+ LEAVE
+ }
+ DUMPBITS( 14 )
+ s->sub.trees.index = 0;
+ Tracev( ( "inflate: table sizes ok\n" ) );
+ s->mode = BTREE;
+ case BTREE:
+ while ( s->sub.trees.index < 4 + ( s->sub.trees.table >> 10 ) )
+ {
+ NEEDBITS( 3 )
+ s->sub.trees.blens[border[s->sub.trees.index++]] = (uInt)b & 7;
+ DUMPBITS( 3 )
+ }
+ while ( s->sub.trees.index < 19 )
+ s->sub.trees.blens[border[s->sub.trees.index++]] = 0;
+ s->sub.trees.bb = 7;
+ t = inflate_trees_bits( s->sub.trees.blens, &s->sub.trees.bb,
+ &s->sub.trees.tb, s->hufts, z );
+ if ( t != Z_OK ) {
+ ZFREE( z, s->sub.trees.blens );
+ r = t;
+ if ( r == Z_DATA_ERROR ) {
+ s->mode = BAD;
+ }
+ LEAVE
+ }
+ s->sub.trees.index = 0;
+ Tracev( ( "inflate: bits tree ok\n" ) );
+ s->mode = DTREE;
+ case DTREE:
+ while ( t = s->sub.trees.table,
+ s->sub.trees.index < 258 + ( t & 0x1f ) + ( ( t >> 5 ) & 0x1f ) )
+ {
+ inflate_huft *h;
+ uInt i, j, c;
+
+ t = s->sub.trees.bb;
+ NEEDBITS( t )
+ h = s->sub.trees.tb + ( (uInt)b & inflate_mask[t] );
+ t = h->bits;
+ c = h->base;
+ if ( c < 16 ) {
+ DUMPBITS( t )
+ s->sub.trees.blens[s->sub.trees.index++] = c;
+ }
+ else /* c == 16..18 */
+ {
+ i = c == 18 ? 7 : c - 14;
+ j = c == 18 ? 11 : 3;
+ NEEDBITS( t + i )
+ DUMPBITS( t )
+ j += (uInt)b & inflate_mask[i];
+ DUMPBITS( i )
+ i = s->sub.trees.index;
+ t = s->sub.trees.table;
+ if ( i + j > 258 + ( t & 0x1f ) + ( ( t >> 5 ) & 0x1f ) ||
+ ( c == 16 && i < 1 ) ) {
+ ZFREE( z, s->sub.trees.blens );
+ s->mode = BAD;
+ z->msg = (char*)"invalid bit length repeat";
+ r = Z_DATA_ERROR;
+ LEAVE
+ }
+ c = c == 16 ? s->sub.trees.blens[i - 1] : 0;
+ do {
+ s->sub.trees.blens[i++] = c;
+ } while ( --j );
+ s->sub.trees.index = i;
+ }
+ }
+ s->sub.trees.tb = Z_NULL;
+ {
+ uInt bl, bd;
+ inflate_huft *tl, *td;
+ inflate_codes_statef *c;
+
+ bl = 9; /* must be <= 9 for lookahead assumptions */
+ bd = 6; /* must be <= 9 for lookahead assumptions */
+ t = s->sub.trees.table;
+ t = inflate_trees_dynamic( 257 + ( t & 0x1f ), 1 + ( ( t >> 5 ) & 0x1f ),
+ s->sub.trees.blens, &bl, &bd, &tl, &td,
+ s->hufts, z );
+ ZFREE( z, s->sub.trees.blens );
+ if ( t != Z_OK ) {
+ if ( t == (uInt)Z_DATA_ERROR ) {
+ s->mode = BAD;
+ }
+ r = t;
+ LEAVE
+ }
+ Tracev( ( "inflate: trees ok\n" ) );
+ if ( ( c = inflate_codes_new( bl, bd, tl, td, z ) ) == Z_NULL ) {
+ r = Z_MEM_ERROR;
+ LEAVE
+ }
+ s->sub.decode.codes = c;
+ }
+ s->mode = CODES;
+ case CODES:
+ UPDATE
+ if ( ( r = inflate_codes( s, z, r ) ) != Z_STREAM_END ) {
+ return inflate_flush( s, z, r );
+ }
+ r = Z_OK;
+ inflate_codes_free( s->sub.decode.codes, z );
+ LOAD
+ Tracev( ( "inflate: codes end, %lu total out\n",
+ z->total_out + ( q >= s->read ? q - s->read :
+ ( s->end - s->read ) + ( q - s->window ) ) ) );
+ if ( !s->last ) {
+ s->mode = TYPE;
+ break;
+ }
+ s->mode = DRY;
+ case DRY:
+ FLUSH
+ if ( s->read != s->write ) {
+ LEAVE
+ s->mode = DONE;
+ }
+ case DONE:
+ r = Z_STREAM_END;
+ LEAVE
+ case BAD:
+ r = Z_DATA_ERROR;
+ LEAVE
+ default:
+ r = Z_STREAM_ERROR;
+ LEAVE
+ }
}
-int inflate_blocks_free(inflate_blocks_statef *s, z_streamp z)
-{
- inflate_blocks_reset(s, z, Z_NULL);
- ZFREE(z, s->window);
- ZFREE(z, s->hufts);
- ZFREE(z, s);
- Tracev(("inflate: blocks freed\n"));
- return Z_OK;
+int inflate_blocks_free( inflate_blocks_statef *s, z_streamp z ){
+ inflate_blocks_reset( s, z, Z_NULL );
+ ZFREE( z, s->window );
+ ZFREE( z, s->hufts );
+ ZFREE( z, s );
+ Tracev( ( "inflate: blocks freed\n" ) );
+ return Z_OK;
}
-void inflate_set_dictionary(inflate_blocks_statef *s, const Byte *d, uInt n)
-{
- zmemcpy(s->window, d, n);
- s->read = s->write = s->window + n;
+void inflate_set_dictionary( inflate_blocks_statef *s, const Byte *d, uInt n ){
+ zmemcpy( s->window, d, n );
+ s->read = s->write = s->window + n;
}
/* Returns true if inflate is currently at the end of a block generated
- * by Z_SYNC_FLUSH or Z_FULL_FLUSH.
+ * by Z_SYNC_FLUSH or Z_FULL_FLUSH.
* IN assertion: s != Z_NULL
*/
-int inflate_blocks_sync_point(inflate_blocks_statef *s)
-{
- return s->mode == LENS;
+int inflate_blocks_sync_point( inflate_blocks_statef *s ){
+ return s->mode == LENS;
}
/* And'ing with mask[n] masks the lower n bits */
uInt inflate_mask[17] = {
- 0x0000,
- 0x0001, 0x0003, 0x0007, 0x000f, 0x001f, 0x003f, 0x007f, 0x00ff,
- 0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff
+ 0x0000,
+ 0x0001, 0x0003, 0x0007, 0x000f, 0x001f, 0x003f, 0x007f, 0x00ff,
+ 0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff
};
/* copy as much as possible from the sliding window to the output area */
-int inflate_flush(inflate_blocks_statef *s, z_streamp z, int r)
-{
- uInt n;
- Byte *p;
- Byte *q;
-
- /* static copies of source and destination pointers */
- p = z->next_out;
- q = s->read;
-
- /* compute number of bytes to copy as as end of window */
- n = (uInt)((q <= s->write ? s->write : s->end) - q);
- if (n > z->avail_out) n = z->avail_out;
- if (n && r == Z_BUF_ERROR) r = Z_OK;
-
- /* update counters */
- z->avail_out -= n;
- z->total_out += n;
-
- /* update check information */
- if (s->checkfn != Z_NULL)
- z->adler = s->check = (*s->checkfn)(s->check, q, n);
-
- /* copy as as end of window */
- zmemcpy(p, q, n);
- p += n;
- q += n;
-
- /* see if more to copy at beginning of window */
- if (q == s->end)
- {
- /* wrap pointers */
- q = s->window;
- if (s->write == s->end)
- s->write = s->window;
-
- /* compute bytes to copy */
- n = (uInt)(s->write - q);
- if (n > z->avail_out) n = z->avail_out;
- if (n && r == Z_BUF_ERROR) r = Z_OK;
-
- /* update counters */
- z->avail_out -= n;
- z->total_out += n;
-
- /* update check information */
- if (s->checkfn != Z_NULL)
- z->adler = s->check = (*s->checkfn)(s->check, q, n);
-
- /* copy */
- zmemcpy(p, q, n);
- p += n;
- q += n;
- }
-
- /* update pointers */
- z->next_out = p;
- s->read = q;
-
- /* done */
- return r;
+int inflate_flush( inflate_blocks_statef *s, z_streamp z, int r ){
+ uInt n;
+ Byte *p;
+ Byte *q;
+
+ /* static copies of source and destination pointers */
+ p = z->next_out;
+ q = s->read;
+
+ /* compute number of bytes to copy as as end of window */
+ n = (uInt)( ( q <= s->write ? s->write : s->end ) - q );
+ if ( n > z->avail_out ) {
+ n = z->avail_out;
+ }
+ if ( n && r == Z_BUF_ERROR ) {
+ r = Z_OK;
+ }
+
+ /* update counters */
+ z->avail_out -= n;
+ z->total_out += n;
+
+ /* update check information */
+ if ( s->checkfn != Z_NULL ) {
+ z->adler = s->check = ( *s->checkfn )( s->check, q, n );
+ }
+
+ /* copy as as end of window */
+ zmemcpy( p, q, n );
+ p += n;
+ q += n;
+
+ /* see if more to copy at beginning of window */
+ if ( q == s->end ) {
+ /* wrap pointers */
+ q = s->window;
+ if ( s->write == s->end ) {
+ s->write = s->window;
+ }
+
+ /* compute bytes to copy */
+ n = (uInt)( s->write - q );
+ if ( n > z->avail_out ) {
+ n = z->avail_out;
+ }
+ if ( n && r == Z_BUF_ERROR ) {
+ r = Z_OK;
+ }
+
+ /* update counters */
+ z->avail_out -= n;
+ z->total_out += n;
+
+ /* update check information */
+ if ( s->checkfn != Z_NULL ) {
+ z->adler = s->check = ( *s->checkfn )( s->check, q, n );
+ }
+
+ /* copy */
+ zmemcpy( p, q, n );
+ p += n;
+ q += n;
+ }
+
+ /* update pointers */
+ z->next_out = p;
+ s->read = q;
+
+ /* done */
+ return r;
}
/* inftrees.c -- generate Huffman trees for efficient decoding
* Copyright (C) 1995-1998 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
+ * For conditions of distribution and use, see copyright notice in zlib.h
*/
const char inflate_copyright[] =
- " inflate 1.1.3 Copyright 1995-1998 Mark Adler ";
+ " inflate 1.1.3 Copyright 1995-1998 Mark Adler ";
/*
- If you use the zlib library in a product, an acknowledgment is welcome
- in the documentation of your product. If for some reason you cannot
- include such an acknowledgment, I would appreciate that you keep this
- copyright string in the executable of your product.
+ If you use the zlib library in a product, an acknowledgment is welcome
+ in the documentation of your product. If for some reason you cannot
+ include such an acknowledgment, I would appreciate that you keep this
+ copyright string in the executable of your product.
*/
/* simplify the use of the inflate_huft type with some defines */
#define bits word.what.Bits
-static int huft_build OF((
- uInt *, /* code lengths in bits */
- uInt, /* number of codes */
- uInt, /* number of "simple" codes */
- const uInt *, /* list of base values for non-simple codes */
- const uInt *, /* list of extra bits for non-simple codes */
- inflate_huft **, /* result: starting table */
- uInt *, /* maximum lookup bits (returns actual) */
- inflate_huft *, /* space for trees */
- uInt *, /* hufts used in space */
- uInt * )); /* space for values */
+static int huft_build OF( (
+ uInt *, /* code lengths in bits */
+ uInt, /* number of codes */
+ uInt, /* number of "simple" codes */
+ const uInt *, /* list of base values for non-simple codes */
+ const uInt *, /* list of extra bits for non-simple codes */
+ inflate_huft * *, /* result: starting table */
+ uInt *, /* maximum lookup bits (returns actual) */
+ inflate_huft *, /* space for trees */
+ uInt *, /* hufts used in space */
+ uInt * ) ); /* space for values */
/* Tables for deflate from PKZIP's appnote.txt. */
static const uInt cplens[31] = { /* Copy lengths for literal codes 257..285 */
- 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
- 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
- /* see note #13 above about 258 */
+ 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
+ 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0
+};
+/* see note #13 above about 258 */
static const uInt cplext[31] = { /* Extra bits for literal codes 257..285 */
- 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2,
- 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0, 112, 112}; /* 112==invalid */
+ 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2,
+ 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0, 112, 112
+}; /* 112==invalid */
static const uInt cpdist[30] = { /* Copy offsets for distance codes 0..29 */
- 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
- 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
- 8193, 12289, 16385, 24577};
+ 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
+ 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
+ 8193, 12289, 16385, 24577
+};
static const uInt cpdext[30] = { /* Extra bits for distance codes */
- 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6,
- 7, 7, 8, 8, 9, 9, 10, 10, 11, 11,
- 12, 12, 13, 13};
+ 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6,
+ 7, 7, 8, 8, 9, 9, 10, 10, 11, 11,
+ 12, 12, 13, 13
+};
/*
Huffman code decoding is performed using a multi-level table lookup.
