xref: /llvm-project/libc/src/stdio/setvbuf.cpp (revision 5ff3ff33ff930e4ec49da7910612d8a41eb068cb)
14eea8849SSiva Chandra Reddy //===-- Implementation of setvbuf -----------------------------------------===//
24eea8849SSiva Chandra Reddy //
34eea8849SSiva Chandra Reddy // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
44eea8849SSiva Chandra Reddy // See https://llvm.org/LICENSE.txt for license information.
54eea8849SSiva Chandra Reddy // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
64eea8849SSiva Chandra Reddy //
74eea8849SSiva Chandra Reddy //===----------------------------------------------------------------------===//
84eea8849SSiva Chandra Reddy 
94eea8849SSiva Chandra Reddy #include "src/stdio/setvbuf.h"
104eea8849SSiva Chandra Reddy #include "src/__support/File/file.h"
114eea8849SSiva Chandra Reddy 
125aed6d67SMichael Jones #include "hdr/types/FILE.h"
13*5ff3ff33SPetr Hosek #include "src/__support/macros/config.h"
1404a9c625SMichael Jones #include "src/errno/libc_errno.h"
155aed6d67SMichael Jones #include <stddef.h>
164eea8849SSiva Chandra Reddy 
17*5ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL {
184eea8849SSiva Chandra Reddy 
194eea8849SSiva Chandra Reddy LLVM_LIBC_FUNCTION(int, setvbuf,
204eea8849SSiva Chandra Reddy                    (::FILE *__restrict stream, char *__restrict buf, int type,
214eea8849SSiva Chandra Reddy                     size_t size)) {
22b6bc9d72SGuillaume Chatelet   int err = reinterpret_cast<LIBC_NAMESPACE::File *>(stream)->set_buffer(
23b6bc9d72SGuillaume Chatelet       buf, size, type);
244eea8849SSiva Chandra Reddy   if (err != 0)
2504a9c625SMichael Jones     libc_errno = err;
264eea8849SSiva Chandra Reddy   return err;
274eea8849SSiva Chandra Reddy }
284eea8849SSiva Chandra Reddy 
29*5ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL
30