xref: /llvm-project/libc/src/stdio/generic/fflush.cpp (revision 5ff3ff33ff930e4ec49da7910612d8a41eb068cb)
17ac8e26fSJoseph Huber //===-- Implementation of fflush ------------------------------------------===//
27ac8e26fSJoseph Huber //
37ac8e26fSJoseph Huber // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
47ac8e26fSJoseph Huber // See https://llvm.org/LICENSE.txt for license information.
57ac8e26fSJoseph Huber // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
67ac8e26fSJoseph Huber //
77ac8e26fSJoseph Huber //===----------------------------------------------------------------------===//
87ac8e26fSJoseph Huber 
97ac8e26fSJoseph Huber #include "src/stdio/fflush.h"
107ac8e26fSJoseph Huber #include "src/__support/File/file.h"
117ac8e26fSJoseph Huber 
125aed6d67SMichael Jones #include "hdr/types/FILE.h"
13*5ff3ff33SPetr Hosek #include "src/__support/macros/config.h"
147ac8e26fSJoseph Huber #include "src/errno/libc_errno.h"
157ac8e26fSJoseph Huber 
16*5ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL {
177ac8e26fSJoseph Huber 
187ac8e26fSJoseph Huber LLVM_LIBC_FUNCTION(int, fflush, (::FILE * stream)) {
197ac8e26fSJoseph Huber   int result = reinterpret_cast<LIBC_NAMESPACE::File *>(stream)->flush();
207ac8e26fSJoseph Huber   if (result != 0) {
217ac8e26fSJoseph Huber     libc_errno = result;
227ac8e26fSJoseph Huber     return EOF;
237ac8e26fSJoseph Huber   }
247ac8e26fSJoseph Huber   return 0;
257ac8e26fSJoseph Huber }
267ac8e26fSJoseph Huber 
27*5ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL
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