xref: /llvm-project/libc/src/sys/stat/linux/mkdirat.cpp (revision 5ff3ff33ff930e4ec49da7910612d8a41eb068cb)
1b8385162SSiva Chandra Reddy //===-- Linux implementation of mkdirat -----------------------------------===//
2b8385162SSiva Chandra Reddy //
3b8385162SSiva Chandra Reddy // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4b8385162SSiva Chandra Reddy // See https://llvm.org/LICENSE.txt for license information.
5b8385162SSiva Chandra Reddy // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6b8385162SSiva Chandra Reddy //
7b8385162SSiva Chandra Reddy //===----------------------------------------------------------------------===//
8b8385162SSiva Chandra Reddy 
9b8385162SSiva Chandra Reddy #include "src/sys/stat/mkdirat.h"
10b8385162SSiva Chandra Reddy 
11b8385162SSiva Chandra Reddy #include "src/__support/OSUtil/syscall.h" // For internal syscall function.
12b8385162SSiva Chandra Reddy #include "src/__support/common.h"
13b8385162SSiva Chandra Reddy 
14*5ff3ff33SPetr Hosek #include "src/__support/macros/config.h"
15204587a3SSiva Chandra Reddy #include "src/errno/libc_errno.h"
16b8385162SSiva Chandra Reddy #include <sys/stat.h>
17b8385162SSiva Chandra Reddy #include <sys/syscall.h> // For syscall numbers.
18b8385162SSiva Chandra Reddy 
19*5ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL {
20b8385162SSiva Chandra Reddy 
21b8385162SSiva Chandra Reddy LLVM_LIBC_FUNCTION(int, mkdirat, (int dfd, const char *path, mode_t mode)) {
22545331abSSiva Chandra Reddy #ifdef SYS_mkdirat
23b6bc9d72SGuillaume Chatelet   int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_mkdirat, dfd, path, mode);
24b8385162SSiva Chandra Reddy #else
255b22df99SMikhail R. Gadelha #error "mkdirat syscall not available."
26b8385162SSiva Chandra Reddy #endif
27b8385162SSiva Chandra Reddy 
28b8385162SSiva Chandra Reddy   if (ret < 0) {
29204587a3SSiva Chandra Reddy     libc_errno = -ret;
30b8385162SSiva Chandra Reddy     return -1;
31b8385162SSiva Chandra Reddy   }
32b8385162SSiva Chandra Reddy   return 0;
33b8385162SSiva Chandra Reddy }
34b8385162SSiva Chandra Reddy 
35*5ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL
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