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
24 // from an intial copy of common/cmdlib.c
25 // stripped out the Sys_Printf Sys_Printf stuff
28 // merging alpha branch into trunk
29 // replaced qprintf with Sys_Printf
34 #include <sys/types.h>
42 #if defined ( __linux__ ) || defined ( __APPLE__ )
50 #define BASEDIRNAME "quake" // assumed to have a 2 or 3 following
51 #define PATHSEPERATOR '/'
54 void *safe_malloc( size_t size ){
59 Error( "safe_malloc failed on allocation of %i bytes", size );
65 void *safe_malloc_info( size_t size, char* info ){
70 Error( "%s: safe_malloc failed on allocation of %i bytes", info, size );
77 // set these before calling CheckParm
85 char archivedir[1024];
92 Mimic unix command line expansion
95 #define MAX_EX_ARGC 1024
97 char *ex_argv[MAX_EX_ARGC];
100 void ExpandWildcards( int *argc, char ***argv ){
101 struct _finddata_t fileinfo;
109 for ( i = 0 ; i < *argc ; i++ )
113 || ( !strstr( path, "*" ) && !strstr( path, "?" ) ) ) {
114 ex_argv[ex_argc++] = path;
118 handle = _findfirst( path, &fileinfo );
119 if ( handle == -1 ) {
123 ExtractFilePath( path, filebase );
127 sprintf( filename, "%s%s", filebase, fileinfo.name );
128 ex_argv[ex_argc++] = copystring( filename );
129 } while ( _findnext( handle, &fileinfo ) != -1 );
131 _findclose( handle );
138 void ExpandWildcards( int *argc, char ***argv ){
144 qdir will hold the path up to the quake directory, including the slash
149 gamedir will hold qdir + the game directory (id1, id2, etc)
157 void SetQdirFromPath( const char *path ){
163 if ( !( path[0] == '/' || path[0] == '\\' || path[1] == ':' ) ) { // path is partial
165 strcat( temp, path );
169 // search for "quake2" in path
171 len = strlen( BASEDIRNAME );
172 for ( c = path + strlen( path ) - 1 ; c != path ; c-- )
176 if ( !Q_strncasecmp( c, BASEDIRNAME, len ) ) {
178 //strncpy (qdir, path, c+len+2-path);
179 // the +2 assumes a 2 or 3 following quake which is not the
180 // case with a retail install
181 // so we need to add up how much to the next separator
184 while ( *sep && *sep != '/' && *sep != '\\' )
189 strncpy( qdir, path, c + len + count - path );
190 Sys_Printf( "qdir: %s\n", qdir );
191 for ( i = 0; i < strlen( qdir ); i++ )
193 if ( qdir[i] == '\\' ) {
201 if ( *c == '/' || *c == '\\' ) {
202 strncpy( gamedir, path, c + 1 - path );
204 for ( i = 0; i < strlen( gamedir ); i++ )
206 if ( gamedir[i] == '\\' ) {
211 Sys_Printf( "gamedir: %s\n", gamedir );
213 if ( !writedir[0] ) {
214 strcpy( writedir, gamedir );
216 else if ( writedir[strlen( writedir ) - 1] != '/' ) {
217 writedir[strlen( writedir )] = '/';
218 writedir[strlen( writedir ) + 1] = 0;
225 Error( "No gamedir in %s", path );
229 Error( "SetQdirFromPath: no '%s' in %s", BASEDIRNAME, path );
232 char *ExpandArg( const char *path ){
233 static char full[1024];
235 if ( path[0] != '/' && path[0] != '\\' && path[1] != ':' ) {
237 strcat( full, path );
240 strcpy( full, path );
245 char *ExpandPath( const char *path ){
246 static char full[1024];
248 Error( "ExpandPath called without qdir set" );
250 if ( path[0] == '/' || path[0] == '\\' || path[1] == ':' ) {
251 strcpy( full, path );
254 sprintf( full, "%s%s", qdir, path );
258 char *ExpandGamePath( const char *path ){
259 static char full[1024];
261 Error( "ExpandGamePath called without qdir set" );
263 if ( path[0] == '/' || path[0] == '\\' || path[1] == ':' ) {
264 strcpy( full, path );
267 sprintf( full, "%s%s", gamedir, path );
271 char *ExpandPathAndArchive( const char *path ){
273 char archivename[1024];
275 expanded = ExpandPath( path );
278 sprintf( archivename, "%s/%s", archivedir, path );
279 QCopyFile( expanded, archivename );
285 char *copystring( const char *s ){
287 b = safe_malloc( strlen( s ) + 1 );
299 double I_FloatTime( void ){
306 // more precise, less portable
311 gettimeofday( &tp, &tzp );
315 return tp.tv_usec / 1000000.0;
318 return ( tp.tv_sec - secbase ) + tp.tv_usec / 1000000.0;
322 void Q_getwd( char *out ){
