1 | //===-- Linux implementation of mkdir -------------------------------------===// |
---|---|
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/sys/stat/mkdir.h" |
10 | |
11 | #include "src/__support/OSUtil/syscall.h" // For internal syscall function. |
12 | #include "src/__support/common.h" |
13 | |
14 | #include "hdr/fcntl_macros.h" |
15 | #include "hdr/types/mode_t.h" |
16 | #include "src/__support/libc_errno.h" |
17 | #include "src/__support/macros/config.h" |
18 | #include <sys/stat.h> |
19 | #include <sys/syscall.h> // For syscall numbers. |
20 | |
21 | namespace LIBC_NAMESPACE_DECL { |
22 | |
23 | LLVM_LIBC_FUNCTION(int, mkdir, (const char *path, mode_t mode)) { |
24 | #ifdef SYS_mkdir |
25 | int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_mkdir, path, mode); |
26 | #elif defined(SYS_mkdirat) |
27 | int ret = |
28 | LIBC_NAMESPACE::syscall_impl<int>(SYS_mkdirat, AT_FDCWD, path, mode); |
29 | #else |
30 | #error "mkdir and mkdirat syscalls not available." |
31 | #endif |
32 | |
33 | if (ret < 0) { |
34 | libc_errno = -ret; |
35 | return -1; |
36 | } |
37 | return 0; |
38 | } |
39 | |
40 | } // namespace LIBC_NAMESPACE_DECL |
41 |