/*
- Quake file system
+ DarkPlaces file system
- Copyright (C) 2003 Mathieu Olivier
- Copyright (C) 1999,2000 contributors of the QuakeForge project
+ Copyright (C) 2003-2005 Mathieu Olivier
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
#include "quakedef.h"
-#include <stdlib.h>
-#include <string.h>
#include <limits.h>
#include <fcntl.h>
# include <unistd.h>
#endif
-#ifndef PATH_MAX
-# define PATH_MAX 512
+#include "fs.h"
+
+// Win32 requires us to add O_BINARY, but the other OSes don't have it
+#ifndef O_BINARY
+# define O_BINARY 0
+#endif
+
+// In case the system doesn't support the O_NONBLOCK flag
+#ifndef O_NONBLOCK
+# define O_NONBLOCK 0
#endif
-#include "fs.h"
/*
all generated files (savegames, screenshots, demos, config files) will be
saved to. This can be overridden with the "-game" command line parameter.
The game directory can never be changed while quake is executing. This is a
-precacution against having a malicious server instruct clients to write files
+precaution against having a malicious server instruct clients to write files
over areas they shouldn't.
*/
+/*
+=============================================================================
+
+CONSTANTS
+
+=============================================================================
+*/
+
+// Magic numbers of a ZIP file (big-endian format)
+#define ZIP_DATA_HEADER 0x504B0304 // "PK\3\4"
+#define ZIP_CDIR_HEADER 0x504B0102 // "PK\1\2"
+#define ZIP_END_HEADER 0x504B0506 // "PK\5\6"
+
+// Other constants for ZIP files
+#define ZIP_MAX_COMMENTS_SIZE ((unsigned short)0xFFFF)
+#define ZIP_END_CDIR_SIZE 22
+#define ZIP_CDIR_CHUNK_BASE_SIZE 46
+#define ZIP_LOCAL_CHUNK_BASE_SIZE 30
+
+// Zlib constants (from zlib.h)
+#define Z_SYNC_FLUSH 2
+#define MAX_WBITS 15
+#define Z_OK 0
+#define Z_STREAM_END 1
+#define ZLIB_VERSION "1.2.3"
+
+// Uncomment the following line if the zlib DLL you have still uses
+// the 1.1.x series calling convention on Win32 (WINAPI)
+//#define ZLIB_USES_WINAPI
+
+
/*
=============================================================================
=============================================================================
*/
-// Our own file structure on top of FILE
-typedef enum
+// Zlib stream (from zlib.h)
+// Warning: some pointers we don't use directly have
+// been cast to "void*" for a matter of simplicity
+typedef struct
+{
+ qbyte *next_in; // next input byte
+ unsigned int avail_in; // number of bytes available at next_in
+ unsigned long total_in; // total nb of input bytes read so far
+
+ qbyte *next_out; // next output byte should be put there
+ unsigned int avail_out; // remaining free space at next_out
+ unsigned long total_out; // total nb of bytes output so far
+
+ char *msg; // last error message, NULL if no error
+ void *state; // not visible by applications
+
+ void *zalloc; // used to allocate the internal state
+ void *zfree; // used to free the internal state
+ void *opaque; // private data object passed to zalloc and zfree
+
+ int data_type; // best guess about the data type: ascii or binary
+ unsigned long adler; // adler32 value of the uncompressed data
+ unsigned long reserved; // reserved for future use
+} z_stream;
+
+
+// inside a package (PAK or PK3)
+#define QFILE_FLAG_PACKED (1 << 0)
+// file is compressed using the deflate algorithm (PK3 only)
+#define QFILE_FLAG_DEFLATED (1 << 1)
+
+#define FILE_BUFF_SIZE 2048
+typedef struct
{
- FS_FLAG_NONE = 0,
- FS_FLAG_PACKED = (1 << 0) // inside a package (PAK or PK3)
-// FS_FLAG_COMPRESSED = (1 << 1) // compressed (inside a PK3 file)
-} fs_flags_t;
+ z_stream zstream;
+ size_t comp_length; // length of the compressed file
+ size_t in_ind, in_len; // input buffer current index and length
+ size_t in_position; // position in the compressed file
+ qbyte input [FILE_BUFF_SIZE];
+} ztoolkit_t;
struct qfile_s
{
- fs_flags_t flags;
- FILE* stream;
- size_t length; // file size (PACKED only)
- size_t offset; // offset into a package (PACKED only)
- size_t position; // current position in the file (PACKED only)
+ int flags;
+ int handle; // file descriptor
+ fs_offset_t real_length; // uncompressed file size (for files opened in "read" mode)
+ fs_offset_t position; // current position in the file
+ fs_offset_t offset; // offset into the package (0 if external file)
+ int ungetc; // single stored character from ungetc, cleared to EOF when read
+
+ // Contents buffer
+ fs_offset_t buff_ind, buff_len; // buffer current index and length
+ qbyte buff [FILE_BUFF_SIZE];
+
+ // For zipped files
+ ztoolkit_t* ztk;
};
-// PAK files on disk
+// ------ PK3 files on disk ------ //
+
+// You can get the complete ZIP format description from PKWARE website
+
+typedef struct
+{
+ unsigned int signature;
+ unsigned short disknum;
+ unsigned short cdir_disknum; // number of the disk with the start of the central directory
+ unsigned short localentries; // number of entries in the central directory on this disk
+ unsigned short nbentries; // total number of entries in the central directory on this disk
+ unsigned int cdir_size; // size of the central directory
+ unsigned int cdir_offset; // with respect to the starting disk number
+ unsigned short comment_size;
+} pk3_endOfCentralDir_t;
+
+
+// ------ PAK files on disk ------ //
typedef struct
{
char name[56];
// Packages in memory
+// the offset in packfile_t is the true contents offset
+#define PACKFILE_FLAG_TRUEOFFS (1 << 0)
+// file compressed using the deflate algorithm
+#define PACKFILE_FLAG_DEFLATED (1 << 1)
+
typedef struct
{
- char name[MAX_QPATH];
- int filepos, filelen;
+ char name [MAX_QPATH];
+ int flags;
+ fs_offset_t offset;
+ fs_offset_t packsize; // size in the package
+ fs_offset_t realsize; // real file size (uncompressed)
} packfile_t;
typedef struct pack_s
{
- char filename[MAX_OSPATH];
- FILE *handle;
+ char filename [MAX_OSPATH];
+ int handle;
+ int ignorecase; // PK3 ignores case
int numfiles;
packfile_t *files;
- mempool_t *mempool;
struct pack_s *next;
} pack_t;
} searchpath_t;
+/*
+=============================================================================
+
+FUNCTION PROTOTYPES
+
+=============================================================================
+*/
+
+void FS_Dir_f(void);
+void FS_Ls_f(void);
+
+static packfile_t* FS_AddFileToPack (const char* name, pack_t* pack,
+ fs_offset_t offset, fs_offset_t packsize,
+ fs_offset_t realsize, int flags);
+
+
/*
=============================================================================
*/
mempool_t *fs_mempool;
-mempool_t *pak_mempool;
-int fs_filesize;
+fs_offset_t fs_filesize;
pack_t *packlist = NULL;
-searchpath_t *fs_searchpaths;
+searchpath_t *fs_searchpaths = NULL;
-// LordHavoc: was 2048, increased to 65536 and changed info[MAX_PACK_FILES] to a temporary alloc
-#define MAX_FILES_IN_PACK 65536
+#define MAX_FILES_IN_PACK 65536
char fs_gamedir[MAX_OSPATH];
char fs_basedir[MAX_OSPATH];
qboolean fs_modified; // set true if using non-id files
+cvar_t scr_screenshot_name = {0, "scr_screenshot_name","dp"};
+
/*
=============================================================================
-PRIVATE FUNCTIONS
+PRIVATE FUNCTIONS - PK3 HANDLING
=============================================================================
*/
+// Functions exported from zlib
+#if defined(WIN32) && defined(ZLIB_USES_WINAPI)
+# define ZEXPORT WINAPI
+#else
+# define ZEXPORT
+#endif
+
+static int (ZEXPORT *qz_inflate) (z_stream* strm, int flush);
+static int (ZEXPORT *qz_inflateEnd) (z_stream* strm);
+static int (ZEXPORT *qz_inflateInit2_) (z_stream* strm, int windowBits, const char *version, int stream_size);
+static int (ZEXPORT *qz_inflateReset) (z_stream* strm);
+
+#define qz_inflateInit2(strm, windowBits) \
+ qz_inflateInit2_((strm), (windowBits), ZLIB_VERSION, sizeof(z_stream))
+
+static dllfunction_t zlibfuncs[] =
+{
+ {"inflate", (void **) &qz_inflate},
+ {"inflateEnd", (void **) &qz_inflateEnd},
+ {"inflateInit2_", (void **) &qz_inflateInit2_},
+ {"inflateReset", (void **) &qz_inflateReset},
+ {NULL, NULL}
+};
+
+// Handle for Zlib DLL
+static dllhandle_t zlib_dll = NULL;
+
+
+/*
+====================
+PK3_CloseLibrary
+
+Unload the Zlib DLL
+====================
+*/
+void PK3_CloseLibrary (void)
+{
+ Sys_UnloadLibrary (&zlib_dll);
+}
+
+
+/*
+====================
+PK3_OpenLibrary
+
+Try to load the Zlib DLL
+====================
+*/
+qboolean PK3_OpenLibrary (void)
+{
+ const char* dllnames [] =
+ {
+#if defined(WIN64)
+ "zlib64.dll",
+#elif defined(WIN32)
+# ifdef ZLIB_USES_WINAPI
+ "zlibwapi.dll",
+ "zlib.dll",
+# else
+ "zlib1.dll",
+# endif
+#elif defined(MACOSX)
+ "libz.dylib",
+#else
+ "libz.so.1",
+ "libz.so",
+#endif
+ NULL
+ };
+
+ // Already loaded?
