From: Thomas Roessler <roessler@does-not-exist.org>
Date: Wed, 12 Nov 2003 11:40:27 +0000 (+0000)
Subject: Fix dangling pointer problems in threading code.  Noted and tracked
X-Git-Tag: mutt-1-5-6-rel~77
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7d0395fbe0a548451ffbe86ed9ff15f26e3900aa;p=mutt

Fix dangling pointer problems in threading code.  Noted and tracked
down by q4xk3j002@sneakemail.com who also provided the initial fix.
---

diff --git a/mh.c b/mh.c
index f3f9fae1..56265b5f 100644
--- a/mh.c
+++ b/mh.c
@@ -1401,7 +1401,9 @@ static void maildir_update_tables (CONTEXT *ctx, int *index_hint)
     if (ctx->hdrs[i]->active)
       ctx->hdrs[i]->index = j++;
   }
+
   mx_update_tables (ctx, 0);
+  mutt_clear_threads (ctx);
 }
 
 static void maildir_update_flags (CONTEXT *ctx, HEADER *o, HEADER *n)
diff --git a/sort.c b/sort.c
index 1ef97e5b..cec5b3c7 100644
--- a/sort.c
+++ b/sort.c
@@ -194,7 +194,7 @@ void mutt_sort_headers (CONTEXT *ctx, int init)
      * in that routine, so we must make sure to zero the vcount member.
      */
     ctx->vcount = 0;
-    ctx->tree = 0;
+    mutt_clear_threads (ctx);
     return; /* nothing to do! */
   }