mirror of https://github.com/UberGames/rpgxEF.git
892 lines
17 KiB
C
892 lines
17 KiB
C
/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Quake III Arena source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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#include "../qcommon/q_shared.h"
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#include "../qcommon/qcommon.h"
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#include "sys_local.h"
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#include <signal.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <stdio.h>
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#include <dirent.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include <sys/time.h>
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#include <pwd.h>
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#include <libgen.h>
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#include <fcntl.h>
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#include <fenv.h>
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#include <sys/wait.h>
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qboolean stdinIsATTY;
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// Used to determine where to store user-specific files
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static char homePath[ MAX_OSPATH ] = { 0 };
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/*
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==================
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Sys_DefaultHomePath
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==================
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*/
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char *Sys_DefaultHomePath(void)
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{
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char *p;
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if( !*homePath )
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{
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if( ( p = getenv( "HOME" ) ) != NULL )
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{
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Com_sprintf(homePath, sizeof(homePath), "%s%c", p, PATH_SEP);
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#ifdef ELITEFORCE
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#ifdef MACOS_X
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Q_strcat(homePath, sizeof(homePath), "/Library/Application Support/STVEF");
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#else
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Q_strcat(homePath, sizeof(homePath), "/.stvef");
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#endif
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#else
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#ifdef MACOS_X
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Q_strcat(homePath, sizeof(homePath),
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"Library/Application Support/");
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if(com_homepath->string[0])
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Q_strcat(homePath, sizeof(homePath), com_homepath->string);
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else
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Q_strcat(homePath, sizeof(homePath), HOMEPATH_NAME_MACOSX);
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#else
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if(com_homepath->string[0])
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Q_strcat(homePath, sizeof(homePath), com_homepath->string);
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else
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Q_strcat(homePath, sizeof(homePath), HOMEPATH_NAME_UNIX);
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#endif
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#endif
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}
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}
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return homePath;
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}
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#ifndef MACOS_X
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/*
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================
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Sys_TempPath
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================
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*/
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const char *Sys_TempPath( void )
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{
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const char *TMPDIR = getenv( "TMPDIR" );
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if( TMPDIR == NULL || TMPDIR[ 0 ] == '\0' )
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return "/tmp";
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else
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return TMPDIR;
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}
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#endif
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/*
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================
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Sys_Milliseconds
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================
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*/
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/* base time in seconds, that's our origin
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timeval:tv_sec is an int:
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assuming this wraps every 0x7fffffff - ~68 years since the Epoch (1970) - we're safe till 2038 */
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unsigned long sys_timeBase = 0;
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/* current time in ms, using sys_timeBase as origin
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NOTE: sys_timeBase*1000 + curtime -> ms since the Epoch
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0x7fffffff ms - ~24 days
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although timeval:tv_usec is an int, I'm not sure wether it is actually used as an unsigned int
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(which would affect the wrap period) */
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int curtime;
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int Sys_Milliseconds (void)
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{
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struct timeval tp;
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gettimeofday(&tp, NULL);
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if (!sys_timeBase)
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{
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sys_timeBase = tp.tv_sec;
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return tp.tv_usec/1000;
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}
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curtime = (tp.tv_sec - sys_timeBase)*1000 + tp.tv_usec/1000;
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return curtime;
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}
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/*
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==================
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Sys_RandomBytes
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==================
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*/
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qboolean Sys_RandomBytes( byte *string, int len )
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{
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FILE *fp;
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fp = fopen( "/dev/urandom", "r" );
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if( !fp )
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return qfalse;
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if( !fread( string, sizeof( byte ), len, fp ) )
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{
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fclose( fp );
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return qfalse;
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}
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fclose( fp );
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return qtrue;
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}
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/*
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==================
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Sys_GetCurrentUser
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==================
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*/
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char *Sys_GetCurrentUser( void )
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{
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struct passwd *p;
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if ( (p = getpwuid( getuid() )) == NULL ) {
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return "player";
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}
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return p->pw_name;
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}
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/*
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==================
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Sys_GetClipboardData
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==================
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*/
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char *Sys_GetClipboardData(void)
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{
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return NULL;
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}
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#define MEM_THRESHOLD 96*1024*1024
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/*
