commit 09150ec45067fe90a5ec86518b89913e6c159ee8
from: Martijn van Duren <martijn@openbsd.org>
date: Wed Mar 30 19:43:55 2022 UTC

osmtpd_ltok_skip_key_h_tag_value should continue working on ptr, not prev

commit - 2b49c69507c75bacfe7059627968cb6485ff36a2
commit + 09150ec45067fe90a5ec86518b89913e6c159ee8
blob - 519d14c7136114d28ad93d4318dde7686e9bf4cd
blob + 1eff63dc407251a127f7f5bc3a53d29ac6dbc556
--- ltok.c
+++ ltok.c
@@ -1648,7 +1648,7 @@ osmtpd_ltok_skip_key_h_tag_value(const char *ptr, int 
 {
 	const char *prev = ptr;
 
-	if ((prev = osmtpd_ltok_skip_key_h_tag_alg(ptr, 0)) == NULL)
+	if ((ptr = osmtpd_ltok_skip_key_h_tag_alg(ptr, 0)) == NULL)
 		return optional ? prev : NULL;
 	while (1) {
 		prev = ptr;