1*71db0c75SAndroid Build Coastguard Worker //===-- Implementation of setbuf ------------------------------------------===// 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/setbuf.h" 10*71db0c75SAndroid Build Coastguard Worker #include "hdr/stdio_macros.h" 11*71db0c75SAndroid Build Coastguard Worker #include "src/__support/File/file.h" 12*71db0c75SAndroid Build Coastguard Worker #include "src/__support/macros/config.h" 13*71db0c75SAndroid Build Coastguard Worker #include "src/errno/libc_errno.h" 14*71db0c75SAndroid Build Coastguard Worker 15*71db0c75SAndroid Build Coastguard Worker namespace LIBC_NAMESPACE_DECL { 16*71db0c75SAndroid Build Coastguard Worker 17*71db0c75SAndroid Build Coastguard Worker LLVM_LIBC_FUNCTION(void, setbuf, 18*71db0c75SAndroid Build Coastguard Worker (::FILE *__restrict stream, char *__restrict buf)) { 19*71db0c75SAndroid Build Coastguard Worker int mode = _IOFBF; 20*71db0c75SAndroid Build Coastguard Worker if (buf == nullptr) 21*71db0c75SAndroid Build Coastguard Worker mode = _IONBF; 22*71db0c75SAndroid Build Coastguard Worker int err = reinterpret_cast<LIBC_NAMESPACE::File *>(stream)->set_buffer( 23*71db0c75SAndroid Build Coastguard Worker buf, BUFSIZ, mode); 24*71db0c75SAndroid Build Coastguard Worker if (err != 0) 25*71db0c75SAndroid Build Coastguard Worker libc_errno = err; 26*71db0c75SAndroid Build Coastguard Worker } 27*71db0c75SAndroid Build Coastguard Worker 28*71db0c75SAndroid Build Coastguard Worker } // namespace LIBC_NAMESPACE_DECL 29