+ if (zlib_dll)
+ return true;
+
+ // Load the DLL
+ if (! Sys_LoadLibrary (dllnames, &zlib_dll, zlibfuncs))
+ {
+ Con_Printf ("Compressed files support disabled\n");
+ return false;
+ }
+
+ Con_Printf ("Compressed files support enabled\n");
+ return true;
+}
+
+
+/*
+====================
+PK3_GetEndOfCentralDir
+
+Extract the end of the central directory from a PK3 package
+====================
+*/
+qboolean PK3_GetEndOfCentralDir (const char *packfile, int packhandle, pk3_endOfCentralDir_t *eocd)
+{
+ long filesize, maxsize;
+ qbyte *buffer, *ptr;
+ int ind;
+
+ // Get the package size
+ filesize = lseek (packhandle, 0, SEEK_END);
+ if (filesize < ZIP_END_CDIR_SIZE)
+ return false;
+
+ // Load the end of the file in memory
+ if (filesize < ZIP_MAX_COMMENTS_SIZE + ZIP_END_CDIR_SIZE)
+ maxsize = filesize;
+ else
+ maxsize = ZIP_MAX_COMMENTS_SIZE + ZIP_END_CDIR_SIZE;
+ buffer = (qbyte *)Mem_Alloc (tempmempool, maxsize);
+ lseek (packhandle, filesize - maxsize, SEEK_SET);
+ if (read (packhandle, buffer, maxsize) != (fs_offset_t) maxsize)
+ {
+ Mem_Free (buffer);
+ return false;
+ }
+
+ // Look for the end of central dir signature around the end of the file
+ maxsize -= ZIP_END_CDIR_SIZE;
+ ptr = &buffer[maxsize];
+ ind = 0;
+ while (BuffBigLong (ptr) != ZIP_END_HEADER)
+ {
+ if (ind == maxsize)
+ {
+ Mem_Free (buffer);
+ return false;
+ }
+
+ ind++;
+ ptr--;
+ }
+
+ memcpy (eocd, ptr, ZIP_END_CDIR_SIZE);
+ eocd->signature = LittleLong (eocd->signature);
+ eocd->disknum = LittleShort (eocd->disknum);
+ eocd->cdir_disknum = LittleShort (eocd->cdir_disknum);
+ eocd->localentries = LittleShort (eocd->localentries);
+ eocd->nbentries = LittleShort (eocd->nbentries);
+ eocd->cdir_size = LittleLong (eocd->cdir_size);
+ eocd->cdir_offset = LittleLong (eocd->cdir_offset);
+ eocd->comment_size = LittleShort (eocd->comment_size);
+
+ Mem_Free (buffer);
+
+ return true;
+}
+
+
+/*
+====================
+PK3_BuildFileList
+
+Extract the file list from a PK3 file
+====================
+*/
+int PK3_BuildFileList (pack_t *pack, const pk3_endOfCentralDir_t *eocd)
+{
+ qbyte *central_dir, *ptr;
+ unsigned int ind;
+ fs_offset_t remaining;
+
+ // Load the central directory in memory
+ central_dir = (qbyte *)Mem_Alloc (tempmempool, eocd->cdir_size);
+ lseek (pack->handle, eocd->cdir_offset, SEEK_SET);
+ read (pack->handle, central_dir, eocd->cdir_size);
+
+ // Extract the files properties
+ // The parsing is done "by hand" because some fields have variable sizes and
+ // the constant part isn't 4-bytes aligned, which makes the use of structs difficult
+ remaining = eocd->cdir_size;
+ pack->numfiles = 0;
+ ptr = central_dir;
+ for (ind = 0; ind < eocd->nbentries; ind++)
+ {
+ fs_offset_t namesize, count;
+
+ // Checking the remaining size
+ if (remaining < ZIP_CDIR_CHUNK_BASE_SIZE)
+ {
+ Mem_Free (central_dir);
+ return -1;
+ }
+ remaining -= ZIP_CDIR_CHUNK_BASE_SIZE;
+
+ // Check header
+ if (BuffBigLong (ptr) != ZIP_CDIR_HEADER)
+ {
+ Mem_Free (central_dir);
+ return -1;
+ }
+
+ namesize = BuffLittleShort (&ptr[28]); // filename length
+
+ // Check encryption, compression, and attributes
+ // 1st uint8 : general purpose bit flag
+ // Check bits 0 (encryption), 3 (data descriptor after the file), and 5 (compressed patched data (?))
+ // 2nd uint8 : external file attributes
+ // Check bits 3 (file is a directory) and 5 (file is a volume (?))
+ if ((ptr[8] & 0x29) == 0 && (ptr[38] & 0x18) == 0)
+ {
+ // Still enough bytes for the name?
+ if (remaining < namesize || namesize >= (int)sizeof (*pack->files))
+ {
+ Mem_Free (central_dir);
+ return -1;
+ }
+
+ // WinZip doesn't use the "directory" attribute, so we need to check the name directly
+ if (ptr[ZIP_CDIR_CHUNK_BASE_SIZE + namesize - 1] != '/')
+ {
+ char filename [sizeof (pack->files[0].name)];
+ fs_offset_t offset, packsize, realsize;
+ int flags;
+
+ // Extract the name (strip it if necessary)
+ namesize = min(namesize, (int)sizeof (filename) - 1);
+ memcpy (filename, &ptr[ZIP_CDIR_CHUNK_BASE_SIZE], namesize);
+ filename[namesize] = '\0';
+
+ if (BuffLittleShort (&ptr[10]))
+ flags = PACKFILE_FLAG_DEFLATED;
+ else
+ flags = 0;
+ offset = BuffLittleLong (&ptr[42]);
+ packsize = BuffLittleLong (&ptr[20]);
+ realsize = BuffLittleLong (&ptr[24]);
+ FS_AddFileToPack (filename, pack, offset, packsize, realsize, flags);
+ }
+ }
+
+ // Skip the name, additionnal field, and comment
+ // 1er uint16 : extra field length
+ // 2eme uint16 : file comment length
+ count = namesize + BuffLittleShort (&ptr[30]) + BuffLittleShort (&ptr[32]);
+ ptr += ZIP_CDIR_CHUNK_BASE_SIZE + count;
+ remaining -= count;
+ }
+
+ // If the package is empty, central_dir is NULL here
+ if (central_dir != NULL)
+ Mem_Free (central_dir);
+ return pack->numfiles;
+}
+
+
+/*
+====================
+FS_LoadPackPK3
+
+Create a package entry associated with a PK3 file
+====================
+*/
+pack_t *FS_LoadPackPK3 (const char *packfile)
+{
+ int packhandle;
+ pk3_endOfCentralDir_t eocd;
+ pack_t *pack;
+ int real_nb_files;
+
+ packhandle = open (packfile, O_RDONLY | O_BINARY);
+ if (packhandle < 0)
+ return NULL;
+
+ if (! PK3_GetEndOfCentralDir (packfile, packhandle, &eocd))
+ {
+ Con_Printf ("%s is not a PK3 file", packfile);
+ close(packhandle);
+ return NULL;
+ }
+
+ // Multi-volume ZIP archives are NOT allowed
+ if (eocd.disknum != 0 || eocd.cdir_disknum != 0)
+ {
+ Con_Printf ("%s is a multi-volume ZIP archive", packfile);
+ close(packhandle);
+ return NULL;
+ }
+
+ // We only need to do this test if MAX_FILES_IN_PACK is lesser than 65535
+ // since eocd.nbentries is an unsigned 16 bits integer
+#if MAX_FILES_IN_PACK < 65535
+ if (eocd.nbentries > MAX_FILES_IN_PACK)
+ {
+ Con_Printf ("%s contains too many files (%hu)", packfile, eocd.nbentries);
+ close(packhandle);
+ return NULL;
+ }
+#endif
+
+ // Create a package structure in memory
+ pack = (pack_t *)Mem_Alloc(fs_mempool, sizeof (pack_t));
+ pack->ignorecase = true; // PK3 ignores case
+ strlcpy (pack->filename, packfile, sizeof (pack->filename));
+ pack->handle = packhandle;
+ pack->numfiles = eocd.nbentries;
+ pack->files = (packfile_t *)Mem_Alloc(fs_mempool, eocd.nbentries * sizeof(packfile_t));
+ pack->next = packlist;
+ packlist = pack;
+
+ real_nb_files = PK3_BuildFileList (pack, &eocd);
+ if (real_nb_files < 0)
+ {
+ Con_Printf ("%s is not a valid PK3 file", packfile);
+ close(pack->handle);
+ Mem_Free(pack);
+ return NULL;
+ }
+
+ Con_Printf("Added packfile %s (%i files)\n", packfile, real_nb_files);
+ return pack;
+}
+
+
+/*
+====================
+PK3_GetTrueFileOffset
+
+Find where the true file data offset is
+====================
+*/
+qboolean PK3_GetTrueFileOffset (packfile_t *pfile, pack_t *pack)
+{
+ qbyte buffer [ZIP_LOCAL_CHUNK_BASE_SIZE];
+ fs_offset_t count;
+
+ // Already found?
