xref: /aosp_15_r20/external/llvm-libc/src/stdio/setvbuf.cpp (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
1*71db0c75SAndroid Build Coastguard Worker //===-- Implementation of setvbuf -----------------------------------------===//
2*71db0c75SAndroid Build Coastguard Worker //
3*71db0c75SAndroid Build Coastguard Worker // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*71db0c75SAndroid Build Coastguard Worker // See https://llvm.org/LICENSE.txt for license information.
5*71db0c75SAndroid Build Coastguard Worker // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*71db0c75SAndroid Build Coastguard Worker //
7*71db0c75SAndroid Build Coastguard Worker //===----------------------------------------------------------------------===//
8*71db0c75SAndroid Build Coastguard Worker 
9*71db0c75SAndroid Build Coastguard Worker #include "src/stdio/setvbuf.h"
10*71db0c75SAndroid Build Coastguard Worker #include "src/__support/File/file.h"
11*71db0c75SAndroid Build Coastguard Worker 
12*71db0c75SAndroid Build Coastguard Worker #include "hdr/types/FILE.h"
13*71db0c75SAndroid Build Coastguard Worker #include "src/__support/macros/config.h"
14*71db0c75SAndroid Build Coastguard Worker #include "src/errno/libc_errno.h"
15*71db0c75SAndroid Build Coastguard Worker #include <stddef.h>
16*71db0c75SAndroid Build Coastguard Worker 
17*71db0c75SAndroid Build Coastguard Worker namespace LIBC_NAMESPACE_DECL {
18*71db0c75SAndroid Build Coastguard Worker 
19*71db0c75SAndroid Build Coastguard Worker LLVM_LIBC_FUNCTION(int, setvbuf,
20*71db0c75SAndroid Build Coastguard Worker                    (::FILE *__restrict stream, char *__restrict buf, int type,
21*71db0c75SAndroid Build Coastguard Worker                     size_t size)) {
22*71db0c75SAndroid Build Coastguard Worker   int err = reinterpret_cast<LIBC_NAMESPACE::File *>(stream)->set_buffer(
23*71db0c75SAndroid Build Coastguard Worker       buf, size, type);
24*71db0c75SAndroid Build Coastguard Worker   if (err != 0)
25*71db0c75SAndroid Build Coastguard Worker     libc_errno = err;
26*71db0c75SAndroid Build Coastguard Worker   return err;
27*71db0c75SAndroid Build Coastguard Worker }
28*71db0c75SAndroid Build Coastguard Worker 
29*71db0c75SAndroid Build Coastguard Worker } // namespace LIBC_NAMESPACE_DECL
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