diff options
Diffstat (limited to 'lib/libc/stdlib/rand.c')
| -rw-r--r-- | lib/libc/stdlib/rand.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/libc/stdlib/rand.c b/lib/libc/stdlib/rand.c index 47bb36d..dcc445f 100644 --- a/lib/libc/stdlib/rand.c +++ b/lib/libc/stdlib/rand.c @@ -51,6 +51,8 @@ __FBSDID("$FreeBSD$"); #include <stdio.h> #endif /* TEST */ +#define NSHUFF 100 /* to drop part of seed -> 1st value correlation */ + static int do_rand(unsigned long *ctx) { @@ -108,7 +110,11 @@ void srand(seed) u_int seed; { + int i; + next = seed; + for (i = 0; i < NSHUFF; i++) + (void)do_rand(&next); } @@ -137,7 +143,7 @@ sranddev() unsigned long junk; gettimeofday(&tv, NULL); - next = (getpid() << 16) ^ tv.tv_sec ^ tv.tv_usec ^ junk; + srand((getpid() << 16) ^ tv.tv_sec ^ tv.tv_usec ^ junk); } } |
