962 lines
20 KiB
C
962 lines
20 KiB
C
/*
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Copyright (C) 1999-2006 Id Software, Inc. and contributors.
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For a list of contributors, see the accompanying CONTRIBUTORS file.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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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 GtkRadiant; 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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// cmdlib.c
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// TTimo 09/30/2000
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// from an intial copy of common/cmdlib.c
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// stripped out the Sys_Printf Sys_Printf stuff
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// SPoG 05/27/2001
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// merging alpha branch into trunk
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// replaced qprintf with Sys_Printf
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#include "cmdlib.h"
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#include "mathlib.h"
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#include "inout.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef WIN32
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#include <direct.h>
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#include <windows.h>
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#endif
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#if defined ( __linux__ ) || defined ( __APPLE__ )
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#include <unistd.h>
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#endif
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#define BASEDIRNAME "quake" // assumed to have a 2 or 3 following
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#ifdef SAFE_MALLOC
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// FIXME switch to -std=c99 or above to use proper %zu format specifier for size_t
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void *safe_malloc( size_t size ){
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void *p = malloc( size );
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if ( !p ) {
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Error( "safe_malloc failed on allocation of %lu bytes", (unsigned long)size );
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}
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return p;
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}
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void *safe_malloc_info( size_t size, const char* info ){
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void *p = malloc( size );
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if ( !p ) {
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Error( "%s: safe_malloc failed on allocation of %lu bytes", info, (unsigned long)size );
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}
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return p;
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}
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void *safe_calloc( size_t size ){
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void *p = calloc( 1, size );
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if ( !p ) {
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Error( "safe_calloc failed on allocation of %lu bytes", (unsigned long)size );
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}
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return p;
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}
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void *safe_calloc_info( size_t size, const char* info ){
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void *p = calloc( 1, size );
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if ( !p ) {
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Error( "%s: safe_calloc failed on allocation of %lu bytes", info, (unsigned long)size );
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}
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return p;
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}
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#endif
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/*
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===================
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ExpandWildcards
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Mimic unix command line expansion
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===================
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*/
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#define MAX_EX_ARGC 1024
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int ex_argc;
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char *ex_argv[MAX_EX_ARGC];
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#ifdef _WIN32
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#include "io.h"
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void ExpandWildcards( int *argc, char ***argv ){
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struct _finddata_t fileinfo;
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int handle;
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int i;
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char filename[1024];
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char filepath[1024];
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char *path;
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ex_argc = 0;
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for ( i = 0 ; i < *argc ; i++ )
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{
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path = ( *argv )[i];
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if ( path[0] == '-'
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|| ( !strstr( path, "*" ) && !strstr( path, "?" ) ) ) {
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ex_argv[ex_argc++] = path;
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continue;
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}
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handle = _findfirst( path, &fileinfo );
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if ( handle == -1 ) {
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return;
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}
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ExtractFilePath( path, filepath );
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do
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{
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sprintf( filename, "%s%s", filepath, fileinfo.name );
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ex_argv[ex_argc++] = copystring( filename );
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} while ( _findnext( handle, &fileinfo ) != -1 );
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_findclose( handle );
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}
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*argc = ex_argc;
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*argv = ex_argv;
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}
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#else
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void ExpandWildcards( int *argc, char ***argv ){
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}
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#endif
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/*
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qdir will hold the path up to the quake directory, including the slash
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f:\quake\
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/raid/quake/
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gamedir will hold qdir + the game directory (id1, id2, etc)
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*/
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char qdir[1024];
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char gamedir[1024];
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char writedir[1024];
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void SetQdirFromPath( const char *path ){
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const char *c;
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const char *sep;
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int len, count;
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path = ExpandArg( path );
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// search for "quake2" in path
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len = strlen( BASEDIRNAME );
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for ( c = path + strlen( path ) - 1 ; c != path ; c-- )
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{
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if ( strniEqual( c, BASEDIRNAME, len ) ) {
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//
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//strncpy (qdir, path, c+len+2-path);
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// the +2 assumes a 2 or 3 following quake which is not the
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// case with a retail install
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// so we need to add up how much to the next separator
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sep = c + len;
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count = 1;
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while ( !strEmpty( sep ) && !path_separator( *sep ) )
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{
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sep++;
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count++;
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}
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strncpy( qdir, path, c + len + count - path );
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Sys_Printf( "qdir: %s\n", qdir );
