Don't dump core when closing a NULL context. Fixes the "exit from

no-mailbox mode" bug.

1 files changed, 5 insertions, 0 deletions

diff --git a/mx.c b/mx.c
index ddf0d6fc..93c917fe 100644
--- a/mx.c
+++ b/mx.c
@@ -642,6 +642,9 @@ CONTEXT *mx_open_mailbox (const char *path, int flags, CONTEXT *pctx)
 void mx_fastclose_mailbox (CONTEXT *ctx)
 {
   int i;
+
+  if(!ctx) 
+    return;
   
 #ifdef USE_IMAP
   if (ctx->magic == M_IMAP)
@@ -712,6 +715,8 @@ int mx_close_mailbox (CONTEXT *ctx)
   char mbox[_POSIX_PATH_MAX];
   char buf[SHORT_STRING];
 
+  if (!ctx) return 0;
+
   ctx->closing = 1;
 
   if (ctx->readonly || ctx->dontwrite)