From 685fcb4eb4449b1cf3347af40c153525443db8cc Mon Sep 17 00:00:00 2001
From: Brendan Cully <brendan@kublai.com>
Date: Tue, 6 Sep 2005 01:46:46 +0000
Subject: [PATCH] Fix a memory leak in imap_utf7_decode and do a little cleanup
 on shutdown. Get a high five from valgrind.

---
 imap/utf7.c |  6 +++++-
 init.c      | 42 ++++++++++++++++++++++++++++++++++++++++++
 main.c      |  1 +
 protos.h    |  1 +
 4 files changed, 49 insertions(+), 1 deletion(-)

diff --git a/imap/utf7.c b/imap/utf7.c
index b5b871c82..29564fb2a 100644
--- a/imap/utf7.c
+++ b/imap/utf7.c
@@ -258,7 +258,11 @@ void imap_utf7_encode (char **s)
   {
     char *t = safe_strdup (*s);
     if (!mutt_convert_string (&t, Charset, "UTF-8", 0))
-      utf8_to_utf7 (t, strlen (t), s, 0);
+    {
+      char *u7 = utf8_to_utf7 (t, strlen (t), NULL, 0);
+      FREE (s);
+      *s = u7;
+    }
     FREE (&t);
   }
 }
diff --git a/init.c b/init.c
index 35ef161e7..3d48ddd96 100644
--- a/init.c
+++ b/init.c
@@ -289,6 +289,48 @@ int mutt_extract_token (BUFFER *dest, BUFFER *tok, int flags)
   return 0;
 }
 
+static void mutt_free_opt (struct option_t* p)
+{
+  REGEXP* pp;
+
+  switch (p->type & DT_MASK)
+  {
+  case DT_ADDR:
+    rfc822_free_address ((ADDRESS**)p->data);
+    break;
+  case DT_RX:
+    pp = (REGEXP*)p->data;
+    FREE (&pp->pattern);
+    if (pp->rx)
+    {
+      regfree (pp->rx);
+      FREE (&pp->rx);
+    }
+    break;
+  case DT_PATH:
+  case DT_STR:
+    FREE ((char**)p->data);
+    break;
+  }
+}
+
+/* clean up before quitting */
+void mutt_free_opts (void)
+{
+  int i;
+
+  for (i = 0; MuttVars[i].option; i++)
+    mutt_free_opt (MuttVars + i);
+
+  mutt_free_rx_list (&Alternates);
+  mutt_free_rx_list (&UnAlternates);
+  mutt_free_rx_list (&MailLists);
+  mutt_free_rx_list (&UnMailLists);
+  mutt_free_rx_list (&SubscribedLists);
+  mutt_free_rx_list (&UnSubscribedLists);
+  mutt_free_rx_list (&NoSpamList);
+}
+
 static void add_to_list (LIST **list, const char *str)
 {
   LIST *t, *last = NULL;
diff --git a/main.c b/main.c
index b6d46f677..774f88b92 100644
--- a/main.c
+++ b/main.c
@@ -958,6 +958,7 @@ int main (int argc, char **argv)
 #ifdef USE_SASL
     mutt_sasl_done ();
 #endif
+    mutt_free_opts ();
     mutt_endwin (Errorbuf);
   }
 
diff --git a/protos.h b/protos.h
index 3f75fd6ee..2ce8253c1 100644
--- a/protos.h
+++ b/protos.h
@@ -42,6 +42,7 @@ void mutt_buffer_free(BUFFER **);
 void mutt_buffer_add (BUFFER*, const char*, size_t);
 void mutt_buffer_addstr (BUFFER*, const char*);
 void mutt_buffer_addch (BUFFER*, char);
+void mutt_free_opts (void);
 
 #define mutt_system(x) _mutt_system(x,0)
 int _mutt_system (const char *, int);
-- 
2.40.0