felipe                                   Thu, 01 Jul 2010 19:11:01 +0000

Revision: http://svn.php.net/viewvc?view=revision&revision=300917

Log:
- Fixed a possible memory corruption in strchr(), strstr().
- MFH: Fixed a possible memory corruption in substr_replace() (Dmitry)

Changed paths:
    U   php/php-src/branches/PHP_5_2/ext/standard/string.c

Modified: php/php-src/branches/PHP_5_2/ext/standard/string.c
===================================================================
--- php/php-src/branches/PHP_5_2/ext/standard/string.c  2010-07-01 18:43:52 UTC 
(rev 300916)
+++ php/php-src/branches/PHP_5_2/ext/standard/string.c  2010-07-01 19:11:01 UTC 
(rev 300917)
@@ -1766,6 +1766,9 @@
                WRONG_PARAM_COUNT;
        }

+       if (PZVAL_IS_REF(*haystack)) {
+               SEPARATE_ZVAL(haystack);
+       }
        convert_to_string_ex(haystack);

        if (Z_TYPE_PP(needle) == IS_STRING) {
@@ -2341,12 +2344,21 @@
        }

        if (Z_TYPE_PP(str) != IS_ARRAY) {
+               if (PZVAL_IS_REF(*str)) {
+                       SEPARATE_ZVAL(str);
+               }
                convert_to_string_ex(str);
        }
        if (Z_TYPE_PP(repl) != IS_ARRAY) {
+               if (PZVAL_IS_REF(*repl)) {
+                       SEPARATE_ZVAL(repl);
+               }
                convert_to_string_ex(repl);
        }
        if (Z_TYPE_PP(from) != IS_ARRAY) {
+               if (PZVAL_IS_REF(*from)) {
+                       SEPARATE_ZVAL(from);
+               }
                convert_to_long_ex(from);
        }


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