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FixDOSName( qdir );
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c += len + count;
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while ( *c )
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{
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if ( path_separator( *c ) ) {
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strncpy( gamedir, path, c + 1 - path );
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FixDOSName( gamedir );
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Sys_Printf( "gamedir: %s\n", gamedir );
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if ( strEmpty( writedir ) ) {
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strcpy( writedir, gamedir );
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}
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else{
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path_add_slash( writedir );
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}
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return;
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}
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c++;
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}
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Error( "No gamedir in %s", path );
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return;
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}
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}
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Error( "SetQdirFromPath: no '%s' in %s", BASEDIRNAME, path );
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}
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char *ExpandArg( const char *path ){
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static char full[1024];
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if ( path_is_absolute( path ) ) {
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strcpy( full, path );
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}
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else{
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Q_getwd( full );
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strcat( full, path );
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}
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return full;
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}
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char *ExpandPath( const char *path ){
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static char full[1024];
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if ( path_is_absolute( path ) ) {
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strcpy( full, path );
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}
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else{
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sprintf( full, "%s%s", qdir, path );
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}
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return full;
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}
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/*
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================
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I_FloatTime
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================
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*/
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double I_FloatTime( void ){
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time_t t;
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time( &t );
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return t;
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#if 0
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// more precise, less portable
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struct timeval tp;
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struct timezone tzp;
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static int secbase;
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gettimeofday( &tp, &tzp );
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if ( !secbase ) {
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secbase = tp.tv_sec;
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return tp.tv_usec / 1000000.0;
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}
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return ( tp.tv_sec - secbase ) + tp.tv_usec / 1000000.0;
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#endif
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}
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void Q_getwd( char *out ){
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#ifdef WIN32
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_getcwd( out, 256 );
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#else
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// Gef: Changed from getwd() to getcwd() to avoid potential buffer overflow
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if ( !getcwd( out, 256 ) ) {
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strClear( out );
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}
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#endif
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path_add_slash( out );
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FixDOSName( out );
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}
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void Q_mkdir( const char *path ){
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char parentbuf[256];
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const char *p = NULL;
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int retry = 2;
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while ( retry-- )
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{
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#ifdef WIN32
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if ( _mkdir( path ) != -1 ) {
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return;
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}
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#else
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if ( mkdir( path, 0777 ) != -1 ) {
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return;
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}
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#endif
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if ( errno == ENOENT ) {
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p = path_get_last_separator( path );
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}
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if ( !strEmpty( p ) ) {
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strcpyQ( parentbuf, path, p - path + 1 );
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if ( ( p - path ) < (ptrdiff_t) sizeof( parentbuf ) ) {
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Sys_Printf( "mkdir: %s: creating parent %s first\n", path, parentbuf );
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Q_mkdir( parentbuf );
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continue;
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}
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}
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break;
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}
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if ( errno != EEXIST ) {
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Error( "mkdir %s: %s", path, strerror( errno ) );
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}
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}
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/*
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============
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FileTime
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returns -1 if not present
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============
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*/
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int FileTime( const char *path ){
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struct stat buf;
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if ( stat( path,&buf ) == -1 ) {
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return -1;
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}
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return buf.st_mtime;
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}
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//http://stackoverflow.com/questions/27303062/strstr-function-like-that-ignores-upper-or-lower-case
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//chux: Somewhat tricky to match the corner cases of strstr() with inputs like "x","", "","x", "",""
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char *strIstr( const char* haystack, const char* needle ) {
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do {
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const char* h = haystack;
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const char* n = needle;
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while ( tolower( (unsigned char)*h ) == tolower( (unsigned char)*n ) && *n ) {
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h++;
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n++;
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}
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if ( *n == 0 ) {
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return (char *)haystack;
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}
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} while ( *haystack++ );
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return 0;
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}
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/*
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* Copy src to string dst of size size. At most size-1 characters
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* will be copied. Always NUL terminates (unless size == 0).
