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vmap/tools/common/cmdlib.c

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/*
Copyright (C) 1999-2007 id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.
This file is part of GtkRadiant.
GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
// cmdlib.c
// TTimo 09/30/2000
// from an intial copy of common/cmdlib.c
// stripped out the Sys_Printf Sys_Printf stuff
// SPoG 05/27/2001
// merging alpha branch into trunk
// replaced qprintf with Sys_Printf
#include "cmdlib.h"
#include "globaldefs.h"
#include "mathlib.h"
#include "inout.h"
#include <sys/types.h>
#include <sys/stat.h>
#if GDEF_OS_WINDOWS
#include <direct.h>
#include <windows.h>
#endif
#if GDEF_OS_LINUX || GDEF_OS_MACOS
#include <unistd.h>
#endif
#ifdef NeXT
#include <libc.h>
#endif
#define BASEDIRNAME "quake" // assumed to have a 2 or 3 following
#define PATHSEPERATOR '/'
void *safe_malloc( size_t size ){
void *p;
p = malloc( size );
if ( !p ) {
Error( "safe_malloc failed on allocation of %i bytes", size );
}
return p;
}
void *safe_malloc_info( size_t size, const char* info ){
void *p;
p = malloc( size );
if ( !p ) {
Error( "%s: safe_malloc failed on allocation of %i bytes", info, size );
}
return p;
}
// set these before calling CheckParm
int myargc;
char **myargv;
char com_token[1024];
qboolean com_eof;
qboolean archive;
char archivedir[1024];
/*
===================
ExpandWildcards
Mimic unix command line expansion
===================
*/
#define MAX_EX_ARGC 1024
int ex_argc;
char *ex_argv[MAX_EX_ARGC];
#if GDEF_OS_WINDOWS
#include "io.h"
void ExpandWildcards( int *argc, char ***argv ){
struct _finddata_t fileinfo;
int handle;
int i;
char filename[1024];
char filebase[1024];
char *path;
ex_argc = 0;
for ( i = 0; i < *argc; i++ )
{
path = ( *argv )[i];
if ( path[0] == '-'
|| ( !strstr( path, "*" ) && !strstr( path, "?" ) ) ) {
ex_argv[ex_argc++] = path;
continue;
}
handle = _findfirst( path, &fileinfo );
if ( handle == -1 ) {
return;
}
ExtractFilePath( path, filebase );
do
{
sprintf( filename, "%s%s", filebase, fileinfo.name );
ex_argv[ex_argc++] = copystring( filename );
} while ( _findnext( handle, &fileinfo ) != -1 );
_findclose( handle );
}
*argc = ex_argc;
*argv = ex_argv;
}
#else
void ExpandWildcards( int *argc, char ***argv ){
}
#endif
/*
qdir will hold the path up to the quake directory, including the slash
f:\quake\
/raid/quake/
gamedir will hold qdir + the game directory (id1, id2, etc)
*/
char qdir[1024];
char gamedir[1024];
char writedir[1024];
void SetQdirFromPath( const char *path ){
char temp[1024];
const char *c;
const char *sep;
int len, count;
if ( !( path[0] == '/' || path[0] == '\\' || path[1] == ':' ) ) { // path is partial
Q_getwd( temp );
strcat( temp, path );
path = temp;
}
// search for "quake2" in path
len = strlen( BASEDIRNAME );
for ( c = path + strlen( path ) - 1; c != path; c-- )
{
int i;
if ( !Q_strncasecmp( c, BASEDIRNAME, len ) ) {
//
//strncpy (qdir, path, c+len+2-path);
// the +2 assumes a 2 or 3 following quake which is not the
// case with a retail install
// so we need to add up how much to the next separator
sep = c + len;
count = 1;
while ( *sep && *sep != '/' && *sep != '\\' )
{
sep++;
count++;
}
strncpy( qdir, path, c + len + count - path );
Sys_Printf( "qdir: %s\n", qdir );