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==================
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Sys_LowPhysicalMemory
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TODO
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==================
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*/
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qboolean Sys_LowPhysicalMemory( void )
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{
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return qfalse;
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}
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/*
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==================
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Sys_Basename
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==================
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*/
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const char *Sys_Basename( char *path )
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{
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return basename( path );
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}
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/*
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==================
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Sys_Dirname
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==================
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*/
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const char *Sys_Dirname( char *path )
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{
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return dirname( path );
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}
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/*
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==================
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Sys_Mkdir
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==================
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*/
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qboolean Sys_Mkdir( const char *path )
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{
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int result = mkdir( path, 0750 );
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if( result != 0 )
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return errno == EEXIST;
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return qtrue;
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}
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/*
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==================
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Sys_Mkfifo
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==================
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*/
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FILE *Sys_Mkfifo( const char *ospath )
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{
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FILE *fifo;
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int result;
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int fn;
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struct stat buf;
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// if file already exists AND is a pipefile, remove it
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if( !stat( ospath, &buf ) && S_ISFIFO( buf.st_mode ) )
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FS_Remove( ospath );
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result = mkfifo( ospath, 0600 );
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if( result != 0 )
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return NULL;
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fifo = fopen( ospath, "w+" );
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if( fifo )
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{
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fn = fileno( fifo );
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fcntl( fn, F_SETFL, O_NONBLOCK );
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}
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return fifo;
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}
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/*
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==================
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Sys_Cwd
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==================
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*/
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char *Sys_Cwd( void )
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{
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static char cwd[MAX_OSPATH];
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char *result = getcwd( cwd, sizeof( cwd ) - 1 );
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if( result != cwd )
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return NULL;
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cwd[MAX_OSPATH-1] = 0;
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return cwd;
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}
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/*
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==============================================================
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DIRECTORY SCANNING
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==============================================================
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*/
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#define MAX_FOUND_FILES 0x1000
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/*
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==================
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Sys_ListFilteredFiles
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==================
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*/
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void Sys_ListFilteredFiles( const char *basedir, char *subdirs, char *filter, char **list, int *numfiles )
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{
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char search[MAX_OSPATH], newsubdirs[MAX_OSPATH];
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char filename[MAX_OSPATH];
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DIR *fdir;
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struct dirent *d;
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struct stat st;
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if ( *numfiles >= MAX_FOUND_FILES - 1 ) {
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return;
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}
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if (strlen(subdirs)) {
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Com_sprintf( search, sizeof(search), "%s/%s", basedir, subdirs );
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}
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else {
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Com_sprintf( search, sizeof(search), "%s", basedir );
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}
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if ((fdir = opendir(search)) == NULL) {
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return;
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}
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while ((d = readdir(fdir)) != NULL) {
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Com_sprintf(filename, sizeof(filename), "%s/%s", search, d->d_name);
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if (stat(filename, &st) == -1)
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continue;
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if (st.st_mode & S_IFDIR) {
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if (Q_stricmp(d->d_name, ".") && Q_stricmp(d->d_name, "..")) {
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if (strlen(subdirs)) {
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Com_sprintf( newsubdirs, sizeof(newsubdirs), "%s/%s", subdirs, d->d_name);
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}
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else {
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Com_sprintf( newsubdirs, sizeof(newsubdirs), "%s", d->d_name);
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}
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Sys_ListFilteredFiles( basedir, newsubdirs, filter, list, numfiles );
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}
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}
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if ( *numfiles >= MAX_FOUND_FILES - 1 ) {
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break;
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}
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Com_sprintf( filename, sizeof(filename), "%s/%s", subdirs, d->d_name );
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if (!Com_FilterPath( filter, filename, qfalse ))
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continue;
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list[ *numfiles ] = CopyString( filename );
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(*numfiles)++;
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}
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closedir(fdir);
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}
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/*
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==================
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Sys_ListFiles
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==================
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*/
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char **Sys_ListFiles( const char *directory, const char *extension, char *filter, int *numfiles, qboolean wantsubs )
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{
