[libc-commits] [libc] [libc] Implement fstatat in sys/stat (PR #224334)

[Pavel Labath via libc-commits]

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@@ -0,0 +1,31 @@
+//===-- Linux implementation of fstatat -----------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/sys/stat/fstatat.h"
+#include "hdr/fcntl_macros.h"
+#include "hdr/types/struct_stat.h"
+#include "src/__support/OSUtil/linux/stat/stat_via_statx.h"
+#include "src/__support/common.h"
+#include "src/__support/error_or.h"
+#include "src/__support/libc_errno.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(int, fstatat,
+                   (int dirfd, const char *__restrict path,
+                    struct stat *__restrict statbuf, int flags)) {
+  ErrorOr<void> result = internal::stat_via_statx(dirfd, path, flags, statbuf);
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labath wrote:

This file as well as internal::stat_via_statx are in a linux/ subdirectory, so I think everything is right here. (stat_via_statx is a wrapper around linux_syscalls::statx)

https://github.com/llvm/llvm-project/pull/224334