| //===-- Implementation of mktime 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/mktime.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(time_t, mktime, (struct tm * tm_out)) { |
| auto mktime_result = time_utils::mktime_internal(tm_out); |
| if (!mktime_result) |
| return time_utils::out_of_range(); |
| |
| time_t seconds = *mktime_result; |
| |
| // Update the tm structure's year, month, day, etc. from seconds. |
| if (time_utils::update_from_seconds(seconds, tm_out) < 0) |
| return time_utils::out_of_range(); |
| |
| return seconds; |
| } |
| |
| } // namespace LIBC_NAMESPACE_DECL |
