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/*
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
/* The code is taken from GNU C library. Goal is to provide same
* random numbers at all platforms to make possible save random
* palette just by saving random seed
*
* Very simplified because I don't need to have numbers "very random"
*/
/*
* This is derived from the Berkeley source:
* @(#)random.c 5.5 (Berkeley) 7/6/88
* It was reworked for the GNU C Library by Roland McGrath.
*/
/* Ugly hack because of unknown problems w/ wa_list in v*print* in plan9 */
#ifdef _plan9_
#define va_list char *
#endif
#include <stdio.h>
#include <config.h>
#include <misc-f.h>
static unsigned int state;
void XaoS_srandom(unsigned int x)
{
state = x;
}
#define MYLONG_MAX 0xffffff /* this is enough for me */
long int XaoS_random(void)
{
state = ((state * 1103515245) + 12345) & MYLONG_MAX;
return state;
}
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