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Diffstat (limited to 'code/unix/unix_shared.c')
| -rw-r--r-- | code/unix/unix_shared.c | 451 |
1 files changed, 0 insertions, 451 deletions
diff --git a/code/unix/unix_shared.c b/code/unix/unix_shared.c deleted file mode 100644 index a607a2f..0000000 --- a/code/unix/unix_shared.c +++ /dev/null @@ -1,451 +0,0 @@ -/* -=========================================================================== -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 Quake III Arena source code; if not, write to the Free Software -Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -=========================================================================== -*/ -#include <sys/types.h> -#include <sys/stat.h> -#include <errno.h> -#include <stdio.h> -#include <dirent.h> -#include <unistd.h> -#include <sys/mman.h> -#include <sys/time.h> -#include <pwd.h> - -#include "../qcommon/q_shared.h" -#include "../qcommon/qcommon.h" - -//============================================================================= - -// Used to determine CD Path -static char cdPath[MAX_OSPATH]; - -// Used to determine local installation path -static char installPath[MAX_OSPATH]; - -// Used to determine where to store user-specific files -static char homePath[MAX_OSPATH]; - -/* -================ -Sys_Milliseconds -================ -*/ -/* base time in seconds, that's our origin - timeval:tv_sec is an int: - assuming this wraps every 0x7fffffff - ~68 years since the Epoch (1970) - we're safe till 2038 - using unsigned long data type to work right with Sys_XTimeToSysTime */ -unsigned long sys_timeBase = 0; -/* current time in ms, using sys_timeBase as origin - NOTE: sys_timeBase*1000 + curtime -> ms since the Epoch - 0x7fffffff ms - ~24 days - although timeval:tv_usec is an int, I'm not sure wether it is actually used as an unsigned int - (which would affect the wrap period) */ -int curtime; -int Sys_Milliseconds (void) -{ - struct timeval tp; - - gettimeofday(&tp, NULL); - - if (!sys_timeBase) - { - sys_timeBase = tp.tv_sec; - return tp.tv_usec/1000; - } - - curtime = (tp.tv_sec - sys_timeBase)*1000 + tp.tv_usec/1000; - - return curtime; -} - -#if (defined(__linux__) || defined(__FreeBSD__) || defined(__sun)) && !defined(DEDICATED) -/* -================ -Sys_XTimeToSysTime -sub-frame timing of events returned by X -X uses the Time typedef - unsigned long -disable with in_subframe 0 - - sys_timeBase*1000 is the number of ms since the Epoch of our origin - xtime is in ms and uses the Epoch as origin - Time data type is an unsigned long: 0xffffffff ms - ~49 days period - I didn't find much info in the XWindow documentation about the wrapping - we clamp sys_timeBase*1000 to unsigned long, that gives us the current origin for xtime - the computation will still work if xtime wraps (at ~49 days period since the Epoch) after we set sys_timeBase - -================ -*/ -extern cvar_t *in_subframe; -int Sys_XTimeToSysTime (unsigned long xtime) -{ - int ret, time, test; - - if (!in_subframe->value) - { - // if you don't want to do any event times corrections - return Sys_Milliseconds(); - } - - // test the wrap issue -#if 0 - // reference values for test: sys_timeBase 0x3dc7b5e9 xtime 0x541ea451 (read these from a test run) - // xtime will wrap in 0xabe15bae ms >~ 0x2c0056 s (33 days from Nov 5 2002 -> 8 Dec) - // NOTE: date -d '1970-01-01 UTC 1039384002 seconds' +%c - // use sys_timeBase 0x3dc7b5e9+0x2c0056 = 0x3df3b63f - // after around 5s, xtime would have wrapped around - // we get 7132, the formula handles the wrap safely - unsigned long xtime_aux,base_aux; - int test; -// Com_Printf("sys_timeBase: %p\n", sys_timeBase); -// Com_Printf("xtime: %p\n", xtime); - xtime_aux = 500; // 500 ms after wrap - base_aux = 0x3df3b63f; // the base a few seconds before wrap - test = xtime_aux - (unsigned long)(base_aux*1000); - Com_Printf("xtime wrap test: %d\n", test); -#endif - - // some X servers (like suse 8.1's) report weird event times - // if the game is loading, resolving DNS, etc. we are also getting old events - // so we only deal with subframe corrections that look 'normal' - ret = xtime - (unsigned long)(sys_timeBase*1000); - time = Sys_Milliseconds(); - test = time - ret; - //printf("delta: %d\n", test); - if (test < 0 || test > 30) // in normal conditions I've never seen this go above - { - return time; - } - - return ret; -} -#endif - -//#if 0 // bk001215 - see snapvector.nasm for replacement -#if !id386 // rcg010206 - using this for PPC builds... -long fastftol( float f ) { // bk001213 - from win32/win_shared.c - //static int tmp; - // __asm fld f - //__asm fistp tmp - //__asm mov eax, tmp - return (long)f; -} - -void Sys_SnapVector( float *v ) { // bk001213 - see win32/win_shared.c - // bk001213 - old linux - v[0] = rint(v[0]); - v[1] = rint(v[1]); - v[2] = rint(v[2]); -} -#endif - - -void Sys_Mkdir( const char *path ) -{ - mkdir (path, 0777); -} - -char *strlwr (char *s) { - if ( s==NULL ) { // bk001204 - paranoia - assert(0); - return s; - } - while (*s) { - *s = tolower(*s); - s++; - } - return s; // bk001204 - duh -} - -qboolean Sys_RandomBytes( byte *string, int len ) -{ - FILE *fp; - - fp = fopen( "/dev/urandom", "r" ); - if( !fp ) - return qfalse; - - if( !fread( string, sizeof( byte ), len, fp ) ) { - fclose( fp ); - return qfalse; - } - fclose( fp ); - return qtrue; -} - -//============================================ - -#define MAX_FOUND_FILES 0x1000 - -// bk001129 - new in 1.26 -void Sys_ListFilteredFiles( const char *basedir, char *subdirs, char *filter, char **list, int *numfiles ) { - char search[MAX_OSPATH], newsubdirs[MAX_OSPATH]; - char filename[MAX_OSPATH]; - DIR *fdir; - struct dirent *d; - struct stat st; - - if ( *numfiles >= MAX_FOUND_FILES - 1 ) { - return; - } - - if (strlen(subdirs)) { - Com_sprintf( search, sizeof(search), "%s/%s", basedir, subdirs ); - } - else { - Com_sprintf( search, sizeof(search), "%s", basedir ); - } - - if ((fdir = opendir(search)) == NULL) { - return; - } - - while ((d = readdir(fdir)) != NULL) { - Com_sprintf(filename, sizeof(filename), "%s/%s", search, d->d_name); - if (stat(filename, &st) == -1) - continue; - - if (st.st_mode & S_IFDIR) { - if (Q_stricmp(d->d_name, ".") && Q_stricmp(d->d_name, "..")) { - if (strlen(subdirs)) { - Com_sprintf( newsubdirs, sizeof(newsubdirs), "%s/%s", subdirs, d->d_name); - } - else { - Com_sprintf( newsubdirs, sizeof(newsubdirs), "%s", d->d_name); - } - Sys_ListFilteredFiles( basedir, newsubdirs, filter, list, numfiles ); - } - } - if ( *numfiles >= MAX_FOUND_FILES - 1 ) { - break; - } - Com_sprintf( filename, sizeof(filename), "%s/%s", subdirs, d->d_name ); - if (!Com_FilterPath( filter, filename, qfalse )) - continue; - list[ *numfiles ] = CopyString( filename ); - (*numfiles)++; - } - - closedir(fdir); -} - -// bk001129 - in 1.17 this used to be -// char **Sys_ListFiles( const char *directory, const char *extension, int *numfiles, qboolean wantsubs ) -char **Sys_ListFiles( const char *directory, const char *extension, char *filter, int *numfiles, qboolean wantsubs ) -{ - struct dirent *d; - // char *p; // bk001204 - unused - DIR *fdir; - qboolean