source-engine/hammer/buildnum.cpp
FluorescentCIAAfricanAmerican 3bf9df6b27 1
2020-04-22 12:56:21 -04:00

53 lines
965 B
C++

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//===========================================================================//
#include <stdlib.h>
#include <string.h>
#include "tier1/strtools.h"
// char *date = "Oct 24 1996";
char *date = __DATE__ ;
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;
static int b = 0;
if (b != 0)
return b;
for (m = 0; m < 11; m++)
{
if ( Q_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 -= 34995; // Oct 24 1996
return b;
}