quakeforge-old/common/buildnum.c
Jeff Teunissen c8339f5d3a Moved buildnum.c to common/ -- we don't use it any more, but we could.
Also changed it so that the starting build number would be 21 Dec 1999,
the date of the Q1 source release. Today would be build number 13. :)
2000-01-03 16:49:28 +00:00

78 lines
1.8 KiB
C

/*
buildnum.c
Build number (actually date) calculator
Copyright (C) 1996-1997 Id Software, Inc.
Copyright (C) 1999-2000 The QuakeForge Project
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.
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 <stdlib.h>
#include <string.h>
#include <quakedef.h>
//char *date = "Dec 21 1999";
//char *time = "00:00:00";
char *date = __DATE__ ;
char *time = __TIME__ ;
char *mon[12] =
{ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
char mond[12] =
{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
// returns days since Oct 24 1996
int build_number( void )
{
int m = 0;
int d = 0;
int y = 0;
int hr, min;
static int b = 0;
if (b != 0)
return b;
for (m = 0; m < 11; m++)
{
if (_strnicmp( &date[0], mon[m], 3 ) == 0)
break;
d += mond[m];
}
d += atoi( &date[4] ) - 1;
y = atoi( &date[7] ) - 1900;
b = d + (int)((y - 1) * 365.25);
if (((y % 4) == 0) && m > 1)
{
b += 1;
}
b -= 36148; // Dec 21 1999
hr = (time[0] - '0') * 10 + (time[1] - '0');
min = (time[3] - '0') * 10 + (time[4] - '0');
// sec = (time[6] - '0') * 10 + (time[7] - '0');
b *= 60*24;
b += hr * 60 + min;
return b;
}