commit d7c5c52a1f832ce23c2e712268e50bf0f3e27827
from: Omar Polo <op@omarpolo.com>
date: Thu Apr 13 21:46:22 2023 UTC

properly initialize the `lang' buffer

otherwise we end up using stack garbage when the gemini server
doesn't send a `lang' attribute.

Problem reported by Javier Bravo, thanks!

commit - 18dd48e6a49e1aeaad382ca2027c3ed34b9ed845
commit + d7c5c52a1f832ce23c2e712268e50bf0f3e27827
blob - e66f1f0a40e889b1640c55cd0fc138bf246ff1f7
blob + e68c29ebb94b7838ee92572d741ba5903e4c35fe
--- proxy.c
+++ proxy.c
@@ -675,6 +675,8 @@ static inline int
 parse_mime(struct client *clt, char *mime, char *lang, size_t len)
 {
 	char			*t, *semi;
+
+	memset(lang, 0, len);
 
 	if (strncmp(mime, "text/gemini", 11) != 0)
 		return (0);