2 Copyright (C) 1999-2007 id Software, Inc. and contributors.
3 For a list of contributors, see the accompanying CONTRIBUTORS file.
5 This file is part of GtkRadiant.
7 GtkRadiant is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 GtkRadiant is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GtkRadiant; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 // Nurail: Swiped from quake3/common
25 #include "globaldefs.h"
29 #include <sys/types.h>
35 #else // !GDEF_OS_WINDOWS
37 #endif // !GDEF_OS_WINDOWS
43 #define BASEDIRNAME "quake" // assumed to have a 2 or 3 following
44 #define HERETIC2_BASEDIRNAME "h"
45 #define PATHSEPERATOR '/'
47 // qboolean verbose = false;
49 void *safe_malloc( size_t size ){
54 Error( "safe_malloc failed on allocation of %i bytes", size );
61 void *safe_malloc_info( size_t size, char* info ){
66 Error( "%s: safe_malloc failed on allocation of %i bytes", info, size );
73 // set these before calling CheckParm
81 char archivedir[1024];
88 Mimic unix command line expansion
91 #define MAX_EX_ARGC 1024
93 char *ex_argv[MAX_EX_ARGC];
96 void ExpandWildcards( int *argc, char ***argv ){
97 struct _finddata_t fileinfo;
105 for ( i = 0 ; i < *argc ; i++ )
109 || ( !strstr( path, "*" ) && !strstr( path, "?" ) ) ) {
110 ex_argv[ex_argc++] = path;
114 handle = _findfirst( path, &fileinfo );
115 if ( handle == -1 ) {
119 ExtractFilePath( path, filebase );
123 sprintf( filename, "%s%s", filebase, fileinfo.name );
124 ex_argv[ex_argc++] = copystring( filename );
125 } while ( _findnext( handle, &fileinfo ) != -1 );
127 _findclose( handle );
134 void ExpandWildcards( int *argc, char ***argv ){
140 qdir will hold the path up to the quake directory, including the slash
145 gamedir will hold qdir + the game directory (id1, id2, etc)
153 void SetQdirFromPath( const char *path ){
158 char basedirname[256];
160 if ( !( path[0] == '/' || path[0] == '\\' || path[1] == ':' ) ) { // path is partial
162 strcat( temp, path );
166 // search for "quake2" in path
168 if ( !strcmp( game, "heretic2" ) ) {
169 strncpy( basedirname, HERETIC2_BASEDIRNAME, 256 );
172 strncpy( basedirname, BASEDIRNAME, 256 );
175 len = strlen( basedirname );
176 for ( c = path + strlen( path ) - 1 ; c != path ; c-- )
180 if ( !Q_strncasecmp( c, basedirname, len ) ) {
182 //strncpy (qdir, path, c+len+2-path);
183 // the +2 assumes a 2 or 3 following quake which is not the
184 // case with a retail install
185 // so we need to add up how much to the next separator
188 while ( *sep && *sep != '/' && *sep != '\\' )
193 strncpy( qdir, path, c + len + count - path );
194 Sys_FPrintf( SYS_VRB, "qdir: %s\n", qdir );
195 for ( i = 0; i < strlen( qdir ); i++ )
197 if ( qdir[i] == '\\' ) {
205 if ( *c == '/' || *c == '\\' ) {
206 strncpy( gamedir, path, c + 1 - path );
208 for ( i = 0; i < strlen( gamedir ); i++ )
210 if ( gamedir[i] == '\\' ) {
215 Sys_FPrintf( SYS_VRB, "gamedir: %s\n", gamedir );
217 if ( !writedir[0] ) {
218 strcpy( writedir, gamedir );
220 else if ( writedir[strlen( writedir ) - 1] != '/' ) {
221 writedir[strlen( writedir )] = '/';
222 writedir[strlen( writedir ) + 1] = 0;
229 Error( "No gamedir in %s", path );
233 Error( "SetQdirFromPath: no '%s' in %s", basedirname, path );
236 char *ExpandArg( const char *path ){
237 static char full[1024];
239 if ( path[0] != '/' && path[0] != '\\' && path[1] != ':' ) {
241 strcat( full, path );
244 strcpy( full, path );
249 char *ExpandPath( const char *path ){
250 static char full[1024];
252 Error( "ExpandPath called without qdir set" );
