* io/format.c (parse_format): Set limit on size of format strings that
will be cached.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@155939
138bc75d-0d04-0410-961f-
82ee72b054a4
+2010-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
+
+ * io/format.c (parse_format): Set limit on size of format strings that
+ will be cached.
+
2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* configure: Regenerate.
/* parse_format()-- Parse a format string. */
+#define FORMAT_CACHE_STRING_LIMIT 256
+
void
parse_format (st_parameter_dt *dtp)
{
format_data *fmt;
bool format_cache_ok;
- format_cache_ok = !is_internal_unit (dtp);
+ /* Don't cache for internal units and set an arbitrary limit on the size of
+ format strings we will cache. (Avoids memory issues.) */
+ format_cache_ok = !is_internal_unit (dtp)
+ && (dtp->format_len < FORMAT_CACHE_STRING_LIMIT );
/* Lookup format string to see if it has already been parsed. */
if (format_cache_ok)