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/__support/macros/config.h"
  14 #include "src/errno/libc_errno.h"
  15
  16 #include <dirent.h>
  17
  18 namespace LIBC_NAMESPACE_DECL {
  19
  20 LLVM_LIBC_FUNCTION(::DIR *, opendir, (const char *name)) {
  21   auto dir = Dir::open(name);
  22   if (!dir) {
  23     libc_errno = dir.error();
  24     return nullptr;
  25   }
  26   return reinterpret_cast<DIR *>(dir.value());
  27 }
  28
  29 } // namespace LIBC_NAMESPACE_DECL