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/* remove( const char * )
This file is part of the Public Domain C Library (PDCLib).
Permission is granted to use, modify, and / or redistribute at will.
*/
/* This is an example implementation of remove() fit for use with POSIX kernels.
*/
#include <stdio.h>
#ifndef REGTEST
#include <string.h>
#include "/usr/include/errno.h"
extern struct _PDCLIB_file_t * _PDCLIB_filelist;
extern int unlink( const char * pathname );
int remove( const char * pathname )
{
int rc;
struct _PDCLIB_file_t * current = _PDCLIB_filelist;
while ( current != NULL )
{
if ( ( current->filename != NULL ) && ( strcmp( current->filename, pathname ) == 0 ) )
{
return EOF;
}
current = current->next;
}
if ( ( rc = unlink( pathname ) ) == -1 )
{
switch ( errno )
{
/* See the comments on implementation-defined errno values in
<_PDCLIB_config.h>.
*/
case EACCES:
case EFAULT:
case EIO:
case EISDIR:
case ELOOP:
case ENAMETOOLONG:
case ENOENT:
case ENOMEM:
case ENOTDIR:
case EPERM:
case EROFS:
_PDCLIB_errno = _PDCLIB_ERROR;
break;
default:
/* This should be something like EUNKNOWN. */
_PDCLIB_errno = _PDCLIB_ERROR;
break;
}
}
return rc;
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
int main( void )
{
/* Testing covered by ftell.c (and several others) */
return TEST_RESULTS;
}
#endif
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