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169 lines
3.9 KiB
169 lines
3.9 KiB
/***
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*rmtmp.c - remove temporary files created by tmpfile.
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*
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* Copyright (c) 1985-1995, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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*
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*Revision History:
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* 09-15-83 TC initial version
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* 11-02-87 JCR Multi-thread support
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* 12-11-87 JCR Added "_LOAD_DS" to declaration
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* 05-27-88 PHG Merged normal and DLL versions
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* 06-10-88 JCR Use near pointer to reference _iob[] entries
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* 08-18-89 GJF Clean up, now specific to OS/2 2.0 (i.e., 386 flat
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* model). Also fixed copyright and indents.
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* 02-15-90 GJF Fixed copyright
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* 03-19-90 GJF Made calling type _CALLTYPE1, added #include
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* <cruntime.h> and removed #include <register.h>.
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* 10-03-90 GJF New-style function declarator.
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* 01-21-91 GJF ANSI naming.
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* 07-30-91 GJF Added support for termination scheme used on
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* non-Cruiser targets [_WIN32_].
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* 03-11-92 GJF Replaced _tmpnum(stream) with stream->_tmpfname for
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* Win32.
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* 03-17-92 GJF Got rid of definition of _tmpoff.
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* 03-31-92 GJF Merged with Stevesa's changes.
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* 04-16-92 GJF Merged with Darekm's changes.
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* 04-06-93 SKS Replace _CRTAPI* with __cdecl
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* 10-29-93 GJF Define entry for termination section (used to be in
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* i386\cinittmp.asm). Also, replaced MTHREAD with _MT
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* and deleted old Cruiser support.
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* 04-04-94 GJF #ifdef-ed out definition _tmpoff for msvcrt*.dll, it
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* is unnecessary. Made definitions of _tempoff and
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* _old_pfxlen conditional on ndef DLL_FOR_WIN32S.
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* 02-20-95 GJF Merged in Mac version.
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* 03-07-95 GJF Converted to walk the __piob[] table (rather than
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* the _iob[] table).
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* 03-16-95 GJF Must be sure __piob[i]!=NULL before trying to lock it!
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* 03-28-95 SKS Fix declaration of _prmtmp (__cdecl goes BEFORE the *)
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*
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*******************************************************************************/
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#include <cruntime.h>
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#include <stdio.h>
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#include <file2.h>
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#include <internal.h>
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#include <mtdll.h>
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#ifdef _MSC_VER
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#pragma data_seg(".CRT$XPX")
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#ifdef _WIN32
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static _PVFV pterm = _rmtmp;
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#else
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#if defined(_M_MPPC) || defined(_M_M68K)
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const _PVFV __prmtmp = _rmtmp;
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#endif
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#endif
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#pragma data_seg()
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#endif /* _MSC_VER */
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#ifdef _WIN32
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/*
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* Definitions for _tmpoff, _tempoff and _old_pfxlen. These will cause this
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* module to be linked in whenever the termination code needs it.
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*/
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#ifndef CRTDLL
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unsigned _tmpoff = 1;
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#endif /* CRTDLL */
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#ifndef DLL_FOR_WIN32S
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unsigned _tempoff = 1;
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unsigned _old_pfxlen = 0;
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#endif /* DLL_FOR_WIN32S */
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#else /* ndef _WIN32 */
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#if defined(_M_MPPC) || defined(_M_M68K)
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/*
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* Definitions for _tmpoff, _tempoff and _old_pfxlen. These will cause this
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* module to be linked in whenever the termination code needs it.
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*/
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unsigned int _tmpoff = 1;
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unsigned int _tempoff = 1;
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unsigned int _old_pfxlen = 0;
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/*
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* Define _prmtmp, the function pointer used in the termination code.
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*/
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void (__cdecl * _prmtmp)(void) = _rmtmp;
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#endif /* defined(_M_MPPC) || defined(_M_M68K) */
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#endif /* _WIN32 */
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/***
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*int _rmtmp() - closes and removes temp files created by tmpfile
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*
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*Purpose:
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* closes and deletes all open files that were created by tmpfile.
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*
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*Entry:
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* None.
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*
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*Exit:
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* returns number of streams closed
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*
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*Exceptions:
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*
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*******************************************************************************/
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int __cdecl _rmtmp (
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void
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)
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{
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REG2 int count = 0;
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#ifdef _WIN32
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REG1 int i;
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_mlock(_IOB_SCAN_LOCK);
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for ( i = 0 ; i < _nstream ; i++)
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if ( __piob[i] != NULL ) {
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_lock_str2(i, __piob[i]);
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if ( inuse( (FILE *)__piob[i] ) &&
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(((FILE *)__piob[i])->_tmpfname != NULL) )
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{
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_fclose_lk( __piob[i] );
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count++;
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}
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_unlock_str2(i, __piob[i]);
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}
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_munlock(_IOB_SCAN_LOCK);
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#else /* ndef _WIN32 */
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#if defined(_M_MPPC) || defined(_M_M68K)
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REG1 FILE *stream = _iob;
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for (; stream <= _lastiob; stream++) {
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if (inuse(stream) && (stream->_tmpfname != NULL) ) {
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fclose(stream);
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count++;
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}
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}
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#endif /* defined(_M_MPPC) || defined(_M_M68K) */
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#endif /* _WIN32 */
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return(count);
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}
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