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/*
* Copyright (c) 2021 [Ribose Inc](https://www.ribose.com).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** Time utilities
* @file
*/
#include <stdint.h>
#include "time-utils.h"
static inline time_t
adjust_time32(time_t t)
{
return (sizeof(t) == 4 && t < 0) ? INT32_MAX : t;
}
bool
rnp_y2k38_warning(time_t t)
{
return (sizeof(t) == 4 && (t < 0 || t == INT32_MAX));
}
time_t
rnp_mktime(struct tm *tm)
{
return adjust_time32(mktime(tm));
}
void
rnp_gmtime(time_t t, struct tm &tm)
{
time_t adjusted = adjust_time32(t);
#ifndef _WIN32
gmtime_r(&adjusted, &tm);
#else
(void) gmtime_s(&tm, &adjusted);
#endif
}
void
rnp_localtime(time_t t, struct tm &tm)
{
time_t adjusted = adjust_time32(t);
#ifndef _WIN32
localtime_r(&adjusted, &tm);
#else
(void) localtime_s(&tm, &adjusted);
#endif
}
std::string
rnp_ctime(time_t t)
{
char time_buf[26];
time_t adjusted = adjust_time32(t);
#ifndef _WIN32
(void) ctime_r(&adjusted, time_buf);
#else
(void) ctime_s(time_buf, sizeof(time_buf), &adjusted);
#endif
return std::string(time_buf);
}
time_t
rnp_timeadd(time_t t1, time_t t2)
{
if (sizeof(time_t) == 4) {
if (t1 < 0 || t2 < 0) {
return INT32_MAX;
}
return adjust_time32(t1 + t2);
}
return t1 + t2;
}
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