Make maildir_use_size_file expandable.

[exim.git] / src / src / transports / appendfile.c

diff --git a/src/src/transports/appendfile.c b/src/src/transports/appendfile.c
index 6dbb352629dd511f114526327a3907f147a846a3..11c59bb0b96b1d1c93088def9cc2ce7be3efa38f 100644 (file)
--- a/src/src/transports/appendfile.c
+++ b/src/src/transports/appendfile.c
@@ -1,5 +1,3 @@
-/* $Cambridge: exim/src/src/transports/appendfile.c,v 1.27 2010/06/07 00:12:42 pdp Exp $ */
-
 /*************************************************
 *     Exim - an Internet mail transport agent    *
 *************************************************/
@@ -21,7 +19,7 @@ supported only if SUPPORT_MBX is set. */
 
 enum { mbf_unix, mbf_mbx, mbf_smail, mbf_maildir, mbf_mailstore };
 
-static char *mailbox_formats[] = {
+static const char *mailbox_formats[] = {
   "unix", "mbx", "smail", "maildir", "mailstore" };
 
 
@@ -38,6 +36,10 @@ stored in the publicly visible instance block - these are flagged with the
 opt_public flag. */
 
 optionlist appendfile_transport_options[] = {
+#ifdef SUPPORT_MAILDIR
+  { "*expand_maildir_use_size_file", opt_stringptr,
+      (void *)offsetof(appendfile_transport_options_block, expand_maildir_use_size_file) },
+#endif
   { "*set_use_fcntl_lock",opt_bool | opt_hidden,
       (void *)offsetof(appendfile_transport_options_block, set_use_fcntl) },
   { "*set_use_flock_lock",opt_bool | opt_hidden,
@@ -105,7 +107,7 @@ optionlist appendfile_transport_options[] = {
       (void *)offsetof(appendfile_transport_options_block, maildir_retries) },
   { "maildir_tag",       opt_stringptr,
       (void *)offsetof(appendfile_transport_options_block, maildir_tag) },
-  { "maildir_use_size_file", opt_bool,
+  { "maildir_use_size_file", opt_expand_bool,
       (void *)offsetof(appendfile_transport_options_block, maildir_use_size_file ) } ,
   { "maildirfolder_create_regex", opt_stringptr,
       (void *)offsetof(appendfile_transport_options_block, maildirfolder_create_regex ) },
@@ -184,6 +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 */ 
   US"^(?:cur|new|\\..*)$",  /* maildir_dir_regex */
   NULL,           /* maildir_tag */
   NULL,           /* maildirfolder_create_regex */
@@ -272,6 +275,10 @@ dummy = dummy;
 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, 
+               US"`maildir_use_size_file` in transport", tblock->name);
+
 /* Loop for quota, quota_filecount, quota_warn_threshold, mailbox_size,
 mailbox_filecount */
 
@@ -2419,6 +2426,9 @@ else
           "%s/maildirsize", check_path);
         return FALSE;
         }
+      /* can also return -2, which means that the file was removed because of
+      raciness; but in this case, the size & filecount will still have been
+      updated. */
 
       if (mailbox_size < 0) mailbox_size = size;
       if (mailbox_filecount < 0) mailbox_filecount = filecount;
@@ -2918,7 +2928,8 @@ if (!disable_quota)
   if (yield == OK && maildirsize_fd >= 0)
     maildir_record_length(maildirsize_fd, message_size);
   maildir_save_errno = errno;    /* Preserve errno while closing the file */
-  (void)close(maildirsize_fd);
+  if (maildirsize_fd >= 0)
+    (void)close(maildirsize_fd);
   errno = maildir_save_errno;
   }
 #endif  /* SUPPORT_MAILDIR */