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struct dirent *d;
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DIR *fdir;
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qboolean dironly = wantsubs;
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char search[MAX_OSPATH];
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int nfiles;
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char **listCopy;
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char *list[MAX_FOUND_FILES];
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int i;
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struct stat st;
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int extLen;
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if (filter) {
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nfiles = 0;
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Sys_ListFilteredFiles( directory, "", filter, list, &nfiles );
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list[ nfiles ] = NULL;
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*numfiles = nfiles;
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if (!nfiles)
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return NULL;
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listCopy = Z_Malloc( ( nfiles + 1 ) * sizeof( *listCopy ) );
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for ( i = 0 ; i < nfiles ; i++ ) {
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listCopy[i] = list[i];
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}
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listCopy[i] = NULL;
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return listCopy;
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}
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if ( !extension)
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extension = "";
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if ( extension[0] == '/' && extension[1] == 0 ) {
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extension = "";
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dironly = qtrue;
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}
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extLen = strlen( extension );
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// search
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nfiles = 0;
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if ((fdir = opendir(directory)) == NULL) {
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*numfiles = 0;
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return NULL;
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}
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while ((d = readdir(fdir)) != NULL) {
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Com_sprintf(search, sizeof(search), "%s/%s", directory, d->d_name);
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if (stat(search, &st) == -1)
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continue;
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if ((dironly && !(st.st_mode & S_IFDIR)) ||
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(!dironly && (st.st_mode & S_IFDIR)))
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continue;
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if (*extension) {
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if ( strlen( d->d_name ) < extLen ||
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Q_stricmp(
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d->d_name + strlen( d->d_name ) - extLen,
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extension ) ) {
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continue; // didn't match
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}
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}
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if ( nfiles == MAX_FOUND_FILES - 1 )
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break;
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list[ nfiles ] = CopyString( d->d_name );
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nfiles++;
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}
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list[ nfiles ] = NULL;
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closedir(fdir);
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// return a copy of the list
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*numfiles = nfiles;
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if ( !nfiles ) {
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return NULL;
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}
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listCopy = Z_Malloc( ( nfiles + 1 ) * sizeof( *listCopy ) );
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for ( i = 0 ; i < nfiles ; i++ ) {
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listCopy[i] = list[i];
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}
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listCopy[i] = NULL;
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return listCopy;
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}
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/*
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==================
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Sys_FreeFileList
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==================
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*/
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void Sys_FreeFileList( char **list )
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{
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int i;
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if ( !list ) {
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return;
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}
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for ( i = 0 ; list[i] ; i++ ) {
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Z_Free( list[i] );
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}
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Z_Free( list );
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}
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/*
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==================
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Sys_Sleep
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Block execution for msec or until input is recieved.
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==================
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*/
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void Sys_Sleep( int msec )
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{
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if( msec == 0 )
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return;
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if( stdinIsATTY )
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{
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fd_set fdset;
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FD_ZERO(&fdset);
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FD_SET(STDIN_FILENO, &fdset);
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if( msec < 0 )
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{
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select(STDIN_FILENO + 1, &fdset, NULL, NULL, NULL);
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}
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else
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{
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struct timeval timeout;
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timeout.tv_sec = msec/1000;
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timeout.tv_usec = (msec%1000)*1000;
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select(STDIN_FILENO + 1, &fdset, NULL, NULL, &timeout);
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}
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}
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else
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{
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// With nothing to select() on, we can't wait indefinitely
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if( msec < 0 )
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msec = 10;
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usleep( msec * 1000 );
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}
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}
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/*
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==============
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Sys_ErrorDialog
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Display an error message
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==============
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*/
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void Sys_ErrorDialog( const char *error )
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{
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char buffer[ 1024 ];
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unsigned int size;
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int f = -1;
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const char *homepath = Cvar_VariableString( "fs_homepath" );
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const char *gamedir = Cvar_VariableString( "fs_game" );
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const char *fileName = "crashlog.txt";
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char *ospath = FS_BuildOSPath( homepath, gamedir, fileName );
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Sys_Print( va( "%s\n", error ) );
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#ifndef DEDICATED
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Sys_Dialog( DT_ERROR, va( "%s. See \"%s\" for details.", error, ospath ), "Error" );
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#endif
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// Make sure the write path for the crashlog exists...