/* If BMAX needs to be larger than 16, then h and x[] should be uLong. */
#define BMAX 15 /* maximum bit length of any code */
-static int huft_build(uInt *b, uInt n, uInt s, const uInt *d, const uInt *e, inflate_huft ** t, uInt *m, inflate_huft *hp, uInt *hn, uInt *v)
+static int huft_build( uInt *b, uInt n, uInt s, const uInt *d, const uInt *e, inflate_huft ** t, uInt *m, inflate_huft *hp, uInt *hn, uInt *v ){
//uInt *b; /* code lengths in bits (all assumed <= BMAX) */
//uInt n; /* number of codes (assumed <= 288) */
//uInt s; /* number of simple-valued codes (0..s-1) */
if the given code set is incomplete (the tables are still built in this
case), Z_DATA_ERROR if the input is invalid (an over-subscribed set of
lengths), or Z_MEM_ERROR if not enough memory. */
-{
-
- uInt a; /* counter for codes of length k */
- uInt c[BMAX+1]; /* bit length count table */
- uInt f; /* i repeats in table every f entries */
- int g; /* maximum code length */
- int h; /* table level */
- register uInt i; /* counter, current code */
- register uInt j; /* counter */
- register int k; /* number of bits in current code */
- int l; /* bits per table (returned in m) */
- uInt mask; /* (1 << w) - 1, to avoid cc -O bug on HP */
- register uInt *p; /* pointer into c[], b[], or v[] */
- inflate_huft *q; /* points to current table */
- struct inflate_huft_s r; /* table entry for structure assignment */
- inflate_huft *u[BMAX]; /* table stack */
- register int w; /* bits before this table == (l * h) */
- uInt x[BMAX+1]; /* bit offsets, then code stack */
- uInt *xp; /* pointer into x */
- int y; /* number of dummy codes added */
- uInt z; /* number of entries in current table */
-
-
- /* Generate counts for each bit length */
- p = c;
+
+ uInt a; /* counter for codes of length k */
+ uInt c[BMAX + 1]; /* bit length count table */
+ uInt f; /* i repeats in table every f entries */
+ int g; /* maximum code length */
+ int h; /* table level */
+ register uInt i; /* counter, current code */
+ register uInt j; /* counter */
+ register int k; /* number of bits in current code */
+ int l; /* bits per table (returned in m) */
+ uInt mask; /* (1 << w) - 1, to avoid cc -O bug on HP */
+ register uInt *p; /* pointer into c[], b[], or v[] */
+ inflate_huft *q; /* points to current table */
+ struct inflate_huft_s r; /* table entry for structure assignment */
+ inflate_huft *u[BMAX]; /* table stack */
+ register int w; /* bits before this table == (l * h) */
+ uInt x[BMAX + 1]; /* bit offsets, then code stack */
+ uInt *xp; /* pointer into x */
+ int y; /* number of dummy codes added */
+ uInt z; /* number of entries in current table */
+
+
+ /* Generate counts for each bit length */
+ p = c;
#define C0 *p++ = 0;
#define C2 C0 C0 C0 C0
#define C4 C2 C2 C2 C2
- C4 /* clear c[]--assume BMAX+1 is 16 */
- p = b; i = n;
- do {
- c[*p++]++; /* assume all entries <= BMAX */
- } while (--i);
- if (c[0] == n) /* null input--all zero length codes */
- {
- *t = (inflate_huft *)Z_NULL;
- *m = 0;
- return Z_OK;
- }
-
-
- /* Find minimum and maximum length, bound *m by those */
- l = *m;
- for (j = 1; j <= BMAX; j++)
- if (c[j])
- break;
- k = j; /* minimum code length */
- if ((uInt)l < j)
- l = j;
- for (i = BMAX; i; i--)
- if (c[i])
- break;
- g = i; /* maximum code length */
- if ((uInt)l > i)
- l = i;
- *m = l;
-
-
- /* Adjust last length count to fill out codes, if needed */
- for (y = 1 << j; j < i; j++, y <<= 1)
- if ((y -= c[j]) < 0)
- return Z_DATA_ERROR;
- if ((y -= c[i]) < 0)
- return Z_DATA_ERROR;
- c[i] += y;
-
-
- /* Generate starting offsets into the value table for each length */
- x[1] = j = 0;
- p = c + 1; xp = x + 2;
- while (--i) { /* note that i == g from above */
- *xp++ = (j += *p++);
- }
-
-
- /* Make a table of values in order of bit lengths */
- p = b; i = 0;
- do {
- if ((j = *p++) != 0)
- v[x[j]++] = i;
- } while (++i < n);
- n = x[g]; /* set n to length of v */
-
-
- /* Generate the Huffman codes and for each, make the table entries */
- x[0] = i = 0; /* first Huffman code is zero */
- p = v; /* grab values in bit order */
- h = -1; /* no tables yet--level -1 */
- w = -l; /* bits decoded == (l * h) */
- u[0] = (inflate_huft *)Z_NULL; /* just to keep compilers happy */
- q = (inflate_huft *)Z_NULL; /* ditto */
- z = 0; /* ditto */
-
- /* go through the bit lengths (k already is bits in shortest code) */
- for (; k <= g; k++)
- {
- a = c[k];
- while (a--)
- {
- /* here i is the Huffman code of length k bits for value *p */
- /* make tables up to required level */
- while (k > w + l)
- {
- h++;
- w += l; /* previous table always l bits */
-
- /* compute minimum size table less than or equal to l bits */
- z = g - w;
- z = z > (uInt)l ? l : z; /* table size upper limit */
- if ((f = 1 << (j = k - w)) > a + 1) /* try a k-w bit table */
- { /* too few codes for k-w bit table */
- f -= a + 1; /* deduct codes from patterns left */
- xp = c + k;
- if (j < z)
- while (++j < z) /* try smaller tables up to z bits */
- {
- if ((f <<= 1) <= *++xp)
- break; /* enough codes to use up j bits */
- f -= *xp; /* else deduct codes from patterns */
- }
- }
- z = 1 << j; /* table entries for j-bit table */
-
- /* allocate new table */
- if (*hn + z > MANY) /* (note: doesn't matter for fixed) */
- return Z_MEM_ERROR; /* not enough memory */
- u[h] = q = hp + *hn;
- *hn += z;
-
- /* connect to last table, if there is one */
- if (h)
- {
- x[h] = i; /* save pattern for backing up */
- r.bits = (Byte)l; /* bits to dump before this table */
- r.exop = (Byte)j; /* bits in this table */
- j = i >> (w - l);
- r.base = (uInt)(q - u[h-1] - j); /* offset to this table */
- u[h-1][j] = r; /* connect to last table */
- }
- else
- *t = q; /* first table is returned result */
- }
-
- /* set up table entry in r */
- r.bits = (Byte)(k - w);
- if (p >= v + n)
- r.exop = 128 + 64; /* out of values--invalid code */
- else if (*p < s)
- {
- r.exop = (Byte)(*p < 256 ? 0 : 32 + 64); /* 256 is end-of-block */
- r.base = *p++; /* simple code is just the value */
- }
- else
- {
- r.exop = (Byte)(e[*p - s] + 16 + 64);/* non-simple--look up in lists */
- r.base = d[*p++ - s];
- }
-
- /* fill code-like entries with r */
- f = 1 << (k - w);
- for (j = i >> w; j < z; j += f)
- q[j] = r;
-
- /* backwards increment the k-bit code i */
- for (j = 1 << (k - 1); i & j; j >>= 1)
- i ^= j;
- i ^= j;
-
- /* backup over finished tables */
- mask = (1 << w) - 1; /* needed on HP, cc -O bug */
- while ((i & mask) != x[h])
- {
- h--; /* don't need to update q */
- w -= l;
- mask = (1 << w) - 1;
- }
- }
- }
+ C4 /* clear c[]--assume BMAX+1 is 16 */
+ p = b; i = n;
+ do {
+ c[*p++]++; /* assume all entries <= BMAX */
+ } while ( --i );
+ if ( c[0] == n ) { /* null input--all zero length codes */
+ *t = (inflate_huft *)Z_NULL;
+ *m = 0;
+ return Z_OK;
+ }
+
+
+ /* Find minimum and maximum length, bound *m by those */
+ l = *m;
+ for ( j = 1; j <= BMAX; j++ )
+ if ( c[j] ) {
+ break;
+ }
+ k = j; /* minimum code length */
+ if ( (uInt)l < j ) {
+ l = j;
+ }
+ for ( i = BMAX; i; i-- )
+ if ( c[i] ) {
+ break;
+ }
+ g = i; /* maximum code length */
+ if ( (uInt)l > i ) {
+ l = i;
+ }
+ *m = l;
+
+
+ /* Adjust last length count to fill out codes, if needed */
+ for ( y = 1 << j; j < i; j++, y <<= 1 )
+ if ( ( y -= c[j] ) < 0 ) {
+ return Z_DATA_ERROR;
+ }
+ if ( ( y -= c[i] ) < 0 ) {
+ return Z_DATA_ERROR;
+ }
+ c[i] += y;
+
+
+ /* Generate starting offsets into the value table for each length */
+ x[1] = j = 0;
+ p = c + 1; xp = x + 2;
+ while ( --i ) { /* note that i == g from above */
+ *xp++ = ( j += *p++ );
+ }
+
+
+ /* Make a table of values in order of bit lengths */
+ p = b; i = 0;
+ do {
+ if ( ( j = *p++ ) != 0 ) {
+ v[x[j]++] = i;
+ }
+ } while ( ++i < n );
+ n = x[g]; /* set n to length of v */
- /* Return Z_BUF_ERROR if we were given an incomplete table */
- return y != 0 && g != 1 ? Z_BUF_ERROR : Z_OK;
+ /* Generate the Huffman codes and for each, make the table entries */
+ x[0] = i = 0; /* first Huffman code is zero */
+ p = v; /* grab values in bit order */
+ h = -1; /* no tables yet--level -1 */
+ w = -l; /* bits decoded == (l * h) */
+ u[0] = (inflate_huft *)Z_NULL; /* just to keep compilers happy */
+ q = (inflate_huft *)Z_NULL; /* ditto */
+ z = 0; /* ditto */
+
+ /* go through the bit lengths (k already is bits in shortest code) */
+ for (; k <= g; k++ )
+ {
+ a = c[k];
+ while ( a-- )
+ {
+ /* here i is the Huffman code of length k bits for value *p */
+ /* make tables up to required level */
+ while ( k > w + l )
+ {
+ h++;
+ w += l; /* previous table always l bits */
+
+ /* compute minimum size table less than or equal to l bits */
+ z = g - w;
+ z = z > (uInt)l ? l : z; /* table size upper limit */
+ if ( ( f = 1 << ( j = k - w ) ) > a + 1 ) { /* try a k-w bit table */
+ /* too few codes for k-w bit table */
+ f -= a + 1; /* deduct codes from patterns left */
+ xp = c + k;
+ if ( j < z ) {
+ while ( ++j < z ) /* try smaller tables up to z bits */
+ {
+ if ( ( f <<= 1 ) <= *++xp ) {
+ break; /* enough codes to use up j bits */
+ }
+ f -= *xp; /* else deduct codes from patterns */
+ }
+ }
+ }
+ z = 1 << j; /* table entries for j-bit table */
+
+ /* allocate new table */
+ if ( *hn + z > MANY ) { /* (note: doesn't matter for fixed) */
+ return Z_MEM_ERROR; /* not enough memory */
+ }
+ u[h] = q = hp + *hn;
+ *hn += z;
+
+ /* connect to last table, if there is one */
+ if ( h ) {
+ x[h] = i; /* save pattern for backing up */
+ r.bits = (Byte)l; /* bits to dump before this table */
+ r.exop = (Byte)j; /* bits in this table */
+ j = i >> ( w - l );
+ r.base = (uInt)( q - u[h - 1] - j ); /* offset to this table */
+ u[h - 1][j] = r; /* connect to last table */
+ }
+ else{
+ *t = q; /* first table is returned result */
+ }
+ }
+
+ /* set up table entry in r */
+ r.bits = (Byte)( k - w );
