2 Copyright (C) 1999-2006 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 )
60 Error ("safe_malloc failed on allocation of %i bytes", size);
65 void *safe_malloc_info( size_t size, char* info )
71 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 )
102 struct _finddata_t fileinfo;
110 for (i=0 ; i<*argc ; i++)
114 || ( !strstr(path, "*") && !strstr(path, "?") ) )
116 ex_argv[ex_argc++] = path;
120 handle = _findfirst (path, &fileinfo);
124 ExtractFilePath (path, filebase);
128 sprintf (filename, "%s%s", filebase, fileinfo.name);
129 ex_argv[ex_argc++] = copystring (filename);
130 } while (_findnext( handle, &fileinfo ) != -1);
139 void ExpandWildcards (int *argc, char ***argv)
146 qdir will hold the path up to the quake directory, including the slash
151 gamedir will hold qdir + the game directory (id1, id2, etc)
159 void SetQdirFromPath( const char *path )
166 if (!(path[0] == '/' || path[0] == '\\' || path[1] == ':'))
173 // search for "quake2" in path
175 len = strlen(BASEDIRNAME);
176 for (c=path+strlen(path)-1 ; c != path ; c--)
180 if (!Q_strncasecmp (c, BASEDIRNAME, len))
183 //strncpy (qdir, path, c+len+2-path);
184 // the +2 assumes a 2 or 3 following quake which is not the
185 // case with a retail install
186 // so we need to add up how much to the next separator
189 while (*sep && *sep != '/' && *sep != '\\')
194 strncpy (qdir, path, c+len+count-path);
195 Sys_Printf ("qdir: %s\n", qdir);
196 for ( i = 0; i < strlen( qdir ); i++ )
198 if ( qdir[i] == '\\' )
205 if (*c == '/' || *c == '\\')
207 strncpy (gamedir, path, c+1-path);
209 for ( i = 0; i < strlen( gamedir ); i++ )
211 if ( gamedir[i] == '\\' )
215 Sys_Printf ("gamedir: %s\n", gamedir);
218 strcpy( writedir, gamedir );
219 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)
238 static char full[1024];
240 if (path[0] != '/' && path[0] != '\\' && path[1] != ':')
250 char *ExpandPath (const char *path)
252 static char full[1024];
254 Error ("ExpandPath called without qdir set");
255 if (path[0] == '/' || path[0] == '\\' || path[1] == ':') {
256 strcpy( full, path );
259 sprintf (full, "%s%s", qdir, path);
263 char *ExpandGamePath (const char *path)
265 static char full[1024];
267 Error ("ExpandGamePath called without qdir set");
268 if (path[0] == '/' || path[0] == '\\' || path[1] == ':') {
269 strcpy( full, path );
272 sprintf (full, "%s%s", gamedir, path);
276 char *ExpandPathAndArchive (const char *path)
279 char archivename[1024];
281 expanded = ExpandPath (path);
285 sprintf (archivename, "%s/%s", archivedir, path);
286 QCopyFile (expanded, archivename);
292 char *copystring(const char *s)
295 b = safe_malloc(strlen(s)+1);
307 double I_FloatTime (void)
315 // more precise, less portable
320 gettimeofday(&tp, &tzp);
325 return tp.tv_usec/1000000.0;
328 return (tp.tv_sec - secbase) + tp.tv_usec/1000000.0;
332 void Q_getwd (char *out)
340 // Gef: Changed from getwd() to getcwd() to avoid potential buffer overflow
344 while ( out[i] != 0 )
346 if ( out[i] == '\\' )
353 void Q_mkdir (const char *path)
356 if (_mkdir (path) != -1)
359 if (mkdir (path, 0777) != -1)
363 Error ("mkdir %s: %s",path, strerror(errno));
370 returns -1 if not present
373 int FileTime (const char *path)
377 if (stat (path,&buf) == -1)
389 Parse a token out of a string
392 char *COM_Parse (char *data)
405 while ( (c = *data) <= ' ')
410 return NULL; // end of file;
416 if (c=='/' && data[1] == '/')
418 while (*data && *data != '\n')
424 // handle quoted strings specially
441 // parse single characters
442 if (c=='{' || c=='}'|| c==')'|| c=='(' || c=='\'' || c==':')
