ref: bea7b7bf8ccbc2bc41906517079e76fcfb31cb5a
dir: /code/bspc/l_cmd.c/
/* =========================================================================== Copyright (C) 1999-2005 Id Software, Inc. This file is part of Quake III Arena source code. Quake III Arena source code is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. Quake III Arena source code is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Foobar; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA =========================================================================== */ // cmdlib.c #include "l_cmd.h" #include "l_log.h" #include "l_mem.h" #include <sys/types.h> #include <sys/stat.h> #ifndef SIN #define SIN #endif //SIN #if defined(WIN32) || defined(_WIN32) #include <direct.h> #else #include <unistd.h> #endif #ifdef NeXT #include <libc.h> #endif #define BASEDIRNAME "quake2" #define PATHSEPERATOR '/' // set these before calling CheckParm int myargc; char **myargv; char com_token[1024]; qboolean com_eof; qboolean archive; char archivedir[1024]; /* =================== ExpandWildcards Mimic unix command line expansion =================== */ #define MAX_EX_ARGC 1024 int ex_argc; char *ex_argv[MAX_EX_ARGC]; #ifdef _WIN32 #include "io.h" void ExpandWildcards (int *argc, char ***argv) { struct _finddata_t fileinfo; int handle; int i; char filename[1024]; char filebase[1024]; char *path; ex_argc = 0; for (i=0 ; i<*argc ; i++) { path = (*argv)[i]; if ( path[0] == '-' || ( !strstr(path, "*") && !strstr(path, "?") ) ) { ex_argv[ex_argc++] = path; continue; } handle = _findfirst (path, &fileinfo); if (handle == -1) return; ExtractFilePath (path, filebase); do { sprintf (filename, "%s%s", filebase, fileinfo.name); ex_argv[ex_argc++] = copystring (filename); } while (_findnext( handle, &fileinfo ) != -1); _findclose (handle); } *argc = ex_argc; *argv = ex_argv; } #else void ExpandWildcards (int *argc, char ***argv) { } #endif #ifdef WINBSPC #include <windows.h> HWND program_hwnd; void SetProgramHandle(HWND hwnd) { program_hwnd = hwnd; } //end of the function SetProgramHandle /* ================= Error For abnormal program terminations in windowed apps ================= */ void Error (char *error, ...) { va_list argptr; char text[1024]; char text2[1024]; int err; err = GetLastError (); va_start(argptr, error); vsprintf(text, error, argptr); va_end(argptr); sprintf(text2, "%s\nGetLastError() = %i", text, err); MessageBox(program_hwnd, text2, "Error", 0 /* MB_OK */ ); Log_Write(text); Log_Close(); exit(1); } //end of the function Error void Warning(char *szFormat, ...) { char szBuffer[256]; va_list argptr; va_start (argptr, szFormat); vsprintf(szBuffer, szFormat, argptr); va_end (argptr); MessageBox(program_hwnd, szBuffer, "Warning", MB_OK); Log_Write(szBuffer); } //end of the function Warning #else /* ================= Error For abnormal program terminations in console apps ================= */ void Error (char *error, ...) { va_list argptr; char text[1024]; va_start(argptr, error); vsprintf(text, error, argptr); va_end(argptr); printf("ERROR: %s\n", text); Log_Write(text); Log_Close(); exit (1); } //end of the function Error void Warning(char *warning, ...) { va_list argptr; char text[1024]; va_start(argptr, warning); vsprintf(text, warning, argptr); va_end(argptr); printf("WARNING: %s\n", text); Log_Write(text); } //end of the function Warning #endif //only printf if in verbose mode qboolean verbose = true; void qprintf(char *format, ...) { va_list argptr; #ifdef WINBSPC char buf[2048]; #endif //WINBSPC if (!verbose) return; va_start(argptr,format); #ifdef WINBSPC vsprintf(buf, format, argptr); WinBSPCPrint(buf); #else vprintf(format, argptr); #endif //WINBSPC va_end(argptr); } //end of the function qprintf void Com_Error(int