xref: /llvm-project/libc/src/stdio/generic/fopen.cpp (revision 5ff3ff33ff930e4ec49da7910612d8a41eb068cb)
11e573f37SJoseph Huber //===-- Implementation of fopen -------------------------------------------===//
21e573f37SJoseph Huber //
31e573f37SJoseph Huber // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
41e573f37SJoseph Huber // See https://llvm.org/LICENSE.txt for license information.
51e573f37SJoseph Huber // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
61e573f37SJoseph Huber //
71e573f37SJoseph Huber //===----------------------------------------------------------------------===//
81e573f37SJoseph Huber 
91e573f37SJoseph Huber #include "src/stdio/fopen.h"
101e573f37SJoseph Huber #include "src/__support/File/file.h"
111e573f37SJoseph Huber 
125aed6d67SMichael Jones #include "hdr/types/FILE.h"
13*5ff3ff33SPetr Hosek #include "src/__support/macros/config.h"
141e573f37SJoseph Huber #include "src/errno/libc_errno.h"
151e573f37SJoseph Huber 
16*5ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL {
171e573f37SJoseph Huber 
181e573f37SJoseph Huber LLVM_LIBC_FUNCTION(::FILE *, fopen,
191e573f37SJoseph Huber                    (const char *__restrict name, const char *__restrict mode)) {
20b6bc9d72SGuillaume Chatelet   auto result = LIBC_NAMESPACE::openfile(name, mode);
211e573f37SJoseph Huber   if (!result.has_value()) {
221e573f37SJoseph Huber     libc_errno = result.error();
231e573f37SJoseph Huber     return nullptr;
241e573f37SJoseph Huber   }
251e573f37SJoseph Huber   return reinterpret_cast<::FILE *>(result.value());
261e573f37SJoseph Huber }
271e573f37SJoseph Huber 
28*5ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL
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