450 // parse a regular word
457 if (c=='{' || c=='}'|| c==')'|| c=='(' || c=='\'' || c==':')
465 int Q_strncasecmp (const char *s1, const char *s2, int n)
475 return 0; // strings are equal until end point
479 if (c1 >= 'a' && c1 <= 'z')
481 if (c2 >= 'a' && c2 <= 'z')
484 return -1; // strings not equal
488 return 0; // strings are equal
491 int Q_stricmp (const char *s1, const char *s2)
493 return Q_strncasecmp (s1, s2, 99999);
496 // NOTE TTimo when switching to Multithread DLL (Release/Debug) in the config
497 // started getting warnings about that function, prolly a duplicate with the runtime function
498 // maybe we still need to have it in linux builds
500 char *strupr (char *start)
513 char *strlower (char *start)
527 =============================================================================
531 =============================================================================
539 Checks for the given parameter in the program's command line arguments
540 Returns the argument number (1 to argc-1) or 0 if not present
543 int CheckParm (const char *check)
547 for (i = 1;i<myargc;i++)
549 if ( !Q_stricmp(check, myargv[i]) )
563 int Q_filelength (FILE *f)
569 fseek (f, 0, SEEK_END);
571 fseek (f, pos, SEEK_SET);
577 FILE *SafeOpenWrite (const char *filename)
581 f = fopen(filename, "wb");
584 Error ("Error opening %s: %s",filename,strerror(errno));
589 FILE *SafeOpenRead (const char *filename)
593 f = fopen(filename, "rb");
596 Error ("Error opening %s: %s",filename,strerror(errno));
602 void SafeRead (FILE *f, void *buffer, int count)
604 if ( fread (buffer, 1, count, f) != (size_t)count)
605 Error ("File read failure");
609 void SafeWrite (FILE *f, const void *buffer, int count)
611 if (fwrite (buffer, 1, count, f) != (size_t)count)
612 Error ("File write failure");
621 qboolean FileExists (const char *filename)
625 f = fopen (filename, "r");
637 int LoadFile( const char *filename, void **bufferptr )
643 f = SafeOpenRead (filename);
644 length = Q_filelength (f);
645 buffer = safe_malloc (length+1);
646 ((char *)buffer)[length] = 0;
647 SafeRead (f, buffer, length);
659 rounds up memory allocation to 4K boundry
663 int LoadFileBlock( const char *filename, void **bufferptr )
666 int length, nBlock, nAllocSize;
669 f = SafeOpenRead (filename);
670 length = Q_filelength (f);
672 nBlock = nAllocSize % MEM_BLOCKSIZE;
674 nAllocSize += MEM_BLOCKSIZE - nBlock;
676 buffer = safe_malloc (nAllocSize+1);
677 memset(buffer, 0, nAllocSize+1);
678 SafeRead (f, buffer, length);
693 int TryLoadFile (const char *filename, void **bufferptr)
701 f = fopen (filename, "rb");
704 length = Q_filelength (f);
705 buffer = safe_malloc (length+1);
706 ((char *)buffer)[length] = 0;
707 SafeRead (f, buffer, length);
720 void SaveFile (const char *filename, const void *buffer, int count)
724 f = SafeOpenWrite (filename);
725 SafeWrite (f, buffer, count);
731 void DefaultExtension (char *path, const char *extension)
735 // if path doesnt have a .EXT, append extension
736 // (extension should include the .)
738 src = path + strlen(path) - 1;
740 while (*src != '/' && *src != '\\' && src != path)
743 return; // it has an extension
747 strcat (path, extension);
751 void DefaultPath (char *path, const char *basepath)
755 if( path[ 0 ] == '/' || path[ 0 ] == '\\' )
756 return; // absolute path location
758 strcpy (path,basepath);
763 void StripFilename (char *path)
767 length = strlen(path)-1;
768 while (length > 0 && path[length] != '/' && path[ length ] != '\\' )
773 void StripExtension (char *path)
777 length = strlen(path)-1;
778 while (length > 0 && path[length] != '.')
