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

   1 //===-- Linux implementation of fstat -------------------------------------===//
   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/fstat.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/common.h"
  15
  16 #include "hdr/fcntl_macros.h"
  17 #include <sys/stat.h>
  18
  19 namespace LIBC_NAMESPACE_DECL {
  20
  21 LLVM_LIBC_FUNCTION(int, fstat, (int fd, struct stat *statbuf)) {
  22   int err = statx(fd, "", AT_EMPTY_PATH, statbuf);
  23   if (err != 0) {
  24     libc_errno = err;
  25     return -1;
  26   }
  27   return 0;
  28 }
  29
  30 } // namespace LIBC_NAMESPACE_DECL