X-Git-Url: https://git.exim.org/users/jgh/exim.git/blobdiff_plain/d0291a0af2ce1de0be95caad572ca952f3adba87..dc8091e7b9eb80b77699ac59de3f39eedef65c04:/src/src/transports/appendfile.c

diff --git a/src/src/transports/appendfile.c b/src/src/transports/appendfile.c
index d8664be2e..3a53c3d42 100644
--- a/src/src/transports/appendfile.c
+++ b/src/src/transports/appendfile.c
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2009 */
+/* Copyright (c) University of Cambridge 1995 - 2015 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 
@@ -186,7 +186,7 @@ appendfile_transport_options_block appendfile_transport_option_defaults = {
   NULL,           /* quota_warn_threshold */
   NULL,           /* mailbox_size_string */
   NULL,           /* mailbox_filecount_string */
-  NULL,           /* expand_maildir_use_size_file */ 
+  NULL,           /* expand_maildir_use_size_file */
   US"^(?:cur|new|\\..*)$",  /* maildir_dir_regex */
   NULL,           /* maildir_tag */
   NULL,           /* maildirfolder_create_regex */
@@ -276,7 +276,7 @@ uid = uid;
 gid = gid;
 
 if (ob->expand_maildir_use_size_file)
-	ob->maildir_use_size_file = expand_check_condition(ob->expand_maildir_use_size_file, 
+	ob->maildir_use_size_file = expand_check_condition(ob->expand_maildir_use_size_file,
 		US"`maildir_use_size_file` in transport", tblock->name);
 
 /* Loop for quota, quota_filecount, quota_warn_threshold, mailbox_size,
@@ -664,7 +664,7 @@ Returns:       pointer to the required transport, or NULL
 transport_instance *
 check_file_format(int cfd, transport_instance *tblock, address_item *addr)
 {
-uschar *format =
+const uschar *format =
   ((appendfile_transport_options_block *)(tblock->options_block))->file_format;
 uschar data[256];
 int len = read(cfd, data, sizeof(data));
@@ -679,15 +679,16 @@ if (len == 0) return tblock;
 
 /* Search the formats for a match */
 
-while ((s = string_nextinlist(&format,&sep,big_buffer,big_buffer_size))!= NULL)
+while ((s = string_nextinlist(&format,&sep,big_buffer,big_buffer_size)))
   {
   int slen = Ustrlen(s);
   BOOL match = len >= slen && Ustrncmp(data, s, slen) == 0;
   uschar *tp = string_nextinlist(&format, &sep, big_buffer, big_buffer_size);
-  if (match)
+
+  if (match && tp)
     {
     transport_instance *tt;
-    for (tt = transports; tt != NULL; tt = tt->next)
+    for (tt = transports; tt; tt = tt->next)
       if (Ustrcmp(tp, tt->name) == 0)
         {
         DEBUG(D_transport)