diff options
| -rw-r--r-- | ext/standard/math.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/ext/standard/math.c b/ext/standard/math.c index 8285edeeda..ed367823ed 100644 --- a/ext/standard/math.c +++ b/ext/standard/math.c @@ -929,9 +929,10 @@ PHPAPI zend_string * _php_math_longtobase(zval *arg, int base) *ptr = '\0'; do { + ZEND_ASSERT(ptr > buf); *--ptr = digits[value % base]; value /= base; - } while (ptr > buf && value); + } while (value); return zend_string_init(ptr, end - ptr, 0); } |