+ if ( p >= v + n ) {
+ r.exop = 128 + 64; /* out of values--invalid code */
+ }
+ else if ( *p < s ) {
+ r.exop = (Byte)( *p < 256 ? 0 : 32 + 64 ); /* 256 is end-of-block */
+ r.base = *p++; /* simple code is just the value */
+ }
+ else
+ {
+ r.exop = (Byte)( e[*p - s] + 16 + 64 ); /* non-simple--look up in lists */
+ r.base = d[*p++ - s];
+ }
+
+ /* fill code-like entries with r */
+ f = 1 << ( k - w );
+ for ( j = i >> w; j < z; j += f )
+ q[j] = r;
+
+ /* backwards increment the k-bit code i */
+ for ( j = 1 << ( k - 1 ); i &j; j >>= 1 )
+ i ^= j;
+ i ^= j;
+
+ /* backup over finished tables */
+ mask = ( 1 << w ) - 1; /* needed on HP, cc -O bug */
+ while ( ( i & mask ) != x[h] )
+ {
+ h--; /* don't need to update q */
+ w -= l;
+ mask = ( 1 << w ) - 1;
+ }
+ }
+ }
+
+
+ /* Return Z_BUF_ERROR if we were given an incomplete table */
+ return y != 0 && g != 1 ? Z_BUF_ERROR : Z_OK;
}
-int inflate_trees_bits(uInt *c, uInt *bb, inflate_huft * *tb, inflate_huft *hp, z_streamp z)
+int inflate_trees_bits( uInt *c, uInt *bb, inflate_huft * *tb, inflate_huft *hp, z_streamp z ){
//uInt *c; /* 19 code lengths */
//uInt *bb; /* bits tree desired/actual depth */
//inflate_huft * *tb; /* bits tree result */
//inflate_huft *hp; /* space for trees */
//z_streamp z; /* for messages */
-{
- int r;
- uInt hn = 0; /* hufts used in space */
- uInt *v; /* work area for huft_build */
-
- if ((v = (uInt*)ZALLOC(z, 19, sizeof(uInt))) == Z_NULL)
- return Z_MEM_ERROR;
- r = huft_build(c, 19, 19, (uInt*)Z_NULL, (uInt*)Z_NULL,
- tb, bb, hp, &hn, v);
- if (r == Z_DATA_ERROR)
- z->msg = (char*)"oversubscribed dynamic bit lengths tree";
- else if (r == Z_BUF_ERROR || *bb == 0)
- {
- z->msg = (char*)"incomplete dynamic bit lengths tree";
- r = Z_DATA_ERROR;
- }
- ZFREE(z, v);
- return r;
+ int r;
+ uInt hn = 0; /* hufts used in space */
+ uInt *v; /* work area for huft_build */
+
+ if ( ( v = (uInt*)ZALLOC( z, 19, sizeof( uInt ) ) ) == Z_NULL ) {
+ return Z_MEM_ERROR;
+ }
+ r = huft_build( c, 19, 19, (uInt*)Z_NULL, (uInt*)Z_NULL,
+ tb, bb, hp, &hn, v );
+ if ( r == Z_DATA_ERROR ) {
+ z->msg = (char*)"oversubscribed dynamic bit lengths tree";
+ }
+ else if ( r == Z_BUF_ERROR || *bb == 0 ) {
+ z->msg = (char*)"incomplete dynamic bit lengths tree";
+ r = Z_DATA_ERROR;
+ }
+ ZFREE( z, v );
+ return r;
}
-int inflate_trees_dynamic(uInt nl, uInt nd, uInt *c, uInt *bl, uInt *bd, inflate_huft * *tl, inflate_huft * *td, inflate_huft *hp, z_streamp z)
+int inflate_trees_dynamic( uInt nl, uInt nd, uInt *c, uInt *bl, uInt *bd, inflate_huft * *tl, inflate_huft * *td, inflate_huft *hp, z_streamp z ){
//uInt nl; /* number of literal/length codes */
//uInt nd; /* number of distance codes */
//uInt *c; /* that many (total) code lengths */
//inflate_huft * *td; /* distance tree result */
//inflate_huft *hp; /* space for trees */
//z_streamp z; /* for messages */
-{
- int r;
- uInt hn = 0; /* hufts used in space */
- uInt *v; /* work area for huft_build */
-
- /* allocate work area */
- if ((v = (uInt*)ZALLOC(z, 288, sizeof(uInt))) == Z_NULL)
- return Z_MEM_ERROR;
-
- /* build literal/length tree */
- r = huft_build(c, nl, 257, cplens, cplext, tl, bl, hp, &hn, v);
- if (r != Z_OK || *bl == 0)
- {
- if (r == Z_DATA_ERROR)
- z->msg = (char*)"oversubscribed literal/length tree";
- else if (r != Z_MEM_ERROR)
- {
- z->msg = (char*)"incomplete literal/length tree";
- r = Z_DATA_ERROR;
- }
- ZFREE(z, v);
- return r;
- }
-
- /* build distance tree */
- r = huft_build(c + nl, nd, 0, cpdist, cpdext, td, bd, hp, &hn, v);
- if (r != Z_OK || (*bd == 0 && nl > 257))
- {
- if (r == Z_DATA_ERROR)
- z->msg = (char*)"oversubscribed distance tree";
- else if (r == Z_BUF_ERROR) {
+ int r;
+ uInt hn = 0; /* hufts used in space */
+ uInt *v; /* work area for huft_build */
+
+ /* allocate work area */
+ if ( ( v = (uInt*)ZALLOC( z, 288, sizeof( uInt ) ) ) == Z_NULL ) {
+ return Z_MEM_ERROR;
+ }
+
+ /* build literal/length tree */
+ r = huft_build( c, nl, 257, cplens, cplext, tl, bl, hp, &hn, v );
+ if ( r != Z_OK || *bl == 0 ) {
+ if ( r == Z_DATA_ERROR ) {
+ z->msg = (char*)"oversubscribed literal/length tree";
+ }
+ else if ( r != Z_MEM_ERROR ) {
+ z->msg = (char*)"incomplete literal/length tree";
+ r = Z_DATA_ERROR;
+ }
+ ZFREE( z, v );
+ return r;
+ }
+
+ /* build distance tree */
+ r = huft_build( c + nl, nd, 0, cpdist, cpdext, td, bd, hp, &hn, v );
+ if ( r != Z_OK || ( *bd == 0 && nl > 257 ) ) {
+ if ( r == Z_DATA_ERROR ) {
+ z->msg = (char*)"oversubscribed distance tree";
+ }
+ else if ( r == Z_BUF_ERROR ) {
#ifdef PKZIP_BUG_WORKAROUND
- r = Z_OK;
- }
+ r = Z_OK;
+ }
#else
- z->msg = (char*)"incomplete distance tree";
- r = Z_DATA_ERROR;
- }
- else if (r != Z_MEM_ERROR)
- {
- z->msg = (char*)"empty distance tree with lengths";
- r = Z_DATA_ERROR;
- }
- ZFREE(z, v);
- return r;
+ z->msg = (char*)"incomplete distance tree";
+ r = Z_DATA_ERROR;
+ }
+ else if ( r != Z_MEM_ERROR ) {
+ z->msg = (char*)"empty distance tree with lengths";
+ r = Z_DATA_ERROR;
+ }
+ ZFREE( z, v );
+ return r;
#endif
- }
+ }
- /* done */
- ZFREE(z, v);
- return Z_OK;
+ /* done */
+ ZFREE( z, v );
+ return Z_OK;
}
/* inffixed.h -- table for decoding fixed codes
static uInt fixed_bl = 9;
static uInt fixed_bd = 5;
static inflate_huft fixed_tl[] = {
- {{{96,7}},256}, {{{0,8}},80}, {{{0,8}},16}, {{{84,8}},115},
- {{{82,7}},31}, {{{0,8}},112}, {{{0,8}},48}, {{{0,9}},192},
- {{{80,7}},10}, {{{0,8}},96}, {{{0,8}},32}, {{{0,9}},160},
- {{{0,8}},0}, {{{0,8}},128}, {{{0,8}},64}, {{{0,9}},224},
- {{{80,7}},6}, {{{0,8}},88}, {{{0,8}},24}, {{{0,9}},144},
- {{{83,7}},59}, {{{0,8}},120}, {{{0,8}},56}, {{{0,9}},208},
- {{{81,7}},17}, {{{0,8}},104}, {{{0,8}},40}, {{{0,9}},176},
- {{{0,8}},8}, {{{0,8}},136}, {{{0,8}},72}, {{{0,9}},240},
- {{{80,7}},4}, {{{0,8}},84}, {{{0,8}},20}, {{{85,8}},227},
- {{{83,7}},43}, {{{0,8}},116}, {{{0,8}},52}, {{{0,9}},200},
- {{{81,7}},13}, {{{0,8}},100}, {{{0,8}},36}, {{{0,9}},168},
- {{{0,8}},4}, {{{0,8}},132}, {{{0,8}},68}, {{{0,9}},232},
- {{{80,7}},8}, {{{0,8}},92}, {{{0,8}},28}, {{{0,9}},152},
- {{{84,7}},83}, {{{0,8}},124}, {{{0,8}},60}, {{{0,9}},216},
- {{{82,7}},23}, {{{0,8}},108}, {{{0,8}},44}, {{{0,9}},184},
- {{{0,8}},12}, {{{0,8}},140}, {{{0,8}},76}, {{{0,9}},248},
- {{{80,7}},3}, {{{0,8}},82}, {{{0,8}},18}, {{{85,8}},163},
- {{{83,7}},35}, {{{0,8}},114}, {{{0,8}},50}, {{{0,9}},196},
- {{{81,7}},11}, {{{0,8}},98}, {{{0,8}},34}, {{{0,9}},164},
- {{{0,8}},2}, {{{0,8}},130}, {{{0,8}},66}, {{{0,9}},228},
- {{{80,7}},7}, {{{0,8}},90}, {{{0,8}},26}, {{{0,9}},148},
- {{{84,7}},67}, {{{0,8}},122}, {{{0,8}},58}, {{{0,9}},212},
- {{{82,7}},19}, {{{0,8}},106}, {{{0,8}},42}, {{{0,9}},180},
- {{{0,8}},10}, {{{0,8}},138}, {{{0,8}},74}, {{{0,9}},244},
- {{{80,7}},5}, {{{0,8}},86}, {{{0,8}},22}, {{{192,8}},0},
- {{{83,7}},51}, {{{0,8}},118}, {{{0,8}},54}, {{{0,9}},204},
- {{{81,7}},15}, {{{0,8}},102}, {{{0,8}},38}, {{{0,9}},172},
- {{{0,8}},6}, {{{0,8}},134}, {{{0,8}},70}, {{{0,9}},236},
- {{{80,7}},9}, {{{0,8}},94}, {{{0,8}},30}, {{{0,9}},156},
- {{{84,7}},99}, {{{0,8}},126}, {{{0,8}},62}, {{{0,9}},220},
- {{{82,7}},27}, {{{0,8}},110}, {{{0,8}},46}, {{{0,9}},188},
- {{{0,8}},14}, {{{0,8}},142}, {{{0,8}},78}, {{{0,9}},252},
- {{{96,7}},256}, {{{0,8}},81}, {{{0,8}},17}, {{{85,8}},131},
- {{{82,7}},31}, {{{0,8}},113}, {{{0,8}},49}, {{{0,9}},194},
- {{{80,7}},10}, {{{0,8}},97}, {{{0,8}},33}, {{{0,9}},162},
- {{{0,8}},1}, {{{0,8}},129}, {{{0,8}},65}, {{{0,9}},226},
- {{{80,7}},6}, {{{0,8}},89}, {{{0,8}},25}, {{{0,9}},146},
- {{{83,7}},59}, {{{0,8}},121}, {{{0,8}},57}, {{{0,9}},210},
- {{{81,7}},17}, {{{0,8}},105}, {{{0,8}},41}, {{{0,9}},178},
- {{{0,8}},9}, {{{0,8}},137}, {{{0,8}},73}, {{{0,9}},242},
- {{{80,7}},4}, {{{0,8}},85}, {{{0,8}},21}, {{{80,8}},258},
- {{{83,7}},43}, {{{0,8}},117}, {{{0,8}},53}, {{{0,9}},202},
- {{{81,7}},13}, {{{0,8}},101}, {{{0,8}},37}, {{{0,9}},170},
- {{{0,8}},5}, {{{0,8}},133}, {{{0,8}},69}, {{{0,9}},234},
- {{{80,7}},8}, {{{0,8}},93}, {{{0,8}},29}, {{{0,9}},154},
- {{{84,7}},83}, {{{0,8}},125}, {{{0,8}},61}, {{{0,9}},218},
- {{{82,7}},23}, {{{0,8}},109}, {{{0,8}},45}, {{{0,9}},186},
- {{{0,8}},13}, {{{0,8}},141}, {{{0,8}},77}, {{{0,9}},250},
- {{{80,7}},3}, {{{0,8}},83}, {{{0,8}},19}, {{{85,8}},195},
- {{{83,7}},35}, {{{0,8}},115}, {{{0,8}},51}, {{{0,9}},198},
- {{{81,7}},11}, {{{0,8}},99}, {{{0,8}},35}, {{{0,9}},166},
- {{{0,8}},3}, {{{0,8}},131}, {{{0,8}},67}, {{{0,9}},230},
- {{{80,7}},7}, {{{0,8}},91}, {{{0,8}},27}, {{{0,9}},150},
- {{{84,7}},67}, {{{0,8}},123}, {{{0,8}},59}, {{{0,9}},214},
- {{{82,7}},19}, {{{0,8}},107}, {{{0,8}},43}, {{{0,9}},182},
- {{{0,8}},11}, {{{0,8}},139}, {{{0,8}},75}, {{{0,9}},246},
- {{{80,7}},5}, {{{0,8}},87}, {{{0,8}},23}, {{{192,8}},0},
- {{{83,7}},51}, {{{0,8}},119}, {{{0,8}},55}, {{{0,9}},206},
- {{{81,7}},15}, {{{0,8}},103}, {{{0,8}},39}, {{{0,9}},174},
- {{{0,8}},7}, {{{0,8}},135}, {{{0,8}},71}, {{{0,9}},238},
- {{{80,7}},9}, {{{0,8}},95}, {{{0,8}},31}, {{{0,9}},158},
- {{{84,7}},99}, {{{0,8}},127}, {{{0,8}},63}, {{{0,9}},222},
- {{{82,7}},27}, {{{0,8}},111}, {{{0,8}},47}, {{{0,9}},190},
- {{{0,8}},15}, {{{0,8}},143}, {{{0,8}},79}, {{{0,9}},254},
- {{{96,7}},256}, {{{0,8}},80}, {{{0,8}},16}, {{{84,8}},115},
- {{{82,7}},31}, {{{0,8}},112}, {{{0,8}},48}, {{{0,9}},193},
- {{{80,7}},10}, {{{0,8}},96}, {{{0,8}},32}, {{{0,9}},161},
- {{{0,8}},0}, {{{0,8}},128}, {{{0,8}},64}, {{{0,9}},225},
- {{{80,7}},6}, {{{0,8}},88}, {{{0,8}},24}, {{{0,9}},145},
- {{{83,7}},59}, {{{0,8}},120}, {{{0,8}},56}, {{{0,9}},209},
- {{{81,7}},17}, {{{0,8}},104}, {{{0,8}},40}, {{{0,9}},177},
- {{{0,8}},8}, {{{0,8}},136}, {{{0,8}},72}, {{{0,9}},241},
- {{{80,7}},4}, {{{0,8}},84}, {{{0,8}},20}, {{{85,8}},227},
- {{{83,7}},43}, {{{0,8}},116}, {{{0,8}},52}, {{{0,9}},201},
- {{{81,7}},13}, {{{0,8}},100}, {{{0,8}},36}, {{{0,9}},169},