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if( FS_CreatePath( ospath ) ) {
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Com_Printf( "ERROR: couldn't create path '%s' for crash log.\n", ospath );
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return;
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}
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// We might be crashing because we maxed out the Quake MAX_FILE_HANDLES,
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// which will come through here, so we don't want to recurse forever by
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// calling FS_FOpenFileWrite()...use the Unix system APIs instead.
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f = open( ospath, O_CREAT | O_TRUNC | O_WRONLY, 0640 );
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if( f == -1 )
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{
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Com_Printf( "ERROR: couldn't open %s\n", fileName );
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return;
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}
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// We're crashing, so we don't care much if write() or close() fails.
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while( ( size = CON_LogRead( buffer, sizeof( buffer ) ) ) > 0 ) {
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if( write( f, buffer, size ) != size ) {
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Com_Printf( "ERROR: couldn't fully write to %s\n", fileName );
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break;
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}
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}
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close( f );
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}
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#ifndef MACOS_X
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static char execBuffer[ 1024 ];
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static char *execBufferPointer;
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static char *execArgv[ 16 ];
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static int execArgc;
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/*
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==============
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Sys_ClearExecBuffer
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==============
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*/
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static void Sys_ClearExecBuffer( void )
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{
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execBufferPointer = execBuffer;
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Com_Memset( execArgv, 0, sizeof( execArgv ) );
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execArgc = 0;
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}
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/*
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==============
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Sys_AppendToExecBuffer
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==============
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*/
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static void Sys_AppendToExecBuffer( const char *text )
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{
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size_t size = sizeof( execBuffer ) - ( execBufferPointer - execBuffer );
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int length = strlen( text ) + 1;
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if( length > size || execArgc >= ARRAY_LEN( execArgv ) )
