quakeforge-old/common/sys_common.c

163 lines
3.1 KiB
C

/*
sys_common.c - Common system routines.
Copyright (C) 1996-1997 Id Software, Inc.
Copyright (C) 1999-2000 contributors of the QuakeForge project
Please see the file "AUTHORS" for a list of contributors
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.
*/
#include "quakedef.h"
#include <stdio.h>
#include <stdarg.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#ifdef HAVE_SYS_TIMEB_H
# include <sys/timeb.h>
#endif
int nostdout = 0;
cvar_t sys_nostdout = {"sys_nostdout","0"};
/*
================
Sys_Printf
================
*/
void Sys_Printf (char *fmt, ...)
{
va_list argptr;
char text[2048];
unsigned char *p;
if (nostdout || sys_nostdout.value) return;
va_start(argptr, fmt);
vsnprintf(text, sizeof(text), fmt, argptr);
va_end(argptr);
for (p = (unsigned char *)text; *p; p++) {
if ((*p > 128 || *p < 32) && *p != 10 && *p != 13 && *p != 9)
printf("[%02x]", *p);
else
putc(*p, stdout);
}
/* Make sure output is seen. */
fflush(stdout);
}
/*
================
Sys_mkdir
================
*/
void Sys_mkdir (char *path)
{
#if defined(_WIN32)
_mkdir(path);
#elif defined(HAVE_MKDIR)
mkdir(path, 0777);
#else
# warning No mkdir() - creating directories will not be possible
#endif
}
/*
============
Sys_FileTime
returns -1 if not present
============
*/
int Sys_FileTime (char *path)
{
int ret = -1;
#ifdef HAVE_STAT
struct stat buf;
if (stat(path, &buf) == 0) ret = buf.st_mtime;
#else /* HAVE_STAT */
FILE *f;
#if defined(_WIN32) && !defined(SERVERONLY)
int t = VID_ForceUnlockedAndReturnState();
#endif
f = fopen(path, "rb");
if (f) {
fclose(f);
ret = 1;
}
#if defined(_WIN32) && !defined(SERVERONLY)
VID_ForceLockState(t);
#endif
#endif /* HAVE_STAT */
return ret;
}
/*
================
Sys_DoubleTime
================
*/
double Sys_DoubleTime(void)
{
static int starttime = 0;
long secs, usecs;
#if defined(HAVE_GETTIMEOFDAY)
struct timeval tp;
gettimeofday(&tp, NULL);
secs = tp.tv_sec;
usecs = tp.tv_usec;
#elif defined(HAVE_FTIME)
struct timeb tstruct;
ftime(&tstruct);
secs = tstruct.time;
usecs = tstruct.millitm*1000;
#elif defined(HAVE__FTIME)
struct _timeb tstruct;
_ftime(&tstruct);
secs = tstruct.time;
usecs = tstruct.millitm*1000;
#else
# error You need to implement Sys_DoubleTime()
#endif
if (!starttime) starttime = secs;
return (secs - starttime) + usecs/1000000.0;
}