openocd/src/helper/replacements.c

97 lines
2.9 KiB
C

/***************************************************************************
* Copyright (C) 2006 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "replacements.h"
#include <stdio.h>
/* replacements for gettimeofday */
#ifndef HAVE_GETTIMEOFDAY
/* Windows */
#ifdef _WIN32
#ifndef __GNUC__
#define EPOCHFILETIME (116444736000000000i64)
#else
#define EPOCHFILETIME (116444736000000000LL)
#endif
int gettimeofday(struct timeval *tv, struct timezone *tz)
{
FILETIME ft;
LARGE_INTEGER li;
__int64 t;
static int tzflag;
if (tv)
{
GetSystemTimeAsFileTime(&ft);
li.LowPart = ft.dwLowDateTime;
li.HighPart = ft.dwHighDateTime;
t = li.QuadPart; /* In 100-nanosecond intervals */
t -= EPOCHFILETIME; /* Offset to the Epoch time */
t /= 10; /* In microseconds */
tv->tv_sec = (long)(t / 1000000);
tv->tv_usec = (long)(t % 1000000);
}
if (tz)
{
if (!tzflag)
{
_tzset();
tzflag++;
}
tz->tz_minuteswest = _timezone / 60;
tz->tz_dsttime = _daylight;
}
return 0;
}
#endif /* _WIN32 */
#endif /* HAVE_GETTIMEOFDAY */
#ifndef HAVE_STRNLEN
size_t strnlen(const char *s, size_t maxlen)
{
const char *end= (const char *)memchr(s, '\0', maxlen);
return end ? (size_t) (end - s) : maxlen;
}
#endif
#ifndef HAVE_STRNDUP
char* strndup(const char *s, size_t n)
{
size_t len = strnlen (s, n);
char *new = (char *) malloc (len + 1);
if (new == NULL)
return NULL;
new[len] = '\0';
return (char *) memcpy (new, s, len);
}
#endif