1 | //===-- Linux implementation of rmdir -------------------------------------===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | #include "src/unistd/rmdir.h" |
10 | |
11 | #include "src/__support/OSUtil/syscall.h" // For internal syscall function. |
12 | #include "src/__support/common.h" |
13 | #include "src/__support/libc_errno.h" |
14 | #include "src/__support/macros/config.h" |
15 | |
16 | #include "hdr/fcntl_macros.h" |
17 | #include <sys/syscall.h> // For syscall numbers. |
18 | |
19 | namespace LIBC_NAMESPACE_DECL { |
20 | |
21 | LLVM_LIBC_FUNCTION(int, rmdir, (const char *path)) { |
22 | #ifdef SYS_rmdir |
23 | int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_rmdir, path); |
24 | #elif defined(SYS_unlinkat) |
25 | int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_unlinkat, AT_FDCWD, path, |
26 | AT_REMOVEDIR); |
27 | #else |
28 | #error "rmdir and unlinkat syscalls not available." |
29 | #endif |
30 | |
31 | if (ret < 0) { |
32 | libc_errno = -ret; |
33 | return -1; |
34 | } |
35 | return 0; |
36 | } |
37 | |
38 | } // namespace LIBC_NAMESPACE_DECL |
39 | |