diff options
Diffstat (limited to 'src/lib/libc/stdlib/rand.c')
| -rw-r--r-- | src/lib/libc/stdlib/rand.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/src/lib/libc/stdlib/rand.c b/src/lib/libc/stdlib/rand.c index 361d473448..6b27ad46d3 100644 --- a/src/lib/libc/stdlib/rand.c +++ b/src/lib/libc/stdlib/rand.c | |||
| @@ -10,11 +10,7 @@ | |||
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the | 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. | 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * 3. All advertising materials mentioning features or use of this software | 13 | * 3. Neither the name of the University nor the names of its contributors |
| 14 | * must display the following acknowledgement: | ||
| 15 | * This product includes software developed by the University of | ||
| 16 | * California, Berkeley and its contributors. | ||
| 17 | * 4. Neither the name of the University nor the names of its contributors | ||
| 18 | * may be used to endorse or promote products derived from this software | 14 | * may be used to endorse or promote products derived from this software |
| 19 | * without specific prior written permission. | 15 | * without specific prior written permission. |
| 20 | * | 16 | * |
| @@ -32,24 +28,29 @@ | |||
| 32 | */ | 28 | */ |
| 33 | 29 | ||
| 34 | #if defined(LIBC_SCCS) && !defined(lint) | 30 | #if defined(LIBC_SCCS) && !defined(lint) |
| 35 | /*static char *sccsid = "from: @(#)rand.c 5.6 (Berkeley) 6/24/91";*/ | 31 | static char *rcsid = "$OpenBSD: rand.c,v 1.8 2005/03/30 18:51:49 pat Exp $"; |
| 36 | static char *rcsid = "$Id: rand.c,v 1.1.1.1 1995/10/18 08:42:19 deraadt Exp $"; | ||
| 37 | #endif /* LIBC_SCCS and not lint */ | 32 | #endif /* LIBC_SCCS and not lint */ |
| 38 | 33 | ||
| 39 | #include <sys/types.h> | 34 | #include <sys/types.h> |
| 40 | #include <stdlib.h> | 35 | #include <stdlib.h> |
| 41 | 36 | ||
| 42 | static u_long next = 1; | 37 | static u_int next = 1; |
| 43 | 38 | ||
| 44 | int | 39 | int |
| 45 | rand() | 40 | rand_r(u_int *seed) |
| 46 | { | 41 | { |
| 47 | return ((next = next * 1103515245 + 12345) % ((u_int)RAND_MAX + 1)); | 42 | *seed = *seed * 1103515245 + 12345; |
| 43 | return (*seed % ((u_int)RAND_MAX + 1)); | ||
| 44 | } | ||
| 45 | |||
| 46 | int | ||
| 47 | rand(void) | ||
| 48 | { | ||
| 49 | return (rand_r(&next)); | ||
| 48 | } | 50 | } |
| 49 | 51 | ||
| 50 | void | 52 | void |
| 51 | srand(seed) | 53 | srand(u_int seed) |
| 52 | u_int seed; | ||
| 53 | { | 54 | { |
| 54 | next = seed; | 55 | next = seed; |
| 55 | } | 56 | } |
