| //===-- Implementation of ctime function ----------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "src/time/ctime.h" |
| #include "src/__support/CPP/limits.h" |
| #include "src/__support/common.h" |
| #include "src/__support/macros/config.h" |
| #include "src/time/time_constants.h" |
| #include "src/time/time_utils.h" |
| |
| namespace LIBC_NAMESPACE_DECL { |
| |
| LLVM_LIBC_FUNCTION(char *, ctime, (const time_t *t_ptr)) { |
| if (t_ptr == nullptr || *t_ptr > cpp::numeric_limits<int32_t>::max()) { |
| return nullptr; |
| } |
| static char buffer[time_constants::ASCTIME_BUFFER_SIZE]; |
| return time_utils::asctime(time_utils::localtime(t_ptr), buffer, |
| time_constants::ASCTIME_MAX_BYTES); |
| } |
| |
| } // namespace LIBC_NAMESPACE_DECL |