level, char *error, ...) { va_list argptr; char text[1024]; va_start(argptr, error); vsprintf(text, error, argptr); va_end(argptr); Error(text); } //end of the funcion Com_Error void Com_Printf( const char *fmt, ... ) { va_list argptr; char text[1024]; va_start(argptr, fmt); vsprintf(text, fmt, argptr); va_end(argptr); Log_Print(text); } //end of the funcion Com_Printf /* qdir will hold the path up to the quake directory, including the slash f:\quake\ /raid/quake/ gamedir will hold qdir + the game directory (id1, id2, etc) */ char qdir[1024]; char gamedir[1024]; void SetQdirFromPath (char *path) { char temp[1024]; char *c; int len; if (!(path[0] == '/' || path[0] == '\\' || path[1] == ':')) { // path is partial Q_getwd (temp); strcat (temp, path); path = temp; } // search for "quake2" in path len = strlen(BASEDIRNAME); for (c=path+strlen(path)-1 ; c != path ; c--) if (!Q_strncasecmp (c, BASEDIRNAME, len)) { strncpy (qdir, path, c+len+1-path); qprintf ("qdir: %s\n", qdir); c += len+1; while (*c) { if (*c == '/' || *c == '\\') { strncpy (gamedir, path, c+1-path); qprintf ("gamedir: %s\n", gamedir); return; } c++; } Error ("No gamedir in %s", path); return; } Error ("SetQdirFromPath: no '%s' in %s", BASEDIRNAME, path); } char *ExpandArg (char *path) { static char full[1024]; if (path[0] != '/' && path[0] != '\\' && path[1] != ':') { Q_getwd (full); strcat (full, path); } else strcpy (full, path); return full; } char *ExpandPath (char *path) { static char full[1024]; if (!qdir) Error ("ExpandPath called without qdir set"); if (path[0] == '/' || path[0] == '\\' || path[1] == ':') return path; sprintf (full, "%s%s", qdir, path); return full; } char *ExpandPathAndArchive (char *path) { char *expanded; char archivename[1024]; expanded = ExpandPath (path); if (archive) { sprintf (archivename, "%s/%s", archivedir, path); QCopyFile (expanded, archivename); } return expanded; } char *copystring(char *s) { char *b; b = GetMemory(strlen(s)+1); strcpy (b, s); return b; } /* ================ I_FloatTime ================ */ double I_FloatTime (void) { time_t t; time (&t); return t; #if 0 // more precise, less portable struct timeval tp; struct timezone tzp; static int secbase; gettimeofday(&tp, &tzp); if (!secbase) { secbase = tp.tv_sec; return tp.tv_usec/1000000.0; } return (tp.tv_sec - secbase) + tp.tv_usec/1000000.0; #endif } void Q_getwd (char *out) { #if defined(WIN32) || defined(_WIN32) getcwd (out, 256); strcat (out, "\\"); #else getwd(out); strcat(out, "/"); #endif } void Q_mkdir (char *path) { #ifdef WIN32 if (_mkdir (path) != -1) return; #else if (mkdir (path, 0777) != -1) return; #endif if (errno != EEXIST) Error ("mkdir %s: %s",path, strerror(errno)); } /* ============ FileTime returns -1 if not present ============ */ int FileTime (char *path) { struct stat buf; if (stat (path,&buf) == -1) return -1; return buf.st_mtime; } /* ============== COM_Parse Parse a token out of a string ============== */ char *COM_Parse (char *data) { int c; int len; len = 0; com_token[0] = 0; if (!data) return NULL; // skip whitespace skipwhite: while ( (c = *data) <= ' ') { if (c == 0) { com_eof = true; return NULL; // end of file; } data++; } // skip // comments if (c=='/' && data[1] == '/') { while (*data && *data != '\n') data++; goto skipwhite; } // handle quoted strings specially if (c == '\"') { data++; do { c = *data++; if (c=='\"') { com_token[len] = 0; return data; } com_token[len] = c; len++; } while (1); } // parse single characters if (c=='{' || c=='}'|| c==')'|| c=='(' || c=='\'' || c==':') { com_token[len] = c; len++; com_token[len] = 0; return data+1; } // parse a regular word do { com_token[len] = c; data++; len++; c = *data; if (c=='{' || c=='}'|| c==')'|| c=='(' || c=='\'' || c==':') break; } while (c>32); com_token[len] = 0; return data; } int Q_strncasecmp (char *s1, char *s2, int n) { int c1, c2; do { c1 = *s1++; c2 = *s2++; if (!n--) return 0; // strings are equal until end point if (c1 != c2) { if (c1 >= 'a' && c1 <= 'z') c1 -= ('a' - 'A'); if (c2 >= 'a' && c2 <= 'z') c2 -= ('a' - 'A'); if (c1 != c2) return -1; // strings not equal } } while (c1); return 0; // strings are equal } int Q_strcasecmp (char *s1, char *s2) { return Q_strncasecmp (s1, s2, 99999); } int Q_stricmp (char *s1, char *s2) { return Q_strncasecmp (s1, s2, 99999); } void Q_strncpyz( char *dest, const char *src, int destsize ) { strncpy( dest, src, destsize-1 ); dest[destsize-1] = 0; } char *strupr (char *start) { char *in; in = start; while (*in) { *in = toupper(*in); in++; } return start; } char *strlower (char *start) { char *in; in = start; while (*in) { *in = tolower(*in); in++; } return start; } /* ============================================================================= MISC FUNCTIONS ============================================================================= */ /* ================= CheckParm Checks for the given parameter in the program's command line arguments Returns the argument number (1 to argc-1) or 0 if not present ================= */ int CheckParm (char *check) { int i; for (i = 1;i<myargc;i++) { if ( !Q_strcasecmp(check, myargv[i]) ) return i; } return 0; } /* ================ Q_filelength ================ */ int Q_filelength (FILE *f) { int pos; int end; pos = ftell (f); fseek (f, 0, SEEK_END); end = ftell (f); fseek (f, pos, SEEK_SET); return end; } FILE *SafeOpenWrite (char *filename) { FILE *f; f = fopen(filename, "wb"); if (!f) Error ("Error opening %s: %s",filename,strerror(errno)); return f; } FILE *SafeOpenRead (char *filename) { FILE *f; f = fopen(filename, "rb"); if (!f) Error ("Error opening %s: %s",filename,strerror(errno)); return f; } void SafeRead (FILE *f, void *buffer, int count) { if ( fread (buffer, 1, count, f) != (size_t)count) Error ("File read failure"); } void SafeWrite (FILE *f, void *buffer, int count) { if (fwrite (buffer, 1, count, f) != (size_t)count) Error ("File write failure"); } /* ============== FileExists ============== */ qboolean FileExists (char *filename) { FILE *f; f = fopen (filename, "r"); if (!f) return false; fclose (f); return true; } /* ============== LoadFile ============== */ int LoadFile (char *filename, void **bufferptr, int offset, int length) { FILE *f; void *buffer; f = SafeOpenRead(filename); fseek(f, offset, SEEK_SET); if (!length) length = Q_filelength(f); buffer = GetMemory(length+1); ((char *)buffer)[length] = 0; SafeRead(f, buffer, length); fclose(f); *bufferptr = buffer; return length; } /* ============== TryLoadFile Allows failure ============== */ int TryLoadFile (char *filename, void **bufferptr) { FILE *f; int length; void *buffer; *bufferptr = NULL; f = fopen (filename, "rb"); if (!f) return -1; length = Q_filelength (f); buffer = GetMemory(length+1); ((char *)buffer)[length] = 0; SafeRead (f, buffer, length); fclose (f); *bufferptr = buffer; return length; } /* ============== SaveFile ============== */ void SaveFile (char *filename, void *buffer, int count) { FILE *f; f = SafeOpenWrite (filename); SafeWrite (f, buffer, count); fclose (f); } void DefaultExtension (char *path, char *extension) { char *src; // // if path doesnt have a .EXT, append extension // (extension should include the .) // src = path + strlen(path) - 1; while (*src != PATHSEPERATOR && src != path) { if (*src == '.') return; // it has an extension src--; } strcat (path, extension); } void DefaultPath (char *path, char *basepath) { char temp[128]; if (path[0] == PATHSEPERATOR) return; // absolute path location strcpy (temp,path); strcpy (path,basepath); strcat (path,temp); } void StripFilename (char *path) { int length; length = strlen(path)-1; while (length > 0 && path[length] != PATHSEPERATOR) length--; path[length] = 0; } void StripExtension (char *path) { int length; length = strlen(path)-1; while (length > 0 && path[length] != '.') { length--; if (path[length] == '/') return; // no extension } if (length) path[length] = 0; } /* ==================== Extract file parts ==================== */ // FIXME: should include the slash, otherwise // backing to an empty path will be wrong when appending a slash void ExtractFilePath (char *path, char *dest) { char *src; src = path + strlen(path) - 1; // // back up until a \ or the start // while (src != path && *(src-1) != '\\' && *(src-1) != '/') src--; memcpy (dest, path, src-path); dest[src-path] = 0; } void ExtractFileBase (char *path, char *dest) { char *src; src = path + strlen(path) - 1; // // back up until a \ or the start // while (src != path && *(src-1) != '\\' && *(src-1) != '/') src--; while (*src && *src != '.') { *dest++ = *src++; } *dest = 0; } void ExtractFileExtension (char *path, char *dest) { char *src; src = path + strlen(path) - 1; // // back up until a . or the start // while (src != path && *(src-1) != '.') src--; if (src == path) { *dest = 0; // no extension return; } strcpy (dest,src); } /* ============== ParseNum / ParseHex ============== */ int ParseHex (char *hex) { char *str; int num; num = 0; str = hex; while (*str) { num <<= 4; if (*str >= '0' && *str <= '9') num += *str-'0'; else if (*str >= 'a' && *str <= 'f') num += 10 + *str-'a'; else if (*str >= 'A' && *str <= 'F') num += 10 + *str-'A'; else Error ("Bad hex number: %s",hex); str++; } return num; } int ParseNum (char *str) { if (str[0] == '$') return ParseHex (str+1); if (str[0] == '0' && str[1] == 'x') return ParseHex (str+2); return atol (str); } /* ============================================================================ BYTE ORDER FUNCTIONS ============================================================================ */ #ifdef _SGI_SOURCE #define __BIG_ENDIAN__ #endif #ifdef __BIG_ENDIAN__ short LittleShort (short l) { byte b1,b2; b1 = l&255; b2 = (l>>8)&255; return (b1<<8) + b2; } short BigShort (short l) { return l; } int LittleLong (int l) { byte b1,b2,b3,b4; b1 = l&255; b2 = (l>>8)&255; b3 = (l>>16)&255; b4 = (l>>24)&255; return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4; } int BigLong (int l) { return l; } float LittleFloat (float l) { union {byte b[4]; float f;} in, out; in.f = l; out.b[0] = in.b[3]; out.b[1] = in.b[2]; out.b[2] = in.b[1]; out.b[3] = in.b[0]; return out.f; } float BigFloat (float l) { return l; } #ifdef SIN unsigned short LittleUnsignedShort (unsigned short l) { byte b1,b2; b1 = l&255; b2 = (l>>8)&255; return (b1<<8) + b2; } unsigned short BigUnsignedShort (unsigned short l) { return l; } unsigned LittleUnsigned (unsigned l) { byte b1,b2,b3,b4; b1 = l&255; b2 = (l>>8)&255; b3 = (l>>16)&255; b4 = (l>>24)&255; return ((unsigned)b1<<24) + ((unsigned)b2<<16) + ((unsigned)b3<<8) + b4; } unsigned BigUnsigned (unsigned l) { return l; } #endif #else short BigShort (short l) { byte b1,b2; b1 = l&255; b2 = (l>>8)&255; return (b1<<8) + b2; } short LittleShort (short l) { return l; } int BigLong (int l) { byte b1,b2,b3,b4; b1 = l&255; b2 = (l>>8)&255; b3 = (l>>16)&255; b4 = (l>>24)&255; return ((int)b1<<24) + ((int)b2<<16) + ((int)b3<<8) + b4; } int LittleLong (int l) { return l; } float BigFloat (float l) { union {byte b[4]; float f;} in, out; in.f = l; out.b[0] = in.b[3]; out.b[1] = in.b[2]; out.b[2] = in.b[1]; out.b[3] = in.b[0]; return out.f; } float LittleFloat (float l) { return l; } #ifdef SIN unsigned short BigUnsignedShort (unsigned short l) { byte b1,b2; b1 = l&255; b2 = (l>>8)&255; return (b1<<8) + b2; } unsigned short LittleUnsignedShort (unsigned short l) { return l; } unsigned BigUnsigned (unsigned l) { byte b1,b2,b3,b4; b1 = l&255; b2 = (l>>8)&255; b3 = (l>>16)&255; b4 = (l>>24)&255; return ((unsigned)b1<<24) + ((unsigned)b2<<16) + ((unsigned)b3<<8) + b4; } unsigned LittleUnsigned (unsigned l) { return l; } #endif #endif //======================================================= // FIXME: byte swap? // this is a 16 bit, non-reflected CRC using the polynomial 0x1021 // and the initial and final xor values shown below... in other words, the // CCITT standard CRC used by XMODEM #define CRC_INIT_VALUE 0xffff #define CRC_XOR_VALUE 0x0000 static unsigned short crctable[256] = { 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7, 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef, 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6, 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de, 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485, 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d, 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4, 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc, 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823, 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b, 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12, 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a, 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41, 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49, 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70, 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78, 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f, 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067, 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e, 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256, 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d, 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c, 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634, 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab, 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3, 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a, 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92, 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9, 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1, 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8, 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0 }; void CRC_Init(unsigned short *crcvalue) { *crcvalue = CRC_INIT_VALUE; } void CRC_ProcessByte(unsigned short *crcvalue, byte data) { *crcvalue = (*crcvalue << 8) ^ crctable[(*crcvalue >> 8) ^ data]; } unsigned short CRC_Value(unsigned short crcvalue) { return crcvalue ^ CRC_XOR_VALUE; } //============================================================================= /* ============ CreatePath ============ */ void CreatePath (char *path) { char *ofs, c; if (path[1] == ':') path += 2; for (ofs = path+1 ; *ofs ; ofs++) { c = *ofs; if (c == '/' || c == '\\') { // create the directory *ofs = 0; Q_mkdir (path); *ofs = c; } } } /* ============ QCopyFile Used to archive source files ============ */ void QCopyFile (char *from, char *to) { void *buffer; int length; length = LoadFile (from, &buffer, 0, 0); CreatePath (to); SaveFile (to, buffer, length); FreeMemory(buffer); } void FS_FreeFile(void *buf) { FreeMemory(buf); } //end of the function FS_FreeFile int FS_ReadFileAndCache(const char *qpath, void **buffer) { return LoadFile((char *) qpath, buffer, 0, 0); } //end of the function FS_ReadFileAndCache int FS_FOpenFileRead( const char *filename, FILE **file, qboolean uniqueFILE ) { *file = fopen(filename, "rb"); return (*file != NULL); } //end of the function FS_FOpenFileRead