1*71db0c75SAndroid Build Coastguard Worker //===-- Implementation of ungetc ------------------------------------------===// 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/ungetc.h" 10*71db0c75SAndroid Build Coastguard Worker #include "file.h" 11*71db0c75SAndroid Build Coastguard Worker #include "src/__support/macros/config.h" 12*71db0c75SAndroid Build Coastguard Worker 13*71db0c75SAndroid Build Coastguard Worker #include "hdr/types/FILE.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(int, ungetc, (int c, ::FILE *stream)) { 18*71db0c75SAndroid Build Coastguard Worker int ret; 19*71db0c75SAndroid Build Coastguard Worker rpc::Client::Port port = rpc::client.open<RPC_UNGETC>(); 20*71db0c75SAndroid Build Coastguard Worker port.send_and_recv( __anone2c544530102(rpc::Buffer *buffer, uint32_t) 21*71db0c75SAndroid Build Coastguard Worker [=](rpc::Buffer *buffer, uint32_t) { 22*71db0c75SAndroid Build Coastguard Worker buffer->data[0] = c; 23*71db0c75SAndroid Build Coastguard Worker buffer->data[1] = file::from_stream(stream); 24*71db0c75SAndroid Build Coastguard Worker }, __anone2c544530202(rpc::Buffer *buffer, uint32_t) 25*71db0c75SAndroid Build Coastguard Worker [&](rpc::Buffer *buffer, uint32_t) { 26*71db0c75SAndroid Build Coastguard Worker ret = static_cast<int>(buffer->data[0]); 27*71db0c75SAndroid Build Coastguard Worker }); 28*71db0c75SAndroid Build Coastguard Worker port.close(); 29*71db0c75SAndroid Build Coastguard Worker return ret; 30*71db0c75SAndroid Build Coastguard Worker } 31*71db0c75SAndroid Build Coastguard Worker 32*71db0c75SAndroid Build Coastguard Worker } // namespace LIBC_NAMESPACE_DECL 33