gentoo-overlay/dev-db/mysql-connector-c/files/mysql-connector-c-8.0.21-survive-malformed-charset-files.patch

Description: don't crash on malformed charset files
Origin: https://bugs.launchpad.net/ubuntu/+source/mysql-8.0/+bug/1877504/comments/19
Bug: https://bugs.launchpad.net/ubuntu/+source/mysql-8.0/+bug/1884809
Bug: https://bugs.gentoo.org/737002
Forwarded: workaround, not needed

--- a/mysys/charset.cc
+++ b/mysys/charset.cc
@@ -922,7 +922,7 @@ size_t escape_quotes_for_mysql(CHARSET_I
 
 void charset_uninit() {
   for (CHARSET_INFO *cs : all_charsets) {
-    if (cs && cs->coll->uninit) {
+    if (cs && cs->coll && cs->coll->uninit) {
       cs->coll->uninit(cs);
     }
   }