781 if (path[length] == '/' || path[ length ] == '\\' )
782 return; // no extension
794 // FIXME: should include the slash, otherwise
795 // backing to an empty path will be wrong when appending a slash
796 void ExtractFilePath (const char *path, char *dest)
800 src = path + strlen(path) - 1;
803 // back up until a \ or the start
805 while (src != path && *(src-1) != '\\' && *(src-1) != '/')
808 memcpy (dest, path, src-path);
812 void ExtractFileBase (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) != '/' && *(src-1) != '\\' )
824 while (*src && *src != '.')
831 void ExtractFileExtension (const char *path, char *dest)
835 src = path + strlen(path) - 1;
838 // back up until a . or the start
840 while (src != path && *(src-1) != '.')
844 *dest = 0; // no extension
857 int ParseHex (const char *hex)
868 if (*str >= '0' && *str <= '9')
870 else if (*str >= 'a' && *str <= 'f')
871 num += 10 + *str-'a';
872 else if (*str >= 'A' && *str <= 'F')
873 num += 10 + *str-'A';
875 Error ("Bad hex number: %s",hex);
883 int ParseNum (const char *str)
886 return ParseHex (str+1);
887 if (str[0] == '0' && str[1] == 'x')
888 return ParseHex (str+2);
895 ============================================================================
899 ============================================================================
903 #define __BIG_ENDIAN__
906 #ifdef __BIG_ENDIAN__
908 short LittleShort (short l)
918 short BigShort (short l)
924 int LittleLong (int l)
933 return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4;
942 float LittleFloat (float l)
944 union {byte b[4]; float f;} in, out;
955 float BigFloat (float l)
964 short BigShort (short l)
974 short LittleShort (short l)
989 return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4;
992 int LittleLong (int l)
997 float BigFloat (float l)
999 union {byte b[4]; float f;} in, out;
1010 float LittleFloat (float l)
1019 //=======================================================
1022 // FIXME: byte swap?
1024 // this is a 16 bit, non-reflected CRC using the polynomial 0x1021
1025 // and the initial and final xor values shown below... in other words, the
1026 // CCITT standard CRC used by XMODEM
1028 #define CRC_INIT_VALUE 0xffff
1029 #define CRC_XOR_VALUE 0x0000
1031 static unsigned short crctable[256] =
1033 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
1034 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
1035 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
1036 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
1037 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
1038 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
1039 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
1040 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
1041 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
1042 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
1043 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
1044 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
1045 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
1046 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
1047 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
1048 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
1049 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
1050 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
1051 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
1052 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
1053 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
1054 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
1055 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
1056 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
1057 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
1058 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
1059 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
1060 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
1061 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
1062 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
1063 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
1064 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
1067 void CRC_Init(unsigned short *crcvalue)
1069 *crcvalue = CRC_INIT_VALUE;
1072 void CRC_ProcessByte(unsigned short *crcvalue, byte data)
1074 *crcvalue = (*crcvalue << 8) ^ crctable[(*crcvalue >> 8) ^ data];
1077 unsigned short CRC_Value(unsigned short crcvalue)
1079 return crcvalue ^ CRC_XOR_VALUE;
1081 //=============================================================================
1088 void CreatePath (const char *path)
1097 if ( path[1] == ':' )
1099 olddrive = _getdrive();
1100 _chdrive( toupper( path[0] ) - 'A' + 1 );
1107 for (ofs = path+1 ; *ofs ; ofs++)
1110 if (c == '/' || c == '\\')
1111 { // create the directory
1112 memcpy( dir, path, ofs - path );
1113 dir[ ofs - path ] = 0;
1119 if ( olddrive != -1 )
1121 _chdrive( olddrive );
1131 Used to archive source files
1134 void QCopyFile (const char *from, const char *to)
1139 length = LoadFile (from, &buffer);
1141 SaveFile (to, buffer, length);
1145 void Sys_Sleep(int n)
1150 #if defined (__linux__) || defined (__APPLE__)