for ( i = 0; i < (int) strlen( qdir ); i++ )
{
if ( qdir[i] == '\\' ) {
qdir[i] = '/';
}
}
c += len + count;
while ( *c )
{
if ( *c == '/' || *c == '\\' ) {
strncpy( gamedir, path, c + 1 - path );
for ( i = 0; i < (int) strlen( gamedir ); i++ )
{
if ( gamedir[i] == '\\' ) {
gamedir[i] = '/';
}
}
Sys_Printf( "gamedir: %s\n", gamedir );
if ( !writedir[0] ) {
strcpy( writedir, gamedir );
}
else if ( writedir[strlen( writedir ) - 1] != '/' ) {
writedir[strlen( writedir )] = '/';
writedir[strlen( writedir ) + 1] = 0;
}
return;
}
c++;
}
Error( "No gamedir in %s", path );
return;
}
}
Error( "SetQdirFromPath: no '%s' in %s", BASEDIRNAME, path );
}
char *ExpandArg( const char *path ){
static char full[1024];
if ( path[0] != '/' && path[0] != '\\' && path[1] != ':' ) {
Q_getwd( full );
strcat( full, path );
}
else{
strcpy( full, path );
}
return full;
}
char *ExpandPath( const char *path ){
static char full[1024];
if ( path[0] == '/' || path[0] == '\\' || path[1] == ':' ) {
strcpy( full, path );
return full;
}
sprintf( full, "%s%s", qdir, path );
return full;
}
char *copystring( const char *s ){
char *b;
b = (char *)safe_malloc( strlen( s ) + 1 );
strcpy( b, s );
return b;
}
/*
================
I_FloatTime
================
*/
double I_FloatTime( void ){
time_t t;
time( &t );
return t;
#if 0
// more precise, less portable
struct timeval tp;
struct timezone tzp;
static int secbase;
gettimeofday( &tp, &tzp );
if ( !secbase ) {
secbase = tp.tv_sec;
return tp.tv_usec / 1000000.0;
}
return ( tp.tv_sec - secbase ) + tp.tv_usec / 1000000.0;
#endif
}
void Q_getwd( char *out ){
int i = 0;
#if GDEF_OS_WINDOWS
_getcwd( out, 256 );
strcat( out, "\\" );
#else
// Gef: Changed from getwd() to getcwd() to avoid potential buffer overflow
if ( !getcwd( out, 256 ) ) {
*out = 0;
}
strcat( out, "/" );
#endif
while ( out[i] != 0 )
{
if ( out[i] == '\\' ) {
out[i] = '/';
}
i++;
}
}
void Q_mkdir( const char *path ){
char parentbuf[256];
const char *p = NULL;
int retry = 2;
while ( retry-- )
{
#if GDEF_OS_WINDOWS
const char *q = NULL;
if ( _mkdir( path ) != -1 ) {
return;
}
if ( errno == ENOENT ) {
p = strrchr( path, '/' );
q = strrchr( path, '\\' );
if ( q && ( !p || q < p ) ) {
p = q;
}
}
#else
if ( mkdir( path, 0777 ) != -1 ) {
return;
}
if ( errno == ENOENT ) {
p = strrchr( path, '/' );
}
#endif
if ( p ) {
strncpy( parentbuf, path, sizeof( parentbuf ) );
if ( (int) ( p - path ) < (int) sizeof( parentbuf ) ) {
parentbuf[p - path] = 0;
Sys_Printf( "mkdir: %s: creating parent %s first\n", path, parentbuf );
Q_mkdir( parentbuf );
continue;
}
}
break;
}
if ( errno != EEXIST ) {
Error( "mkdir %s: %s",path, strerror( errno ) );
}
}
/*
============
FileTime
returns -1 if not present
============
*/
int FileTime( const char *path ){
struct stat buf;
if ( stat( path,&buf ) == -1 ) {
return -1;
}
return buf.st_mtime;
}
/*
==============
COM_Parse
Parse a token out of a string
==============
*/
char *COM_Parse( char *data ){
int c;
int len;
len = 0;
com_token[0] = 0;
if ( !data ) {
return NULL;
}
// skip whitespace
skipwhite:
while ( ( c = *data ) <= ' ' )
{
if ( c == 0 ) {
com_eof = qtrue;
return NULL; // end of file;
}
data++;
}
// skip // comments
if ( c == '/' && data[1] == '/' ) {
while ( *data && *data != '\n' )
data++;
goto skipwhite;
}
// handle quoted strings specially
if ( c == '\"' ) {
data++;
do
{
c = *data++;
