1*71db0c75SAndroid Build Coastguard Worker //===-- Implementation of ctime_r function --------------------------------===// 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 "ctime_r.h" 10*71db0c75SAndroid Build Coastguard Worker #include "src/__support/CPP/limits.h" 11*71db0c75SAndroid Build Coastguard Worker #include "src/__support/common.h" 12*71db0c75SAndroid Build Coastguard Worker #include "src/__support/macros/config.h" 13*71db0c75SAndroid Build Coastguard Worker #include "time_utils.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 using LIBC_NAMESPACE::time_utils::TimeConstants; 18*71db0c75SAndroid Build Coastguard Worker 19*71db0c75SAndroid Build Coastguard Worker LLVM_LIBC_FUNCTION(char *, ctime_r, (const time_t *t_ptr, char *buffer)) { 20*71db0c75SAndroid Build Coastguard Worker if (t_ptr == nullptr || buffer == nullptr || 21*71db0c75SAndroid Build Coastguard Worker *t_ptr > cpp::numeric_limits<int32_t>::max()) { 22*71db0c75SAndroid Build Coastguard Worker return nullptr; 23*71db0c75SAndroid Build Coastguard Worker } 24*71db0c75SAndroid Build Coastguard Worker 25*71db0c75SAndroid Build Coastguard Worker return time_utils::asctime(time_utils::localtime(t_ptr), buffer, 26*71db0c75SAndroid Build Coastguard Worker TimeConstants::ASCTIME_MAX_BYTES); 27*71db0c75SAndroid Build Coastguard Worker } 28*71db0c75SAndroid Build Coastguard Worker 29*71db0c75SAndroid Build Coastguard Worker } // namespace LIBC_NAMESPACE_DECL 30