- {{{0,8}},4}, {{{0,8}},132}, {{{0,8}},68}, {{{0,9}},233},
- {{{80,7}},8}, {{{0,8}},92}, {{{0,8}},28}, {{{0,9}},153},
- {{{84,7}},83}, {{{0,8}},124}, {{{0,8}},60}, {{{0,9}},217},
- {{{82,7}},23}, {{{0,8}},108}, {{{0,8}},44}, {{{0,9}},185},
- {{{0,8}},12}, {{{0,8}},140}, {{{0,8}},76}, {{{0,9}},249},
- {{{80,7}},3}, {{{0,8}},82}, {{{0,8}},18}, {{{85,8}},163},
- {{{83,7}},35}, {{{0,8}},114}, {{{0,8}},50}, {{{0,9}},197},
- {{{81,7}},11}, {{{0,8}},98}, {{{0,8}},34}, {{{0,9}},165},
- {{{0,8}},2}, {{{0,8}},130}, {{{0,8}},66}, {{{0,9}},229},
- {{{80,7}},7}, {{{0,8}},90}, {{{0,8}},26}, {{{0,9}},149},
- {{{84,7}},67}, {{{0,8}},122}, {{{0,8}},58}, {{{0,9}},213},
- {{{82,7}},19}, {{{0,8}},106}, {{{0,8}},42}, {{{0,9}},181},
- {{{0,8}},10}, {{{0,8}},138}, {{{0,8}},74}, {{{0,9}},245},
- {{{80,7}},5}, {{{0,8}},86}, {{{0,8}},22}, {{{192,8}},0},
- {{{83,7}},51}, {{{0,8}},118}, {{{0,8}},54}, {{{0,9}},205},
- {{{81,7}},15}, {{{0,8}},102}, {{{0,8}},38}, {{{0,9}},173},
- {{{0,8}},6}, {{{0,8}},134}, {{{0,8}},70}, {{{0,9}},237},
- {{{80,7}},9}, {{{0,8}},94}, {{{0,8}},30}, {{{0,9}},157},
- {{{84,7}},99}, {{{0,8}},126}, {{{0,8}},62}, {{{0,9}},221},
- {{{82,7}},27}, {{{0,8}},110}, {{{0,8}},46}, {{{0,9}},189},
- {{{0,8}},14}, {{{0,8}},142}, {{{0,8}},78}, {{{0,9}},253},
- {{{96,7}},256}, {{{0,8}},81}, {{{0,8}},17}, {{{85,8}},131},
- {{{82,7}},31}, {{{0,8}},113}, {{{0,8}},49}, {{{0,9}},195},
- {{{80,7}},10}, {{{0,8}},97}, {{{0,8}},33}, {{{0,9}},163},
- {{{0,8}},1}, {{{0,8}},129}, {{{0,8}},65}, {{{0,9}},227},
- {{{80,7}},6}, {{{0,8}},89}, {{{0,8}},25}, {{{0,9}},147},
- {{{83,7}},59}, {{{0,8}},121}, {{{0,8}},57}, {{{0,9}},211},
- {{{81,7}},17}, {{{0,8}},105}, {{{0,8}},41}, {{{0,9}},179},
- {{{0,8}},9}, {{{0,8}},137}, {{{0,8}},73}, {{{0,9}},243},
- {{{80,7}},4}, {{{0,8}},85}, {{{0,8}},21}, {{{80,8}},258},
- {{{83,7}},43}, {{{0,8}},117}, {{{0,8}},53}, {{{0,9}},203},
- {{{81,7}},13}, {{{0,8}},101}, {{{0,8}},37}, {{{0,9}},171},
- {{{0,8}},5}, {{{0,8}},133}, {{{0,8}},69}, {{{0,9}},235},
- {{{80,7}},8}, {{{0,8}},93}, {{{0,8}},29}, {{{0,9}},155},
- {{{84,7}},83}, {{{0,8}},125}, {{{0,8}},61}, {{{0,9}},219},
- {{{82,7}},23}, {{{0,8}},109}, {{{0,8}},45}, {{{0,9}},187},
- {{{0,8}},13}, {{{0,8}},141}, {{{0,8}},77}, {{{0,9}},251},
- {{{80,7}},3}, {{{0,8}},83}, {{{0,8}},19}, {{{85,8}},195},
- {{{83,7}},35}, {{{0,8}},115}, {{{0,8}},51}, {{{0,9}},199},
- {{{81,7}},11}, {{{0,8}},99}, {{{0,8}},35}, {{{0,9}},167},
- {{{0,8}},3}, {{{0,8}},131}, {{{0,8}},67}, {{{0,9}},231},
- {{{80,7}},7}, {{{0,8}},91}, {{{0,8}},27}, {{{0,9}},151},
- {{{84,7}},67}, {{{0,8}},123}, {{{0,8}},59}, {{{0,9}},215},
- {{{82,7}},19}, {{{0,8}},107}, {{{0,8}},43}, {{{0,9}},183},
- {{{0,8}},11}, {{{0,8}},139}, {{{0,8}},75}, {{{0,9}},247},
- {{{80,7}},5}, {{{0,8}},87}, {{{0,8}},23}, {{{192,8}},0},
- {{{83,7}},51}, {{{0,8}},119}, {{{0,8}},55}, {{{0,9}},207},
- {{{81,7}},15}, {{{0,8}},103}, {{{0,8}},39}, {{{0,9}},175},
- {{{0,8}},7}, {{{0,8}},135}, {{{0,8}},71}, {{{0,9}},239},
- {{{80,7}},9}, {{{0,8}},95}, {{{0,8}},31}, {{{0,9}},159},
- {{{84,7}},99}, {{{0,8}},127}, {{{0,8}},63}, {{{0,9}},223},
- {{{82,7}},27}, {{{0,8}},111}, {{{0,8}},47}, {{{0,9}},191},
- {{{0,8}},15}, {{{0,8}},143}, {{{0,8}},79}, {{{0,9}},255}
- };
+ {{{96,7}},256}, {{{0,8}},80}, {{{0,8}},16}, {{{84,8}},115},
+ {{{82,7}},31}, {{{0,8}},112}, {{{0,8}},48}, {{{0,9}},192},
+ {{{80,7}},10}, {{{0,8}},96}, {{{0,8}},32}, {{{0,9}},160},
+ {{{0,8}},0}, {{{0,8}},128}, {{{0,8}},64}, {{{0,9}},224},
+ {{{80,7}},6}, {{{0,8}},88}, {{{0,8}},24}, {{{0,9}},144},
+ {{{83,7}},59}, {{{0,8}},120}, {{{0,8}},56}, {{{0,9}},208},
+ {{{81,7}},17}, {{{0,8}},104}, {{{0,8}},40}, {{{0,9}},176},
+ {{{0,8}},8}, {{{0,8}},136}, {{{0,8}},72}, {{{0,9}},240},
+ {{{80,7}},4}, {{{0,8}},84}, {{{0,8}},20}, {{{85,8}},227},
+ {{{83,7}},43}, {{{0,8}},116}, {{{0,8}},52}, {{{0,9}},200},
+ {{{81,7}},13}, {{{0,8}},100}, {{{0,8}},36}, {{{0,9}},168},
+ {{{0,8}},4}, {{{0,8}},132}, {{{0,8}},68}, {{{0,9}},232},
+ {{{80,7}},8}, {{{0,8}},92}, {{{0,8}},28}, {{{0,9}},152},
+ {{{84,7}},83}, {{{0,8}},124}, {{{0,8}},60}, {{{0,9}},216},
+ {{{82,7}},23}, {{{0,8}},108}, {{{0,8}},44}, {{{0,9}},184},
+ {{{0,8}},12}, {{{0,8}},140}, {{{0,8}},76}, {{{0,9}},248},
+ {{{80,7}},3}, {{{0,8}},82}, {{{0,8}},18}, {{{85,8}},163},
+ {{{83,7}},35}, {{{0,8}},114}, {{{0,8}},50}, {{{0,9}},196},
+ {{{81,7}},11}, {{{0,8}},98}, {{{0,8}},34}, {{{0,9}},164},
+ {{{0,8}},2}, {{{0,8}},130}, {{{0,8}},66}, {{{0,9}},228},
+ {{{80,7}},7}, {{{0,8}},90}, {{{0,8}},26}, {{{0,9}},148},
+ {{{84,7}},67}, {{{0,8}},122}, {{{0,8}},58}, {{{0,9}},212},
+ {{{82,7}},19}, {{{0,8}},106}, {{{0,8}},42}, {{{0,9}},180},
+ {{{0,8}},10}, {{{0,8}},138}, {{{0,8}},74}, {{{0,9}},244},
+ {{{80,7}},5}, {{{0,8}},86}, {{{0,8}},22}, {{{192,8}},0},
+ {{{83,7}},51}, {{{0,8}},118}, {{{0,8}},54}, {{{0,9}},204},
+ {{{81,7}},15}, {{{0,8}},102}, {{{0,8}},38}, {{{0,9}},172},
+ {{{0,8}},6}, {{{0,8}},134}, {{{0,8}},70}, {{{0,9}},236},
+ {{{80,7}},9}, {{{0,8}},94}, {{{0,8}},30}, {{{0,9}},156},
+ {{{84,7}},99}, {{{0,8}},126}, {{{0,8}},62}, {{{0,9}},220},
+ {{{82,7}},27}, {{{0,8}},110}, {{{0,8}},46}, {{{0,9}},188},
+ {{{0,8}},14}, {{{0,8}},142}, {{{0,8}},78}, {{{0,9}},252},
+ {{{96,7}},256}, {{{0,8}},81}, {{{0,8}},17}, {{{85,8}},131},
+ {{{82,7}},31}, {{{0,8}},113}, {{{0,8}},49}, {{{0,9}},194},
+ {{{80,7}},10}, {{{0,8}},97}, {{{0,8}},33}, {{{0,9}},162},
+ {{{0,8}},1}, {{{0,8}},129}, {{{0,8}},65}, {{{0,9}},226},
+ {{{80,7}},6}, {{{0,8}},89}, {{{0,8}},25}, {{{0,9}},146},
+ {{{83,7}},59}, {{{0,8}},121}, {{{0,8}},57}, {{{0,9}},210},
+ {{{81,7}},17}, {{{0,8}},105}, {{{0,8}},41}, {{{0,9}},178},
+ {{{0,8}},9}, {{{0,8}},137}, {{{0,8}},73}, {{{0,9}},242},
+ {{{80,7}},4}, {{{0,8}},85}, {{{0,8}},21}, {{{80,8}},258},
+ {{{83,7}},43}, {{{0,8}},117}, {{{0,8}},53}, {{{0,9}},202},
+ {{{81,7}},13}, {{{0,8}},101}, {{{0,8}},37}, {{{0,9}},170},
+ {{{0,8}},5}, {{{0,8}},133}, {{{0,8}},69}, {{{0,9}},234},
+ {{{80,7}},8}, {{{0,8}},93}, {{{0,8}},29}, {{{0,9}},154},
+ {{{84,7}},83}, {{{0,8}},125}, {{{0,8}},61}, {{{0,9}},218},
+ {{{82,7}},23}, {{{0,8}},109}, {{{0,8}},45}, {{{0,9}},186},
+ {{{0,8}},13}, {{{0,8}},141}, {{{0,8}},77}, {{{0,9}},250},
+ {{{80,7}},3}, {{{0,8}},83}, {{{0,8}},19}, {{{85,8}},195},
+ {{{83,7}},35}, {{{0,8}},115}, {{{0,8}},51}, {{{0,9}},198},
+ {{{81,7}},11}, {{{0,8}},99}, {{{0,8}},35}, {{{0,9}},166},
+ {{{0,8}},3}, {{{0,8}},131}, {{{0,8}},67}, {{{0,9}},230},
+ {{{80,7}},7}, {{{0,8}},91}, {{{0,8}},27}, {{{0,9}},150},
+ {{{84,7}},67}, {{{0,8}},123}, {{{0,8}},59}, {{{0,9}},214},
+ {{{82,7}},19}, {{{0,8}},107}, {{{0,8}},43}, {{{0,9}},182},
+ {{{0,8}},11}, {{{0,8}},139}, {{{0,8}},75}, {{{0,9}},246},
+ {{{80,7}},5}, {{{0,8}},87}, {{{0,8}},23}, {{{192,8}},0},
+ {{{83,7}},51}, {{{0,8}},119}, {{{0,8}},55}, {{{0,9}},206},
+ {{{81,7}},15}, {{{0,8}},103}, {{{0,8}},39}, {{{0,9}},174},
+ {{{0,8}},7}, {{{0,8}},135}, {{{0,8}},71}, {{{0,9}},238},
+ {{{80,7}},9}, {{{0,8}},95}, {{{0,8}},31}, {{{0,9}},158},
+ {{{84,7}},99}, {{{0,8}},127}, {{{0,8}},63}, {{{0,9}},222},
+ {{{82,7}},27}, {{{0,8}},111}, {{{0,8}},47}, {{{0,9}},190},
+ {{{0,8}},15}, {{{0,8}},143}, {{{0,8}},79}, {{{0,9}},254},
+ {{{96,7}},256}, {{{0,8}},80}, {{{0,8}},16}, {{{84,8}},115},
+ {{{82,7}},31}, {{{0,8}},112}, {{{0,8}},48}, {{{0,9}},193},
+ {{{80,7}},10}, {{{0,8}},96}, {{{0,8}},32}, {{{0,9}},161},
+ {{{0,8}},0}, {{{0,8}},128}, {{{0,8}},64}, {{{0,9}},225},
+ {{{80,7}},6}, {{{0,8}},88}, {{{0,8}},24}, {{{0,9}},145},
+ {{{83,7}},59}, {{{0,8}},120}, {{{0,8}},56}, {{{0,9}},209},
+ {{{81,7}},17}, {{{0,8}},104}, {{{0,8}},40}, {{{0,9}},177},
+ {{{0,8}},8}, {{{0,8}},136}, {{{0,8}},72}, {{{0,9}},241},
+ {{{80,7}},4}, {{{0,8}},84}, {{{0,8}},20}, {{{85,8}},227},
+ {{{83,7}},43}, {{{0,8}},116}, {{{0,8}},52}, {{{0,9}},201},
+ {{{81,7}},13}, {{{0,8}},100}, {{{0,8}},36}, {{{0,9}},169},
+ {{{0,8}},4}, {{{0,8}},132}, {{{0,8}},68}, {{{0,9}},233},
+ {{{80,7}},8}, {{{0,8}},92}, {{{0,8}},28}, {{{0,9}},153},
+ {{{84,7}},83}, {{{0,8}},124}, {{{0,8}},60}, {{{0,9}},217},
+ {{{82,7}},23}, {{{0,8}},108}, {{{0,8}},44}, {{{0,9}},185},
+ {{{0,8}},12}, {{{0,8}},140}, {{{0,8}},76}, {{{0,9}},249},
+ {{{80,7}},3}, {{{0,8}},82}, {{{0,8}},18}, {{{85,8}},163},
+ {{{83,7}},35}, {{{0,8}},114}, {{{0,8}},50}, {{{0,9}},197},
+ {{{81,7}},11}, {{{0,8}},98}, {{{0,8}},34}, {{{0,9}},165},
+ {{{0,8}},2}, {{{0,8}},130}, {{{0,8}},66}, {{{0,9}},229},
+ {{{80,7}},7}, {{{0,8}},90}, {{{0,8}},26}, {{{0,9}},149},
+ {{{84,7}},67}, {{{0,8}},122}, {{{0,8}},58}, {{{0,9}},213},
+ {{{82,7}},19}, {{{0,8}},106}, {{{0,8}},42}, {{{0,9}},181},
+ {{{0,8}},10}, {{{0,8}},138}, {{{0,8}},74}, {{{0,9}},245},
+ {{{80,7}},5}, {{{0,8}},86}, {{{0,8}},22}, {{{192,8}},0},
+ {{{83,7}},51}, {{{0,8}},118}, {{{0,8}},54}, {{{0,9}},205},
+ {{{81,7}},15}, {{{0,8}},102}, {{{0,8}},38}, {{{0,9}},173},
+ {{{0,8}},6}, {{{0,8}},134}, {{{0,8}},70}, {{{0,9}},237},
+ {{{80,7}},9}, {{{0,8}},94}, {{{0,8}},30}, {{{0,9}},157},
+ {{{84,7}},99}, {{{0,8}},126}, {{{0,8}},62}, {{{0,9}},221},
+ {{{82,7}},27}, {{{0,8}},110}, {{{0,8}},46}, {{{0,9}},189},
+ {{{0,8}},14}, {{{0,8}},142}, {{{0,8}},78}, {{{0,9}},253},
+ {{{96,7}},256}, {{{0,8}},81}, {{{0,8}},17}, {{{85,8}},131},
+ {{{82,7}},31}, {{{0,8}},113}, {{{0,8}},49}, {{{0,9}},195},
+ {{{80,7}},10}, {{{0,8}},97}, {{{0,8}},33}, {{{0,9}},163},
+ {{{0,8}},1}, {{{0,8}},129}, {{{0,8}},65}, {{{0,9}},227},
+ {{{80,7}},6}, {{{0,8}},89}, {{{0,8}},25}, {{{0,9}},147},
+ {{{83,7}},59}, {{{0,8}},121}, {{{0,8}},57}, {{{0,9}},211},
+ {{{81,7}},17}, {{{0,8}},105}, {{{0,8}},41}, {{{0,9}},179},
+ {{{0,8}},9}, {{{0,8}},137}, {{{0,8}},73}, {{{0,9}},243},
+ {{{80,7}},4}, {{{0,8}},85}, {{{0,8}},21}, {{{80,8}},258},
+ {{{83,7}},43}, {{{0,8}},117}, {{{0,8}},53}, {{{0,9}},203},
+ {{{81,7}},13}, {{{0,8}},101}, {{{0,8}},37}, {{{0,9}},171},
+ {{{0,8}},5}, {{{0,8}},133}, {{{0,8}},69}, {{{0,9}},235},
+ {{{80,7}},8}, {{{0,8}},93}, {{{0,8}},29}, {{{0,9}},155},
+ {{{84,7}},83}, {{{0,8}},125}, {{{0,8}},61}, {{{0,9}},219},
