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1.1.1.2 ! root 1: /* ! 2: Copyright (C) 1997-2001 Id Software, Inc. ! 3: ! 4: This program is free software; you can redistribute it and/or ! 5: modify it under the terms of the GNU General Public License ! 6: as published by the Free Software Foundation; either version 2 ! 7: of the License, or (at your option) any later version. ! 8: ! 9: This program is distributed in the hope that it will be useful, ! 10: but WITHOUT ANY WARRANTY; without even the implied warranty of ! 11: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ! 12: ! 13: See the GNU General Public License for more details. ! 14: ! 15: You should have received a copy of the GNU General Public License ! 16: along with this program; if not, write to the Free Software ! 17: Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ! 18: ! 19: */ 1.1 root 20: #include <sys/types.h> 21: #include <errno.h> 22: #include <stdio.h> 23: #include <dirent.h> 24: #include <sys/stat.h> 25: #include <unistd.h> 26: #include <sys/mman.h> 27: #include <sys/time.h> 28: 29: #include "../linux/glob.h" 30: 31: #include "../qcommon/qcommon.h" 32: 33: //=============================================================================== 34: 35: byte *membase; 36: int maxhunksize; 37: int curhunksize; 38: 39: void *Hunk_Begin (int maxsize) 40: { 41: // reserve a huge chunk of memory, but don't commit any yet 42: maxhunksize = maxsize; 43: curhunksize = 0; 44: membase = malloc(maxhunksize); 45: if (membase == NULL) 46: Sys_Error(ERR_FATAL, "unable to allocate %d bytes", maxsize); 47: 48: return membase; 49: } 50: 51: void *Hunk_Alloc (int size) 52: { 53: byte *buf; 54: 55: // round to cacheline 56: size = (size+31)&~31; 57: if (curhunksize + size > maxhunksize) 58: Sys_Error(ERR_FATAL, "Hunk_Alloc overflow"); 59: buf = membase + curhunksize; 60: curhunksize += size; 61: return buf; 62: } 63: 64: int Hunk_End (void) 65: { 66: byte *n; 67: 68: n = realloc(membase, curhunksize); 69: if (n != membase) 70: Sys_Error(ERR_FATAL, "Hunk_End: Could not remap virtual block (%d)", errno); 71: 72: return curhunksize; 73: } 74: 75: void Hunk_Free (void *base) 76: { 77: if (base) 78: free(base); 79: } 80: 81: //=============================================================================== 82: 83: 84: /* 85: ================ 86: Sys_Milliseconds 87: ================ 88: */ 89: int curtime; 90: int Sys_Milliseconds (void) 91: { 92: struct timeval tp; 93: struct timezone tzp; 94: static int secbase; 95: 96: gettimeofday(&tp, &tzp); 97: 98: if (!secbase) 99: { 100: secbase = tp.tv_sec; 101: return tp.tv_usec/1000; 102: } 103: 104: curtime = (tp.tv_sec - secbase)*1000 + tp.tv_usec/1000; 105: 106: return curtime; 107: } 108: 109: void Sys_Mkdir (char *path) 110: { 111: mkdir (path, 0777); 112: } 113: 114: char *strlwr (char *s) 115: { 116: while (*s) { 117: *s = tolower(*s); 118: s++; 119: } 120: } 121: 122: //============================================ 123: 124: static char findbase[MAX_OSPATH]; 125: static char findpath[MAX_OSPATH]; 126: static char findpattern[MAX_OSPATH]; 127: static DIR *fdir; 128: 129: static qboolean CompareAttributes(char *path, char *name, 130: unsigned musthave, unsigned canthave ) 131: { 132: struct stat st; 133: char fn[MAX_OSPATH]; 134: 135: // . and .. never match 136: if (strcmp(name, ".") == 0 || strcmp(name, "..") == 0) 137: return false; 138: 139: sprintf(fn, "%s/%s", path, name); 140: if (stat(fn, &st) == -1) 141: return false; // shouldn't happen 142: 143: if ( ( st.st_mode & S_IFDIR ) && ( canthave & SFF_SUBDIR ) ) 144: return false; 145: 146: if ( ( musthave & SFF_SUBDIR ) && !( st.st_mode & S_IFDIR ) ) 147: return false; 148: 149: return true; 150: } 151: 152: char *Sys_FindFirst (char *path, unsigned musthave, unsigned canhave) 153: { 154: struct dirent *d; 155: char *p; 156: 157: if (fdir) 158: Sys_Error ("Sys_BeginFind without close"); 159: 160: // COM_FilePath (path, findbase); 161: strcpy(findbase, path); 162: 163: if ((p = strrchr(findbase, '/')) != NULL) { 164: *p = 0; 165: strcpy(findpattern, p + 1); 166: } else 167: strcpy(findpattern, "*"); 168: 169: if (strcmp(findpattern, "*.*") == 0) 170: strcpy(findpattern, "*"); 171: 172: if ((fdir = opendir(path)) == NULL) 173: return NULL; 174: while ((d = readdir(fdir)) != NULL) { 175: if (!*findpattern || glob_match(findpattern, d->d_name)) { 176: // if (*findpattern) 177: // printf("%s matched %s\n", findpattern, d->d_name); 178: if (CompareAttributes(findbase, d->d_name, musthave, canhave)) { 179: sprintf (findpath, "%s/%s", findbase, d->d_name); 180: return findpath; 181: } 182: } 183: } 184: return NULL; 185: } 186: 187: char *Sys_FindNext (unsigned musthave, unsigned canhave) 188: { 189: struct dirent *d; 190: 191: if (fdir == NULL) 192: return NULL; 193: while ((d = readdir(fdir)) != NULL) { 194: if (!*findpattern || glob_match(findpattern, d->d_name)) { 195: // if (*findpattern) 196: // printf("%s matched %s\n", findpattern, d->d_name); 197: if (CompareAttributes(findbase, d->d_name, musthave, canhave)) { 198: sprintf (findpath, "%s/%s", findbase, d->d_name); 199: return findpath; 200: } 201: } 202: } 203: return NULL; 204: } 205: 206: void Sys_FindClose (void) 207: { 208: if (fdir != NULL) 209: closedir(fdir); 210: fdir = NULL; 211: } 212: 213: 214: //============================================ 215:
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