format.c (parse_format): Set limit on size of format strings that will be cached.

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.

From-SVN: r155939
This commit is contained in:
Jerry DeLisle 2010-01-15 15:52:28 +00:00
parent 1b8b9e1988
commit 601aa68fd9
2 changed files with 11 additions and 1 deletions

View File

@ -1,3 +1,8 @@
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.

View File

@ -1212,13 +1212,18 @@ revert (st_parameter_dt *dtp)
/* 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)