remove.c

来自「Axis 221 camera embedded programing inte」· C语言 代码 · 共 30 行

/* Copyright (C) 2004       Manuel Novoa III    <[e-mail]>
 *
 * GNU Library General Public License (LGPL) version 2 or later.
 *
 * Dedicated to Toni.  See uClibc/DEDICATION.mjn3 for details.
 */

#include "_stdio.h"

#include <unistd.h>
#include <errno.h>

/* SUSv3 states:
 *   If path does not name a directory, remove(path) shall be equivalent
 *   to unlink(path).  If path names a directory, remove(path) shall be
 *   equivalent to rmdir(path). 
 */

int remove(register const char *filename)
{
	int saved_errno = errno;
	int rv;

	if (((rv = rmdir(filename)) < 0) && (errno == ENOTDIR)) {
		__set_errno(saved_errno); /* Need to restore errno. */
		rv = unlink(filename);
	}
	return rv;
}