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return;
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Q_strncpyz( execBufferPointer, text, size );
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execArgv[ execArgc++ ] = execBufferPointer;
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execBufferPointer += length;
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}
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/*
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==============
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Sys_Exec
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==============
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*/
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static int Sys_Exec( void )
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{
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pid_t pid = fork( );
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|
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if( pid < 0 )
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return -1;
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|
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if( pid )
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|
{
|
|
// Parent
|
|
int exitCode;
|
|
|
|
wait( &exitCode );
|
|
|
|
return WEXITSTATUS( exitCode );
|
|
}
|
|
else
|
|
{
|
|
// Child
|
|
execvp( execArgv[ 0 ], execArgv );
|
|
|
|
// Failed to execute
|
|
exit( -1 );
|
|
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
==============
|
|
Sys_ZenityCommand
|
|
==============
|
|
*/
|
|
static void Sys_ZenityCommand( dialogType_t type, const char *message, const char *title )
|
|
{
|
|
Sys_ClearExecBuffer( );
|
|
Sys_AppendToExecBuffer( "zenity" );
|
|
|
|
switch( type )
|
|
{
|
|
default:
|
|
case DT_INFO: Sys_AppendToExecBuffer( "--info" ); break;
|
|
case DT_WARNING: Sys_AppendToExecBuffer( "--warning" ); break;
|
|
case DT_ERROR: Sys_AppendToExecBuffer( "--error" ); break;
|
|
case DT_YES_NO:
|
|
Sys_AppendToExecBuffer( "--question" );
|
|
Sys_AppendToExecBuffer( "--ok-label=Yes" );
|
|
Sys_AppendToExecBuffer( "--cancel-label=No" );
|
|
break;
|
|
|
|
case DT_OK_CANCEL:
|
|
Sys_AppendToExecBuffer( "--question" );
|
|
Sys_AppendToExecBuffer( "--ok-label=OK" );
|
|
Sys_AppendToExecBuffer( "--cancel-label=Cancel" );
|
|
break;
|
|
}
|
|
|
|
Sys_AppendToExecBuffer( va( "--text=%s", message ) );
|
|
Sys_AppendToExecBuffer( va( "--title=%s", title ) );
|
|
}
|
|
|
|
/*
|
|
==============
|
|
Sys_KdialogCommand
|
|
==============
|
|
*/
|
|
static void Sys_KdialogCommand( dialogType_t type, const char *message, const char *title )
|
|
{
|
|
Sys_ClearExecBuffer( );
|
|
Sys_AppendToExecBuffer( "kdialog" );
|
|
|
|
switch( type )
|
|
{
|
|
default:
|
|
case DT_INFO: Sys_AppendToExecBuffer( "--msgbox" ); break;
|
|
case DT_WARNING: Sys_AppendToExecBuffer( "--sorry" ); break;
|
|
case DT_ERROR: Sys_AppendToExecBuffer( "--error" ); break;
|
|
case DT_YES_NO: Sys_AppendToExecBuffer( "--warningyesno" ); break;
|
|
case DT_OK_CANCEL: Sys_AppendToExecBuffer( "--warningcontinuecancel" ); break;
|
|
}
|
|
|
|
Sys_AppendToExecBuffer( message );
|
|
Sys_AppendToExecBuffer( va( "--title=%s", title ) );
|
|
}
|
|
|
|
/*
|
|
==============
|
|
Sys_XmessageCommand
|
|
==============
|
|
*/
|
|
static void Sys_XmessageCommand( dialogType_t type, const char *message, const char *title )
|
|
{
|
|
Sys_ClearExecBuffer( );
|
|
Sys_AppendToExecBuffer( "xmessage" );
|
|
Sys_AppendToExecBuffer( "-buttons" );
|
|
|
|
switch( type )
|
|
{
|
|
default: Sys_AppendToExecBuffer( "OK:0" ); break;
|
|
case DT_YES_NO: Sys_AppendToExecBuffer( "Yes:0,No:1" ); break;
|
|
case DT_OK_CANCEL: Sys_AppendToExecBuffer( "OK:0,Cancel:1" ); break;
|
|
}
|
|
|
|
