xref: /llvm-project/libc/src/stdio/generic/fopen.cpp (revision 5aed6d67e3f051262c67e3295476bf13cfc099c4)
1 //===-- Implementation of fopen -------------------------------------------===//
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/stdio/fopen.h"
10 #include "src/__support/File/file.h"
11 
12 #include "hdr/types/FILE.h"
13 #include "src/errno/libc_errno.h"
14 
15 namespace LIBC_NAMESPACE {
16 
17 LLVM_LIBC_FUNCTION(::FILE *, fopen,
18                    (const char *__restrict name, const char *__restrict mode)) {
19   auto result = LIBC_NAMESPACE::openfile(name, mode);
20   if (!result.has_value()) {
21     libc_errno = result.error();
22     return nullptr;
23   }
24   return reinterpret_cast<::FILE *>(result.value());
25 }
26 
27 } // namespace LIBC_NAMESPACE
28