NT4/private/crt32/dos/unlink.c

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2001-01-01 00:00:00 +01:00
/***
*unlink.c - OS/2 unlink a file
*
* Copyright (c) 1989-1991, Microsoft Corporation. All rights reserved.
*
*Purpose:
* defines unlink() - unlink a file
*
*Revision History:
* 06-06-89 PHG Module created, based on asm version
* 03-07-90 GJF Made calling type _CALLTYPE2 (for now), added #include
* <cruntime.h>, fixed compiler warnings and fixed the
* copyright. Also, cleaned up the formatting a bit.
* 07-24-90 SBM Removed '32' from API names
* 09-27-90 GJF New-style function declarators.
* 12-04-90 SRW Changed to include <oscalls.h> instead of <doscalls.h>
* 12-06-90 SRW Added _CRUISER_ and _WIN32 conditionals.
* 01-16-91 GJF ANSI naming.
* 04-10-91 PNT Added _MAC_ conditional
*
*******************************************************************************/
#include <cruntime.h>
#include <oscalls.h>
#include <internal.h>
#include <io.h>
/***
*int _unlink(path) - unlink(delete) the given file
*
*Purpose:
* This version deletes the given file because there are no
* links under OS/2.
*
* NOTE: remove() is an alternative entry point to the _unlink()
* routine* interface is identical.
*
*Entry:
* char *path - file to unlink/delete
*
*Exit:
* returns 0 if successful
* returns -1 and sets errno if unsuccessful
*
*Exceptions:
*
*******************************************************************************/
int _CALLTYPE1 remove (
const char *path
)
{
ULONG dosretval;
/* ask OS/2 to remove the file */
#ifdef _CRUISER_
dosretval = DOSDELETE((char *)path, 0);
#else /* ndef _CRUISER_ */
#ifdef _WIN32_
if (!DeleteFile((LPSTR)path))
dosretval = GetLastError();
else
dosretval = 0;
#else /* ndef _WIN32_ */
#ifdef _MAC_
TBD();
#else /* ndef _MAC_ */
#error ERROR - ONLY CRUISER, WIN32, OR MAC TARGET SUPPORTED!
#endif /* _MAC_ */
#endif /* _WIN32_ */
#endif /* _CRUISER_ */
if (dosretval) {
/* error occured -- map error code and return */
_dosmaperr(dosretval);
return -1;
}
return 0;
}
int _CALLTYPE1 _unlink (
const char *path
)
{
/* remove is synonym for unlink */
return remove(path);
}