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https://github.com/UberGames/lilium-voyager.git
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545 lines
10 KiB
C
545 lines
10 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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// 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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Q_strncpyz( homePath, p, sizeof( homePath ) );
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#ifdef MACOS_X
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Q_strcat( homePath, sizeof( homePath ), "/Library/Application Support/Quake3" );
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#else
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Q_strcat( homePath, sizeof( homePath ), "/.q3a" );
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#endif
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if( mkdir( homePath, 0777 ) )
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{
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if( errno != EEXIST )
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{
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Sys_Error( "Unable to create directory \"%s\", error is %s(%d)\n",
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homePath, strerror( errno ), errno );
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}
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}
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}
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}
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return homePath;
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}
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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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using unsigned long data type to work right with Sys_XTimeToSysTime */
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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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#if !id386
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/*
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==================
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fastftol
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==================
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*/
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long fastftol( float f )
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{
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return (long)f;
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}
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/*
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==================
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Sys_SnapVector
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==================
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*/
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void Sys_SnapVector( float *v )
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{
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v[0] = rint(v[0]);
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v[1] = rint(v[1]);
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v[2] = rint(v[2]);
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}
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#endif
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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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void Sys_Mkdir( const char *path )
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{
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mkdir( path, 0777 );
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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 ) < strlen( extension ) ||
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Q_stricmp(
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d->d_name + strlen( d->d_name ) - strlen( extension ),
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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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#ifdef MACOS_X
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/*
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=================
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Sys_StripAppBundle
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Discovers if passed dir is suffixed with the directory structure of a Mac OS X
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.app bundle. If it is, the .app directory structure is stripped off the end and
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the result is returned. If not, dir is returned untouched.
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=================
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*/
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char *Sys_StripAppBundle( char *dir )
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{
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static char cwd[MAX_OSPATH];
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Q_strncpyz(cwd, dir, sizeof(cwd));
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if(strcmp(Sys_Basename(cwd), "MacOS"))
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return dir;
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Q_strncpyz(cwd, Sys_Dirname(cwd), sizeof(cwd));
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if(strcmp(Sys_Basename(cwd), "Contents"))
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return dir;
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Q_strncpyz(cwd, Sys_Dirname(cwd), sizeof(cwd));
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if(!strstr(Sys_Basename(cwd), ".app"))
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return dir;
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Q_strncpyz(cwd, Sys_Dirname(cwd), sizeof(cwd));
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return cwd;
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}
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#endif // MACOS_X
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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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fd_set fdset;
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if( msec == 0 )
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return;
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FD_ZERO(&fdset);
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FD_SET(fileno(stdin), &fdset);
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if( msec < 0 )
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{
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select((fileno(stdin) + 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((fileno(stdin) + 1), &fdset, NULL, NULL, &timeout);
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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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fileHandle_t f;
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const char *fileName = "crashlog.txt";
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Sys_Print( va( "%s\n", error ) );
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// Write console log to file
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f = FS_FOpenFileWrite( fileName );
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if( !f )
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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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while( ( size = CON_LogRead( buffer, sizeof( buffer ) ) ) > 0 )
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FS_Write( buffer, size, f );
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FS_FCloseFile( f );
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}
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/*
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==============
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Sys_GLimpInit
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Unix specific GL implementation initialisation
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==============
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*/
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void Sys_GLimpInit( void )
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{
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// NOP
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}
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/*
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==============
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Sys_PlatformInit
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Unix specific initialisation
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==============
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*/
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void Sys_PlatformInit( void )
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{
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signal( SIGHUP, Sys_SigHandler );
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signal( SIGQUIT, Sys_SigHandler );
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signal( SIGTRAP, Sys_SigHandler );
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signal( SIGIOT, Sys_SigHandler );
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signal( SIGBUS, Sys_SigHandler );
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}
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