if ( c == '\"' ) {
com_token[len] = 0;
return data;
}
com_token[len] = c;
len++;
} while ( 1 );
}
// parse single characters
if ( c == '{' || c == '}' || c == ')' || c == '(' || c == '\'' || c == ':' ) {
com_token[len] = c;
len++;
com_token[len] = 0;
return data + 1;
}
// parse a regular word
do
{
com_token[len] = c;
data++;
len++;
c = *data;
if ( c == '{' || c == '}' || c == ')' || c == '(' || c == '\'' || c == ':' ) {
break;
}
} while ( c > 32 );
com_token[len] = 0;
return data;
}
int Q_strncasecmp( const char *s1, const char *s2, int n ){
int c1, c2;
do
{
c1 = *s1++;
c2 = *s2++;
if ( !n-- ) {
return 0; // strings are equal until end point
}
if ( c1 != c2 ) {
if ( c1 >= 'a' && c1 <= 'z' ) {
c1 -= ( 'a' - 'A' );
}
if ( c2 >= 'a' && c2 <= 'z' ) {
c2 -= ( 'a' - 'A' );
}
if ( c1 != c2 ) {
return -1; // strings not equal
}
}
} while ( c1 );
return 0; // strings are equal
}
int Q_stricmp( const char *s1, const char *s2 ){
return Q_strncasecmp( s1, s2, 99999 );
}
// NOTE TTimo when switching to Multithread DLL (Release/Debug) in the config
// started getting warnings about that function, prolly a duplicate with the runtime function
// maybe we still need to have it in linux builds
/*
char *strupr (char *start)
{
char *in;
in = start;
while (*in)
{
* in = toupper(*in);
in++;
}
return start;
}
*/
char *strlower( char *start ){
char *in;
in = start;
while ( *in )
{
*in = tolower( *in );
in++;
}
return start;
}
/*
=============================================================================
MISC FUNCTIONS
=============================================================================
*/
/*
=================
CheckParm
Checks for the given parameter in the program's command line arguments
Returns the argument number (1 to argc-1) or 0 if not present
=================
*/
int CheckParm( const char *check ){
int i;
for ( i = 1; i < myargc; i++ )
{
if ( !Q_stricmp( check, myargv[i] ) ) {
return i;
}
}
return 0;
}
/*
================
Q_filelength
================
*/
int Q_filelength( FILE *f ){
int pos;
int end;
pos = ftell( f );
fseek( f, 0, SEEK_END );
end = ftell( f );
fseek( f, pos, SEEK_SET );
return end;
}
FILE *SafeOpenWrite( const char *filename ){
FILE *f;
f = fopen( filename, "wb" );
if ( !f ) {
Error( "Error opening %s: %s",filename,strerror( errno ) );
}
return f;
}
FILE *SafeOpenRead( const char *filename ){
FILE *f;
f = fopen( filename, "rb" );
if ( !f ) {
Error( "Error opening %s: %s",filename,strerror( errno ) );
}
return f;
}
void SafeRead( FILE *f, void *buffer, int count ){
if ( fread( buffer, 1, count, f ) != (size_t)count ) {
Error( "File read failure" );
}
}
void SafeWrite( FILE *f, const void *buffer, int count ){
if ( fwrite( buffer, 1, count, f ) != (size_t)count ) {
Error( "File write failure" );
}
}
/*
==============
FileExists
==============
*/
qboolean FileExists( const char *filename ){
FILE *f;
f = fopen( filename, "r" );
if ( !f ) {
return qfalse;
}
fclose( f );
return qtrue;
}
/*
==============
LoadFile
==============
*/
int LoadFile( const char *filename, void **bufferptr ){
FILE *f;
int length;
void *buffer;
f = SafeOpenRead( filename );
length = Q_filelength( f );
buffer = safe_malloc( length + 1 );
( (char *)buffer )[length] = 0;
SafeRead( f, buffer, length );
fclose( f );
*bufferptr = buffer;
return length;
}
/*
==============