+ if (pfile->flags & PACKFILE_FLAG_TRUEOFFS)
+ return true;
+
+ // Load the local file description
+ lseek (pack->handle, pfile->offset, SEEK_SET);
+ count = read (pack->handle, buffer, ZIP_LOCAL_CHUNK_BASE_SIZE);
+ if (count != ZIP_LOCAL_CHUNK_BASE_SIZE || BuffBigLong (buffer) != ZIP_DATA_HEADER)
+ {
+ Con_Printf ("Can't retrieve file %s in package %s", pfile->name, pack->filename);
+ return false;
+ }
+
+ // Skip name and extra field
+ pfile->offset += BuffLittleShort (&buffer[26]) + BuffLittleShort (&buffer[28]) + ZIP_LOCAL_CHUNK_BASE_SIZE;
+
+ pfile->flags |= PACKFILE_FLAG_TRUEOFFS;
+ return true;
+}
+
+
+/*
+=============================================================================
+
+OTHER PRIVATE FUNCTIONS
+
+=============================================================================
+*/
+
+
+/*
+====================
+FS_AddFileToPack
+
+Add a file to the list of files contained into a package
+====================
+*/
+static packfile_t* FS_AddFileToPack (const char* name, pack_t* pack,
+ fs_offset_t offset, fs_offset_t packsize,
+ fs_offset_t realsize, int flags)
+{
+ int (*strcmp_funct) (const char* str1, const char* str2);
+ int left, right, middle;
+ packfile_t *pfile;
+
+ strcmp_funct = pack->ignorecase ? strcasecmp : strcmp;
+
+ // Look for the slot we should put that file into (binary search)
+ left = 0;
+ right = pack->numfiles - 1;
+ while (left <= right)
+ {
+ int diff;
+
+ middle = (left + right) / 2;
+ diff = strcmp_funct (pack->files[middle].name, name);
+
+ // If we found the file, there's a problem
+ if (!diff)
+ Con_Printf ("Package %s contains the file %s several times\n", pack->filename, name);
+
+ // If we're too far in the list
+ if (diff > 0)
+ right = middle - 1;
+ else
+ left = middle + 1;
+ }
+
+ // We have to move the right of the list by one slot to free the one we need
+ pfile = &pack->files[left];
+ memmove (pfile + 1, pfile, (pack->numfiles - left) * sizeof (*pfile));
+ pack->numfiles++;
+
+ strlcpy (pfile->name, name, sizeof (pfile->name));
+ pfile->offset = offset;
+ pfile->packsize = packsize;
+ pfile->realsize = realsize;
+ pfile->flags = flags;
+
+ return pfile;
+}
+
/*
============
FS_CreatePath
-LordHavoc: Previously only used for CopyFile, now also used for FS_WriteFile.
+Only used for FS_Open.
============
*/
void FS_CreatePath (char *path)
{
searchpath_t *s;
- Con_Printf ("Current search path:\n");
+ Con_Print("Current search path:\n");
for (s=fs_searchpaths ; s ; s=s->next)
{
if (s->pack)
- {
- Con_Printf ("%s (%i files)\n", s->pack->filename, s->pack->numfiles);
- }
+ Con_Printf("%s (%i files)\n", s->pack->filename, s->pack->numfiles);
else
- Con_Printf ("%s\n", s->filename);
+ Con_Printf("%s\n", s->filename);
}
}
/*
=================
-FS_LoadPackFile
+FS_LoadPackPAK
Takes an explicit (not game tree related) path to a pak file.
of the list so they override previous pack files.
=================
*/
-pack_t *FS_LoadPackFile (const char *packfile)
+pack_t *FS_LoadPackPAK (const char *packfile)
{
dpackheader_t header;
int i, numpackfiles;
- FILE *packhandle;
+ int packhandle;
pack_t *pack;
- // LordHavoc: changed from stack array to temporary alloc, allowing huge pack directories
dpackfile_t *info;
- packhandle = fopen (packfile, "rb");
- if (!packhandle)
+ packhandle = open (packfile, O_RDONLY | O_BINARY);
+ if (packhandle < 0)
return NULL;
-
- fread ((void *)&header, 1, sizeof(header), packhandle);
+ read (packhandle, (void *)&header, sizeof(header));
if (memcmp(header.id, "PACK", 4))
- Sys_Error ("%s is not a packfile", packfile);
+ {
+ Con_Printf ("%s is not a packfile", packfile);
+ close(packhandle);
+ return NULL;
+ }
header.dirofs = LittleLong (header.dirofs);
header.dirlen = LittleLong (header.dirlen);
if (header.dirlen % sizeof(dpackfile_t))
- Sys_Error ("%s has an invalid directory size", packfile);
+ {
+ Con_Printf ("%s has an invalid directory size", packfile);
+ close(packhandle);
+ return NULL;
+ }
numpackfiles = header.dirlen / sizeof(dpackfile_t);
if (numpackfiles > MAX_FILES_IN_PACK)
- Sys_Error ("%s has %i files", packfile, numpackfiles);
+ {
+ Con_Printf ("%s has %i files", packfile, numpackfiles);
+ close(packhandle);
+ return NULL;
+ }
- pack = Mem_Alloc(pak_mempool, sizeof (pack_t));
- strcpy (pack->filename, packfile);
+ pack = (pack_t *)Mem_Alloc(fs_mempool, sizeof (pack_t));
+ pack->ignorecase = false; // PAK is case sensitive
+ strlcpy (pack->filename, packfile, sizeof (pack->filename));
pack->handle = packhandle;
- pack->numfiles = numpackfiles;
- pack->mempool = Mem_AllocPool(packfile);
- pack->files = Mem_Alloc(pack->mempool, numpackfiles * sizeof(packfile_t));
+ pack->numfiles = 0;
+ pack->files = (packfile_t *)Mem_Alloc(fs_mempool, numpackfiles * sizeof(packfile_t));
pack->next = packlist;
packlist = pack;
- info = Mem_Alloc(tempmempool, sizeof(*info) * numpackfiles);
- fseek (packhandle, header.dirofs, SEEK_SET);
- fread ((void *)info, 1, header.dirlen, packhandle);
+ info = (dpackfile_t *)Mem_Alloc(tempmempool, sizeof(*info) * numpackfiles);
+ lseek (packhandle, header.dirofs, SEEK_SET);
+ read (packhandle, (void *)info, header.dirlen);
-// parse the directory
+ // parse the directory
for (i = 0;i < numpackfiles;i++)
{
- strcpy (pack->files[i].name, info[i].name);
- pack->files[i].filepos = LittleLong(info[i].filepos);
- pack->files[i].filelen = LittleLong(info[i].filelen);
+ fs_offset_t offset = LittleLong (info[i].filepos);
+ fs_offset_t size = LittleLong (info[i].filelen);
+
+ FS_AddFileToPack (info[i].name, pack, offset, size, size, PACKFILE_FLAG_TRUEOFFS);
}
Mem_Free(info);
- Con_Printf ("Added packfile %s (%i files)\n", packfile, numpackfiles);
+ Con_Printf("Added packfile %s (%i files)\n", packfile, numpackfiles);
return pack;
}
then loads and adds pak1.pak pak2.pak ...
================
*/
-void FS_AddGameDirectory (char *dir)
+void FS_AddGameDirectory (const char *dir)
{
stringlist_t *list, *current;
searchpath_t *search;
pack_t *pak;
char pakfile[MAX_OSPATH];
- strcpy (fs_gamedir, dir);
+ strlcpy (fs_gamedir, dir, sizeof (fs_gamedir));
- // add the directory to the search path
- search = Mem_Alloc(pak_mempool, sizeof(searchpath_t));
- strcpy (search->filename, dir);
- search->next = fs_searchpaths;
- fs_searchpaths = search;
-
- // add any paks in the directory
list = listdirectory(dir);
+
+ // add any PAK package in the directory
for (current = list;current;current = current->next)
{
if (matchpattern(current->text, "*.pak", true))
{
- sprintf (pakfile, "%s/%s", dir, current->text);
- pak = FS_LoadPackFile (pakfile);
+ dpsnprintf (pakfile, sizeof (pakfile), "%s%s", dir, current->text);
+ pak = FS_LoadPackPAK (pakfile);
+ if (pak)
+ {
+ search = (searchpath_t *)Mem_Alloc(fs_mempool, sizeof(searchpath_t));
+ search->pack = pak;
+ search->next = fs_searchpaths;
+ fs_searchpaths = search;
+ }
+ else
+ Con_Printf("unable to load pak \"%s\"\n", pakfile);
+ }
+ }
+
+ // add any PK3 package in the director
+ for (current = list;current;current = current->next)
+ {
+ if (matchpattern(current->text, "*.pk3", true))
+ {
+ dpsnprintf (pakfile, sizeof (pakfile), "%s%s", dir, current->text);
+ pak = FS_LoadPackPK3 (pakfile);
if (pak)
{
- search = Mem_Alloc(pak_mempool, sizeof(searchpath_t));
+ search = (searchpath_t *)Mem_Alloc(fs_mempool, sizeof(searchpath_t));
search->pack = pak;
search->next = fs_searchpaths;
fs_searchpaths = search;
}
}
freedirectory(list);
+
+ // Add the directory to the search path
+ // (unpacked files have the priority over packed files)
+ search = (searchpath_t *)Mem_Alloc(fs_mempool, sizeof(searchpath_t));
+ strlcpy (search->filename, dir, sizeof (search->filename));
+ search->next = fs_searchpaths;
+ fs_searchpaths = search;
+}
+
+
+/*
+================
+FS_AddGameHierarchy
+================
+*/
+void FS_AddGameHierarchy (const char *dir)
+{
+#ifndef WIN32
+ const char *homedir;
+#endif
+
+ // Add the common game directory
+ FS_AddGameDirectory (va("%s/%s/", fs_basedir, dir));
+
+#ifndef WIN32
+ // Add the personal game directory
+ homedir = getenv ("HOME");
+ if (homedir != NULL && homedir[0] != '\0')
+ FS_AddGameDirectory (va("%s/.%s/%s/", homedir, gameuserdirname, dir));
+#endif
}
FS_FileExtension
============
*/
-char *FS_FileExtension (const char *in)
+static const char *FS_FileExtension (const char *in)
{
- static char exten[8];
- int i;
-
- while (*in && *in != '.')
