libc/src/sys/stat/linux/lstat.cpp

   1 //===-- Linux implementation of lstat -------------------------------------===//
   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/lstat.h"
  10 #include "kernel_statx.h"
  11 #include "src/__support/macros/config.h"
  12 #include "src/errno/libc_errno.h"
  13
  14 #include "src/__support/OSUtil/syscall.h" // For internal syscall function.
  15 #include "src/__support/common.h"
  16
  17 #include "hdr/fcntl_macros.h"
  18 #include <sys/stat.h>
  19
  20 namespace LIBC_NAMESPACE_DECL {
  21
  22 LLVM_LIBC_FUNCTION(int, lstat,
  23                    (const char *__restrict path,
  24                     struct stat *__restrict statbuf)) {
  25   int err = statx(AT_FDCWD, path, AT_SYMLINK_NOFOLLOW, statbuf);
  26   if (err != 0) {
  27     libc_errno = err;
  28     return -1;
  29   }
  30   return 0;
  31 }
  32
  33 } // namespace LIBC_NAMESPACE_DECL