+ {{{82,7}},23}, {{{0,8}},109}, {{{0,8}},45}, {{{0,9}},187},
+ {{{0,8}},13}, {{{0,8}},141}, {{{0,8}},77}, {{{0,9}},251},
+ {{{80,7}},3}, {{{0,8}},83}, {{{0,8}},19}, {{{85,8}},195},
+ {{{83,7}},35}, {{{0,8}},115}, {{{0,8}},51}, {{{0,9}},199},
+ {{{81,7}},11}, {{{0,8}},99}, {{{0,8}},35}, {{{0,9}},167},
+ {{{0,8}},3}, {{{0,8}},131}, {{{0,8}},67}, {{{0,9}},231},
+ {{{80,7}},7}, {{{0,8}},91}, {{{0,8}},27}, {{{0,9}},151},
+ {{{84,7}},67}, {{{0,8}},123}, {{{0,8}},59}, {{{0,9}},215},
+ {{{82,7}},19}, {{{0,8}},107}, {{{0,8}},43}, {{{0,9}},183},
+ {{{0,8}},11}, {{{0,8}},139}, {{{0,8}},75}, {{{0,9}},247},
+ {{{80,7}},5}, {{{0,8}},87}, {{{0,8}},23}, {{{192,8}},0},
+ {{{83,7}},51}, {{{0,8}},119}, {{{0,8}},55}, {{{0,9}},207},
+ {{{81,7}},15}, {{{0,8}},103}, {{{0,8}},39}, {{{0,9}},175},
+ {{{0,8}},7}, {{{0,8}},135}, {{{0,8}},71}, {{{0,9}},239},
+ {{{80,7}},9}, {{{0,8}},95}, {{{0,8}},31}, {{{0,9}},159},
+ {{{84,7}},99}, {{{0,8}},127}, {{{0,8}},63}, {{{0,9}},223},
+ {{{82,7}},27}, {{{0,8}},111}, {{{0,8}},47}, {{{0,9}},191},
+ {{{0,8}},15}, {{{0,8}},143}, {{{0,8}},79}, {{{0,9}},255}
+};
static inflate_huft fixed_td[] = {
- {{{80,5}},1}, {{{87,5}},257}, {{{83,5}},17}, {{{91,5}},4097},
- {{{81,5}},5}, {{{89,5}},1025}, {{{85,5}},65}, {{{93,5}},16385},
- {{{80,5}},3}, {{{88,5}},513}, {{{84,5}},33}, {{{92,5}},8193},
- {{{82,5}},9}, {{{90,5}},2049}, {{{86,5}},129}, {{{192,5}},24577},
- {{{80,5}},2}, {{{87,5}},385}, {{{83,5}},25}, {{{91,5}},6145},
- {{{81,5}},7}, {{{89,5}},1537}, {{{85,5}},97}, {{{93,5}},24577},
- {{{80,5}},4}, {{{88,5}},769}, {{{84,5}},49}, {{{92,5}},12289},
- {{{82,5}},13}, {{{90,5}},3073}, {{{86,5}},193}, {{{192,5}},24577}
- };
-
-int inflate_trees_fixed(uInt *bl, uInt *bd, inflate_huft * *tl, inflate_huft * *td, z_streamp z)
+ {{{80,5}},1}, {{{87,5}},257}, {{{83,5}},17}, {{{91,5}},4097},
+ {{{81,5}},5}, {{{89,5}},1025}, {{{85,5}},65}, {{{93,5}},16385},
+ {{{80,5}},3}, {{{88,5}},513}, {{{84,5}},33}, {{{92,5}},8193},
+ {{{82,5}},9}, {{{90,5}},2049}, {{{86,5}},129}, {{{192,5}},24577},
+ {{{80,5}},2}, {{{87,5}},385}, {{{83,5}},25}, {{{91,5}},6145},
+ {{{81,5}},7}, {{{89,5}},1537}, {{{85,5}},97}, {{{93,5}},24577},
+ {{{80,5}},4}, {{{88,5}},769}, {{{84,5}},49}, {{{92,5}},12289},
+ {{{82,5}},13}, {{{90,5}},3073}, {{{86,5}},193}, {{{192,5}},24577}
+};
+
+int inflate_trees_fixed( uInt *bl, uInt *bd, inflate_huft * *tl, inflate_huft * *td, z_streamp z ){
//uInt *bl; /* literal desired/actual bit depth */
//uInt *bd; /* distance desired/actual bit depth */
//inflate_huft * *tl; /* literal/length tree result */
//inflate_huft * *td; /* distance tree result */
//z_streamp z; /* for memory allocation */
-{
- *bl = fixed_bl;
- *bd = fixed_bd;
- *tl = fixed_tl;
- *td = fixed_td;
- return Z_OK;
+ *bl = fixed_bl;
+ *bd = fixed_bd;
+ *tl = fixed_tl;
+ *td = fixed_td;
+ return Z_OK;
}
/* simplify the use of the inflate_huft type with some defines */
#define bits word.what.Bits
/* macros for bit input with no checking and for returning unused bytes */
-#define GRABBITS(j) {while(k<(j)){b|=((uLong)NEXTBYTE)<<k;k+=8;}}
-#define UNGRAB {c=z->avail_in-n;c=(k>>3)<c?k>>3:c;n+=c;p-=c;k-=c<<3;}
+#define GRABBITS( j ) {while ( k < ( j ) ) {b |= ( (uLong)NEXTBYTE ) << k; k += 8; }}
+#define UNGRAB {c = z->avail_in - n; c = ( k >> 3 ) < c ? k >> 3 : c; n += c; p -= c; k -= c << 3; }
/* Called with number of bytes left to write in window at least 258
(the maximum string length) and number of input bytes available
at least ten. The ten bytes are six bytes for the longest length/
distance pair plus four bytes for overloading the bit buffer. */
-int inflate_fast(uInt bl, uInt bd, inflate_huft *tl, inflate_huft *td, inflate_blocks_statef *s, z_streamp z)
-{
- inflate_huft *t; /* temporary pointer */
- uInt e; /* extra bits or operation */
- uLong b; /* bit buffer */
- uInt k; /* bits in bit buffer */
- Byte *p; /* input data pointer */
- uInt n; /* bytes available there */
- Byte *q; /* output window write pointer */
- uInt m; /* bytes to end of window or read pointer */
- uInt ml; /* mask for literal/length tree */
- uInt md; /* mask for distance tree */
- uInt c; /* bytes to copy */
- uInt d; /* distance back to copy from */
- Byte *r; /* copy source pointer */
-
- /* load input, output, bit values */
- LOAD
-
- /* initialize masks */
- ml = inflate_mask[bl];
- md = inflate_mask[bd];
-
- /* do until not enough input or output space for fast loop */
- do { /* assume called with m >= 258 && n >= 10 */
- /* get literal/length code */
- GRABBITS(20) /* max bits for literal/length code */
- if ((e = (t = tl + ((uInt)b & ml))->exop) == 0)
- {
- DUMPBITS(t->bits)
- Tracevv((t->base >= 0x20 && t->base < 0x7f ?
- "inflate: * literal '%c'\n" :
- "inflate: * literal 0x%02x\n", t->base));
- *q++ = (Byte)t->base;
- m--;
- continue;
- }
- do {
- DUMPBITS(t->bits)
- if (e & 16)
- {
- /* get extra bits for length */
- e &= 15;
- c = t->base + ((uInt)b & inflate_mask[e]);
- DUMPBITS(e)
- Tracevv(("inflate: * length %u\n", c));
-
- /* decode distance base of block to copy */
- GRABBITS(15); /* max bits for distance code */
- e = (t = td + ((uInt)b & md))->exop;
- do {
- DUMPBITS(t->bits)
- if (e & 16)
- {
- /* get extra bits to add to distance base */
- e &= 15;
- GRABBITS(e) /* get extra bits (up to 13) */
- d = t->base + ((uInt)b & inflate_mask[e]);
- DUMPBITS(e)
- Tracevv(("inflate: * distance %u\n", d));
-
- /* do the copy */
- m -= c;
- if ((uInt)(q - s->window) >= d) /* offset before dest */
- { /* just copy */
- r = q - d;
- *q++ = *r++; c--; /* minimum count is three, */
- *q++ = *r++; c--; /* so unroll loop a little */
- }
- else /* else offset after destination */
- {
- e = d - (uInt)(q - s->window); /* bytes from offset to end */
- r = s->end - e; /* pointer to offset */
- if (c > e) /* if source crosses, */
- {
- c -= e; /* copy to end of window */
- do {
- *q++ = *r++;
- } while (--e);
- r = s->window; /* copy rest from start of window */
- }
- }
- do { /* copy all or what's left */
- *q++ = *r++;
- } while (--c);
- break;
- }
- else if ((e & 64) == 0)
- {
- t += t->base;
- e = (t += ((uInt)b & inflate_mask[e]))->exop;
- }
- else
- {
- z->msg = (char*)"invalid distance code";
- UNGRAB
- UPDATE
- return Z_DATA_ERROR;
- }
- } while (1);
- break;
- }
- if ((e & 64) == 0)
- {
- t += t->base;
- if ((e = (t += ((uInt)b & inflate_mask[e]))->exop) == 0)
- {
- DUMPBITS(t->bits)
- Tracevv((t->base >= 0x20 && t->base < 0x7f ?
- "inflate: * literal '%c'\n" :
- "inflate: * literal 0x%02x\n", t->base));
- *q++ = (Byte)t->base;
- m--;
- break;
- }
- }
- else if (e & 32)
- {
- Tracevv(("inflate: * end of block\n"));
- UNGRAB
- UPDATE
- return Z_STREAM_END;
- }
- else
- {
- z->msg = (char*)"invalid literal/length code";
- UNGRAB
- UPDATE
- return Z_DATA_ERROR;
- }
- } while (1);
- } while (m >= 258 && n >= 10);
-
- /* not enough input or output--restore pointers and return */
- UNGRAB
- UPDATE
- return Z_OK;
+int inflate_fast( uInt bl, uInt bd, inflate_huft *tl, inflate_huft *td, inflate_blocks_statef *s, z_streamp z ){
+ inflate_huft *t; /* temporary pointer */
+ uInt e; /* extra bits or operation */
+ uLong b; /* bit buffer */
+ uInt k; /* bits in bit buffer */
+ Byte *p; /* input data pointer */
+ uInt n; /* bytes available there */
+ Byte *q; /* output window write pointer */
+ uInt m; /* bytes to end of window or read pointer */
+ uInt ml; /* mask for literal/length tree */
+ uInt md; /* mask for distance tree */
+ uInt c; /* bytes to copy */
+ uInt d; /* distance back to copy from */
+ Byte *r; /* copy source pointer */
+
+ /* load input, output, bit values */
+ LOAD
+
+ /* initialize masks */
+ ml = inflate_mask[bl];
+ md = inflate_mask[bd];
+
+ /* do until not enough input or output space for fast loop */
+ do { /* assume called with m >= 258 && n >= 10 */
+ /* get literal/length code */
+ GRABBITS( 20 ) /* max bits for literal/length code */
+ if ( ( e = ( t = tl + ( (uInt)b & ml ) )->exop ) == 0 ) {
+ DUMPBITS( t->bits )
+ Tracevv( ( t->base >= 0x20 && t->base < 0x7f ?
+ "inflate: * literal '%c'\n" :
+ "inflate: * literal 0x%02x\n", t->base ) );
+ *q++ = (Byte)t->base;
+ m--;
+ continue;
+ }
+ do {
+ DUMPBITS( t->bits )
+ if ( e & 16 ) {
+ /* get extra bits for length */
+ e &= 15;
+ c = t->base + ( (uInt)b & inflate_mask[e] );
+ DUMPBITS( e )
+ Tracevv( ( "inflate: * length %u\n", c ) );
+
+ /* decode distance base of block to copy */
+ GRABBITS( 15 ); /* max bits for distance code */
+ e = ( t = td + ( (uInt)b & md ) )->exop;
+ do {
+ DUMPBITS( t->bits )
+ if ( e & 16 ) {
+ /* get extra bits to add to distance base */
+ e &= 15;
+ GRABBITS( e ) /* get extra bits (up to 13) */
+ d = t->base + ( (uInt)b & inflate_mask[e] );
+ DUMPBITS( e )
+ Tracevv( ( "inflate: * distance %u\n", d ) );
+
+ /* do the copy */
+ m -= c;
+ if ( (uInt)( q - s->window ) >= d ) { /* offset before dest */
+ /* just copy */
+ r = q - d;
+ *q++ = *r++; c--; /* minimum count is three, */
+ *q++ = *r++; c--; /* so unroll loop a little */
+ }
+ else /* else offset after destination */
+ {
+ e = d - (uInt)( q - s->window ); /* bytes from offset to end */
+ r = s->end - e; /* pointer to offset */
+ if ( c > e ) { /* if source crosses, */
+ c -= e; /* copy to end of window */
+ do {
+ *q++ = *r++;
+ } while ( --e );
+ r = s->window; /* copy rest from start of window */
+ }
+ }
+ do { /* copy all or what's left */
+ *q++ = *r++;
+ } while ( --c );
+ break;
+ }
+ else if ( ( e & 64 ) == 0 ) {
+ t += t->base;
+ e = ( t += ( (uInt)b & inflate_mask[e] ) )->exop;
+ }
+ else
+ {
+ z->msg = (char*)"invalid distance code";
+ UNGRAB
+ UPDATE
+ return Z_DATA_ERROR;
+ }
+ } while ( 1 );
+ break;
+ }
+ if ( ( e & 64 ) == 0 ) {
+ t += t->base;
+ if ( ( e = ( t += ( (uInt)b & inflate_mask[e] ) )->exop ) == 0 ) {
+ DUMPBITS( t->bits )
+ Tracevv( ( t->base >= 0x20 && t->base < 0x7f ?
