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-rw-r--r--src/lib/libc/stdlib/rand.c24
1 files changed, 15 insertions, 9 deletions
diff --git a/src/lib/libc/stdlib/rand.c b/src/lib/libc/stdlib/rand.c
index 361d473448..d58d040ad5 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 +28,34 @@
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";*/ 31static char *rcsid = "$OpenBSD: rand.c,v 1.7 2003/06/02 20:18:38 millert Exp $";
36static char *rcsid = "$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
42static u_long next = 1; 37static u_int next = 1;
38
39int
40rand_r(seed)
41u_int *seed;
42{
43
44 *seed = *seed * 1103515245 + 12345;
45 return (*seed % ((u_int)RAND_MAX + 1));
46}
43 47
44int 48int
45rand() 49rand()
46{ 50{
47 return ((next = next * 1103515245 + 12345) % ((u_int)RAND_MAX + 1)); 51
52 return (rand_r(&next));
48} 53}
49 54
50void 55void
51srand(seed) 56srand(seed)
52u_int seed; 57u_int seed;
53{ 58{
59
54 next = seed; 60 next = seed;
55} 61}