diff options
| -rw-r--r-- | ext/standard/random.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/standard/random.c b/ext/standard/random.c index 12c25031d8..4a1adbfb02 100644 --- a/ext/standard/random.c +++ b/ext/standard/random.c @@ -182,7 +182,7 @@ PHP_FUNCTION(random_int) umax++; /* Powers of two are not biased */ - if ((umax & ~umax) != umax) { + if ((umax & (umax - 1)) != 0) { /* Ceiling under which ZEND_LONG_MAX % max == 0 */ zend_ulong limit = ZEND_ULONG_MAX - (ZEND_ULONG_MAX % umax) - 1; |