+ "inflate: * literal '%c'\n" :
+ "inflate: * literal 0x%02x\n", t->base ) );
+ *q++ = (Byte)t->base;
+ m--;
+ break;
+ }
+ }
+ else if ( e & 32 ) {
+ Tracevv( ( "inflate: * end of block\n" ) );
+ UNGRAB
+ UPDATE
+ return Z_STREAM_END;
+ }
+ else
+ {
+ z->msg = (char*)"invalid literal/length code";
+ UNGRAB
+ UPDATE
+ return Z_DATA_ERROR;
+ }
+ } while ( 1 );
+ } while ( m >= 258 && n >= 10 );
+
+ /* not enough input or output--restore pointers and return */
+ UNGRAB
+ UPDATE
+ return Z_OK;
}
/* infcodes.c -- process literals and length/distance pairs
* Copyright (C) 1995-1998 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
+ * For conditions of distribution and use, see copyright notice in zlib.h
*/
/* simplify the use of the inflate_huft type with some defines */
#define bits word.what.Bits
typedef enum { /* waiting for "i:"=input, "o:"=output, "x:"=nothing */
- START, /* x: set up for LEN */
- LEN, /* i: get length/literal/eob next */
- LENEXT, /* i: getting length extra (have base) */
- DIST, /* i: get distance next */
- DISTEXT, /* i: getting distance extra */
- COPY, /* o: copying bytes in window, waiting for space */
- LIT, /* o: got literal, waiting for output space */
- WASH, /* o: got eob, possibly still output waiting */
- END, /* x: got eob and all data flushed */
- BADCODE} /* x: got error */
+ START, /* x: set up for LEN */
+ LEN, /* i: get length/literal/eob next */
+ LENEXT, /* i: getting length extra (have base) */
+ DIST, /* i: get distance next */
+ DISTEXT, /* i: getting distance extra */
+ COPY, /* o: copying bytes in window, waiting for space */
+ LIT, /* o: got literal, waiting for output space */
+ WASH, /* o: got eob, possibly still output waiting */
+ END, /* x: got eob and all data flushed */
+ BADCODE
+} /* x: got error */
inflate_codes_mode;
/* inflate codes private state */
struct inflate_codes_state {
- /* mode */
- inflate_codes_mode mode; /* current inflate_codes mode */
-
- /* mode dependent information */
- uInt len;
- union {
- struct {
- inflate_huft *tree; /* pointer into tree */
- uInt need; /* bits needed */
- } code; /* if LEN or DIST, where in tree */
- uInt lit; /* if LIT, literal */
- struct {
- uInt get; /* bits to get for extra */
- uInt dist; /* distance back to copy from */
- } copy; /* if EXT or COPY, where and how much */
- } sub; /* submode */
-
- /* mode independent information */
- Byte lbits; /* ltree bits decoded per branch */
- Byte dbits; /* dtree bits decoder per branch */
- inflate_huft *ltree; /* literal/length/eob tree */
- inflate_huft *dtree; /* distance tree */
+ /* mode */
+ inflate_codes_mode mode; /* current inflate_codes mode */
+
+ /* mode dependent information */
+ uInt len;
+ union {
+ struct {
+ inflate_huft *tree; /* pointer into tree */
+ uInt need; /* bits needed */
+ } code; /* if LEN or DIST, where in tree */
+ uInt lit; /* if LIT, literal */
+ struct {
+ uInt get; /* bits to get for extra */
+ uInt dist; /* distance back to copy from */
+ } copy; /* if EXT or COPY, where and how much */
+ } sub; /* submode */
+
+ /* mode independent information */
+ Byte lbits; /* ltree bits decoded per branch */
+ Byte dbits; /* dtree bits decoder per branch */
+ inflate_huft *ltree; /* literal/length/eob tree */
+ inflate_huft *dtree; /* distance tree */
};
-inflate_codes_statef *inflate_codes_new(uInt bl, uInt bd, inflate_huft *tl, inflate_huft *td, z_streamp z)
-{
- inflate_codes_statef *c;
-
- if ((c = (inflate_codes_statef *)
- ZALLOC(z,1,sizeof(struct inflate_codes_state))) != Z_NULL)
- {
- c->mode = START;
- c->lbits = (Byte)bl;
- c->dbits = (Byte)bd;
- c->ltree = tl;
- c->dtree = td;
- Tracev(("inflate: codes new\n"));
- }
- return c;
+inflate_codes_statef *inflate_codes_new( uInt bl, uInt bd, inflate_huft *tl, inflate_huft *td, z_streamp z ){
+ inflate_codes_statef *c;
+
+ if ( ( c = (inflate_codes_statef *)
+ ZALLOC( z,1,sizeof( struct inflate_codes_state ) ) ) != Z_NULL ) {
+ c->mode = START;
+ c->lbits = (Byte)bl;
+ c->dbits = (Byte)bd;
+ c->ltree = tl;
+ c->dtree = td;
+ Tracev( ( "inflate: codes new\n" ) );
+ }
+ return c;
}
-int inflate_codes(inflate_blocks_statef *s, z_streamp z, int r)
-{
- uInt j; /* temporary storage */
- inflate_huft *t; /* temporary pointer */
- uInt e; /* extra bits or operation */
- uLong b; /* bit buffer */
- uInt k; /* bits in bit buffer */
- Byte *p; /* input data pointer */
- uInt n; /* bytes available there */
- Byte *q; /* output window write pointer */
- uInt m; /* bytes to end of window or read pointer */
- Byte *f; /* pointer to copy strings from */
- inflate_codes_statef *c = s->sub.decode.codes; /* codes state */
-
- /* copy input/output information to locals (UPDATE macro restores) */
- LOAD
-
- /* process input and output based on current state */
- while (1) switch (c->mode)
- { /* waiting for "i:"=input, "o:"=output, "x:"=nothing */
- case START: /* x: set up for LEN */
+int inflate_codes( inflate_blocks_statef *s, z_streamp z, int r ){
+ uInt j; /* temporary storage */
+ inflate_huft *t; /* temporary pointer */
+ uInt e; /* extra bits or operation */
+ uLong b; /* bit buffer */
+ uInt k; /* bits in bit buffer */
+ Byte *p; /* input data pointer */
+ uInt n; /* bytes available there */
+ Byte *q; /* output window write pointer */
+ uInt m; /* bytes to end of window or read pointer */
+ Byte *f; /* pointer to copy strings from */
+ inflate_codes_statef *c = s->sub.decode.codes; /* codes state */
+
+ /* copy input/output information to locals (UPDATE macro restores) */
+ LOAD
+
+ /* process input and output based on current state */
+ while ( 1 ) switch ( c->mode )
+ { /* waiting for "i:"=input, "o:"=output, "x:"=nothing */
+ case START: /* x: set up for LEN */
#ifndef SLOW
- if (m >= 258 && n >= 10)
- {
- UPDATE
- r = inflate_fast(c->lbits, c->dbits, c->ltree, c->dtree, s, z);
- LOAD
- if (r != Z_OK)
- {
- c->mode = r == Z_STREAM_END ? WASH : BADCODE;
- break;
- }
- }
+ if ( m >= 258 && n >= 10 ) {
+ UPDATE
+ r = inflate_fast( c->lbits, c->dbits, c->ltree, c->dtree, s, z );
+ LOAD
+ if ( r != Z_OK ) {
+ c->mode = r == Z_STREAM_END ? WASH : BADCODE;
+ break;
+ }
+ }
#endif /* !SLOW */
- c->sub.code.need = c->lbits;
- c->sub.code.tree = c->ltree;
- c->mode = LEN;
- case LEN: /* i: get length/literal/eob next */
- j = c->sub.code.need;
- NEEDBITS(j)
- t = c->sub.code.tree + ((uInt)b & inflate_mask[j]);
- DUMPBITS(t->bits)
- e = (uInt)(t->exop);
- if (e == 0) /* literal */
- {
- c->sub.lit = t->base;
- Tracevv((t->base >= 0x20 && t->base < 0x7f ?
- "inflate: literal '%c'\n" :
- "inflate: literal 0x%02x\n", t->base));
- c->mode = LIT;
- break;
- }
- if (e & 16) /* length */
- {
- c->sub.copy.get = e & 15;
- c->len = t->base;
- c->mode = LENEXT;
- break;
- }
- if ((e & 64) == 0) /* next table */
- {
- c->sub.code.need = e;
- c->sub.code.tree = t + t->base;
- break;
- }
- if (e & 32) /* end of block */
- {
- Tracevv(("inflate: end of block\n"));
- c->mode = WASH;
- break;
- }
- c->mode = BADCODE; /* invalid code */
- z->msg = (char*)"invalid literal/length code";
- r = Z_DATA_ERROR;
- LEAVE
- case LENEXT: /* i: getting length extra (have base) */
- j = c->sub.copy.get;
- NEEDBITS(j)
- c->len += (uInt)b & inflate_mask[j];
- DUMPBITS(j)
- c->sub.code.need = c->dbits;
- c->sub.code.tree = c->dtree;
- Tracevv(("inflate: length %u\n", c->len));
- c->mode = DIST;
- case DIST: /* i: get distance next */
- j = c->sub.code.need;
- NEEDBITS(j)
- t = c->sub.code.tree + ((uInt)b & inflate_mask[j]);
- DUMPBITS(t->bits)
- e = (uInt)(t->exop);
- if (e & 16) /* distance */
- {
- c->sub.copy.get = e & 15;
- c->sub.copy.dist = t->base;
- c->mode = DISTEXT;
- break;
- }
- if ((e & 64) == 0) /* next table */
- {
- c->sub.code.need = e;
- c->sub.code.tree = t + t->base;
- break;
- }
- c->mode = BADCODE; /* invalid code */
- z->msg = (char*)"invalid distance code";
- r = Z_DATA_ERROR;
- LEAVE
- case DISTEXT: /* i: getting distance extra */
- j = c->sub.copy.get;
- NEEDBITS(j)
- c->sub.copy.dist += (uInt)b & inflate_mask[j];
- DUMPBITS(j)
- Tracevv(("inflate: distance %u\n", c->sub.copy.dist));
- c->mode = COPY;
- case COPY: /* o: copying bytes in window, waiting for space */
+ c->sub.code.need = c->lbits;
+ c->sub.code.tree = c->ltree;
+ c->mode = LEN;
+ case LEN: /* i: get length/literal/eob next */
+ j = c->sub.code.need;
+ NEEDBITS( j )
+ t = c->sub.code.tree + ( (uInt)b & inflate_mask[j] );
+ DUMPBITS( t->bits )
+ e = (uInt)( t->exop );
+ if ( e == 0 ) { /* literal */
+ c->sub.lit = t->base;
+ Tracevv( ( t->base >= 0x20 && t->base < 0x7f ?
+ "inflate: literal '%c'\n" :
+ "inflate: literal 0x%02x\n", t->base ) );
+ c->mode = LIT;
+ break;
+ }
+ if ( e & 16 ) { /* length */
+ c->sub.copy.get = e & 15;
+ c->len = t->base;
+ c->mode = LENEXT;
+ break;
+ }
+ if ( ( e & 64 ) == 0 ) { /* next table */
+ c->sub.code.need = e;
+ c->sub.code.tree = t + t->base;
+ break;
+ }
+ if ( e & 32 ) { /* end of block */
+ Tracevv( ( "inflate: end of block\n" ) );
+ c->mode = WASH;
+ break;
+ }
+ c->mode = BADCODE; /* invalid code */
+ z->msg = (char*)"invalid literal/length code";
+ r = Z_DATA_ERROR;
+ LEAVE
+ case LENEXT: /* i: getting length extra (have base) */
+ j = c->sub.copy.get;
+ NEEDBITS( j )
+ c->len += (uInt)b & inflate_mask[j];
+ DUMPBITS( j )
+ c->sub.code.need = c->dbits;
+ c->sub.code.tree = c->dtree;
+ Tracevv( ( "inflate: length %u\n", c->len ) );
+ c->mode = DIST;
+ case DIST: /* i: get distance next */
+ j = c->sub.code.need;
+ NEEDBITS( j )
+ t = c->sub.code.tree + ( (uInt)b & inflate_mask[j] );
+ DUMPBITS( t->bits )
+ e = (uInt)( t->exop );
+ if ( e & 16 ) { /* distance */
+ c->sub.copy.get = e & 15;
+ c->sub.copy.dist = t->base;
+ c->mode = DISTEXT;
+ break;
+ }
+ if ( ( e & 64 ) == 0 ) { /* next table */
+ c->sub.code.need = e;
+ c->sub.code.tree = t + t->base;
+ break;
+ }
+ c->mode = BADCODE; /* invalid code */
+ z->msg = (char*)"invalid distance code";
+ r = Z_DATA_ERROR;
+ LEAVE
+ case DISTEXT: /* i: getting distance extra */
+ j = c->sub.copy.get;
+ NEEDBITS( j )
+ c->sub.copy.dist += (uInt)b & inflate_mask[j];
+ DUMPBITS( j )
+ Tracevv( ( "inflate: distance %u\n", c->sub.copy.dist ) );
+ c->mode = COPY;
+ case COPY: /* o: copying bytes in window, waiting for space */
#ifndef __TURBOC__ /* Turbo C bug for following expression */
- f = (uInt)(q - s->window) < c->sub.copy.dist ?
- s->end - (c->sub.copy.dist - (q - s->window)) :
- q - c->sub.copy.dist;
+ f = (uInt)( q - s->window ) < c->sub.copy.dist ?