254 if ( path[0] == '/' || path[0] == '\\' || path[1] == ':' ) {
255 strcpy( full, path );
258 sprintf( full, "%s%s", qdir, path );
262 char *ExpandGamePath( const char *path ){
263 static char full[1024];
265 Error( "ExpandGamePath called without qdir set" );
267 if ( path[0] == '/' || path[0] == '\\' || path[1] == ':' ) {
268 strcpy( full, path );
271 sprintf( full, "%s%s", gamedir, path );
275 char *ExpandPathAndArchive( const char *path ){
277 char archivename[1024];
279 expanded = ExpandPath( path );
282 sprintf( archivename, "%s/%s", archivedir, path );
283 QCopyFile( expanded, archivename );
289 char *copystring( const char *s ){
291 b = safe_malloc( strlen( s ) + 1 );
303 double I_FloatTime( void ){
310 // more precise, less portable
315 gettimeofday( &tp, &tzp );
319 return tp.tv_usec / 1000000.0;
322 return ( tp.tv_sec - secbase ) + tp.tv_usec / 1000000.0;
326 void Q_getwd( char *out ){
333 // Gef: Changed from getwd() to getcwd() to avoid potential buffer overflow
337 while ( out[i] != 0 )
339 if ( out[i] == '\\' ) {
347 void Q_mkdir( const char *path ){
349 if ( _mkdir( path ) != -1 ) {
353 if ( mkdir( path, 0777 ) != -1 ) {
357 if ( errno != EEXIST ) {
358 Error( "mkdir %s: %s",path, strerror( errno ) );
366 returns -1 if not present
369 int FileTime( const char *path ){
372 if ( stat( path,&buf ) == -1 ) {
385 Parse a token out of a string
388 char *COM_Parse( char *data ){
401 while ( ( c = *data ) <= ' ' )
405 return NULL; // end of file;
411 if ( c == '/' && data[1] == '/' ) {
412 while ( *data && *data != '\n' )
418 // handle quoted strings specially
433 // parse single characters
434 if ( c == '{' || c == '}' || c == ')' || c == '(' || c == '\'' || c == ':' ) {
441 // parse a regular word
448 if ( c == '{' || c == '}' || c == ')' || c == '(' || c == '\'' || c == ':' ) {
457 int Q_strncasecmp( const char *s1, const char *s2, int n ){
466 return 0; // strings are equal until end point
470 if ( c1 >= 'a' && c1 <= 'z' ) {
473 if ( c2 >= 'a' && c2 <= 'z' ) {
477 return -1; // strings not equal
482 return 0; // strings are equal
485 int Q_stricmp( const char *s1, const char *s2 ){
486 return Q_strncasecmp( s1, s2, 99999 );
489 int Q_strcasecmp( const char *s1, const char *s2 ){
490 return Q_strncasecmp( s1, s2, 99999 );
493 // May be already defined with some compilers on Windows
495 char *strupr (char *start)
508 char *strlower( char *start ){
513 *in = tolower( *in );
521 =============================================================================
525 =============================================================================
533 Checks for the given parameter in the program's command line arguments
534 Returns the argument number (1 to argc-1) or 0 if not present
537 int CheckParm( const char *check ){
540 for ( i = 1; i < myargc; i++ )
542 if ( !Q_stricmp( check, myargv[i] ) ) {
557 int Q_filelength( FILE *f ){
562 fseek( f, 0, SEEK_END );
564 fseek( f, pos, SEEK_SET );
570 FILE *SafeOpenWrite( const char *filename ){
573 f = fopen( filename, "wb" );
576 Error( "Error opening %s: %s",filename,strerror( errno ) );
582 FILE *SafeOpenRead( const char *filename ){
585 f = fopen( filename, "rb" );
588 Error( "Error opening %s: %s",filename,strerror( errno ) );
595 void SafeRead( FILE *f, void *buffer, int count ){
596 if ( fread( buffer, 1, count, f ) != (size_t)count ) {
597 Error( "File read failure" );
602 void SafeWrite( FILE *f, const void *buffer, int count ){
603 if ( fwrite( buffer, 1, count, f ) != (size_t)count ) {
604 Error( "File write failure" );
614 qboolean FileExists( const char *filename ){