LoadFileBlock
-
rounds up memory allocation to 4K boundry
-
==============
*/
int LoadFileBlock( const char *filename, void **bufferptr ){
FILE *f;
int length, nBlock, nAllocSize;
void *buffer;
f = SafeOpenRead( filename );
length = Q_filelength( f );
nAllocSize = length;
nBlock = nAllocSize % MEM_BLOCKSIZE;
if ( nBlock > 0 ) {
nAllocSize += MEM_BLOCKSIZE - nBlock;
}
buffer = safe_malloc( nAllocSize + 1 );
memset( buffer, 0, nAllocSize + 1 );
SafeRead( f, buffer, length );
fclose( f );
*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 );
}
void DefaultExtension( char *path, const char *extension ){
char *src;
//
// if path doesnt have a .EXT, append extension
// (extension should include the .)
//
src = path + strlen( path ) - 1;
while ( *src != '/' && *src != '\\' && src != path )
{
if ( *src == '.' ) {
return; // it has an extension
}
src--;
}
strcat( path, extension );
}
void DefaultPath( char *path, const char *basepath ){
char temp[128];
if ( path[ 0 ] == '/' || path[ 0 ] == '\\' ) {
return; // absolute path location
}
strcpy( temp,path );
strcpy( path,basepath );
strcat( path,temp );
}
void StripFilename( char *path ){
int length;
length = strlen( path ) - 1;
while ( length > 0 && path[length] != '/' && path[ length ] != '\\' )
length--;
path[length] = 0;
}
void StripExtension( char *path ){
int length;
length = strlen( path ) - 1;
while ( length > 0 && path[length] != '.' )
{
length--;
if ( path[length] == '/' || path[ length ] == '\\' ) {
return; // no extension
}
}
if ( length ) {
path[length] = 0;
}
}
/*
====================
Extract file parts
====================
*/
// FIXME: should include the slash, otherwise
// backing to an empty path will be wrong when appending a slash
void ExtractFilePath( const char *path, char *dest ){
const char *src;
src = path + strlen( path ) - 1;
//
// back up until a \ or the start
//
while ( src != path && *( src - 1 ) != '\\' && *( src - 1 ) != '/' )
src--;
memcpy( dest, path, src - path );
dest[src - path] = 0;
}
void ExtractFileBase( const char *path, char *dest ){
const char *src;
src = path + strlen( path ) - 1;
//
// back up until a \ or the start
//
while ( src != path && *( src - 1 ) != '/' && *( src - 1 ) != '\\' )
src--;
while ( *src && *src != '.' )
{
*dest++ = *src++;
}
*dest = 0;
}
void ExtractFileExtension( const char *path, char *dest ){
const char *src;
src = path + strlen( path ) - 1;
//
// back up until a . or the start
//
while ( src != path && *( src - 1 ) != '.' )
src--;
if ( src == path ) {
*dest = 0; // no extension
return;
}
strcpy( dest,src );
}
/*
==============
ParseNum / ParseHex
==============
*/
int ParseHex( 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
============================================================================
*/
#if GDEF_ARCH_ENDIAN_BIG
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 c;
char dir[1024];
#if GDEF_OS_WINDOWS
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++ )
{
c = *ofs;
if ( c == '/' || c == '\\' ) { // create the directory
memcpy( dir, path, ofs - path );
dir[ ofs - path ] = 0;
Q_mkdir( dir );
}
}
#if GDEF_OS_WINDOWS
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 ){
#if GDEF_OS_WINDOWS
Sleep( n );
#endif
#if GDEF_OS_LINUX || GDEF_OS_MACOS
usleep( n * 1000 );
#endif
}
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