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/*
* libmowgli: A collection of useful routines for programming.
* win32_support.c: Support functions and values for Win32 platform.
*
* Copyright (c) 2009 SystemInPlace, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#include "mowgli.h"
#ifdef _MSC_VER
# define EPOCH_TIME_IN_MICROSECS 11644473600000000Ui64
#else
# define EPOCH_TIME_IN_MICROSECS 11644473600000000ULL
#endif
#ifdef _WIN32
int gettimeofday(struct timeval *tv, struct timezone *tz)
{
FILETIME ft;
ULARGE_INTEGER tmpres;
static mowgli_boolean_t tz_init_done = FALSE;
if (tv != NULL)
{
GetSystemTimeAsFileTime(&ft);
tmpres.u.HighPart = ft.dwHighDateTime;
tmpres.u.LowPart = ft.dwLowDateTime;
tmpres.QuadPart /= 10;
tmpres.QuadPart -= EPOCH_TIME_IN_MICROSECS;
tv->tv_sec = (long) (tmpres.QuadPart / 1000000UL);
tv->tv_usec = (long) (tmpres.QuadPart % 1000000UL);
}
if (tz != NULL)
{
if (!tz_init_done)
{
_tzset();
tz_init_done = TRUE;
}
tz->tz_minuteswest = _timezone / 60;
tz->tz_dsttime = _daylight;
}
return 0;
}
#endif
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