libc/src/dirent/opendir.cpp

   1 //===-- Implementation of opendir -----------------------------------------===//
   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 "opendir.h"
  10
  11 #include "src/__support/File/dir.h"
  12 #include "src/__support/common.h"
  13 #include "src/errno/libc_errno.h"
  14
  15 #include <dirent.h>
  16
  17 namespace __llvm_libc {
  18
  19 LLVM_LIBC_FUNCTION(::DIR *, opendir, (const char *name)) {
  20   auto dir = Dir::open(name);
  21   if (!dir) {
  22     libc_errno = dir.error();
  23     return nullptr;
  24   }
  25   return reinterpret_cast<DIR *>(dir.value());
  26 }
  27
  28 } // namespace __llvm_libc