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 | } |