29 lines
829 B
C++
29 lines
829 B
C++
//===-- Implementation of setbuf ------------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "src/stdio/setbuf.h"
|
|
#include "src/__support/File/file.h"
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
|
|
namespace __llvm_libc {
|
|
|
|
LLVM_LIBC_FUNCTION(void, setbuf,
|
|
(::FILE *__restrict stream, char *__restrict buf)) {
|
|
int mode = _IOFBF;
|
|
if (buf == nullptr)
|
|
mode = _IONBF;
|
|
int err = reinterpret_cast<__llvm_libc::File *>(stream)->set_buffer(
|
|
buf, BUFSIZ, mode);
|
|
if (err != 0)
|
|
errno = err;
|
|
}
|
|
|
|
} // namespace __llvm_libc
|