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/*
*
* This file is part of the XForms library package.
*
* XForms 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 2.1, or
* (at your option) any later version.
*
* XForms 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 XForms; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*
*/
/*
* $Id: sysdep.c,v 1.0 2002/05/08 05:16:30 zhao Release $
*.
* This file is part of the XForms library package.
* Copyright (c) 1996-2002 T.C. Zhao and Mark Overmars
* All rights reserved.
*.
*
*
* X independent but system (SysV, BSD) or OS dependent utilities.
*
* listdir.c contains another part of the system dependent stuff,
* namely the directory structure of the system.
*
* check out local.h, which defines some flags that might affect
* this file
*
*/
#if defined(F_ID) || defined(DEBUG)
char *fl_id_sysd = "$Id: sysdep.c,v 1.0 2002/05/08 05:16:30 zhao Release $";
#endif
#include "forms.h"
#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#ifndef FL_WIN32
#include <sys/time.h>
#include <unistd.h>
#include <pwd.h>
#else
#include <sys/timeb.h>
#include <process.h>
#endif
#include "local.h"
/***********************************************************
*
* fl_whoami() returns the username
*
**********************************************************/
#ifndef FL_WIN32
const char *
fl_whoami(void)
{
#ifndef __VMS
struct passwd *passwd = getpwuid(getuid());
const char *name = passwd ? passwd->pw_name : "Unknown";
endpwent();
#else
const char *name = getenv("USER");
#endif
return name ? name : "unknown";
}
#else /* WIN/NT platform */
const char *
fl_whoami(void)
{
static char buf[32];
int len = 32;
return GetUserName(buf, &len) ? buf : "unknown";
}
#endif
/***************************************************
* fl_now() returns today's date in ASCII format
***************************************************/
const char *
fl_now(void)
{
time_t t = time(0);
static char buf[64];
strcpy(buf, asctime(localtime(&t)));
buf[strlen(buf) - 1] = '\0';
return buf;
}
/*****************************************************************
*
* fl_msleep() is similar to sleep(), but with milli-second argument
*
******************************************************************/
#ifdef __VMS
#include <lib$routines.h>
unsigned long
fl_msleep(unsigned long msec)
{
float wait_time;
wait_time = msec;
wait_time = wait_time * .001;
(void) lib$wait(&wait_time);
return 0;
}
#else
/* Yielding the processor for msec milli-seconds */
unsigned long
fl_msleep(unsigned long msec)
{
#ifdef __EMX__
_sleep2(msec); /* more accurate than select/sleep in OS2 */
return 0;
#else
#ifdef FL_WIN32
_sleep(msec);
return 0;
#else
#if !defined(DONT_HAVE_USLEEP)
usleep(msec * 1000);
return 0;
#else
/* seems everybody has select these days */
struct timeval timeout;
timeout.tv_usec = 1000 * (msec % 1000);
timeout.tv_sec = msec / 1000;
return select(0, (void *) 0, (void *) 0, (void *) 0, &timeout);
#endif
#endif
#endif
}
#endif /* VMS */
/******* End of fl_msleep() ***************************/
/*************************************************************
* Return the system time since a fixed point in time (On unix
* systems, this point is typically 01/01/70).
* Most useful for elapsed time.
************************************************************/
void
fl_gettime(long *sec, long *usec)
{
#ifndef FL_WIN32
static struct timeval tp;
#ifdef opennt
static unsigned long tzp;
#else
static struct timezone tzp;
#endif
gettimeofday(&tp, &tzp);
*sec = tp.tv_sec;
*usec = tp.tv_usec;
#else
struct _timeb _gtodtmp;
_ftime(&_gtodtmp);
*sec = _gtodtmp.time;
*usec = _gtodtmp.millitm * 1000;
#endif
}
long fl_getpid(void)
{
return (long)getpid();
}
#if defined(__VMS) && __VMS_VER < 70000000
/* Thanks to David Mathog (mathog@seqaxp.bio.caltech.edu) for
stealing it from the X11KIT distribution
*/
/*
* gettimeofday(2) - Returns the current time
*
* NOTE: The timezone portion is useless on VMS.
* Even on UNIX, it is only provided for backwards
* compatibilty and is not guaranteed to be correct.
*/
#include "forms.h"
#include <timeb.h>
int
gettimeofday(struct timeval *tv, struct timezone *tz)
{
timeb_t tmp_time;
ftime(&tmp_time);
if (tv != NULL)
{
tv->tv_sec = tmp_time.time;
tv->tv_usec = tmp_time.millitm * 1000;
}
if (tz != NULL)
{
tz->tz_minuteswest = tmp_time.timezone;
tz->tz_dsttime = tmp_time.dstflag;
}
return (0);
}
/*** End gettimeofday() ***/
#endif /* __VMS_VER */
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