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* Returns strlen(src); if retval >= size, truncation occurred.
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*/
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size_t strcpyQ( char* dest, const char* src, const size_t dest_size ) {
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const size_t src_len = strlen( src );
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if( src_len < dest_size )
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memcpy( dest, src, src_len + 1 );
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else if( dest_size != 0 ){
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memcpy( dest, src, dest_size - 1 );
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dest[dest_size - 1] = '\0';
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}
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return src_len;
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}
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size_t strcatQ( char* dest, const char* src, const size_t dest_size ) {
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const size_t dest_len = strlen( dest );
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return dest_len + strcpyQ( dest + dest_len, src, dest_size > dest_len? dest_size - dest_len : 0 );
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}
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size_t strncatQ( char* dest, const char* src, const size_t dest_size, const size_t src_len ) {
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const size_t dest_len = strlen( dest );
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const size_t ds_len = dest_len + src_len;
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if( ds_len < dest_size ){
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memcpy( dest + dest_len, src, src_len );
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dest[ds_len] = '\0';
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}
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else if( dest_len < dest_size ){
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memcpy( dest + dest_len, src, dest_size - dest_len - 1 );
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dest[dest_size - 1] = '\0';
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}
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return ds_len;
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}
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/*
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=============================================================================
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MISC FUNCTIONS
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=============================================================================
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*/
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/*
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================
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Q_filelength
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================
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*/
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int Q_filelength( FILE *f ){
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int pos;
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int end;
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pos = ftell( f );
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fseek( f, 0, SEEK_END );
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end = ftell( f );
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fseek( f, pos, SEEK_SET );
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return end;
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}
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FILE *SafeOpenWrite( const char *filename ){
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FILE *f;
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f = fopen( filename, "wb" );
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if ( !f ) {
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Error( "Error opening %s: %s",filename,strerror( errno ) );
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}
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return f;
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}
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FILE *SafeOpenRead( const char *filename ){
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FILE *f;
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f = fopen( filename, "rb" );
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if ( !f ) {
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Error( "Error opening %s: %s",filename,strerror( errno ) );
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}
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return f;
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}
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void SafeRead( FILE *f, void *buffer, int count ){
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if ( fread( buffer, 1, count, f ) != (size_t)count ) {
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Error( "File read failure" );
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}
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}
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void SafeWrite( FILE *f, const void *buffer, int count ){
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if ( fwrite( buffer, 1, count, f ) != (size_t)count ) {
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Error( "File write failure" );
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}
