diff options
Diffstat (limited to 'src/lib/libc/stdlib/seed48.c')
| -rw-r--r-- | src/lib/libc/stdlib/seed48.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/lib/libc/stdlib/seed48.c b/src/lib/libc/stdlib/seed48.c new file mode 100644 index 0000000000..583262f2d5 --- /dev/null +++ b/src/lib/libc/stdlib/seed48.c | |||
| @@ -0,0 +1,37 @@ | |||
| 1 | /* $OpenBSD: seed48.c,v 1.3 2005/08/08 08:05:37 espie Exp $ */ | ||
| 2 | /* | ||
| 3 | * Copyright (c) 1993 Martin Birgmeier | ||
| 4 | * All rights reserved. | ||
| 5 | * | ||
| 6 | * You may redistribute unmodified or modified versions of this source | ||
| 7 | * code provided that the above copyright notice and this and the | ||
| 8 | * following conditions are retained. | ||
| 9 | * | ||
| 10 | * This software is provided ``as is'', and comes with no warranties | ||
| 11 | * of any kind. I shall in no event be liable for anything that happens | ||
| 12 | * to anyone/anything when using this software. | ||
| 13 | */ | ||
| 14 | |||
| 15 | #include "rand48.h" | ||
| 16 | |||
| 17 | extern unsigned short __rand48_seed[3]; | ||
| 18 | extern unsigned short __rand48_mult[3]; | ||
| 19 | extern unsigned short __rand48_add; | ||
| 20 | |||
| 21 | unsigned short * | ||
| 22 | seed48(unsigned short xseed[3]) | ||
| 23 | { | ||
| 24 | static unsigned short sseed[3]; | ||
| 25 | |||
| 26 | sseed[0] = __rand48_seed[0]; | ||
| 27 | sseed[1] = __rand48_seed[1]; | ||
| 28 | sseed[2] = __rand48_seed[2]; | ||
| 29 | __rand48_seed[0] = xseed[0]; | ||
| 30 | __rand48_seed[1] = xseed[1]; | ||
| 31 | __rand48_seed[2] = xseed[2]; | ||
| 32 | __rand48_mult[0] = RAND48_MULT_0; | ||
| 33 | __rand48_mult[1] = RAND48_MULT_1; | ||
| 34 | __rand48_mult[2] = RAND48_MULT_2; | ||
| 35 | __rand48_add = RAND48_ADD; | ||
| 36 | return sseed; | ||
| 37 | } | ||
