[commit] master: make free_*_messages() loops less obfuscated

[Oswald B. <os...@us...>]

commit b9f0162642e270d5ebac1021cdac1b1a9fc3dc24
Author: Oswald Buddenhagen <os...@us...>
Date:   Thu Jun 2 18:42:07 2022 +0200

    make free_*_messages() loops less obfuscated
    
    notably, free_maildir_messages() had a dead assignment.

 src/driver.c      | 7 +++----
 src/drv_maildir.c | 5 +++--
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/driver.c b/src/driver.c
index 6eabb9b3..31066bb3 100644
--- a/src/driver.c
+++ b/src/driver.c
@@ -24,12 +24,11 @@ count_generic_messages( message_t *msgs )
 void
 free_generic_messages( message_t *msgs )
 {
-	message_t *tmsg;
-
-	for (; msgs; msgs = tmsg) {
-		tmsg = msgs->next;
+	while (msgs) {
+		message_t *tmsg = msgs->next;
 		free( msgs->msgid );
 		free( msgs );
+		msgs = tmsg;
 	}
 }
 
diff --git a/src/drv_maildir.c b/src/drv_maildir.c
index 0dce555e..8514d3c2 100644
--- a/src/drv_maildir.c
+++ b/src/drv_maildir.c
@@ -251,11 +251,12 @@ maildir_connect_store( store_t *gctx,
 static void
 free_maildir_messages( maildir_message_t *msg )
 {
-	for (maildir_message_t *tmsg; (tmsg = msg); msg = tmsg) {
-		tmsg = msg->next;
+	while (msg) {
+		maildir_message_t *tmsg = msg->next;
 		free( msg->base );
 		free( msg->msgid );
 		free( msg );
+		msg = tmsg;
 	}
 }