1//===-- Implementation of setvbuf -----------------------------------------===//
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/setvbuf.h"
10#include "src/__support/File/file.h"
11
12#include "src/errno/libc_errno.h"
13#include <stdio.h>
14
15namespace LIBC_NAMESPACE {
16
17LLVM_LIBC_FUNCTION(int, setvbuf,
18 (::FILE *__restrict stream, char *__restrict buf, int type,
19 size_t size)) {
20 int err = reinterpret_cast<LIBC_NAMESPACE::File *>(stream)->set_buffer(
21 buffer: buf, size, buffer_mode: type);
22 if (err != 0)
23 libc_errno = err;
24 return err;
25}
26
27} // namespace LIBC_NAMESPACE
28

source code of libc/src/stdio/setvbuf.cpp