- in++;
- if (!*in)
+ const char *separator, *backslash, *colon, *dot;
+
+ separator = strrchr(in, '/');
+ backslash = strrchr(in, '\\');
+ if (separator < backslash)
+ separator = backslash;
+ colon = strrchr(in, ':');
+ if (separator < colon)
+ separator = colon;
+
+ dot = strrchr(in, '.');
+ if (dot == NULL || dot < separator)
return "";
- in++;
- for (i=0 ; i<7 && *in ; i++,in++)
- exten[i] = *in;
- exten[i] = 0;
- return exten;
+
+ return dot + 1;
}
int i;
searchpath_t *search;
- fs_mempool = Mem_AllocPool("file management");
- pak_mempool = Mem_AllocPool("paks");
-
- Cmd_AddCommand ("path", FS_Path_f);
+ fs_mempool = Mem_AllocPool("file management", 0, NULL);
strcpy(fs_basedir, ".");
+ strcpy(fs_gamedir, "");
- // -basedir <path>
- // Overrides the system supplied base directory (under GAMENAME)
- i = COM_CheckParm ("-basedir");
- if (i && i < com_argc-1)
- strcpy (fs_basedir, com_argv[i+1]);
-
- i = strlen (fs_basedir);
- if (i > 0 && (fs_basedir[i-1] == '\\' || fs_basedir[i-1] == '/'))
- fs_basedir[i-1] = 0;
-
- // start up with GAMENAME by default (id1)
- strcpy(com_modname, GAMENAME);
- FS_AddGameDirectory (va("%s/"GAMENAME, fs_basedir));
- if (gamedirname[0])
+#ifdef MACOSX
+ // FIXME: is there a better way to find the directory outside the .app?
+ if (strstr(com_argv[0], ".app/"))
{
- fs_modified = true;
- strcpy(com_modname, gamedirname);
- FS_AddGameDirectory (va("%s/%s", fs_basedir, gamedirname));
+ char *split;
+
+ split = strstr(com_argv[0], ".app/");
+ while (split > com_argv[0] && *split != '/')
+ split--;
+ strlcpy(fs_basedir, com_argv[0], sizeof(fs_basedir));
+ fs_basedir[split - com_argv[0]] = 0;
}
+#endif
- // -game <gamedir>
- // Adds basedir/gamedir as an override game
- i = COM_CheckParm ("-game");
+ PK3_OpenLibrary ();
+
+ // -basedir <path>
+ // Overrides the system supplied base directory (under GAMENAME)
+// COMMANDLINEOPTION: Filesystem: -basedir <path> chooses what base directory the game data is in, inside this there should be a data directory for the game (for example id1)
+ i = COM_CheckParm ("-basedir");
if (i && i < com_argc-1)
{
- fs_modified = true;
- strcpy(com_modname, com_argv[i+1]);
- FS_AddGameDirectory (va("%s/%s", fs_basedir, com_argv[i+1]));
+ strlcpy (fs_basedir, com_argv[i+1], sizeof (fs_basedir));
+ i = (int)strlen (fs_basedir);
+ if (i > 0 && (fs_basedir[i-1] == '\\' || fs_basedir[i-1] == '/'))
+ fs_basedir[i-1] = 0;
}
// -path <dir or packfile> [<dir or packfile>] ...
// Fully specifies the exact search path, overriding the generated one
+// COMMANDLINEOPTION: Filesystem: -path <path ..> specifies the full search path manually, overriding the generated one, example: -path c:\quake\id1 c:\quake\pak0.pak c:\quake\pak1.pak (not recommended)
i = COM_CheckParm ("-path");
if (i)
{
fs_modified = true;
- fs_searchpaths = NULL;
while (++i < com_argc)
{
if (!com_argv[i] || com_argv[i][0] == '+' || com_argv[i][0] == '-')
break;
- search = Mem_Alloc(pak_mempool, sizeof(searchpath_t));
- if ( !strcmp(FS_FileExtension(com_argv[i]), "pak") )
+ search = (searchpath_t *)Mem_Alloc(fs_mempool, sizeof(searchpath_t));
+ if (!strcasecmp (FS_FileExtension(com_argv[i]), "pak"))
{
- search->pack = FS_LoadPackFile (com_argv[i]);
+ search->pack = FS_LoadPackPAK (com_argv[i]);
if (!search->pack)
- Sys_Error ("Couldn't load packfile: %s", com_argv[i]);
+ {
+ Con_Printf ("Couldn't load packfile: %s", com_argv[i]);
+ Mem_Free(search);
+ continue;
+ }
+ }
+ else if (!strcasecmp (FS_FileExtension (com_argv[i]), "pk3"))
+ {
+ search->pack = FS_LoadPackPK3 (com_argv[i]);
+ if (!search->pack)
+ {
+ Con_Printf ("Couldn't load packfile: %s", com_argv[i]);
+ Mem_Free(search);
+ continue;
+ }
}
else
- strcpy (search->filename, com_argv[i]);
+ strlcpy (search->filename, com_argv[i], sizeof (search->filename));
search->next = fs_searchpaths;
fs_searchpaths = search;
}
+ return;
}
+
+ // add the game-specific paths
+ // gamedirname1 (typically id1)
+ FS_AddGameHierarchy (gamedirname1);
+
+ // add the game-specific path, if any
+ if (gamedirname2)
+ {
+ fs_modified = true;
+ FS_AddGameHierarchy (gamedirname2);
+ }
+
+ // set the com_modname (reported in server info)
+ strlcpy(com_modname, gamedirname1, sizeof(com_modname));
+
+ // -game <gamedir>
+ // Adds basedir/gamedir as an override game
+ // LordHavoc: now supports multiple -game directories
+ for (i = 1;i < com_argc;i++)
+ {
+ if (!com_argv[i])
+ continue;
+ if (!strcmp (com_argv[i], "-game") && i < com_argc-1)
+ {
+ i++;
+ fs_modified = true;
+ FS_AddGameHierarchy (com_argv[i]);
+ // update the com_modname
+ strlcpy (com_modname, com_argv[i], sizeof (com_modname));
+ }
+ }
+
+ // If "-condebug" is in the command line, remove the previous log file
+ if (COM_CheckParm ("-condebug") != 0)
+ unlink (va("%s/qconsole.log", fs_gamedir));
}
+void FS_Init_Commands(void)
+{
+ Cvar_RegisterVariable (&scr_screenshot_name);
-/*
-=============================================================================
+ Cmd_AddCommand ("path", FS_Path_f);
+ Cmd_AddCommand ("dir", FS_Dir_f);
+ Cmd_AddCommand ("ls", FS_Ls_f);
-MAIN FUNCTIONS
+ // set the default screenshot name to either the mod name or the
+ // gamemode screenshot name
+ if (fs_modified)
+ Cvar_SetQuick (&scr_screenshot_name, com_modname);
+ else
+ Cvar_SetQuick (&scr_screenshot_name, gamescreenshotname);
+}
-=============================================================================
+/*
+================
+FS_Shutdown
+================
*/
+void FS_Shutdown (void)
+{
+ Mem_FreePool (&fs_mempool);
+}
/*
====================
-FS_Open
+FS_SysOpen
-Internal function used to create a qfile_t and open the relevant file on disk
+Internal function used to create a qfile_t and open the relevant non-packed file on disk
====================
*/
-static qfile_t* FS_SysOpen (const char* filepath, const char* mode)
+static qfile_t* FS_SysOpen (const char* filepath, const char* mode, qboolean nonblocking)
{
qfile_t* file;
+ int mod, opt;
+ unsigned int ind;
- file = Mem_Alloc (fs_mempool, sizeof (*file));
+ // Parse the mode string
+ switch (mode[0])
+ {
+ case 'r':
+ mod = O_RDONLY;
+ opt = 0;
+ break;
+ case 'w':
+ mod = O_WRONLY;
+ opt = O_CREAT | O_TRUNC;
+ break;
+ case 'a':
+ mod = O_WRONLY;
+ opt = O_CREAT | O_APPEND;
+ break;
+ default:
+ Con_Printf ("FS_SysOpen(%s, %s): invalid mode\n", filepath, mode);
+ return NULL;
+ }
+ for (ind = 1; mode[ind] != '\0'; ind++)
+ {
+ switch (mode[ind])
+ {
+ case '+':
+ mod = O_RDWR;
+ break;
+ case 'b':
+ opt |= O_BINARY;
+ break;
+ default:
+ Con_Printf ("FS_SysOpen(%s, %s): unknown character in mode (%c)\n",
+ filepath, mode, mode[ind]);
+ }
+ }
+
+ if (nonblocking)
+ opt |= O_NONBLOCK;
+
+ file = (qfile_t *)Mem_Alloc (fs_mempool, sizeof (*file));
memset (file, 0, sizeof (*file));
+ file->ungetc = EOF;
- file->stream = fopen (filepath, mode);
- if (!file->stream)
+ file->handle = open (filepath, mod | opt, 0666);
+ if (file->handle < 0)
{
Mem_Free (file);
return NULL;
}
+ file->real_length = lseek (file->handle, 0, SEEK_END);
+
+ // For files opened in append mode, we start at the end of the file
+ if (mod & O_APPEND)
+ file->position = file->real_length;
+ else
+ lseek (file->handle, 0, SEEK_SET);
+
return file;
}
/*
===========
-FS_OpenRead
+FS_OpenPackedFile
+
+Open a packed file using its package file descriptor
