commit 7ef6ceef43f5c7b50cacd03c8026578dcac72e63
from: Omar Polo <op@omarpolo.com>
date: Thu May 19 07:48:49 2022 UTC

fix possible NULL deref on gophermap' serialize_link

it's just a typo: instead of looking for the end of the string pointed
by path, if look for the end of uri.  reached that point, path is NULL.

reported by a gcc 11 warning: "argument 1 null where non-null expected"

commit - 4aadc3984f253a733f0748c14b3f2644b50be4a4
commit + 7ef6ceef43f5c7b50cacd03c8026578dcac72e63
blob - c83b714cad0ef63cb34b5680ccd33f0595d0ca81
blob + b20293aeda9f07ba732badc4c7c7e684e05acd4b
--- parser/parser_gophermap.c
+++ parser/parser_gophermap.c
@@ -245,7 +245,7 @@ serialize_link(struct line *line, const char *text, FI
 
 	if ((endhost = colon) == NULL &&
 	    (endhost = path) == NULL)
-		endhost = strchr(path, '\0');
+		endhost = strchr(uri, '\0');
 
 	if (colon != NULL) {
 		for (port = colon+1; *port && *port != '/'; ++port)