I'm not sure if this is the cleanest fix for the issue, but it seems to
work for me.
In random.c the taviso() routine uses "rand() % rand()" which
can cause a floating point exception if rand() returns 0.
Add some tests to make sure that doesn't happen.
Signed-off-by: Vince Weaver <vincent.weaver@xxxxxxxxx>
diff --git a/random.c b/random.c
index 7def9ff..a71fcea 100644
--- a/random.c
+++ b/random.c
@@ -42,6 +42,7 @@ static unsigned long randbits(int limit)
static unsigned long taviso(void)
{
unsigned long r = 0;
+ unsigned long temp;
switch (rand() % 4) {
case 0: r = rand() & rand();
@@ -51,10 +52,14 @@ static unsigned long taviso(void)
#endif
break;
- case 1: r = rand() % rand();
+ case 1: temp = rand();
+ r = rand();
+ if (!temp) r %= temp;
#if __WORDSIZE == 64
r <<= 32;
- r |= rand() % rand();
+
+ temp = rand();
+ if (!temp) r |= rand() % temp;
#endif
break;
--
To unsubscribe from this list: send the line "unsubscribe trinity" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