+ s->end - ( c->sub.copy.dist - ( q - s->window ) ) :
+ q - c->sub.copy.dist;
#else
- f = q - c->sub.copy.dist;
- if ((uInt)(q - s->window) < c->sub.copy.dist)
- f = s->end - (c->sub.copy.dist - (uInt)(q - s->window));
+ f = q - c->sub.copy.dist;
+ if ( (uInt)( q - s->window ) < c->sub.copy.dist ) {
+ f = s->end - ( c->sub.copy.dist - (uInt)( q - s->window ) );
+ }
#endif
- while (c->len)
- {
- NEEDOUT
- OUTBYTE(*f++)
- if (f == s->end)
- f = s->window;
- c->len--;
- }
- c->mode = START;
- break;
- case LIT: /* o: got literal, waiting for output space */
- NEEDOUT
- OUTBYTE(c->sub.lit)
- c->mode = START;
- break;
- case WASH: /* o: got eob, possibly more output */
- if (k > 7) /* return unused byte, if any */
- {
- Assert(k < 16, "inflate_codes grabbed too many bytes")
- k -= 8;
- n++;
- p--; /* can always return one */
- }
- FLUSH
- if (s->read != s->write)
- LEAVE
- c->mode = END;
- case END:
- r = Z_STREAM_END;
- LEAVE
- case BADCODE: /* x: got error */
- r = Z_DATA_ERROR;
- LEAVE
- default:
- r = Z_STREAM_ERROR;
- LEAVE
- }
+ while ( c->len )
+ {
+ NEEDOUT
+ OUTBYTE( *f++ )
+ if ( f == s->end ) {
+ f = s->window;
+ }
+ c->len--;
+ }
+ c->mode = START;
+ break;
+ case LIT: /* o: got literal, waiting for output space */
+ NEEDOUT
+ OUTBYTE( c->sub.lit )
+ c->mode = START;
+ break;
+ case WASH: /* o: got eob, possibly more output */
+ if ( k > 7 ) { /* return unused byte, if any */
+ Assert( k < 16, "inflate_codes grabbed too many bytes" )
+ k -= 8;
+ n++;
+ p--; /* can always return one */
+ }
+ FLUSH
+ if ( s->read != s->write ) {
+ LEAVE
+ c->mode = END;
+ }
+ case END:
+ r = Z_STREAM_END;
+ LEAVE
+ case BADCODE: /* x: got error */
+ r = Z_DATA_ERROR;
+ LEAVE
+ default:
+ r = Z_STREAM_ERROR;
+ LEAVE
+ }
#ifdef NEED_DUMMY_RETURN
- return Z_STREAM_ERROR; /* Some dumb compilers complain without this */
+ return Z_STREAM_ERROR; /* Some dumb compilers complain without this */
#endif
}
-void inflate_codes_free(inflate_codes_statef *c, z_streamp z)
-{
- ZFREE(z, c);
- Tracev(("inflate: codes free\n"));
+void inflate_codes_free( inflate_codes_statef *c, z_streamp z ){
+ ZFREE( z, c );
+ Tracev( ( "inflate: codes free\n" ) );
}
/* adler32.c -- compute the Adler-32 checksum of a data stream
* Copyright (C) 1995-1998 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
+ * For conditions of distribution and use, see copyright notice in zlib.h
*/
#define BASE 65521L /* largest prime smaller than 65536 */
#undef DO4
#undef DO8
-#define DO1(buf,i) {s1 += buf[i]; s2 += s1;}
-#define DO2(buf,i) DO1(buf,i); DO1(buf,i+1);
-#define DO4(buf,i) DO2(buf,i); DO2(buf,i+2);
-#define DO8(buf,i) DO4(buf,i); DO4(buf,i+4);
-#define DO16(buf) DO8(buf,0); DO8(buf,8);
+#define DO1( buf,i ) {s1 += buf[i]; s2 += s1; }
+#define DO2( buf,i ) DO1( buf,i ); DO1( buf,i + 1 );
+#define DO4( buf,i ) DO2( buf,i ); DO2( buf,i + 2 );
+#define DO8( buf,i ) DO4( buf,i ); DO4( buf,i + 4 );
+#define DO16( buf ) DO8( buf,0 ); DO8( buf,8 );
/* ========================================================================= */
-uLong adler32(uLong adler, const Byte *buf, uInt len)
-{
- unsigned long s1 = adler & 0xffff;
- unsigned long s2 = (adler >> 16) & 0xffff;
- int k;
-
- if (buf == Z_NULL) return 1L;
-
- while (len > 0) {
- k = len < NMAX ? len : NMAX;
- len -= k;
- while (k >= 16) {
- DO16(buf);
- buf += 16;
- k -= 16;
- }
- if (k != 0) do {
- s1 += *buf++;
- s2 += s1;
- } while (--k);
- s1 %= BASE;
- s2 %= BASE;
- }
- return (s2 << 16) | s1;
+uLong adler32( uLong adler, const Byte *buf, uInt len ){
+ unsigned long s1 = adler & 0xffff;
+ unsigned long s2 = ( adler >> 16 ) & 0xffff;
+ int k;
+
+ if ( buf == Z_NULL ) {
+ return 1L;
+ }
+
+ while ( len > 0 ) {
+ k = len < NMAX ? len : NMAX;
+ len -= k;
+ while ( k >= 16 ) {
+ DO16( buf );
+ buf += 16;
+ k -= 16;
+ }
+ if ( k != 0 ) {
+ do {
+ s1 += *buf++;
+ s2 += s1;
+ } while ( --k );
+ }
+ s1 %= BASE;
+ s2 %= BASE;
+ }
+ return ( s2 << 16 ) | s1;
}
/* infblock.h -- header to use infblock.c
* Copyright (C) 1995-1998 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h
+ * For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
subject to change. Applications should only use zlib.h.
*/
-extern inflate_blocks_statef * inflate_blocks_new OF((
- z_streamp z,
- check_func c, /* check function */
- uInt w)); /* window size */
+extern inflate_blocks_statef * inflate_blocks_new OF( (
+ z_streamp z,
+ check_func c, /* check function */
+ uInt w ) ); /* window size */
-extern int inflate_blocks OF((
- inflate_blocks_statef *,
- z_streamp ,
- int)); /* initial return code */
+extern int inflate_blocks OF( (
+ inflate_blocks_statef *,
+ z_streamp,
+ int ) ); /* initial return code */
-extern void inflate_blocks_reset OF((
- inflate_blocks_statef *,
- z_streamp ,
- uLong *)); /* check value on output */
+extern void inflate_blocks_reset OF( (
+ inflate_blocks_statef *,
+ z_streamp,
+ uLong * ) ); /* check value on output */
-extern int inflate_blocks_free OF((
- inflate_blocks_statef *,
- z_streamp));
+extern int inflate_blocks_free OF( (
+ inflate_blocks_statef *,
+ z_streamp ) );
-extern void inflate_set_dictionary OF((
- inflate_blocks_statef *s,
- const Byte *d, /* dictionary */
- uInt n)); /* dictionary length */
+extern void inflate_set_dictionary OF( (
+ inflate_blocks_statef * s,
+ const Byte * d, /* dictionary */
+ uInt n ) ); /* dictionary length */
-extern int inflate_blocks_sync_point OF((
- inflate_blocks_statef *s));
+extern int inflate_blocks_sync_point OF( (
+ inflate_blocks_statef * s ) );
typedef enum {
- imMETHOD, /* waiting for method byte */
- imFLAG, /* waiting for flag byte */
- imDICT4, /* four dictionary check bytes to go */
- imDICT3, /* three dictionary check bytes to go */
- imDICT2, /* two dictionary check bytes to go */
- imDICT1, /* one dictionary check byte to go */
- imDICT0, /* waiting for inflateSetDictionary */
- imBLOCKS, /* decompressing blocks */
- imCHECK4, /* four check bytes to go */
- imCHECK3, /* three check bytes to go */
- imCHECK2, /* two check bytes to go */
- imCHECK1, /* one check byte to go */
- imDONE, /* finished check, done */
- imBAD} /* got an error--stay here */
+ imMETHOD, /* waiting for method byte */
+ imFLAG, /* waiting for flag byte */
+ imDICT4, /* four dictionary check bytes to go */
+ imDICT3, /* three dictionary check bytes to go */
+ imDICT2, /* two dictionary check bytes to go */
+ imDICT1, /* one dictionary check byte to go */
+ imDICT0, /* waiting for inflateSetDictionary */
+ imBLOCKS, /* decompressing blocks */
+ imCHECK4, /* four check bytes to go */
+ imCHECK3, /* three check bytes to go */
+ imCHECK2, /* two check bytes to go */
+ imCHECK1, /* one check byte to go */
+ imDONE, /* finished check, done */
+ imBAD
+} /* got an error--stay here */
inflate_mode;
/* inflate private state */
struct internal_state {
- /* mode */
- inflate_mode mode; /* current inflate mode */
-
- /* mode dependent information */
- union {
- uInt method; /* if FLAGS, method byte */
- struct {
- uLong was; /* computed check value */
- uLong need; /* stream check value */
- } check; /* if CHECK, check values to compare */
- uInt marker; /* if BAD, inflateSync's marker bytes count */
- } sub; /* submode */
-
- /* mode independent information */
- int nowrap; /* flag for no wrapper */
- uInt wbits; /* log2(window size) (8..15, defaults to 15) */
- inflate_blocks_statef
- *blocks; /* current inflate_blocks state */
+ /* mode */
+ inflate_mode mode; /* current inflate mode */
+
+ /* mode dependent information */
+ union {
+ uInt method; /* if FLAGS, method byte */
+ struct {
+ uLong was; /* computed check value */
+ uLong need; /* stream check value */
+ } check; /* if CHECK, check values to compare */
+ uInt marker; /* if BAD, inflateSync's marker bytes count */
+ } sub; /* submode */
+
+ /* mode independent information */
+ int nowrap; /* flag for no wrapper */
+ uInt wbits; /* log2(window size) (8..15, defaults to 15) */
+ inflate_blocks_statef
+ *blocks; /* current inflate_blocks state */
};
-int inflateReset(z_streamp z)
-{
- if (z == Z_NULL || z->state == Z_NULL)
- return Z_STREAM_ERROR;
- z->total_in = z->total_out = 0;
- z->msg = Z_NULL;
- z->state->mode = z->state->nowrap ? imBLOCKS : imMETHOD;
- inflate_blocks_reset(z->state->blocks, z, Z_NULL);
- Tracev(("inflate: reset\n"));
- return Z_OK;
+int inflateReset( z_streamp z ){
+ if ( z == Z_NULL || z->state == Z_NULL ) {
+ return Z_STREAM_ERROR;
+ }
+ z->total_in = z->total_out = 0;
+ z->msg = Z_NULL;
+ z->state->mode = z->state->nowrap ? imBLOCKS : imMETHOD;
+ inflate_blocks_reset( z->state->blocks, z, Z_NULL );
+ Tracev( ( "inflate: reset\n" ) );
+ return Z_OK;
}
-int inflateEnd(z_streamp z)
-{
- if (z == Z_NULL || z->state == Z_NULL || z->zfree == Z_NULL)
- return Z_STREAM_ERROR;
- if (z->state->blocks != Z_NULL)
- inflate_blocks_free(z->state->blocks, z);
- ZFREE(z, z->state);
- z->state = Z_NULL;
- Tracev(("inflate: end\n"));
- return Z_OK;
+int inflateEnd( z_streamp z ){
+ if ( z == Z_NULL || z->state == Z_NULL || z->zfree == Z_NULL ) {
+ return Z_STREAM_ERROR;
+ }
+ if ( z->state->blocks != Z_NULL ) {
+ inflate_blocks_free( z->state->blocks, z );
+ }
+ ZFREE( z, z->state );
+ z->state = Z_NULL;
+ Tracev( ( "inflate: end\n" ) );
+ return Z_OK;
}
-int inflateInit2_(z_streamp z, int w, const char *version, int stream_size)
-{
- if (version == Z_NULL || version[0] != ZLIB_VERSION[0] ||
- stream_size != sizeof(z_stream))
- return Z_VERSION_ERROR;
-
- /* initialize state */
- if (z == Z_NULL)
- return Z_STREAM_ERROR;
- z->msg = Z_NULL;
- if (z->zalloc == Z_NULL)
- {
- z->zalloc = (void *(*)(void *, unsigned, unsigned))zcalloc;
- z->opaque = (voidp)0;
- }
- if (z->zfree == Z_NULL) z->zfree = (void (*)(void *, void *))zcfree;
- if ((z->state = (struct internal_state *)
- ZALLOC(z,1,sizeof(struct internal_state))) == Z_NULL)
- return Z_MEM_ERROR;
- z->state->blocks = Z_NULL;
-
- /* handle undocumented nowrap option (no zlib header or check) */
- z->state->nowrap = 0;
- if (w < 0)
- {
- w = - w;
- z->state->nowrap = 1;
- }
-
- /* set window size */
- if (w < 8 || w > 15)
- {
- inflateEnd(z);
- return Z_STREAM_ERROR;
- }
- z->state->wbits = (uInt)w;
-
- /* create inflate_blocks state */
- if ((z->state->blocks =
- inflate_blocks_new(z, z->state->nowrap ? Z_NULL : adler32, (uInt)1 << w))
- == Z_NULL)
- {
- inflateEnd(z);
- return Z_MEM_ERROR;
- }
- Tracev(("inflate: allocated\n"));
-
- /* reset state */
- inflateReset(z);
- return Z_OK;
+int inflateInit2_( z_streamp z, int w, const char *version, int stream_size ){
+ if ( version == Z_NULL || version[0] != ZLIB_VERSION[0] ||
+ stream_size != sizeof( z_stream ) ) {
+ return Z_VERSION_ERROR;
+ }
+
+ /* initialize state */
+ if ( z == Z_NULL ) {
+ return Z_STREAM_ERROR;
+ }
+ z->msg = Z_NULL;
+ if ( z->zalloc == Z_NULL ) {
+ z->zalloc = ( void *( * )( void *, unsigned, unsigned ) )zcalloc;
+ z->opaque = (voidp)0;
+ }
+ if ( z->zfree == Z_NULL ) {
+ z->zfree = ( void ( * )( void *, void * ) )zcfree;
+ }
+ if ( ( z->state = (struct internal_state *)
+ ZALLOC( z,1,sizeof( struct internal_state ) ) ) == Z_NULL ) {
+ return Z_MEM_ERROR;
+ }
+ z->state->blocks = Z_NULL;
+
+ /* handle undocumented nowrap option (no zlib header or check) */
+ z->state->nowrap = 0;
+ if ( w < 0 ) {
+ w = -w;
+ z->state->nowrap = 1;
+ }
+
+ /* set window size */
+ if ( w < 8 || w > 15 ) {
+ inflateEnd( z );
