xref: /llvm-project/libc/src/dirent/readdir.cpp (revision 5ff3ff33ff930e4ec49da7910612d8a41eb068cb)
135ea84adSSiva Chandra Reddy //===-- Implementation of readdir -----------------------------------------===//
235ea84adSSiva Chandra Reddy //
335ea84adSSiva Chandra Reddy // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
435ea84adSSiva Chandra Reddy // See https://llvm.org/LICENSE.txt for license information.
535ea84adSSiva Chandra Reddy // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
635ea84adSSiva Chandra Reddy //
735ea84adSSiva Chandra Reddy //===----------------------------------------------------------------------===//
835ea84adSSiva Chandra Reddy 
935ea84adSSiva Chandra Reddy #include "readdir.h"
1035ea84adSSiva Chandra Reddy 
1135ea84adSSiva Chandra Reddy #include "src/__support/File/dir.h"
1235ea84adSSiva Chandra Reddy #include "src/__support/common.h"
13*5ff3ff33SPetr Hosek #include "src/__support/macros/config.h"
14d49b993fSSiva Chandra Reddy #include "src/errno/libc_errno.h"
1535ea84adSSiva Chandra Reddy 
1635ea84adSSiva Chandra Reddy #include <dirent.h>
1735ea84adSSiva Chandra Reddy 
18*5ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL {
1935ea84adSSiva Chandra Reddy 
2035ea84adSSiva Chandra Reddy LLVM_LIBC_FUNCTION(struct ::dirent *, readdir, (::DIR * dir)) {
21b6bc9d72SGuillaume Chatelet   auto *d = reinterpret_cast<LIBC_NAMESPACE::Dir *>(dir);
229b29436aSSiva Chandra Reddy   auto dirent_val = d->read();
239b29436aSSiva Chandra Reddy   if (!dirent_val) {
24d49b993fSSiva Chandra Reddy     libc_errno = dirent_val.error();
259b29436aSSiva Chandra Reddy     return nullptr;
269b29436aSSiva Chandra Reddy   }
27b95ed8b6STue Ly   return dirent_val.value();
2835ea84adSSiva Chandra Reddy }
2935ea84adSSiva Chandra Reddy 
30*5ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL
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