From: Antony Dovgal <tony2001@php.net>
Date: Wed, 18 Apr 2007 20:36:47 +0000 (+0000)
Subject: do not allow negative byte index
X-Git-Tag: RELEASE_1_2_0~279
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=93ca92457cf8ba8ee86508c3748b57ea021409cd;p=php

do not allow negative byte index
tests will follow soon
---

diff --git a/ext/gmp/gmp.c b/ext/gmp/gmp.c
index 9798578eab..68ce034547 100644
--- a/ext/gmp/gmp.c
+++ b/ext/gmp/gmp.c
@@ -1492,6 +1492,11 @@ ZEND_FUNCTION(gmp_setbit)
 			break;
 	}
 
+	if (index < 0) {
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Index must be greater than or equal to zero");
+		return;
+	}
+
 	if (set) {
 		mpz_setbit(*gmpnum_a, index);
 	} else {
@@ -1516,6 +1521,11 @@ ZEND_FUNCTION(gmp_clrbit)
 
 	convert_to_long_ex(ind_arg);
 	index = Z_LVAL_PP(ind_arg);
+	
+	if (index < 0) {
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Index must be greater than or equal to zero");
+		return;
+	}
 
 	mpz_clrbit(*gmpnum_a, index);
 }