For some combinations of variable sizes and RAND_MAX value rand_r()

may store less amount bits for seed, than available. Fix it.

1 files changed, 4 insertions, 2 deletions

diff --git a/lib/libc/stdlib/rand.c b/lib/libc/stdlib/rand.c
index 23cc201..5b81da2 100644
--- a/lib/libc/stdlib/rand.c
+++ b/lib/libc/stdlib/rand.c
@@ -86,8 +86,10 @@ int
 rand_r(unsigned int *ctx)
 {
 	u_long val = (u_long) *ctx;
-	*ctx = do_rand(&val);
-	return (int) *ctx;
+	int r = do_rand(&val);
+
+	*ctx = (unsigned int) val;
+	return (r);
 }