mirror of
https://gitlab.com/sortix/sortix.git
synced 2023-02-13 20:55:38 -05:00
113 lines
2.9 KiB
C++
113 lines
2.9 KiB
C++
/******************************************************************************
|
|
|
|
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011, 2012.
|
|
|
|
This file is part of LibMaxsi.
|
|
|
|
LibMaxsi is free software: you can redistribute it and/or modify it under
|
|
the terms of the GNU Lesser General Public License as published by the Free
|
|
Software Foundation, either version 3 of the License, or (at your option)
|
|
any later version.
|
|
|
|
LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
|
|
more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
time.cpp
|
|
Useful time functions.
|
|
|
|
*******************************************************************************/
|
|
|
|
#include <libmaxsi/platform.h>
|
|
#include <libmaxsi/string.h>
|
|
#include <libmaxsi/memory.h>
|
|
#include <libmaxsi/syscall.h>
|
|
#include <errno.h>
|
|
#include <sys/time.h>
|
|
#include <time.h>
|
|
|
|
namespace Maxsi
|
|
{
|
|
namespace Time
|
|
{
|
|
DEFN_SYSCALL1(int, SysUptime, SYSCALL_UPTIME, uintmax_t*);
|
|
|
|
extern "C" int uptime(uintmax_t* usecssinceboot)
|
|
{
|
|
return SysUptime(usecssinceboot);
|
|
}
|
|
|
|
extern "C" clock_t clock(void)
|
|
{
|
|
errno = ENOTSUP;
|
|
return -1;
|
|
}
|
|
|
|
extern "C" int gettimeofday(struct timeval* tp, void* /*tzp*/)
|
|
{
|
|
uintmax_t sinceboot;
|
|
uptime(&sinceboot);
|
|
tp->tv_sec = sinceboot / 1000000ULL;
|
|
tp->tv_usec = sinceboot % 1000000ULL;
|
|
return 0;
|
|
}
|
|
|
|
extern "C" time_t time(time_t* t)
|
|
{
|
|
struct timeval tv;
|
|
gettimeofday(&tv, NULL);
|
|
time_t result = tv.tv_sec;
|
|
return t ? *t = result : result;
|
|
}
|
|
|
|
extern "C" struct tm* localtime_r(const time_t* timer, struct tm* ret)
|
|
{
|
|
time_t time = *timer;
|
|
ret->tm_sec = time % 60; // No leap seconds.
|
|
ret->tm_min = (time / 60) % 60;
|
|
ret->tm_hour = (time / 60 / 60) % 24;
|
|
ret->tm_mday = 0;
|
|
ret->tm_mon = 0;
|
|
ret->tm_year = 0;
|
|
ret->tm_wday = 0;
|
|
ret->tm_isdst = 0;
|
|
return ret;
|
|
}
|
|
|
|
extern "C" struct tm* gmtime_r(const time_t* timer, struct tm* ret)
|
|
{
|
|
return localtime_r(timer, ret);
|
|
}
|
|
|
|
// TODO: Who the hell designed the below two functions? I vote that
|
|
// these be removed from Sortix soon - although that'd require fixing
|
|
// a lot of applications..
|
|
|
|
extern "C" struct tm* localtime(const time_t* timer)
|
|
{
|
|
static struct tm hack_localtime_ret;
|
|
return localtime_r(timer, &hack_localtime_ret);
|
|
}
|
|
|
|
extern "C" struct tm* gmtime(const time_t* timer)
|
|
{
|
|
static struct tm hack_gmtime_ret;
|
|
return gmtime_r(timer, &hack_gmtime_ret);
|
|
}
|
|
|
|
extern "C" char* ctime(const time_t* /*timep*/)
|
|
{
|
|
return (char*) "ctime(3) is not implemented";
|
|
}
|
|
|
|
extern "C" int utime(const char* filepath, const struct utimbuf* times)
|
|
{
|
|
// TODO: Sure, I did that! There is no kernel support for this yet.
|
|
return 0;
|
|
}
|
|
}
|
|
}
|