1/* ANSI C `remove' function to delete a file or directory. POSIX.1 version.
2 Copyright (C) 1995-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <stdio.h>
21#include <unistd.h>
22
23
24#ifndef IS_NO_DIRECTORY_ERROR
25# define IS_NO_DIRECTORY_ERROR errno != EPERM
26#endif
27
28
29int
30remove (const char *file)
31{
32 /* First try to unlink since this is more frequently the necessary action. */
33 if (__unlink (file) != 0
34 /* If it is indeed a directory... */
35 && (IS_NO_DIRECTORY_ERROR
36 /* ...try to remove it. */
37 || __rmdir (file) != 0))
38 /* Cannot remove the object for whatever reason. */
39 return -1;
40
41 return 0;
42}
43libc_hidden_def (remove)
44

source code of glibc/sysdeps/posix/remove.c