86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
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/***
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*unlink.c - unlink a file
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*
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* Copyright (c) 1989-2001, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* defines unlink() - unlink a file
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*
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*Revision History:
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* 06-06-89 PHG Module created, based on asm version
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* 03-07-90 GJF Made calling type _CALLTYPE2 (for now), added #include
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* <cruntime.h>, fixed compiler warnings and fixed the
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* copyright. Also, cleaned up the formatting a bit.
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* 07-24-90 SBM Removed '32' from API names
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* 09-27-90 GJF New-style function declarators.
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* 12-04-90 SRW Changed to include <oscalls.h> instead of <doscalls.h>
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* 12-06-90 SRW Added _CRUISER_ and _WIN32 conditionals.
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* 01-16-91 GJF ANSI naming.
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* 04-10-91 PNT Added _MAC_ conditional
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* 03-16-92 PLM MAC verison ccreated from OS/2 version
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* 04-10-91 PNT Added _MAC_ conditional (Mac version only)
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* 11-02-92 PLM Added directory test and extracted code for remove() (Mac version only)
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* 04-06-93 SKS Replace _CRTAPI* with __cdecl
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* 11-01-93 CFW Enable Unicode variant, rip out Cruiser.
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* 02-08-95 JWM Spliced _WIN32 & Mac versions.
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* 07-01-96 GJF Replaced defined(_WIN32) with !defined(_MAC). Also,
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* detab-ed and cleaned up the format a bit.
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* 05-17-99 PML Remove all Macintosh support.
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*
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*******************************************************************************/
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#include <cruntime.h>
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#include <oscalls.h>
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#include <internal.h>
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#include <io.h>
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#include <tchar.h>
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/***
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*int _unlink(path) - unlink(delete) the given file
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*
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*Purpose:
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* This version deletes the given file because there is no
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* distinction between a linked file and non-linked file.
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*
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* NOTE: remove() is an alternative entry point to the _unlink()
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* routine* interface is identical.
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*
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*Entry:
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* _TSCHAR *path - file to unlink/delete
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*
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*Exit:
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* returns 0 if successful
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* returns -1 and sets errno if unsuccessful
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*
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*Exceptions:
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*
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*******************************************************************************/
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int __cdecl _tremove (
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const _TSCHAR *path
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)
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{
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ULONG dosretval;
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if (!DeleteFile((LPTSTR)path))
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dosretval = GetLastError();
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else
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dosretval = 0;
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if (dosretval) {
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/* error occured -- map error code and return */
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_dosmaperr(dosretval);
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return -1;
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}
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return 0;
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}
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int __cdecl _tunlink (
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const _TSCHAR *path
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)
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{
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/* remove is synonym for unlink */
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return _tremove(path);
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}
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