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/*
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
/*
FUNCTION
<<remove>>---delete a file's name
INDEX
remove
ANSI_SYNOPSIS
#include <stdio.h>
int remove(char *<[filename]>);
int _remove_r(struct _reent *<[reent]>, char *<[filename]>);
TRAD_SYNOPSIS
#include <stdio.h>
int remove(<[filename]>)
char *<[filename]>;
int _remove_r(<[reent]>, <[filename]>)
struct _reent *<[reent]>;
char *<[filename]>;
DESCRIPTION
Use <<remove>> to dissolve the association between a particular
filename (the string at <[filename]>) and the file it represents.
After calling <<remove>> with a particular filename, you will no
longer be able to open the file by that name.
In this implementation, you may use <<remove>> on an open file without
error; existing file descriptors for the file will continue to access
the file's data until the program using them closes the file.
The alternate function <<_remove_r>> is a reentrant version. The
extra argument <[reent]> is a pointer to a reentrancy structure.
RETURNS
<<remove>> returns <<0>> if it succeeds, <<-1>> if it fails.
PORTABILITY
ANSI C requires <<remove>>, but only specifies that the result on
failure be nonzero. The behavior of <<remove>> when you call it on an
open file may vary among implementations.
Supporting OS subroutine required: <<unlink>>.
*/
#include <_ansi.h>
#include <reent.h>
#include <stdio.h>
int
_DEFUN(_remove_r, (ptr, filename),
struct _reent *ptr _AND
_CONST char *filename)
{
if (_unlink_r (ptr, filename) == -1)
return -1;
return 0;
}
#ifndef _REENT_ONLY
int
_DEFUN(remove, (filename),
_CONST char *filename)
{
return _remove_r (_REENT, filename);
}
#endif
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