617 f = fopen( filename, "r" );
630 int LoadFile( const char *filename, void **bufferptr ){
635 f = SafeOpenRead( filename );
636 length = Q_filelength( f );
637 buffer = safe_malloc( length + 1 );
638 ( (char *)buffer )[length] = 0;
639 SafeRead( f, buffer, length );
651 rounds up memory allocation to 4K boundry
655 int LoadFileBlock( const char *filename, void **bufferptr ){
657 int length, nBlock, nAllocSize;
660 f = SafeOpenRead( filename );
661 length = Q_filelength( f );
663 nBlock = nAllocSize % MEM_BLOCKSIZE;
665 nAllocSize += MEM_BLOCKSIZE - nBlock;
667 buffer = safe_malloc( nAllocSize + 1 );
668 memset( buffer, 0, nAllocSize + 1 );
669 SafeRead( f, buffer, length );
684 int TryLoadFile( const char *filename, void **bufferptr ){
691 f = fopen( filename, "rb" );
695 length = Q_filelength( f );
696 buffer = safe_malloc( length + 1 );
697 ( (char *)buffer )[length] = 0;
698 SafeRead( f, buffer, length );
711 void SaveFile( const char *filename, const void *buffer, int count ){
714 f = SafeOpenWrite( filename );
715 SafeWrite( f, buffer, count );
721 void DefaultExtension( char *path, const char *extension ){
724 // if path doesnt have a .EXT, append extension
725 // (extension should include the .)
727 src = path + strlen( path ) - 1;
729 while ( *src != '/' && *src != '\\' && src != path )
732 return; // it has an extension
737 strcat( path, extension );
741 void DefaultPath( char *path, const char *basepath ){
744 if ( path[ 0 ] == '/' || path[ 0 ] == '\\' ) {
745 return; // absolute path location
748 strcpy( path,basepath );
753 void StripFilename( char *path ){
756 length = strlen( path ) - 1;
757 while ( length > 0 && path[length] != '/' && path[ length ] != '\\' )
762 void StripExtension( char *path ){
765 length = strlen( path ) - 1;
766 while ( length > 0 && path[length] != '.' )
769 if ( path[length] == '/' || path[ length ] == '\\' ) {
770 return; // no extension
784 // FIXME: should include the slash, otherwise
785 // backing to an empty path will be wrong when appending a slash
786 void ExtractFilePath( const char *path, char *dest ){
789 src = path + strlen( path ) - 1;
792 // back up until a \ or the start
794 while ( src != path && *( src - 1 ) != '\\' && *( src - 1 ) != '/' )
797 memcpy( dest, path, src - path );
798 dest[src - path] = 0;
801 void ExtractFileBase( const char *path, char *dest ){
804 src = path + strlen( path ) - 1;
807 // back up until a \ or the start
809 while ( src != path && *( src - 1 ) != '/' && *( src - 1 ) != '\\' )
812 while ( *src && *src != '.' )
819 void ExtractFileExtension( const char *path, char *dest ){
822 src = path + strlen( path ) - 1;
825 // back up until a . or the start
827 while ( src != path && *( src - 1 ) != '.' )
830 *dest = 0; // no extension
843 int ParseHex( const char *hex ){
853 if ( *str >= '0' && *str <= '9' ) {
856 else if ( *str >= 'a' && *str <= 'f' ) {
857 num += 10 + *str - 'a';
859 else if ( *str >= 'A' && *str <= 'F' ) {
860 num += 10 + *str - 'A';
863 Error( "Bad hex number: %s",hex );
872 int ParseNum( const char *str ){
873 if ( str[0] == '$' ) {
874 return ParseHex( str + 1 );
876 if ( str[0] == '0' && str[1] == 'x' ) {
877 return ParseHex( str + 2 );
882 // all output ends up through here
883 void FPrintf (int flag, char *buf)
889 void Sys_FPrintf (int flag, const char *format, ...)
891 char out_buffer[4096];
894 if ((flag == SYS_VRB) && (verbose == false))
897 va_start (argptr, format);
898 vsprintf (out_buffer, format, argptr);
901 FPrintf (flag, out_buffer);
904 void Sys_Printf (const char *format, ...)
