a760e7faac
In the process of adding strftime (#122556) I wrote this utility class to simplify reading from a struct tm. It provides helper functions that return basically everything needed by strftime. It's not tested directly, but it is thoroughly exercised by the strftime tests.
28 lines
940 B
C++
28 lines
940 B
C++
//===-- 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)) {
|
|
int64_t seconds = time_utils::mktime_internal(tm_out);
|
|
|
|
// 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 static_cast<time_t>(seconds);
|
|
}
|
|
|
|
} // namespace LIBC_NAMESPACE_DECL
|