Sys_AppendToExecBuffer( "-center" );
|
|
Sys_AppendToExecBuffer( message );
|
|
}
|
|
|
|
/*
|
|
==============
|
|
Sys_Dialog
|
|
|
|
Display a *nix dialog box
|
|
==============
|
|
*/
|
|
dialogResult_t Sys_Dialog( dialogType_t type, const char *message, const char *title )
|
|
{
|
|
typedef enum
|
|
{
|
|
NONE = 0,
|
|
ZENITY,
|
|
KDIALOG,
|
|
XMESSAGE,
|
|
NUM_DIALOG_PROGRAMS
|
|
} dialogCommandType_t;
|
|
typedef void (*dialogCommandBuilder_t)( dialogType_t, const char *, const char * );
|
|
|
|
const char *session = getenv( "DESKTOP_SESSION" );
|
|
qboolean tried[ NUM_DIALOG_PROGRAMS ] = { qfalse };
|
|
dialogCommandBuilder_t commands[ NUM_DIALOG_PROGRAMS ] = { NULL };
|
|
dialogCommandType_t preferredCommandType = NONE;
|
|
|
|
commands[ ZENITY ] = &Sys_ZenityCommand;
|
|
commands[ KDIALOG ] = &Sys_KdialogCommand;
|
|
commands[ XMESSAGE ] = &Sys_XmessageCommand;
|
|
|
|
// This may not be the best way
|
|
if( !Q_stricmp( session, "gnome" ) )
|
|
preferredCommandType = ZENITY;
|
|
else if( !Q_stricmp( session, "kde" ) )
|
|
preferredCommandType = KDIALOG;
|
|
|
|
while( 1 )
|
|
{
|
|
int i;
|
|
|
|
for( i = NONE + 1; i < NUM_DIALOG_PROGRAMS; i++ )
|
|
{
|
|
if( preferredCommandType != NONE && preferredCommandType != i )
|
|
continue;
|
|
|
|
if( !tried[ i ] )
|
|
{
|
|
int exitCode;
|
|
|
|
commands[ i ]( type, message, title );
|
|
exitCode = Sys_Exec( );
|
|
|
|
if( exitCode >= 0 )
|
|
{
|
|
switch( type )
|
|
{
|
|
case DT_YES_NO: return exitCode ? DR_NO : DR_YES;
|
|
case DT_OK_CANCEL: return exitCode ? DR_CANCEL : DR_OK;
|
|
default: return DR_OK;
|
|
}
|
|
}
|
|
|
|
tried[ i ] = qtrue;
|
|
|
|
// The preference failed, so start again in order
|
|
if( preferredCommandType != NONE )
|
|
{
|
|
preferredCommandType = NONE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
for( i = NONE + 1; i < NUM_DIALOG_PROGRAMS; i++ )
|
|
{
|
|
if( !tried[ i ] )
|
|
continue;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
Com_DPrintf( S_COLOR_YELLOW "WARNING: failed to show a dialog\n" );
|
|
return DR_OK;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
==============
|
|
Sys_GLimpSafeInit
|
|
|
|
Unix specific "safe" GL implementation initialisation
|
|
==============
|
|
*/
|
|
void Sys_GLimpSafeInit( void )
|
|
{
|
|
// NOP
|
|
}
|
|
|
|
/*
|
|
==============
|
|
Sys_GLimpInit
|
|
|
|
Unix specific GL implementation initialisation
|
|
==============
|
|
*/
|
|
void Sys_GLimpInit( void )
|
|
{
|
|
// NOP
|
|
}
|
|
|
|
void Sys_SetFloatEnv(void)
|
|
{
|
|
// rounding toward nearest
|
|
fesetround(FE_TONEAREST);
|
|
}
|
|
|
|
/*
|
|
==============
|
|
Sys_PlatformInit
|
|
|
|
Unix specific initialisation
|
|
==============
|
|
*/
|
|
void Sys_PlatformInit( void )
|
|
{
|
|
const char* term = getenv( "TERM" );
|
|
|
|
signal( SIGHUP, Sys_SigHandler );
|
|
signal( SIGQUIT, Sys_SigHandler );
|
|
signal( SIGTRAP, Sys_SigHandler );
|
|
signal( SIGIOT, Sys_SigHandler );
|
|
signal( SIGBUS, Sys_SigHandler );
|
|
|
|
stdinIsATTY = isatty( STDIN_FILENO ) &&
|
|
!( term && ( !strcmp( term, "raw" ) || !strcmp( term, "dumb" ) ) );
|
|
}
|
|
|
|
/*
|
|
==============
|
|
Sys_PlatformExit
|
|
|
|
Unix specific deinitialisation
|
|
==============
|
|
*/
|
|
void Sys_PlatformExit( void )
|
|
{
|
|
}
|
|
|
|
/*
|
|
==============
|
|
Sys_SetEnv
|
|
|
|
set/unset environment variables (empty value removes it)
|
|
==============
|
|
*/
|
|
|
|
void Sys_SetEnv(const char *name, const char *value)
|
|
{
|
|
if(value && *value)
|
|
setenv(name, value, 1);
|
|
else
|
|
unsetenv(name);
|
|
}
|
|
|
|
/*
|
|
==============
|
|
Sys_PID
|
|
==============
|
|
*/
|
|
int Sys_PID( void )
|
|
{
|
|
return getpid( );
|
|
}
|
|
|
|
/*
|
|
==============
|
|
Sys_PIDIsRunning
|
|
==============
|
|
*/
|
|
qboolean Sys_PIDIsRunning( int pid )
|
|
{
|
|
return kill( pid, 0 ) == 0;
|
|
}
|