329 // Gef: Changed from getwd() to getcwd() to avoid potential buffer overflow
333 while ( out[i] != 0 )
335 if ( out[i] == '\\' ) {
343 void Q_mkdir( const char *path ){
345 if ( _mkdir( path ) != -1 ) {
349 if ( mkdir( path, 0777 ) != -1 ) {
353 if ( errno != EEXIST ) {
354 Error( "mkdir %s: %s",path, strerror( errno ) );
362 returns -1 if not present
365 int FileTime( const char *path ){
368 if ( stat( path,&buf ) == -1 ) {
381 Parse a token out of a string
384 char *COM_Parse( char *data ){
397 while ( ( c = *data ) <= ' ' )
401 return NULL; // end of file;
407 if ( c == '/' && data[1] == '/' ) {
408 while ( *data && *data != '\n' )
414 // handle quoted strings specially
429 // parse single characters
430 if ( c == '{' || c == '}' || c == ')' || c == '(' || c == '\'' || c == ':' ) {
437 // parse a regular word
444 if ( c == '{' || c == '}' || c == ')' || c == '(' || c == '\'' || c == ':' ) {
453 int Q_strncasecmp( const char *s1, const char *s2, int n ){
462 return 0; // strings are equal until end point
466 if ( c1 >= 'a' && c1 <= 'z' ) {
469 if ( c2 >= 'a' && c2 <= 'z' ) {
473 return -1; // strings not equal
478 return 0; // strings are equal
481 int Q_stricmp( const char *s1, const char *s2 ){
482 return Q_strncasecmp( s1, s2, 99999 );
485 // NOTE TTimo when switching to Multithread DLL (Release/Debug) in the config
486 // started getting warnings about that function, prolly a duplicate with the runtime function
487 // maybe we still need to have it in linux builds
489 char *strupr (char *start)
502 char *strlower( char *start ){
507 *in = tolower( *in );
515 =============================================================================
519 =============================================================================
527 Checks for the given parameter in the program's command line arguments
528 Returns the argument number (1 to argc-1) or 0 if not present
531 int CheckParm( const char *check ){
534 for ( i = 1; i < myargc; i++ )
536 if ( !Q_stricmp( check, myargv[i] ) ) {
551 int Q_filelength( FILE *f ){
556 fseek( f, 0, SEEK_END );
558 fseek( f, pos, SEEK_SET );
564 FILE *SafeOpenWrite( const char *filename ){
567 f = fopen( filename, "wb" );
570 Error( "Error opening %s: %s",filename,strerror( errno ) );
576 FILE *SafeOpenRead( const char *filename ){
579 f = fopen( filename, "rb" );
582 Error( "Error opening %s: %s",filename,strerror( errno ) );
589 void SafeRead( FILE *f, void *buffer, int count ){
590 if ( fread( buffer, 1, count, f ) != (size_t)count ) {
591 Error( "File read failure" );
596 void SafeWrite( FILE *f, const void *buffer, int count ){
597 if ( fwrite( buffer, 1, count, f ) != (size_t)count ) {
598 Error( "File write failure" );
608 qboolean FileExists( const char *filename ){
611 f = fopen( filename, "r" );
624 int LoadFile( const char *filename, void **bufferptr ){
629 f = SafeOpenRead( filename );
630 length = Q_filelength( f );
631 buffer = safe_malloc( length + 1 );
632 ( (char *)buffer )[length] = 0;
633 SafeRead( f, buffer, length );
645 rounds up memory allocation to 4K boundry
649 int LoadFileBlock( const char *filename, void **bufferptr ){
651 int length, nBlock, nAllocSize;
654 f = SafeOpenRead( filename );
655 length = Q_filelength( f );
657 nBlock = nAllocSize % MEM_BLOCKSIZE;
659 nAllocSize += MEM_BLOCKSIZE - nBlock;
661 buffer = safe_malloc( nAllocSize + 1 );
662 memset( buffer, 0, nAllocSize + 1 );
663 SafeRead( f, buffer, length );
678 int TryLoadFile( const char *filename, void **bufferptr ){
685 f = fopen( filename, "rb" );
689 length = Q_filelength( f );
690 buffer = safe_malloc( length + 1 );
691 ( (char *)buffer )[length] = 0;
692 SafeRead( f, buffer, length );
705 void SaveFile( const char *filename, const void *buffer, int count ){
708 f = SafeOpenWrite( filename );
709 SafeWrite( f, buffer, count );
715 void DefaultExtension( char *path, const char *extension ){
718 // if path doesnt have a .EXT, append extension
719 // (extension should include the .)