dironly = wantsubs; - char search[MAX_OSPATH]; - int nfiles; - char **listCopy; - char *list[MAX_FOUND_FILES]; - //int flag; // bk001204 - unused - int i; - struct stat st; - - int extLen; - - if (filter) { - - nfiles = 0; - Sys_ListFilteredFiles( directory, "", filter, list, &nfiles ); - - list[ nfiles ] = NULL; - *numfiles = nfiles; - - if (!nfiles) - return NULL; - - listCopy = Z_Malloc( ( nfiles + 1 ) * sizeof( *listCopy ) ); - for ( i = 0 ; i < nfiles ; i++ ) { - listCopy[i] = list[i]; - } - listCopy[i] = NULL; - - return listCopy; - } - - if ( !extension) - extension = ""; - - if ( extension[0] == '/' && extension[1] == 0 ) { - extension = ""; - dironly = qtrue; - } - - extLen = strlen( extension ); - - // search - nfiles = 0; - - if ((fdir = opendir(directory)) == NULL) { - *numfiles = 0; - return NULL; - } - - while ((d = readdir(fdir)) != NULL) { - Com_sprintf(search, sizeof(search), "%s/%s", directory, d->d_name); - if (stat(search, &st) == -1) - continue; - if ((dironly && !(st.st_mode & S_IFDIR)) || - (!dironly && (st.st_mode & S_IFDIR))) - continue; - - if (*extension) { - if ( strlen( d->d_name ) < strlen( extension ) || - Q_stricmp( - d->d_name + strlen( d->d_name ) - strlen( extension ), - extension ) ) { - continue; // didn't match - } - } - - if ( nfiles == MAX_FOUND_FILES - 1 ) - break; - list[ nfiles ] = CopyString( d->d_name ); - nfiles++; - } - - list[ nfiles ] = NULL; - - closedir(fdir); - - // return a copy of the list - *numfiles = nfiles; - - if ( !nfiles ) { - return NULL; - } - - listCopy = Z_Malloc( ( nfiles + 1 ) * sizeof( *listCopy ) ); - for ( i = 0 ; i < nfiles ; i++ ) { - listCopy[i] = list[i]; - } - listCopy[i] = NULL; - - return listCopy; -} - -void Sys_FreeFileList( char **list ) { - int i; - - if ( !list ) { - return; - } - - for ( i = 0 ; list[i] ; i++ ) { - Z_Free( list[i] ); - } - - Z_Free( list ); -} - -char *Sys_Cwd( void ) -{ - static char cwd[MAX_OSPATH]; - - getcwd( cwd, sizeof( cwd ) - 1 ); - cwd[MAX_OSPATH-1] = 0; - - return cwd; -} - -void Sys_SetDefaultCDPath(const char *path) -{ - Q_strncpyz(cdPath, path, sizeof(cdPath)); -} - -char *Sys_DefaultCDPath(void) -{ - return cdPath; -} - -void Sys_SetDefaultInstallPath(const char *path) -{ - Q_strncpyz(installPath, path, sizeof(installPath)); -} - -char *Sys_DefaultInstallPath(void) -{ - if (*installPath) - return installPath; - else - return Sys_Cwd(); -} - -void Sys_SetDefaultHomePath(const char *path) -{ - Q_strncpyz(homePath, path, sizeof(homePath)); -} - -char *Sys_DefaultHomePath(void) -{ - char *p; - - if (*homePath) - return homePath; - - if ((p = getenv("HOME")) != NULL) { - Q_strncpyz(homePath, p, sizeof(homePath)); -#ifdef MACOS_X - Q_strcat(homePath, sizeof(homePath), "/Library/Application Support/Quake3"); -#else - Q_strcat(homePath, sizeof(homePath), "/.q3a"); -#endif - if (mkdir(homePath, 0777)) { - if (errno != EEXIST) - Sys_Error("Unable to create directory \"%s\", error is %s(%d)\n", homePath, strerror(errno), errno); - } - return homePath; - } - return ""; // assume current dir -} - -//============================================ - -int Sys_GetProcessorId( void ) -{ - return CPUID_GENERIC; -} - -void Sys_ShowConsole( int visLevel, qboolean quitOnClose ) -{ -} - -char *Sys_GetCurrentUser( void ) -{ - struct passwd *p; - - if ( (p = getpwuid( getuid() )) == NULL ) { - return "player"; - } - return p->pw_name; -} - -#if defined(__linux__) || defined(__FreeBSD__) -// TTimo -// sysconf() in libc, POSIX.1 compliant -unsigned int Sys_ProcessorCount(void) -{ - return sysconf(_SC_NPROCESSORS_ONLN); -} -#endif |