2020-09-30 17:12:29 +02:00

117 lines
2.7 KiB
C

/***
*rmtmp.c - remove temporary files created by tmpfile.
*
* Copyright (c) 1985-1992, Microsoft Corporation. All rights reserved.
*
*Purpose:
*
*Revision History:
* 09-15-83 TC initial version
* 11-02-87 JCR Multi-thread support
* 12-11-87 JCR Added "_LOAD_DS" to declaration
* 05-27-88 PHG Merged normal and DLL versions
* 06-10-88 JCR Use near pointer to reference _iob[] entries
* 08-18-89 GJF Clean up, now specific to OS/2 2.0 (i.e., 386 flat
* model). Also fixed copyright and indents.
* 02-15-90 GJF Fixed copyright
* 03-19-90 GJF Made calling type _CALLTYPE1, added #include
* <cruntime.h> and removed #include <register.h>.
* 10-03-90 GJF New-style function declarator.
* 01-21-91 GJF ANSI naming.
* 07-30-91 GJF Added support for termination scheme used on
* non-Cruiser targets [_WIN32_].
* 03-11-92 GJF Replaced _tmpnum(stream) with stream->_tmpfname for
* Win32.
* 03-17-92 GJF Got rid of definition of _tmpoff.
* 03-31-92 GJF Merged with Stevesa's changes.
* 04-16-92 GJF Merged with Darekm's changes.
*
*******************************************************************************/
#include <cruntime.h>
#include <stdio.h>
#include <file2.h>
#include <internal.h>
#include <os2dll.h>
#if defined(_MSC_VER) && defined(_WIN32)
#pragma data_seg(".CRT$XPX")
static void (__cdecl *pterm)(void) = _rmtmp;
#pragma data_seg()
#endif /* _MSC_VER */
#ifdef _WIN32
/*
* Definitions for _tmpoff, _tempoff and _old_pfxlen. These will cause this
* module to be linked in whenever the termination code needs it.
*/
unsigned _tmpoff = 1;
unsigned _tempoff = 1;
unsigned _old_pfxlen = 0;
#else /* ndef _WIN32 */
/*
* Definitions for _tmpoff, _tempoff and _old_pfxlen. These will cause this
* module to be linked in whenever the termination code needs it.
*/
extern unsigned _tmpoff; /* = 1 */
extern unsigned _tempoff; /* = 1 */
extern unsigned _old_pfxlen; /* = 0 */
#endif
/***
*int _rmtmp() - closes and removes temp files created by tmpfile
*
*Purpose:
* closes and deletes all open files that were created by tmpfile.
*
*Entry:
* None.
*
*Exit:
* returns number of streams closed
*
*Exceptions:
*
*******************************************************************************/
int _CALLTYPE1 _rmtmp (
void
)
{
REG1 FILE *stream = _iob;
REG2 int count = 0;
#ifdef MTHREAD
int index;
#endif
_mlock(_IOB_SCAN_LOCK);
for (; stream <= _lastiob; stream++) {
#ifdef MTHREAD
index = _iob_index(stream);
#endif
_lock_str(index);
#ifdef _CRUISER_
if (inuse(stream) && _tmpnum(stream) ) {
#else /* ndef _CRUISER_ */
if (inuse(stream) && (stream->_tmpfname != NULL) ) {
#endif /* _CRUISER_ */
_fclose_lk(stream);
count++;
}
_unlock_str(index);
}
_munlock(_IOB_SCAN_LOCK);
return(count);
}