diff options
Diffstat (limited to 'libc/stdlib/seed48.c')
| -rw-r--r-- | libc/stdlib/seed48.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/libc/stdlib/seed48.c b/libc/stdlib/seed48.c new file mode 100644 index 0000000..afd5f54 --- /dev/null +++ b/libc/stdlib/seed48.c @@ -0,0 +1,37 @@ +/* $OpenBSD: seed48.c,v 1.3 2005/08/08 08:05:37 espie Exp $ */ +/* + * Copyright (c) 1993 Martin Birgmeier + * All rights reserved. + * + * You may redistribute unmodified or modified versions of this source + * code provided that the above copyright notice and this and the + * following conditions are retained. + * + * This software is provided ``as is'', and comes with no warranties + * of any kind. I shall in no event be liable for anything that happens + * to anyone/anything when using this software. + */ + +#include "rand48.h" + +extern unsigned short __rand48_seed[3]; +extern unsigned short __rand48_mult[3]; +extern unsigned short __rand48_add; + +unsigned short * +seed48(unsigned short xseed[3]) +{ + static unsigned short sseed[3]; + + sseed[0] = __rand48_seed[0]; + sseed[1] = __rand48_seed[1]; + sseed[2] = __rand48_seed[2]; + __rand48_seed[0] = xseed[0]; + __rand48_seed[1] = xseed[1]; + __rand48_seed[2] = xseed[2]; + __rand48_mult[0] = RAND48_MULT_0; + __rand48_mult[1] = RAND48_MULT_1; + __rand48_mult[2] = RAND48_MULT_2; + __rand48_add = RAND48_ADD; + return sseed; +} |