===========
*/
-qfile_t *FS_OpenRead (const char *path, int offs, int len)
+qfile_t *FS_OpenPackedFile (pack_t* pack, int pack_ind)
{
+ packfile_t *pfile;
+ int dup_handle;
qfile_t* file;
- file = FS_SysOpen (path, "rb");
- if (!file)
+ pfile = &pack->files[pack_ind];
+
+ fs_filesize = 0;
+
+ // If we don't have the true offset, get it now
+ if (! (pfile->flags & PACKFILE_FLAG_TRUEOFFS))
+ if (!PK3_GetTrueFileOffset (pfile, pack))
+ return NULL;
+
+ // No Zlib DLL = no compressed files
+ if (!zlib_dll && (pfile->flags & PACKFILE_FLAG_DEFLATED))
{
- Sys_Error ("Couldn't open %s", path);
+ Con_Printf("WARNING: can't open the compressed file %s\n"
+ "You need the Zlib DLL to use compressed files\n",
+ pfile->name);
return NULL;
}
- // Normal file
- if (offs < 0 || len < 0)
+ // LordHavoc: lseek affects all duplicates of a handle so we do it before
+ // the dup() call to avoid having to close the dup_handle on error here
+ if (lseek (pack->handle, pfile->offset, SEEK_SET) == -1)
{
- FS_Seek (file, 0, SEEK_END);
- len = FS_Tell (file);
- FS_Seek (file, 0, SEEK_SET);
+ Con_Printf ("FS_OpenPackedFile: can't lseek to %s in %s (offset: %d)",
+ pfile->name, pack->filename, pfile->offset);
+ return NULL;
}
- // Packed file
- else
+
+ dup_handle = dup (pack->handle);
+ if (dup_handle < 0)
{
- FS_Seek (file, offs, SEEK_SET);
+ Con_Printf ("FS_OpenPackedFile: can't dup package's handle (pack: %s)", pack->filename);
+ return NULL;
+ }
- file->flags |= FS_FLAG_PACKED;
- file->length = len;
- file->offset = offs;
- file->position = 0;
+ file = (qfile_t *)Mem_Alloc (fs_mempool, sizeof (*file));
+ memset (file, 0, sizeof (*file));
+ file->handle = dup_handle;
+ file->flags = QFILE_FLAG_PACKED;
+ file->real_length = pfile->realsize;
+ file->offset = pfile->offset;
+ file->position = 0;
+ file->ungetc = EOF;
+
+ if (pfile->flags & PACKFILE_FLAG_DEFLATED)
+ {
+ ztoolkit_t *ztk;
+
+ file->flags |= QFILE_FLAG_DEFLATED;
+
+ // We need some more variables
+ ztk = (ztoolkit_t *)Mem_Alloc (fs_mempool, sizeof (*ztk));
+
+ ztk->comp_length = pfile->packsize;
+
+ // Initialize zlib stream
+ ztk->zstream.next_in = ztk->input;
+ ztk->zstream.avail_in = 0;
+
+ /* From Zlib's "unzip.c":
+ *
+ * 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
+ */
+ if (qz_inflateInit2 (&ztk->zstream, -MAX_WBITS) != Z_OK)
+ {
+ Con_Printf ("FS_OpenPackedFile: inflate init error (file: %s)", pfile->name);
+ close(dup_handle);
+ Mem_Free(file);
+ return NULL;
+ }
+
+ ztk->zstream.next_out = file->buff;
+ ztk->zstream.avail_out = sizeof (file->buff);
+
+ file->ztk = ztk;
}
- fs_filesize = len;
+ fs_filesize = pfile->realsize;
return file;
}
/*
-===========
-FS_FOpenFile
+====================
+FS_CheckNastyPath
+
+Return true if the path should be rejected due to one of the following:
+1: path elements that are non-portable
+2: path elements that would allow access to files outside the game directory,
+ or are just not a good idea for a mod to be using.
+====================
+*/
+int FS_CheckNastyPath (const char *path)
+{
+ // Windows: don't allow \ in filenames (windows-only), period.
+ // (on Windows \ is a directory separator, but / is also supported)
+ if (strstr(path, "\\"))
+ return 1; // non-portable
+
+ // Mac: don't allow Mac-only filenames - : is a directory separator
+ // instead of /, but we rely on / working already, so there's no reason to
+ // support a Mac-only path
+ // Amiga and Windows: : tries to go to root of drive
+ if (strstr(path, ":"))
+ return 1; // non-portable attempt to go to root of drive
+
+ // Amiga: // is parent directory
+ if (strstr(path, "//"))
+ return 1; // non-portable attempt to go to parent directory
+
+ // all: don't allow going to current directory (./) or parent directory (../ or /../)
+ if (strstr(path, "./"))
+ return 2; // attempt to go outside the game directory
+
+ // Windows and UNIXes: don't allow absolute paths
+ if (path[0] == '/')
+ return 2; // attempt to go outside the game directory
+
+ // after all these checks we're pretty sure it's a / separated filename
+ // and won't do much if any harm
+ return false;
+}
-If the requested file is inside a packfile, a new qfile_t* will be opened
-into the file.
-Sets fs_filesize
-===========
+/*
+====================
+FS_FindFile
+
+Look for a file in the packages and in the filesystem
+
+Return the searchpath where the file was found (or NULL)
+and the file index in the package if relevant
+====================
*/
-qfile_t *FS_FOpenFile (const char *filename, qboolean quiet)
+static searchpath_t *FS_FindFile (const char *name, int* index, qboolean quiet)
{
searchpath_t *search;
- char netpath[MAX_OSPATH];
pack_t *pak;
- int i, filenamelen;
-
- filenamelen = strlen (filename);
// search through the path, one element at a time
- search = fs_searchpaths;
-
- for ( ; search ; search = search->next)
+ for (search = fs_searchpaths;search;search = search->next)
{
// is the element a pak file?
if (search->pack)
{
- // look through all the pak file elements
+ int (*strcmp_funct) (const char* str1, const char* str2);
+ int left, right, middle;
+
pak = search->pack;
- for (i=0 ; i<pak->numfiles ; i++)
- if (!strcmp (pak->files[i].name, filename))
- { // found it!
+ strcmp_funct = pak->ignorecase ? strcasecmp : strcmp;
+
+ // Look for the file (binary search)
+ left = 0;
+ right = pak->numfiles - 1;
+ while (left <= right)
+ {
+ int diff;
+
+ middle = (left + right) / 2;
+ diff = strcmp_funct (pak->files[middle].name, name);
+
+ // Found it
+ if (!diff)
+ {
if (!quiet)
- Sys_Printf ("PackFile: %s : %s\n",pak->filename, pak->files[i].name);
- // open a new file in the pakfile
- return FS_OpenRead (pak->filename, pak->files[i].filepos, pak->files[i].filelen);
+ Con_DPrintf("FS_FindFile: %s in %s\n",
+ pak->files[middle].name, pak->filename);
+
+ if (index != NULL)
+ *index = middle;
+ return search;
}
+
+ // If we're too far in the list
+ if (diff > 0)
+ right = middle - 1;
+ else
+ left = middle + 1;
+ }
}
else
{
- sprintf (netpath, "%s/%s",search->filename, filename);
-
- if (!FS_SysFileExists (netpath))
- continue;
+ char netpath[MAX_OSPATH];
+ dpsnprintf(netpath, sizeof(netpath), "%s%s", search->filename, name);
+ if (FS_SysFileExists (netpath))
+ {
+ if (!quiet)
+ Con_DPrintf("FS_FindFile: %s\n", netpath);
- if (!quiet)
- Sys_Printf ("FindFile: %s\n",netpath);
- return FS_OpenRead (netpath, -1, -1);
+ if (index != NULL)
+ *index = -1;
+ return search;
+ }
}
}
if (!quiet)
- Sys_Printf ("FindFile: can't find %s\n", filename);
+ Con_DPrintf("FS_FindFile: can't find %s\n", name);
- fs_filesize = -1;
+ if (index != NULL)
+ *index = -1;
return NULL;
}
+/*
+===========
+FS_OpenReadFile
+
+Look for a file in the search paths and open it in read-only mode
+
+Sets fs_filesize
+===========
+*/
+qfile_t *FS_OpenReadFile (const char *filename, qboolean quiet, qboolean nonblocking)
+{
+ searchpath_t *search;
+ int pack_ind;
+
+ search = FS_FindFile (filename, &pack_ind, quiet);
+
+ // Not found?
+ if (search == NULL)
+ {
+ fs_filesize = 0;
+ return NULL;
+ }
+
+ // Found in the filesystem?
+ if (pack_ind < 0)
+ {
+ char path [MAX_OSPATH];
+ dpsnprintf (path, sizeof (path), "%s%s", search->filename, filename);
+ return FS_SysOpen (path, "rb", nonblocking);
+ }
+
+ // So, we found it in a package...
