diff options
| -rw-r--r-- | sys/libkern/random.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/libkern/random.c b/sys/libkern/random.c index 35ddea1..1145a84 100644 --- a/sys/libkern/random.c +++ b/sys/libkern/random.c @@ -61,11 +61,13 @@ random() * Park and Miller, Communications of the ACM, vol. 31, no. 10, * October 1988, p. 1195. */ - x = randseed; + /* Can't be initialized with 0, so use another value. */ + if ((x = randseed) == 0) + x = 123459876; hi = x / 127773; lo = x % 127773; t = 16807 * lo - 2836 * hi; - if (t <= 0) + if (t < 0) t += 0x7fffffff; randseed = t; return (t); |