906 char out_buffer[4096];
909 va_start (argptr, format);
910 vsprintf (out_buffer, format, argptr);
913 FPrintf (SYS_STD, out_buffer);
920 //For abnormal program terminations
923 void Error( const char *error, ...)
925 char out_buffer[4096];
929 va_start (argptr,error);
930 vsprintf (tmp, error, argptr);
933 sprintf( out_buffer, "************ ERROR ************\n%s\n", tmp );
935 FPrintf( SYS_ERR, out_buffer );
943 ============================================================================
947 ============================================================================
950 #if GDEF_ARCH_ENDIAN_BIG
952 short LittleShort( short l ){
956 b2 = ( l >> 8 ) & 255;
958 return ( b1 << 8 ) + b2;
961 short BigShort( short l ){
966 int LittleLong( int l ){
970 b2 = ( l >> 8 ) & 255;
971 b3 = ( l >> 16 ) & 255;
972 b4 = ( l >> 24 ) & 255;
974 return ( (int)b1 << 24 ) + ( (int)b2 << 16 ) + ( (int)b3 << 8 ) + b4;
977 int BigLong( int l ){
982 float LittleFloat( float l ){
983 union {byte b[4]; float f; } in, out;
994 float BigFloat( float l ){
1002 short BigShort( short l ){
1006 b2 = ( l >> 8 ) & 255;
1008 return ( b1 << 8 ) + b2;
1011 short LittleShort( short l ){
1016 int BigLong( int l ){
1020 b2 = ( l >> 8 ) & 255;
1021 b3 = ( l >> 16 ) & 255;
1022 b4 = ( l >> 24 ) & 255;
1024 return ( (int)b1 << 24 ) + ( (int)b2 << 16 ) + ( (int)b3 << 8 ) + b4;
1027 int LittleLong( int l ){
1031 float BigFloat( float l ){
1032 union {byte b[4]; float f; } in, out;
1043 float LittleFloat( float l ){
1051 //=======================================================
1054 // FIXME: byte swap?
1056 // this is a 16 bit, non-reflected CRC using the polynomial 0x1021
1057 // and the initial and final xor values shown below... in other words, the
1058 // CCITT standard CRC used by XMODEM
1060 #define CRC_INIT_VALUE 0xffff
1061 #define CRC_XOR_VALUE 0x0000
1063 static unsigned short crctable[256] =
1065 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
1066 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
1067 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
1068 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
1069 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
1070 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
1071 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
1072 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
1073 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
1074 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
1075 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
1076 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
1077 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
1078 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
1079 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
1080 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
1081 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
1082 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
1083 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
1084 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
1085 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
1086 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
1087 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
1088 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
1089 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
1090 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
1091 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
1092 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
1093 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
1094 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
1095 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
1096 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
1099 void CRC_Init( unsigned short *crcvalue ){
1100 *crcvalue = CRC_INIT_VALUE;
1103 void CRC_ProcessByte( unsigned short *crcvalue, byte data ){
1104 *crcvalue = ( *crcvalue << 8 ) ^ crctable[( *crcvalue >> 8 ) ^ data];
1107 unsigned short CRC_Value( unsigned short crcvalue ){
1108 return crcvalue ^ CRC_XOR_VALUE;
1110 //=============================================================================
1117 void CreatePath( const char *path ){
1125 if ( path[1] == ':' ) {
1126 olddrive = _getdrive();
1127 _chdrive( toupper( path[0] ) - 'A' + 1 );
1131 if ( path[1] == ':' ) {
1135 for ( ofs = path + 1 ; *ofs ; ofs++ )
1138 if ( c == '/' || c == '\\' ) { // create the directory
1139 memcpy( dir, path, ofs - path );
1140 dir[ ofs - path ] = 0;
1146 if ( olddrive != -1 ) {
1147 _chdrive( olddrive );
1157 Used to archive source files
1160 void QCopyFile( const char *from, const char *to ){
1164 length = LoadFile( from, &buffer );
1166 SaveFile( to, buffer, length );
1170 void Sys_Sleep( int n ){
1173 #else // !GDEF_OS_WINDOWS
1175 #endif // !GDEF_OS_WINDOWS