+ return FS_OpenPackedFile (search->pack, pack_ind);
+}
+
+
+/*
+=============================================================================
+
+MAIN PUBLIC FUNCTIONS
+
+=============================================================================
+*/
+
/*
====================
FS_Open
-Open a file. The syntax is the same as fopen
-====================
-*/
-qfile_t* FS_Open (const char* filepath, const char* mode, qboolean quiet)
-{
- // If the file is opened in "write" or "append" mode
- if (strchr (mode, 'w') || strchr (mode, 'a'))
+Open a file. The syntax is the same as fopen
+====================
+*/
+qfile_t* FS_Open (const char* filepath, const char* mode, qboolean quiet, qboolean nonblocking)
+{
+ qfile_t* file;
+
+ if (FS_CheckNastyPath(filepath))
+ {
+ Con_Printf("FS_Open(\"%s\", \"%s\", %s): nasty filename rejected\n", filepath, mode, quiet ? "true" : "false");
+ return NULL;
+ }
+
+ // If the file is opened in "write", "append", or "read/write" mode
+ if (mode[0] == 'w' || mode[0] == 'a' || strchr (mode, '+'))
{
char real_path [MAX_OSPATH];
// Open the file on disk directly
- snprintf (real_path, sizeof (real_path), "%s/%s", fs_gamedir, filepath);
- return FS_SysOpen (real_path, mode);
+ dpsnprintf (real_path, sizeof (real_path), "%s%s", fs_gamedir, filepath);
+
+ // Create directories up to the file
+ FS_CreatePath (real_path);
+
+ return FS_SysOpen (real_path, mode, nonblocking);
}
- // Else, we look at the various search paths
- return FS_FOpenFile (filepath, quiet);
+ // Else, we look at the various search paths and open the file in read-only mode
+ file = FS_OpenReadFile (filepath, quiet, nonblocking);
+ if (file != NULL)
+ fs_filesize = file->real_length;
+
+ return file;
}
*/
int FS_Close (qfile_t* file)
{
- if (fclose (file->stream))
+ if (close (file->handle))
return EOF;
+ if (file->ztk)
+ {
+ qz_inflateEnd (&file->ztk->zstream);
+ Mem_Free (file->ztk);
+ }
+
Mem_Free (file);
return 0;
}
Write "datasize" bytes into a file
====================
*/
-size_t FS_Write (qfile_t* file, const void* data, size_t datasize)
+fs_offset_t FS_Write (qfile_t* file, const void* data, size_t datasize)
{
- return fwrite (data, 1, datasize, file->stream);
+ fs_offset_t result;
+
+ // If necessary, seek to the exact file position we're supposed to be
+ if (file->buff_ind != file->buff_len)
+ lseek (file->handle, file->buff_ind - file->buff_len, SEEK_CUR);
+
+ // Purge cached data
+ FS_Purge (file);
+
+ // Write the buffer and update the position
+ result = write (file->handle, data, (fs_offset_t)datasize);
+ file->position = lseek (file->handle, 0, SEEK_CUR);
+ if (file->real_length < file->position)
+ file->real_length = file->position;
+
+ if (result < 0)
+ return 0;
+
+ return result;
}
Read up to "buffersize" bytes from a file
====================
*/
-size_t FS_Read (qfile_t* file, void* buffer, size_t buffersize)
+fs_offset_t FS_Read (qfile_t* file, void* buffer, size_t buffersize)
{
- size_t nb;
+ fs_offset_t count, done;
+
+ if (buffersize == 0)
+ return 0;
+
+ // Get rid of the ungetc character
+ if (file->ungetc != EOF)
+ {
+ ((char*)buffer)[0] = file->ungetc;
+ buffersize--;
+ file->ungetc = EOF;
+ done = 1;
+ }
+ else
+ done = 0;
+
+ // First, we copy as many bytes as we can from "buff"
+ if (file->buff_ind < file->buff_len)
+ {
+ count = file->buff_len - file->buff_ind;
+
+ done += ((fs_offset_t)buffersize > count) ? count : (fs_offset_t)buffersize;
+ memcpy (buffer, &file->buff[file->buff_ind], done);
+ file->buff_ind += done;
- // If the file belongs to a package, we must take care
- // to not read after the end of the file
- if (file->flags & FS_FLAG_PACKED)
+ buffersize -= done;
+ if (buffersize == 0)
+ return done;
+ }
+
+ // NOTE: at this point, the read buffer is always empty
+
+ // If the file isn't compressed
+ if (! (file->flags & QFILE_FLAG_DEFLATED))
{
- size_t remain = file->length - file->position;
- if (buffersize > remain)
- buffersize = remain;
+ fs_offset_t nb;
+
+ // We must take care to not read after the end of the file
+ count = file->real_length - file->position;
+
+ // If we have a lot of data to get, put them directly into "buffer"
+ if (buffersize > sizeof (file->buff) / 2)
+ {
+ if (count > (fs_offset_t)buffersize)
+ count = (fs_offset_t)buffersize;
+ lseek (file->handle, file->offset + file->position, SEEK_SET);
+ nb = read (file->handle, &((qbyte*)buffer)[done], count);
+ if (nb > 0)
+ {
+ done += nb;
+ file->position += nb;
+
+ // Purge cached data
+ FS_Purge (file);
+ }
+ }
+ else
+ {
+ if (count > (fs_offset_t)sizeof (file->buff))
+ count = (fs_offset_t)sizeof (file->buff);
+ lseek (file->handle, file->offset + file->position, SEEK_SET);
+ nb = read (file->handle, file->buff, count);
+ if (nb > 0)
+ {
+ file->buff_len = nb;
+ file->position += nb;
+
+ // Copy the requested data in "buffer" (as much as we can)
+ count = (fs_offset_t)buffersize > file->buff_len ? file->buff_len : (fs_offset_t)buffersize;
+ memcpy (&((qbyte*)buffer)[done], file->buff, count);
+ file->buff_ind = count;
+ done += count;
+ }
+ }
+
+ return done;
}
- nb = fread (buffer, 1, buffersize, file->stream);
+ // If the file is compressed, it's more complicated...
+ // We cycle through a few operations until we have read enough data
+ while (buffersize > 0)
+ {
+ ztoolkit_t *ztk = file->ztk;
+ int error;
+
+ // NOTE: at this point, the read buffer is always empty
+
+ // If "input" is also empty, we need to refill it
+ if (ztk->in_ind == ztk->in_len)
+ {
+ // If we are at the end of the file
+ if (file->position == file->real_length)
+ return done;
+
+ count = (fs_offset_t)(ztk->comp_length - ztk->in_position);
+ if (count > (fs_offset_t)sizeof (ztk->input))
+ count = (fs_offset_t)sizeof (ztk->input);
+ lseek (file->handle, file->offset + (fs_offset_t)ztk->in_position, SEEK_SET);
+ if (read (file->handle, ztk->input, count) != count)
+ {
+ Con_Printf ("FS_Read: unexpected end of file");
+ break;
+ }
+
+ ztk->in_ind = 0;
+ ztk->in_len = count;
+ ztk->in_position += count;
+ }
+
+ ztk->zstream.next_in = &ztk->input[ztk->in_ind];
+ ztk->zstream.avail_in = (unsigned int)(ztk->in_len - ztk->in_ind);
+
+ // Now that we are sure we have compressed data available, we need to determine
+ // if it's better to inflate it in "file->buff" or directly in "buffer"
+
+ // Inflate the data in "file->buff"
+ if (buffersize < sizeof (file->buff) / 2)
+ {
+ ztk->zstream.next_out = file->buff;
+ ztk->zstream.avail_out = sizeof (file->buff);
+ error = qz_inflate (&ztk->zstream, Z_SYNC_FLUSH);
+ if (error != Z_OK && error != Z_STREAM_END)
+ {
+ Con_Printf ("FS_Read: Can't inflate file");
+ break;
+ }
+ ztk->in_ind = ztk->in_len - ztk->zstream.avail_in;
+
+ file->buff_len = (fs_offset_t)sizeof (file->buff) - ztk->zstream.avail_out;
+ file->position += file->buff_len;
+
+ // Copy the requested data in "buffer" (as much as we can)
+ count = (fs_offset_t)buffersize > file->buff_len ? file->buff_len : (fs_offset_t)buffersize;
+ memcpy (&((qbyte*)buffer)[done], file->buff, count);
+ file->buff_ind = count;
+ }
+
+ // Else, we inflate directly in "buffer"
+ else
+ {
+ ztk->zstream.next_out = &((qbyte*)buffer)[done];
+ ztk->zstream.avail_out = (unsigned int)buffersize;
+ error = qz_inflate (&ztk->zstream, Z_SYNC_FLUSH);
+ if (error != Z_OK && error != Z_STREAM_END)
+ {
+ Con_Printf ("FS_Read: Can't inflate file");
+ break;
+ }
+ ztk->in_ind = ztk->in_len - ztk->zstream.avail_in;
+
+ // How much data did it inflate?
+ count = (fs_offset_t)(buffersize - ztk->zstream.avail_out);
+ file->position += count;
+
+ // Purge cached data
+ FS_Purge (file);
+ }
- // Update the position index if the file is packed
- if ((file->flags & FS_FLAG_PACKED) && nb > 0)
- file->position += nb;
+ done += count;
+ buffersize -= count;
+ }
- return nb;
+ return done;
}
/*
====================
-FS_Flush
+FS_Print
-Flush the file output stream
+Print a string into a file
====================
*/
-int FS_Flush (qfile_t* file)
+int FS_Print (qfile_t* file, const char *msg)
{
- return fflush (file->stream);
+ return (int)FS_Write (file, msg, strlen (msg));
}
-
/*
====================
FS_Printf
Print a string into a file
====================
*/
-int FS_Printf (qfile_t* file, const char* format, ...)
+int FS_Printf(qfile_t* file, const char* format, ...)
