From: Ilia Alshanetsky <iliaa@php.net>
Date: Mon, 9 Feb 2004 04:27:35 +0000 (+0000)
Subject: Fixed bug #27172 (Possible floating point exception in gmp_powm()).
X-Git-Tag: php-5.0.0b4RC1~82
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0e5020fdad1b34a7e34f291c66ffb02ef0558883;p=php

Fixed bug #27172 (Possible floating point exception in gmp_powm()).
---

diff --git a/ext/gmp/gmp.c b/ext/gmp/gmp.c
index 5781da4e0e..1096b1f8e6 100644
--- a/ext/gmp/gmp.c
+++ b/ext/gmp/gmp.c
@@ -825,6 +825,11 @@ ZEND_FUNCTION(gmp_powm)
 		WRONG_PARAM_COUNT;
 	}
 
+	convert_to_long_ex(mod_arg);
+	if (!Z_LVAL_PP(mod_arg)) {
+		RETURN_FALSE;
+	}
+
 	FETCH_GMP_ZVAL(gmpnum_base, base_arg);
 
 	if (Z_TYPE_PP(exp_arg) == IS_LONG && Z_LVAL_PP(exp_arg) >= 0) {