mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-13 10:27:12 +03:00
139 lines
4.1 KiB
C
139 lines
4.1 KiB
C
/****************************************************************************
|
|
*
|
|
* Open Watcom Project
|
|
*
|
|
* Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
|
|
*
|
|
* ========================================================================
|
|
*
|
|
* This file contains Original Code and/or Modifications of Original
|
|
* Code as defined in and that are subject to the Sybase Open Watcom
|
|
* Public License version 1.0 (the 'License'). You may not use this file
|
|
* except in compliance with the License. BY USING THIS FILE YOU AGREE TO
|
|
* ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
|
|
* provided with the Original Code and Modifications, and is also
|
|
* available at www.sybase.com/developer/opensource.
|
|
*
|
|
* The Original Code and all software distributed under the License are
|
|
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
|
|
* EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
|
|
* ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
|
|
* NON-INFRINGEMENT. Please see the License for the specific language
|
|
* governing rights and limitations under the License.
|
|
*
|
|
* ========================================================================
|
|
*
|
|
* Description: Internal helper routines __MkTmpFile() and __RmTmpFile().
|
|
*
|
|
****************************************************************************/
|
|
|
|
|
|
#include "variety.h"
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stddef.h>
|
|
#include <direct.h>
|
|
#include <string.h>
|
|
#include <process.h>
|
|
#include "rtdata.h"
|
|
#include "tmpfname.h"
|
|
|
|
|
|
static unsigned __GetTmpPath( char *buf )
|
|
{
|
|
#ifndef __NETWARE__
|
|
static char *evars[] = { "TMP", "TEMP", "TMPDIR", "TEMPDIR", "" };
|
|
char **evar;
|
|
char *tmp;
|
|
#endif
|
|
unsigned i;
|
|
|
|
buf[0] = '\0'; // initialize path
|
|
#ifdef __NETWARE__
|
|
getcwd( buf, PATH_MAX ); // No environment vars on Netware
|
|
#else
|
|
for( evar = evars; **evar; ++evar ) {
|
|
tmp = getenv( *evar );
|
|
if( (tmp != NULL) && (strlen( tmp ) <= PATH_MAX) ) {
|
|
tmp = _fullpath( buf, tmp, PATH_MAX );
|
|
break;
|
|
}
|
|
}
|
|
/*
|
|
* If we didn't match on any environment vars, get current working dir
|
|
*/
|
|
if( buf[0] == '\0' ) {
|
|
getcwd( buf, PATH_MAX );
|
|
}
|
|
#endif
|
|
|
|
// if last char is not a path delimiter then append one
|
|
i = strlen( buf );
|
|
if( i > 0 ) i--;
|
|
if( (buf[i] != '\\') && (buf[i] != '/') ) {
|
|
// if buf[i] is a null char then the following has no effect as planned
|
|
i++;
|
|
buf[i] = '\\';
|
|
i++;
|
|
buf[i] = '\0';
|
|
}
|
|
return( i );
|
|
}
|
|
|
|
static char __hex( int num )
|
|
{
|
|
num += '0';
|
|
if( num > '9' ) {
|
|
num += 'a' - '0' - 10;
|
|
}
|
|
return( num );
|
|
}
|
|
|
|
#if defined( __NETWARE__ )
|
|
extern int GetThreadID( void );
|
|
#define getuniqueid() GetThreadID()
|
|
#elif defined( __NT__ )
|
|
#define getuniqueid() ((getpid() << 12) + *_threadid)
|
|
#elif defined( __OS2__ )
|
|
#define getuniqueid() ((getpid() << 12) + *_threadid)
|
|
#else
|
|
#define getuniqueid() (getpid())
|
|
#endif
|
|
|
|
void __MkTmpFile( char *buf, int num )
|
|
{
|
|
unsigned pid;
|
|
unsigned i;
|
|
char *ptr;
|
|
|
|
pid = getuniqueid();
|
|
// JBS on Win32 pid's range from 0 to n where n is not very large for
|
|
// most systems (e.g. 500 would indicate many, many processes are active).
|
|
// #if defined(__386__) || defined(__AXP__) || defined(__PPC__)
|
|
// // try to use more of the 32bit pid bits
|
|
// pid |= pid >> 16;
|
|
// #endif
|
|
|
|
i = __GetTmpPath( buf );
|
|
ptr = &buf[ i ];
|
|
ptr[0] = 't';
|
|
for( i = 7; i != 0; i-- ) { // JBS use 7 hex digits instead of 4
|
|
ptr[i] = __hex( pid & 0x000F );
|
|
pid = pid >> 4;
|
|
}
|
|
ptr[8] = '.';
|
|
ptr[9] = 't';
|
|
ptr[10] = __hex( (num >> 4) & 0x000F );
|
|
ptr[11] = __hex( num & 0x000F );
|
|
ptr[12] = '\0';
|
|
}
|
|
|
|
void __RmTmpFile( FILE *fp )
|
|
{
|
|
char name[PATH_MAX + _TMPFNAME_LENGTH + 1]; /* 02-aug-90 */
|
|
|
|
__MkTmpFile( name, _FP_TMPFCHAR(fp) );
|
|
remove( name );
|
|
}
|