summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorCarl Worth <cworth@cworth.org>2010-07-19 18:02:12 -0700
committerCarl Worth <cworth@cworth.org>2010-07-20 14:30:47 -0700
commita2a6e63e6fd0d1feb2af7af79404860ab92c47de (patch)
treef9be889357ea91dcf71471eff111e131d29ab331
parentd977c98365b4501ebadc0811928b78481e432440 (diff)
glcpp: Fix use-after-free error from #undef directive.
By taking advantage of the recently-added hash_table_remove function. With this change, all existing tests are now valgrind-clean.
-rw-r--r--src/glsl/glcpp/glcpp-parse.y5
1 files changed, 1 insertions, 4 deletions
diff --git a/src/glsl/glcpp/glcpp-parse.y b/src/glsl/glcpp/glcpp-parse.y
index e5544fe29b..a2b54eff50 100644
--- a/src/glsl/glcpp/glcpp-parse.y
+++ b/src/glsl/glcpp/glcpp-parse.y
@@ -202,10 +202,7 @@ control_line:
| HASH_UNDEF IDENTIFIER NEWLINE {
macro_t *macro = hash_table_find (parser->defines, $2);
if (macro) {
- /* XXX: Need hash table to support a real way
- * to remove an element rather than prefixing
- * a new node with data of NULL like this. */
- hash_table_insert (parser->defines, NULL, $2);
+ hash_table_remove (parser->defines, $2);
talloc_free (macro);
}
talloc_free ($2);