721 src = path + strlen( path ) - 1;
723 while ( *src != '/' && *src != '\\' && src != path )
726 return; // it has an extension
731 strcat( path, extension );
735 void DefaultPath( char *path, const char *basepath ){
738 if ( path[ 0 ] == '/' || path[ 0 ] == '\\' ) {
739 return; // absolute path location
742 strcpy( path,basepath );
747 void StripFilename( char *path ){
750 length = strlen( path ) - 1;
751 while ( length > 0 && path[length] != '/' && path[ length ] != '\\' )
756 void StripExtension( char *path ){
759 length = strlen( path ) - 1;
760 while ( length > 0 && path[length] != '.' )
763 if ( path[length] == '/' || path[ length ] == '\\' ) {
764 return; // no extension
778 // FIXME: should include the slash, otherwise
779 // backing to an empty path will be wrong when appending a slash
780 void ExtractFilePath( const char *path, char *dest ){
783 src = path + strlen( path ) - 1;
786 // back up until a \ or the start
788 while ( src != path && *( src - 1 ) != '\\' && *( src - 1 ) != '/' )
791 memcpy( dest, path, src - path );
792 dest[src - path] = 0;
795 void ExtractFileBase( const char *path, char *dest ){
798 src = path + strlen( path ) - 1;
801 // back up until a \ or the start
803 while ( src != path && *( src - 1 ) != '/' && *( src - 1 ) != '\\' )
806 while ( *src && *src != '.' )
813 void ExtractFileExtension( const char *path, char *dest ){
816 src = path + strlen( path ) - 1;
819 // back up until a . or the start
821 while ( src != path && *( src - 1 ) != '.' )
824 *dest = 0; // no extension
837 int ParseHex( const char *hex ){
847 if ( *str >= '0' && *str <= '9' ) {
850 else if ( *str >= 'a' && *str <= 'f' ) {
851 num += 10 + *str - 'a';
853 else if ( *str >= 'A' && *str <= 'F' ) {
854 num += 10 + *str - 'A';
857 Error( "Bad hex number: %s",hex );
866 int ParseNum( const char *str ){
867 if ( str[0] == '$' ) {
868 return ParseHex( str + 1 );
870 if ( str[0] == '0' && str[1] == 'x' ) {
871 return ParseHex( str + 2 );
879 ============================================================================
883 ============================================================================
887 #define __BIG_ENDIAN__
890 #ifdef __BIG_ENDIAN__
892 short LittleShort( short l ){
896 b2 = ( l >> 8 ) & 255;
898 return ( b1 << 8 ) + b2;
901 short BigShort( short l ){
906 int LittleLong( int l ){
910 b2 = ( l >> 8 ) & 255;
911 b3 = ( l >> 16 ) & 255;
912 b4 = ( l >> 24 ) & 255;
914 return ( (int)b1 << 24 ) + ( (int)b2 << 16 ) + ( (int)b3 << 8 ) + b4;
917 int BigLong( int l ){
922 float LittleFloat( float l ){
923 union {byte b[4]; float f; } in, out;
934 float BigFloat( float l ){
942 short BigShort( short l ){
946 b2 = ( l >> 8 ) & 255;
948 return ( b1 << 8 ) + b2;
951 short LittleShort( short l ){
956 int BigLong( int l ){
960 b2 = ( l >> 8 ) & 255;
961 b3 = ( l >> 16 ) & 255;
962 b4 = ( l >> 24 ) & 255;
964 return ( (int)b1 << 24 ) + ( (int)b2 << 16 ) + ( (int)b3 << 8 ) + b4;
967 int LittleLong( int l ){
971 float BigFloat( float l ){
972 union {byte b[4]; float f; } in, out;
983 float LittleFloat( float l ){
991 //=======================================================
996 // this is a 16 bit, non-reflected CRC using the polynomial 0x1021
997 // and the initial and final xor values shown below... in other words, the
998 // CCITT standard CRC used by XMODEM
1000 #define CRC_INIT_VALUE 0xffff
1001 #define CRC_XOR_VALUE 0x0000
1003 static unsigned short crctable[256] =
1005 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
1006 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
1007 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
1008 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
1009 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
1010 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
1011 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
1012 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
1013 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
1014 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
1015 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
1016 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
1017 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
1018 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
1019 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
1020 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
1021 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
1022 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
1023 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
1024 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
1025 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
1026 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
1027 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
1028 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
1029 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
1030 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
1031 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
1032 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
1033 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
1034 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
1035 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
1036 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
1039 void CRC_Init( unsigned short *crcvalue ){
1040 *crcvalue = CRC_INIT_VALUE;
1043 void CRC_ProcessByte( unsigned short *crcvalue, byte data ){
1044 *crcvalue = ( *crcvalue << 8 ) ^ crctable[( *crcvalue >> 8 ) ^ data];
1047 unsigned short CRC_Value( unsigned short crcvalue ){
1048 return crcvalue ^ CRC_XOR_VALUE;
1050 //=============================================================================
1057 void CreatePath( const char *path ){
1065 if ( path[1] == ':' ) {
1066 olddrive = _getdrive();
1067 _chdrive( toupper( path[0] ) - 'A' + 1 );
1071 if ( path[1] == ':' ) {
1075 for ( ofs = path + 1 ; *ofs ; ofs++ )
1078 if ( c == '/' || c == '\\' ) { // create the directory
1079 memcpy( dir, path, ofs - path );
1080 dir[ ofs - path ] = 0;
1086 if ( olddrive != -1 ) {
1087 _chdrive( olddrive );
1097 Used to archive source files
1100 void QCopyFile( const char *from, const char *to ){
1104 length = LoadFile( from, &buffer );
1106 SaveFile( to, buffer, length );
1110 void Sys_Sleep( int n ){
1114 #if defined ( __linux__ ) || defined ( __APPLE__ )