Prevent integer overflow in copyString
The copyString function is only used for encoding string supplied by
the library user.
@@ -7412,7 +7412,7 @@ getElementType(XML_Parser parser, const ENCODING *enc, const char *ptr,
static XML_Char *
copyString(const XML_Char *s, const XML_Memory_Handling_Suite *memsuite) {
- int charsRequired = 0;
+ size_t charsRequired = 0;
XML_Char *result;
/* First determine how long the string is */