{
int result;
va_list args;
va_start (args, format);
- result = vfprintf (file->stream, format, args);
+ result = FS_VPrintf (file, format, args);
va_end (args);
return result;
/*
====================
-FS_Getc
+FS_VPrintf
-Get the next character of a file
+Print a string into a file
====================
*/
-int FS_Getc (qfile_t* file)
+int FS_VPrintf (qfile_t* file, const char* format, va_list ap)
{
- int c;
-
- // If the file belongs to a package, we must take care
- // to not read after the end of the file
- if (file->flags & FS_FLAG_PACKED)
+ int len;
+ fs_offset_t buff_size;
+ char *tempbuff = NULL;
+
+ buff_size = 1024;
+ tempbuff = (char *)Mem_Alloc (tempmempool, buff_size);
+ len = dpvsnprintf (tempbuff, buff_size, format, ap);
+ while (len < 0)
{
- if (file->position >= file->length)
- return EOF;
+ Mem_Free (tempbuff);
+ buff_size *= 2;
+ tempbuff = (char *)Mem_Alloc (tempmempool, buff_size);
+ len = dpvsnprintf (tempbuff, buff_size, format, ap);
}
- c = fgetc (file->stream);
+ len = write (file->handle, tempbuff, len);
+ Mem_Free (tempbuff);
- // Update the position index if the file is packed
- if ((file->flags & FS_FLAG_PACKED) && c != EOF)
- file->position++;
-
- return c;
+ return len;
}
/*
====================
-FS_Seek
+FS_Getc
-Move the position index in a file
+Get the next character of a file
====================
*/
-int FS_Seek (qfile_t* file, long offset, int whence)
+int FS_Getc (qfile_t* file)
{
- // Packed files receive a special treatment
- if (file->flags & FS_FLAG_PACKED)
- {
- switch (whence)
- {
- case SEEK_CUR:
- offset += file->position;
- // It continues on the next case (no break)
-
- case SEEK_SET:
- if (offset < 0 || offset > file->length)
- return -1;
- if (fseek (file->stream, file->offset + offset, SEEK_SET) == -1)
- return -1;
- file->position = offset;
- return 0;
-
- case SEEK_END:
- if (offset > 0 || -offset > file->length)
- return -1;
- if (fseek (file->stream, file->offset + file->length + offset, SEEK_SET) == -1)
- return -1;
- file->position = file->length + offset;
- return 0;
+ char c;
- default:
- return -1;
- }
- }
+ if (FS_Read (file, &c, 1) != 1)
+ return EOF;
- return fseek (file->stream, offset, whence);
+ return c;
}
/*
====================
-FS_Tell
+FS_UnGetc
-Give the current position in a file
+Put a character back into the read buffer (only supports one character!)
====================
*/
-long FS_Tell (qfile_t* file)
+int FS_UnGetc (qfile_t* file, unsigned char c)
{
- if (file->flags & FS_FLAG_PACKED)
- return file->position;
+ // If there's already a character waiting to be read
+ if (file->ungetc != EOF)
+ return EOF;
- return ftell (file->stream);
+ file->ungetc = c;
+ return c;
}
/*
====================
-FS_Gets
+FS_Seek
-Extract a line from a file
+Move the position index in a file
====================
*/
-char* FS_Gets (qfile_t* file, char* buffer, int buffersize)
+int FS_Seek (qfile_t* file, fs_offset_t offset, int whence)
{
- if (!fgets (buffer, buffersize, file->stream))
- return NULL;
+ ztoolkit_t *ztk;
+ qbyte* buffer;
+ fs_offset_t buffersize;
+
+ // Compute the file offset
+ switch (whence)
+ {
+ case SEEK_CUR:
+ offset += file->position - file->buff_len + file->buff_ind;
+ break;
+
+ case SEEK_SET:
+ break;
+
+ case SEEK_END:
+ offset += file->real_length;
+ break;
+
+ default:
+ return -1;
+ }
+ if (offset < 0 || offset > (long) file->real_length)
+ return -1;
+
+ // If we have the data in our read buffer, we don't need to actually seek
+ if (file->position - file->buff_len <= offset && offset <= file->position)
+ {
+ file->buff_ind = offset + file->buff_len - file->position;
+ return 0;
+ }
+
+ // Purge cached data
+ FS_Purge (file);
+
+ // Unpacked or uncompressed files can seek directly
+ if (! (file->flags & QFILE_FLAG_DEFLATED))
+ {
+ if (lseek (file->handle, file->offset + offset, SEEK_SET) == -1)
+ return -1;
+ file->position = offset;
+ return 0;
+ }
- // Check that we didn't read after the end of a packed file, and update the position
- if (file->flags & FS_FLAG_PACKED)
+ // Seeking in compressed files is more a hack than anything else,
+ // but we need to support it, so here we go.
+ ztk = file->ztk;
+
+ // If we have to go back in the file, we need to restart from the beginning
+ if (offset <= file->position)
+ {
+ ztk->in_ind = 0;
+ ztk->in_len = 0;
+ ztk->in_position = 0;
+ file->position = 0;
+ lseek (file->handle, file->offset, SEEK_SET);
+
+ // Reset the Zlib stream
+ ztk->zstream.next_in = ztk->input;
+ ztk->zstream.avail_in = 0;
+ qz_inflateReset (&ztk->zstream);
+ }
+
+ // We need a big buffer to force inflating into it directly
+ buffersize = 2 * sizeof (file->buff);
+ buffer = (qbyte *)Mem_Alloc (tempmempool, buffersize);
+
+ // Skip all data until we reach the requested offset
+ while (offset > file->position)
{
- size_t len = strlen (buffer);
- size_t max = file->length - file->position;
+ fs_offset_t diff = offset - file->position;
+ fs_offset_t count, len;
- if (len > max)
+ count = (diff > buffersize) ? buffersize : diff;
+ len = FS_Read (file, buffer, count);
+ if (len != count)
{
- buffer[max] = '\0';
- file->position = file->length;
+ Mem_Free (buffer);
+ return -1;
}
- else
- file->position += len;
}
- return buffer;
+ Mem_Free (buffer);
+ return 0;
}
/*
-==========
-FS_Getline
+====================
+FS_Tell
-Dynamic length version of fgets. DO NOT free the buffer.
-==========
+Give the current position in a file
+====================
*/
-char *FS_Getline (qfile_t *file)
+fs_offset_t FS_Tell (qfile_t* file)
{
- static int size = 256;
- static char *buf = 0;
- char *t;
- int len;
-
- if (!buf)
- buf = Mem_Alloc (fs_mempool, size);
-
- if (!FS_Gets (file, buf, size))
- return 0;
-
- len = strlen (buf);
- while (buf[len - 1] != '\n' && buf[len - 1] != '\r')
- {
- t = Mem_Alloc (fs_mempool, size + 256);
- memcpy(t, buf, size);
- Mem_Free(buf);
- size += 256;
- buf = t;
- if (!FS_Gets (file, buf + len, size - len))
- break;
- len = strlen (buf);
- }
- while ((len = strlen(buf)) && (buf[len - 1] == '\n' || buf[len - 1] == '\r'))
- buf[len - 1] = 0;
- return buf;
+ return file->position - file->buff_len + file->buff_ind;
}
/*
====================
-FS_Eof
+FS_Purge
-Extract a line from a file
+Erases any buffered input or output data
====================
*/
-int FS_Eof (qfile_t* file)
+void FS_Purge (qfile_t* file)
{
- if (file->flags & FS_FLAG_PACKED)
- return (file->position == file->length);
-
- return feof (file->stream);
+ file->buff_len = 0;
+ file->buff_ind = 0;
+ file->ungetc = EOF;
}
Always appends a 0 byte.
============
*/
-qbyte *FS_LoadFile (const char *path, qboolean quiet)
+qbyte *FS_LoadFile (const char *path, mempool_t *pool, qboolean quiet)
{
- qfile_t *h;
+ qfile_t *file;
qbyte *buf;
- // look for it in the filesystem or pack files
- h = FS_Open (path, "rb", quiet);
- if (!h)
+ file = FS_Open (path, "rb", quiet, false);
+ if (!file)
return NULL;
- buf = Mem_Alloc(tempmempool, fs_filesize+1);
- if (!buf)
- Sys_Error ("FS_LoadFile: not enough available memory for %s (size %i)", path, fs_filesize);
+ buf = (qbyte *)Mem_Alloc (pool, fs_filesize + 1);
+ buf[fs_filesize] = '\0';
- ((qbyte *)buf)[fs_filesize] = 0;
-
- FS_Read (h, buf, fs_filesize);
- FS_Close (h);
+ FS_Read (file, buf, fs_filesize);
+ FS_Close (file);
return buf;
}
The filename will be prefixed by the current game directory
============
*/
-qboolean FS_WriteFile (const char *filename, void *data, int len)
+qboolean FS_WriteFile (const char *filename, void *data, fs_offset_t len)
{
- FILE *handle;
- char name[MAX_OSPATH];
-
- sprintf (name, "%s/%s", fs_gamedir, filename);
+ qfile_t *file;
- // Create directories up to the file
- FS_CreatePath (name);
-
- handle = fopen (name, "wb");
- if (!handle)
+ file = FS_Open (filename, "wb", false, false);
+ if (!file)
{
- Con_Printf ("FS_WriteFile: failed on %s\n", name);
+ Con_Printf("FS_WriteFile: failed on %s\n", filename);
return false;
}
- Con_DPrintf ("FS_WriteFile: %s\n", name);
- fwrite (data, 1, len, handle);
- fclose (handle);
+ Con_DPrintf("FS_WriteFile: %s\n", filename);
+ FS_Write (file, data, len);
+ FS_Close (file);
return true;
}
/*
=============================================================================
-OTHERS FUNCTIONS
+OTHERS PUBLIC FUNCTIONS
=============================================================================
*/
FS_StripExtension
============
*/
-void FS_StripExtension (const char *in, char *out)
+void FS_StripExtension (const char *in, char *out, size_t size_out)
{
char *last = NULL;
- while (*in)
+
+ if (size_out == 0)
+ return;
+
+ while (*in && size_out > 1)
{
if (*in == '.')
