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/*
* Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* 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.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.
*/
#include <config.h>
#include "roken.h"
#ifndef HAVE_GETTIMEOFDAY
#ifdef _WIN32
typedef BOOL (WINAPI *LPFN_GETSYSTEMTIME) (LPFILETIME);
static LPFN_GETSYSTEMTIME lpGetSystemTime = NULL;
ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
gettimeofday (struct timeval *tp, void *ignore)
{
FILETIME ft;
ULARGE_INTEGER li;
ULONGLONG ull;
if (lpGetSystemTime == NULL) {
HANDLE h1;
LPFN_GETSYSTEMTIME fn;
h1 = GetModuleHandle(TEXT("kernel32.dll")); /* no refcount increase */
fn = (LPFN_GETSYSTEMTIME)GetProcAddress(h1,
"GetSystemTimePreciseAsFileTime");
if (fn == NULL)
fn = (LPFN_GETSYSTEMTIME)GetProcAddress(h1,
"GetSystemTimeAsFileTime");
lpGetSystemTime = fn;
}
lpGetSystemTime(&ft);
li.LowPart = ft.dwLowDateTime;
li.HighPart = ft.dwHighDateTime;
ull = li.QuadPart;
ull -= 116444736000000000i64;
ull /= 10i64; /* ull is now in microseconds */
tp->tv_usec = (ull % 1000000i64);
tp->tv_sec = (ull / 1000000i64);
return 0;
}
#else
/*
* Simple gettimeofday that only returns seconds.
*/
ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
gettimeofday (struct timeval *tp, void *ignore)
{
time_t t;
t = time(NULL);
tp->tv_sec = (long) t;
tp->tv_usec = 0;
return 0;
}
#endif /* !_WIN32 */
#endif
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