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}
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/*
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==============
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FileExists
|
|
==============
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*/
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bool FileExists( const char *filename ){
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FILE *f;
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|
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f = fopen( filename, "r" );
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if ( !f ) {
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return false;
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}
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fclose( f );
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return true;
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}
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|
|
/*
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==============
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|
LoadFile
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==============
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|
*/
|
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int LoadFile( const char *filename, void **bufferptr ){
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FILE *f;
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int length;
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void *buffer;
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f = SafeOpenRead( filename );
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length = Q_filelength( f );
|
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buffer = safe_malloc( length + 1 );
|
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( (char *)buffer )[length] = 0;
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SafeRead( f, buffer, length );
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fclose( f );
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*bufferptr = buffer;
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return length;
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}
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|
|
|
|
/*
|
|
==============
|
|
LoadFileBlock
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|
-
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|
rounds up memory allocation to 4K boundry
|
|
-
|
|
==============
|
|
*/
|
|
int LoadFileBlock( const char *filename, void **bufferptr ){
|
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FILE *f;
|
|
int length, nBlock, nAllocSize;
|
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void *buffer;
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|
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f = SafeOpenRead( filename );
|
|
length = Q_filelength( f );
|
|
nAllocSize = length;
|
|
nBlock = nAllocSize % MEM_BLOCKSIZE;
|
|
if ( nBlock > 0 ) {
|
|
nAllocSize += MEM_BLOCKSIZE - nBlock;
|
|
}
|
|
buffer = safe_calloc( nAllocSize + 1 );
|
|
SafeRead( f, buffer, length );
|
|
fclose( f );
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|
|
*bufferptr = buffer;
|
|
return length;
|
|
}
|
|
|
|
|
|
/*
|
|
==============
|
|
TryLoadFile
|
|
|
|
Allows failure
|
|
==============
|
|
*/
|
|
int TryLoadFile( const 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 = safe_malloc( length + 1 );
|
|
( (char *)buffer )[length] = 0;
|
|
SafeRead( f, buffer, length );
|
|
fclose( f );
|
|
|
|
*bufferptr = buffer;
|
|
return length;
|
|
}
|
|
|
|
|
|
/*
|
|
==============
|
|
SaveFile
|
|
==============
|
|
*/
|
|
void SaveFile( const char *filename, const void *buffer, int count ){
|
|
FILE *f;
|
|
|
|
f = SafeOpenWrite( filename );
|
|
SafeWrite( f, buffer, count );
|
|
fclose( f );
|
|
}
|
|
|
|
|
|
/*
|
|
====================
|
|
Extract file parts
|
|
====================
|
|
*/
|
|
|
|
/// \brief Returns true if \p path is a fully qualified file-system path.
|
|
bool path_is_absolute( const char* path ){
|
|
#if defined( WIN32 )
|
|
return path[0] == '/'
|
|
|| ( path[0] != '\0' && path[1] == ':' ); // local drive
|
|
#elif defined( POSIX )
|
|
return path[0] == '/';
|
|
#endif
|
|
}
|
|
|
|
/// \brief Returns a pointer to the last slash or to terminating null character if not found.
|
|
char* path_get_last_separator( const char* path ){
|
|
const char *end = path + strlen( path );
|
|
const char *src = end;
|
|
|
|
while ( src != path ){
|
|
if( path_separator( *--src ) )
|
|
return src;
|
|
}
|
|
return end;
|
|
}
|
|
|
|
/// \brief Returns a pointer to the first character of the filename component of \p path.
|
|
char* path_get_filename_start( const char* path ){
|
|
const char *src = path + strlen( path );
|
|
|
|
while ( src != path && !path_separator( src[-1] ) ){
|
|
--src;
|
|
}
|
|
return src;
|
|
}
|
|
|
|
/// \brief Returns a pointer to the character after the end of the filename component of \p path - either the extension separator or the terminating null character.
|
|
char* path_get_filename_base_end( const char* path ){
|
|
const char *end = path + strlen( path );
|
|
const char *src = end;
|
|
|
|
while ( src != path && !path_separator( *--src ) ){
|
|
if( *src == '.' )
|
|
return src;
|
|
}
|
|
return end;
|
|
}
|
|
|
|
|
|
/// \brief Returns a pointer to the first character of the file extension of \p path, or to terminating null character if not found.
|
|
char* path_get_extension( const char* path ){
|
|
const char *end = path + strlen( path );
|
|
const char *src = end;
|
|
|
|
while ( src != path && !path_separator( *--src ) ){
|
|
if( *src == '.' )
|
|
return src + 1;
|
|
}
|
|
return end;
|
|
}
|
|
|
|
/// \brief Appends trailing slash, unless \p path is empty or already has slash.