+ return Z_STREAM_ERROR;
+ }
+ z->state->wbits = (uInt)w;
+
+ /* create inflate_blocks state */
+ if ( ( z->state->blocks =
+ inflate_blocks_new( z, z->state->nowrap ? Z_NULL : adler32, (uInt)1 << w ) )
+ == Z_NULL ) {
+ inflateEnd( z );
+ return Z_MEM_ERROR;
+ }
+ Tracev( ( "inflate: allocated\n" ) );
+
+ /* reset state */
+ inflateReset( z );
+ return Z_OK;
}
-int inflateInit_(z_streamp z, const char *version, int stream_size)
-{
- return inflateInit2_(z, DEF_WBITS, version, stream_size);
+int inflateInit_( z_streamp z, const char *version, int stream_size ){
+ return inflateInit2_( z, DEF_WBITS, version, stream_size );
}
-#define iNEEDBYTE {if(z->avail_in==0)return r;r=f;}
-#define iNEXTBYTE (z->avail_in--,z->total_in++,*z->next_in++)
-
-int inflate(z_streamp z, int f)
-{
- int r;
- uInt b;
-
- if (z == Z_NULL || z->state == Z_NULL || z->next_in == Z_NULL)
- return Z_STREAM_ERROR;
- f = f == Z_FINISH ? Z_BUF_ERROR : Z_OK;
- r = Z_BUF_ERROR;
- while (1) switch (z->state->mode)
- {
- case imMETHOD:
- iNEEDBYTE
- if (((z->state->sub.method = iNEXTBYTE) & 0xf) != Z_DEFLATED)
- {
- z->state->mode = imBAD;
- z->msg = (char*)"unknown compression method";
- z->state->sub.marker = 5; /* can't try inflateSync */
- break;
- }
- if ((z->state->sub.method >> 4) + 8 > z->state->wbits)
- {
- z->state->mode = imBAD;
- z->msg = (char*)"invalid window size";
- z->state->sub.marker = 5; /* can't try inflateSync */
- break;
- }
- z->state->mode = imFLAG;
- case imFLAG:
- iNEEDBYTE
- b = iNEXTBYTE;
- if (((z->state->sub.method << 8) + b) % 31)
- {
- z->state->mode = imBAD;
- z->msg = (char*)"incorrect header check";
- z->state->sub.marker = 5; /* can't try inflateSync */
- break;
- }
- Tracev(("inflate: zlib header ok\n"));
- if (!(b & PRESET_DICT))
- {
- z->state->mode = imBLOCKS;
- break;
- }
- z->state->mode = imDICT4;
- case imDICT4:
- iNEEDBYTE
- z->state->sub.check.need = (uLong)iNEXTBYTE << 24;
- z->state->mode = imDICT3;
- case imDICT3:
- iNEEDBYTE
- z->state->sub.check.need += (uLong)iNEXTBYTE << 16;
- z->state->mode = imDICT2;
- case imDICT2:
- iNEEDBYTE
- z->state->sub.check.need += (uLong)iNEXTBYTE << 8;
- z->state->mode = imDICT1;
- case imDICT1:
- iNEEDBYTE
- z->state->sub.check.need += (uLong)iNEXTBYTE;
- z->adler = z->state->sub.check.need;
- z->state->mode = imDICT0;
- return Z_NEED_DICT;
- case imDICT0:
- z->state->mode = imBAD;
- z->msg = (char*)"need dictionary";
- z->state->sub.marker = 0; /* can try inflateSync */
- return Z_STREAM_ERROR;
- case imBLOCKS:
- r = inflate_blocks(z->state->blocks, z, r);
- if (r == Z_DATA_ERROR)
- {
- z->state->mode = imBAD;
- z->state->sub.marker = 0; /* can try inflateSync */
- break;
- }
- if (r == Z_OK)
- r = f;
- if (r != Z_STREAM_END)
- return r;
- r = f;
- inflate_blocks_reset(z->state->blocks, z, &z->state->sub.check.was);
- if (z->state->nowrap)
- {
- z->state->mode = imDONE;
- break;
- }
- z->state->mode = imCHECK4;
- case imCHECK4:
- iNEEDBYTE
- z->state->sub.check.need = (uLong)iNEXTBYTE << 24;
- z->state->mode = imCHECK3;
- case imCHECK3:
- iNEEDBYTE
- z->state->sub.check.need += (uLong)iNEXTBYTE << 16;
- z->state->mode = imCHECK2;
- case imCHECK2:
- iNEEDBYTE
- z->state->sub.check.need += (uLong)iNEXTBYTE << 8;
- z->state->mode = imCHECK1;
- case imCHECK1:
- iNEEDBYTE
- z->state->sub.check.need += (uLong)iNEXTBYTE;
-
- if (z->state->sub.check.was != z->state->sub.check.need)
- {
- z->state->mode = imBAD;
- z->msg = (char*)"incorrect data check";
- z->state->sub.marker = 5; /* can't try inflateSync */
- break;
- }
- Tracev(("inflate: zlib check ok\n"));
- z->state->mode = imDONE;
- case imDONE:
- return Z_STREAM_END;
- case imBAD:
- return Z_DATA_ERROR;
- default:
- return Z_STREAM_ERROR;
- }
+#define iNEEDBYTE {if ( z->avail_in == 0 ) {return r; } r = f; }
+#define iNEXTBYTE ( z->avail_in--,z->total_in++,*z->next_in++ )
+
+int inflate( z_streamp z, int f ){
+ int r;
+ uInt b;
+
+ if ( z == Z_NULL || z->state == Z_NULL || z->next_in == Z_NULL ) {
+ return Z_STREAM_ERROR;
+ }
+ f = f == Z_FINISH ? Z_BUF_ERROR : Z_OK;
+ r = Z_BUF_ERROR;
+ while ( 1 ) switch ( z->state->mode )
+ {
+ case imMETHOD:
+ iNEEDBYTE
+ if ( ( ( z->state->sub.method = iNEXTBYTE ) & 0xf ) != Z_DEFLATED ) {
+ z->state->mode = imBAD;
+ z->msg = (char*)"unknown compression method";
+ z->state->sub.marker = 5; /* can't try inflateSync */
+ break;
+ }
+ if ( ( z->state->sub.method >> 4 ) + 8 > z->state->wbits ) {
+ z->state->mode = imBAD;
+ z->msg = (char*)"invalid window size";
+ z->state->sub.marker = 5; /* can't try inflateSync */
+ break;
+ }
+ z->state->mode = imFLAG;
+ case imFLAG:
+ iNEEDBYTE
+ b = iNEXTBYTE;
+ if ( ( ( z->state->sub.method << 8 ) + b ) % 31 ) {
+ z->state->mode = imBAD;
+ z->msg = (char*)"incorrect header check";
+ z->state->sub.marker = 5; /* can't try inflateSync */
+ break;
+ }
+ Tracev( ( "inflate: zlib header ok\n" ) );
+ if ( !( b & PRESET_DICT ) ) {
+ z->state->mode = imBLOCKS;
+ break;
+ }
+ z->state->mode = imDICT4;
+ case imDICT4:
+ iNEEDBYTE
+ z->state->sub.check.need = (uLong)iNEXTBYTE << 24;
+ z->state->mode = imDICT3;
+ case imDICT3:
+ iNEEDBYTE
+ z->state->sub.check.need += (uLong)iNEXTBYTE << 16;
+ z->state->mode = imDICT2;
+ case imDICT2:
+ iNEEDBYTE
+ z->state->sub.check.need += (uLong)iNEXTBYTE << 8;
+ z->state->mode = imDICT1;
+ case imDICT1:
+ iNEEDBYTE
+ z->state->sub.check.need += (uLong)iNEXTBYTE;
+ z->adler = z->state->sub.check.need;
+ z->state->mode = imDICT0;
+ return Z_NEED_DICT;
+ case imDICT0:
+ z->state->mode = imBAD;
+ z->msg = (char*)"need dictionary";
+ z->state->sub.marker = 0; /* can try inflateSync */
+ return Z_STREAM_ERROR;
+ case imBLOCKS:
+ r = inflate_blocks( z->state->blocks, z, r );
+ if ( r == Z_DATA_ERROR ) {
+ z->state->mode = imBAD;
+ z->state->sub.marker = 0; /* can try inflateSync */
+ break;
+ }
+ if ( r == Z_OK ) {
+ r = f;
+ }
+ if ( r != Z_STREAM_END ) {
+ return r;
+ }
+ r = f;
+ inflate_blocks_reset( z->state->blocks, z, &z->state->sub.check.was );
+ if ( z->state->nowrap ) {
+ z->state->mode = imDONE;
+ break;
+ }
+ z->state->mode = imCHECK4;
+ case imCHECK4:
+ iNEEDBYTE
+ z->state->sub.check.need = (uLong)iNEXTBYTE << 24;
+ z->state->mode = imCHECK3;
+ case imCHECK3:
+ iNEEDBYTE
+ z->state->sub.check.need += (uLong)iNEXTBYTE << 16;
+ z->state->mode = imCHECK2;
+ case imCHECK2:
+ iNEEDBYTE
+ z->state->sub.check.need += (uLong)iNEXTBYTE << 8;
+ z->state->mode = imCHECK1;
+ case imCHECK1:
+ iNEEDBYTE
+ z->state->sub.check.need += (uLong)iNEXTBYTE;
+
+ if ( z->state->sub.check.was != z->state->sub.check.need ) {
+ z->state->mode = imBAD;
+ z->msg = (char*)"incorrect data check";
+ z->state->sub.marker = 5; /* can't try inflateSync */
+ break;
+ }
+ Tracev( ( "inflate: zlib check ok\n" ) );
+ z->state->mode = imDONE;
+ case imDONE:
+ return Z_STREAM_END;
+ case imBAD:
+ return Z_DATA_ERROR;
+ default:
+ return Z_STREAM_ERROR;
+ }
#ifdef NEED_DUMMY_RETURN
- return Z_STREAM_ERROR; /* Some dumb compilers complain without this */
+ return Z_STREAM_ERROR; /* Some dumb compilers complain without this */
#endif
}
-int inflateSetDictionary(z_streamp z, const Byte *dictionary, uInt dictLength)
-{
- uInt length = dictLength;
+int inflateSetDictionary( z_streamp z, const Byte *dictionary, uInt dictLength ){
+ uInt length = dictLength;
- if (z == Z_NULL || z->state == Z_NULL || z->state->mode != imDICT0)
- return Z_STREAM_ERROR;
+ if ( z == Z_NULL || z->state == Z_NULL || z->state->mode != imDICT0 ) {
+ return Z_STREAM_ERROR;
+ }
- if (adler32(1L, dictionary, dictLength) != z->adler) return Z_DATA_ERROR;
- z->adler = 1L;
+ if ( adler32( 1L, dictionary, dictLength ) != z->adler ) {
+ return Z_DATA_ERROR;
+ }
+ z->adler = 1L;
- if (length >= ((uInt)1<<z->state->wbits))
- {
- length = (1<<z->state->wbits)-1;
- dictionary += dictLength - length;
- }
- inflate_set_dictionary(z->state->blocks, dictionary, length);
- z->state->mode = imBLOCKS;
- return Z_OK;
+ if ( length >= ( (uInt)1 << z->state->wbits ) ) {
+ length = ( 1 << z->state->wbits ) - 1;
+ dictionary += dictLength - length;
+ }
+ inflate_set_dictionary( z->state->blocks, dictionary, length );
+ z->state->mode = imBLOCKS;
+ return Z_OK;
}
-int inflateSync(z_streamp z)
-{
- uInt n; /* number of bytes to look at */
- Byte *p; /* pointer to bytes */
- uInt m; /* number of marker bytes found in a row */
- uLong r, w; /* temporaries to save total_in and total_out */
-
- /* set up */
- if (z == Z_NULL || z->state == Z_NULL)
- return Z_STREAM_ERROR;
- if (z->state->mode != imBAD)
- {
- z->state->mode = imBAD;
- z->state->sub.marker = 0;
- }
- if ((n = z->avail_in) == 0)
- return Z_BUF_ERROR;
- p = z->next_in;
- m = z->state->sub.marker;
-
- /* search */
- while (n && m < 4)
- {
- static const Byte mark[4] = {0, 0, 0xff, 0xff};
- if (*p == mark[m])
- m++;
- else if (*p)
- m = 0;
- else
- m = 4 - m;
- p++, n--;
- }
-
- /* restore */
- z->total_in += p - z->next_in;
- z->next_in = p;
- z->avail_in = n;
- z->state->sub.marker = m;
-
- /* return no joy or set up to restart on a new block */
- if (m != 4)
- return Z_DATA_ERROR;
- r = z->total_in; w = z->total_out;
- inflateReset(z);
- z->total_in = r; z->total_out = w;
- z->state->mode = imBLOCKS;
- return Z_OK;
+int inflateSync( z_streamp z ){
+ uInt n; /* number of bytes to look at */
+ Byte *p; /* pointer to bytes */
+ uInt m; /* number of marker bytes found in a row */
+ uLong r, w; /* temporaries to save total_in and total_out */
+
+ /* set up */
+ if ( z == Z_NULL || z->state == Z_NULL ) {
+ return Z_STREAM_ERROR;
+ }
+ if ( z->state->mode != imBAD ) {
+ z->state->mode = imBAD;
+ z->state->sub.marker = 0;
+ }
+ if ( ( n = z->avail_in ) == 0 ) {
+ return Z_BUF_ERROR;
+ }
+ p = z->next_in;
+ m = z->state->sub.marker;
+
+ /* search */
+ while ( n && m < 4 )
+ {
+ static const Byte mark[4] = {0, 0, 0xff, 0xff};
+ if ( *p == mark[m] ) {
+ m++;
+ }
+ else if ( *p ) {
+ m = 0;
+ }
+ else{
+ m = 4 - m;
+ }
+ p++, n--;
+ }
+
+ /* restore */
+ z->total_in += p - z->next_in;
+ z->next_in = p;
+ z->avail_in = n;
+ z->state->sub.marker = m;
+
+ /* return no joy or set up to restart on a new block */
+ if ( m != 4 ) {
+ return Z_DATA_ERROR;
+ }
+ r = z->total_in; w = z->total_out;
+ inflateReset( z );
+ z->total_in = r; z->total_out = w;
+ z->state->mode = imBLOCKS;
+ return Z_OK;
}
* decompressing, PPP checks that at the end of input packet, inflate is
* waiting for these length bytes.
*/
-int inflateSyncPoint(z_streamp z)
-{
- if (z == Z_NULL || z->state == Z_NULL || z->state->blocks == Z_NULL)
- return Z_STREAM_ERROR;
- return inflate_blocks_sync_point(z->state->blocks);
+int inflateSyncPoint( z_streamp z ){
+ if ( z == Z_NULL || z->state == Z_NULL || z->state->blocks == Z_NULL ) {
+ return Z_STREAM_ERROR;
+ }
+ return inflate_blocks_sync_point( z->state->blocks );
}
-voidp zcalloc (voidp opaque, unsigned items, unsigned size)
-{
- if (opaque) items += size - size; /* make compiler happy */
- return (voidp)malloc(items*size);
+voidp zcalloc( voidp opaque, unsigned items, unsigned size ){
+ if ( opaque ) {
+ items += size - size; /* make compiler happy */
+ }
+ return (voidp)malloc( items * size );
}
-void zcfree (voidp opaque, voidp ptr)
-{
- free(ptr);
- if (opaque) return; /* make compiler happy */
+void zcfree( voidp opaque, voidp ptr ){
+ free( ptr );
+ if ( opaque ) {
+ return; /* make compiler happy */
+ }
}
-
projects / xonotic / netradiant.git / blobdiff