last = out;
else if (*in == '/' || *in == '\\' || *in == ':')
last = NULL;
*out++ = *in++;
+ size_out--;
}
if (last)
*last = 0;
FS_DefaultExtension
==================
*/
-void FS_DefaultExtension (char *path, const char *extension)
+void FS_DefaultExtension (char *path, const char *extension, size_t size_path)
{
const char *src;
src--;
}
- strcat (path, extension);
+ strlcat (path, extension, size_path);
}
+/*
+==================
+FS_FileExists
+
+Look for a file in the packages and in the filesystem
+==================
+*/
qboolean FS_FileExists (const char *filename)
{
- searchpath_t *search;
- char netpath[MAX_OSPATH];
- pack_t *pak;
- int i;
-
- for (search = fs_searchpaths;search;search = search->next)
- {
- if (search->pack)
- {
- pak = search->pack;
- for (i = 0;i < pak->numfiles;i++)
- if (!strcmp (pak->files[i].name, filename))
- return true;
- }
- else
- {
- sprintf (netpath, "%s/%s",search->filename, filename);
- if (FS_SysFileExists (netpath))
- return true;
- }
- }
-
- return false;
+ return (FS_FindFile (filename, NULL, true) != NULL);
}
+/*
+==================
+FS_SysFileExists
+
+Look for a file in the filesystem only
+==================
+*/
qboolean FS_SysFileExists (const char *path)
{
#if WIN32
- FILE *f;
+ int desc;
- f = fopen (path, "rb");
- if (f)
- {
- fclose (f);
- return true;
- }
+ // TODO: use another function instead, to avoid opening the file
+ desc = open (path, O_RDONLY | O_BINARY);
+ if (desc < 0)
+ return false;
- return false;
+ close (desc);
+ return true;
#else
struct stat buf;
mkdir (path, 0777);
#endif
}
+
+/*
+===========
+FS_Search
+
+Allocate and fill a search structure with information on matching filenames.
+===========
+*/
+fssearch_t *FS_Search(const char *pattern, int caseinsensitive, int quiet)
+{
+ fssearch_t *search;
+ searchpath_t *searchpath;
+ pack_t *pak;
+ int i, basepathlength, numfiles, numchars;
+ stringlist_t *dir, *dirfile, *liststart, *listcurrent, *listtemp;
+ const char *slash, *backslash, *colon, *separator;
+ char *basepath;
+ char netpath[MAX_OSPATH];
+ char temp[MAX_OSPATH];
+
+ for (i = 0;pattern[i] == '.' || pattern[i] == ':' || pattern[i] == '/' || pattern[i] == '\\';i++)
+ ;
+
+ if (i > 0)
+ {
+ Con_Printf("Don't use punctuation at the beginning of a search pattern!\n");
+ return NULL;
+ }
+
+ search = NULL;
+ liststart = NULL;
+ listcurrent = NULL;
+ listtemp = NULL;
+ slash = strrchr(pattern, '/');
+ backslash = strrchr(pattern, '\\');
+ colon = strrchr(pattern, ':');
+ separator = max(slash, backslash);
+ separator = max(separator, colon);
+ basepathlength = separator ? (separator + 1 - pattern) : 0;
+ basepath = (char *)Mem_Alloc (tempmempool, basepathlength + 1);
+ if (basepathlength)
+ memcpy(basepath, pattern, basepathlength);
+ basepath[basepathlength] = 0;
+
+ // search through the path, one element at a time
+ for (searchpath = fs_searchpaths;searchpath;searchpath = searchpath->next)
+ {
+ // is the element a pak file?
+ if (searchpath->pack)
+ {
+ // look through all the pak file elements
+ pak = searchpath->pack;
+ for (i = 0;i < pak->numfiles;i++)
+ {
+ strcpy(temp, pak->files[i].name);
+ while (temp[0])
+ {
+ if (matchpattern(temp, (char *)pattern, true))
+ {
+ for (listtemp = liststart;listtemp;listtemp = listtemp->next)
+ if (!strcmp(listtemp->text, temp))
+ break;
+ if (listtemp == NULL)
+ {
+ listcurrent = stringlistappend(listcurrent, temp);
+ if (liststart == NULL)
+ liststart = listcurrent;
+ if (!quiet)
+ Con_DPrintf("SearchPackFile: %s : %s\n", pak->filename, temp);
+ }
+ }
+ // strip off one path element at a time until empty
+ // this way directories are added to the listing if they match the pattern
+ slash = strrchr(temp, '/');
+ backslash = strrchr(temp, '\\');
+ colon = strrchr(temp, ':');
+ separator = temp;
+ if (separator < slash)
+ separator = slash;
+ if (separator < backslash)
+ separator = backslash;
+ if (separator < colon)
+ separator = colon;
+ *((char *)separator) = 0;
+ }
+ }
+ }
+ else
+ {
+ // get a directory listing and look at each name
+ dpsnprintf(netpath, sizeof (netpath), "%s%s", searchpath->filename, basepath);
+ if ((dir = listdirectory(netpath)))
+ {
+ for (dirfile = dir;dirfile;dirfile = dirfile->next)
+ {
+ dpsnprintf(temp, sizeof(temp), "%s%s", basepath, dirfile->text);
+ if (matchpattern(temp, (char *)pattern, true))
+ {
+ for (listtemp = liststart;listtemp;listtemp = listtemp->next)
+ if (!strcmp(listtemp->text, temp))
+ break;
+ if (listtemp == NULL)
+ {
+ listcurrent = stringlistappend(listcurrent, temp);
+ if (liststart == NULL)
+ liststart = listcurrent;
+ if (!quiet)
+ Con_DPrintf("SearchDirFile: %s\n", temp);
+ }
+ }
+ }
+ freedirectory(dir);
+ }
+ }
+ }
+
+ if (liststart)
+ {
+ liststart = stringlistsort(liststart);
+ numfiles = 0;
+ numchars = 0;
+ for (listtemp = liststart;listtemp;listtemp = listtemp->next)
+ {
+ numfiles++;
+ numchars += (int)strlen(listtemp->text) + 1;
+ }
+ search = (fssearch_t *)Z_Malloc(sizeof(fssearch_t) + numchars + numfiles * sizeof(char *));
+ search->filenames = (char **)((char *)search + sizeof(fssearch_t));
+ search->filenamesbuffer = (char *)((char *)search + sizeof(fssearch_t) + numfiles * sizeof(char *));
+ search->numfilenames = (int)numfiles;
+ numfiles = 0;
+ numchars = 0;
+ for (listtemp = liststart;listtemp;listtemp = listtemp->next)
+ {
+ search->filenames[numfiles] = search->filenamesbuffer + numchars;
+ strcpy(search->filenames[numfiles], listtemp->text);
+ numfiles++;
+ numchars += (int)strlen(listtemp->text) + 1;
+ }
+ if (liststart)
+ stringlistfree(liststart);
+ }
+
+ Mem_Free(basepath);
+ return search;
+}
+
+void FS_FreeSearch(fssearch_t *search)
+{
+ Z_Free(search);
+}
+
+extern int con_linewidth;
+int FS_ListDirectory(const char *pattern, int oneperline)
+{
+ int numfiles;
+ int numcolumns;
+ int numlines;
+ int columnwidth;
+ int linebufpos;
+ int i, j, k, l;
+ const char *name;
+ char linebuf[4096];
+ fssearch_t *search;
+ search = FS_Search(pattern, true, true);
+ if (!search)
+ return 0;
+ numfiles = search->numfilenames;
+ if (!oneperline)
+ {
+ // FIXME: the names could be added to one column list and then
+ // gradually shifted into the next column if they fit, and then the
+ // next to make a compact variable width listing but it's a lot more
+ // complicated...
+ // find width for columns
+ columnwidth = 0;
+ for (i = 0;i < numfiles;i++)
+ {
+ l = (int)strlen(search->filenames[i]);
+ if (columnwidth < l)
+ columnwidth = l;
+ }
+ // count the spacing character
+ columnwidth++;
+ // calculate number of columns
+ numcolumns = con_linewidth / columnwidth;
+ // don't bother with the column printing if it's only one column
+ if (numcolumns >= 2)
+ {
+ numlines = (numfiles + numcolumns - 1) / numcolumns;
+ for (i = 0;i < numlines;i++)
+ {
+ linebufpos = 0;
+ for (k = 0;k < numcolumns;k++)
+ {
+ l = i * numcolumns + k;
+ if (l < numfiles)
+ {
+ name = search->filenames[l];
+ for (j = 0;name[j] && linebufpos + 1 < (int)sizeof(linebuf);j++)
+ linebuf[linebufpos++] = name[j];
+ // space out name unless it's the last on the line
+ if (k + 1 < numcolumns && l + 1 < numfiles)
+ for (;j < columnwidth && linebufpos + 1 < (int)sizeof(linebuf);j++)
+ linebuf[linebufpos++] = ' ';
+ }
+ }
+ linebuf[linebufpos] = 0;
+ Con_Printf("%s\n", linebuf);
+ }
+ }
+ else
+ oneperline = true;
+ }
+ if (oneperline)
+ for (i = 0;i < numfiles;i++)
+ Con_Printf("%s\n", search->filenames[i]);
+ FS_FreeSearch(search);
+ return (int)numfiles;
+}
+
+static void FS_ListDirectoryCmd (const char* cmdname, int oneperline)
+{
+ const char *pattern;
+ if (Cmd_Argc() > 3)
+ {
+ Con_Printf("usage:\n%s [path/pattern]\n", cmdname);
+ return;
+ }
+ if (Cmd_Argc() == 2)
+ pattern = Cmd_Argv(1);
+ else
+ pattern = "*";
+ if (!FS_ListDirectory(pattern, oneperline))
+ Con_Print("No files found.\n");
+}
+
+void FS_Dir_f(void)
+{
+ FS_ListDirectoryCmd("dir", true);
+}
+
+void FS_Ls_f(void)
+{
+ FS_ListDirectoryCmd("ls", false);
+}
+
projects / xonotic / darkplaces.git / blobdiff