|
|
void path_add_slash( char *path ){
|
|
char* end = path + strlen( path );
|
|
if ( end != path && !path_separator( end[-1] ) )
|
|
strcat( end, "/" );
|
|
}
|
|
|
|
/// \brief Appends or replaces .EXT part of \p path with \p extension.
|
|
void path_set_extension( char *path, const char *extension ){
|
|
strcpy( path_get_filename_base_end( path ), extension );
|
|
}
|
|
|
|
//
|
|
// if path doesnt have a .EXT, append extension
|
|
// (extension should include the .)
|
|
//
|
|
void DefaultExtension( char *path, const char *extension ){
|
|
char* ext = path_get_filename_base_end( path );
|
|
if( strEmpty( ext ) )
|
|
strcpy( ext, extension );
|
|
}
|
|
|
|
|
|
void DefaultPath( char *path, const char *basepath ){
|
|
if( !path_is_absolute( path ) ){
|
|
char* temp = strdup( path );
|
|
sprintf( path, "%s%s", basepath, temp );
|
|
free( temp );
|
|
}
|
|
}
|
|
|
|
|
|
void StripFilename( char *path ){
|
|
strClear( path_get_filename_start( path ) );
|
|
}
|
|
|
|
void StripExtension( char *path ){
|
|
strClear( path_get_filename_base_end( path ) );
|
|
}
|
|
|
|
|
|
// NOTE: includes the slash, otherwise
|
|
// backing to an empty path will be wrong when appending a slash
|
|
void ExtractFilePath( const char *path, char *dest ){
|
|
strcpyQ( dest, path, path_get_filename_start( path ) - path + 1 ); // +1 for '\0'
|
|
}
|
|
|
|
void ExtractFileBase( const char *path, char *dest ){
|
|
const char* start = path_get_filename_start( path );
|
|
const char* end = path_get_filename_base_end( start );
|
|
strcpyQ( dest, start, end - start + 1 ); // +1 for '\0'
|
|
}
|
|
|
|
void ExtractFileExtension( const char *path, char *dest ){
|
|
strcpy( dest, path_get_extension( path ) );
|
|
}
|
|
|
|
|
|
/*
|
|
==============
|
|
ParseNum / ParseHex
|
|
==============
|
|
*/
|
|
int ParseHex( const char *hex ){
|
|
const 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( const 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;
|
|
}
|
|
|
|
|
|
#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;
|
|
}
|
|
|
|
|
|
#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( const char *path ){
|
|
const char *ofs;
|
|
char dir[1024];
|
|
|
|
#ifdef _WIN32
|
|
int olddrive = -1;
|
|
|
|
if ( path[1] == ':' ) {
|
|
olddrive = _getdrive();
|
|
_chdrive( toupper( path[0] ) - 'A' + 1 );
|
|
}
|
|
#endif
|
|
|
|
if ( path[1] == ':' ) {
|
|
path += 2;
|
|
}
|
|
|
|
for ( ofs = path + 1 ; *ofs ; ofs++ )
|
|
{
|
|
if ( path_separator( *ofs ) ) { // create the directory
|
|
memcpy( dir, path, ofs - path );
|
|
dir[ ofs - path ] = 0;
|
|
Q_mkdir( dir );
|
|
}
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
if ( olddrive != -1 ) {
|
|
_chdrive( olddrive );
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
/*
|
|
============
|
|
QCopyFile
|
|
|
|
Used to archive source files
|
|
============
|
|
*/
|
|
void QCopyFile( const char *from, const char *to ){
|
|
void *buffer;
|
|
int length;
|
|
|
|
length = LoadFile( from, &buffer );
|
|
CreatePath( to );
|
|
SaveFile( to, buffer, length );
|
|
free( buffer );
|
|
}
|
|
|
|
void Sys_Sleep( int n ){
|
|
#ifdef WIN32
|
|
Sleep( n );
|
|
#endif
|
|
#if defined ( __linux__ ) || defined ( __APPLE__ )
|
|
usleep( n * 1000 );
|
|
#endif
|
|
}
|