From: Edin Kadribasic <edink@php.net>
Date: Tue, 18 Jun 2002 00:04:33 +0000 (+0000)
Subject: Check for +/- infinity in base_convert (bug #14807).
X-Git-Tag: php-4.3.0dev_zend2_alpha2~216
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=fb6bcda13b7a4202c7c2419dc28d8042ed82ebe6;p=php

Check for +/- infinity in base_convert (bug #14807).
---

diff --git a/ext/standard/math.c b/ext/standard/math.c
index 4ca710d235..75eee0dac1 100644
--- a/ext/standard/math.c
+++ b/ext/standard/math.c
@@ -770,6 +770,13 @@ _php_math_zvaltobase(zval *arg, int base)
 		char *ptr, *end;
 		char buf[(sizeof(double) << 3) + 1];
 
+		/* Don't try to convert +/- infinity */
+		if (fvalue == HUGE_VAL || fvalue == -HUGE_VAL) {
+			php_error(E_WARNING, "Number too large in %s() call",
+					  get_active_function_name(TSRMLS_C));
+			return empty_string;
+		}
+
 		end = ptr = buf + sizeof(buf) - 1;
 		*ptr = '\0';