String handling: refactor the expanding-string routines and users to use a descriptor...

[exim.git] / src / src / routers / redirect.c

diff --git a/src/src/routers/redirect.c b/src/src/routers/redirect.c
index 9923af58514af31cbc369b69fc412c99ee4d4b19..5b6a08818f811a65d3d7050e1276e1f9d3de777a 100644 (file)
--- a/src/src/routers/redirect.c
+++ b/src/src/routers/redirect.c
@@ -223,11 +223,11 @@ than false, there is likely to be a problem. */
 if (ob->one_time)
   {
   ob->forbid_pipe = ob->forbid_file = ob->forbid_filter_reply = TRUE;
-  if (rblock->extra_headers != NULL || rblock->remove_headers != NULL)
+  if (rblock->extra_headers || rblock->remove_headers)
     log_write(0, LOG_PANIC_DIE|LOG_CONFIG_FOR, "%s router:\n  "
       "\"headers_add\" and \"headers_remove\" are not permitted with "
       "\"one_time\"", rblock->name);
-  if (rblock->unseen || rblock->expand_unseen != NULL)
+  if (rblock->unseen || rblock->expand_unseen)
     log_write(0, LOG_PANIC_DIE|LOG_CONFIG_FOR, "%s router:\n  "
       "\"unseen\" may not be used with \"one_time\"", rblock->name);
   }
@@ -239,7 +239,7 @@ or if owngroups is set. */
 
 if (ob->check_owner == TRUE_UNSET)
   ob->check_owner = rblock->check_local_user ||
-                    (ob->owners != NULL && ob->owners[0] != 0);
+                    (ob->owners && ob->owners[0] != 0);
 
 if (ob->check_group == TRUE_UNSET)
   ob->check_group = (rblock->check_local_user && (ob->modemask & 020) == 0) ||
@@ -247,7 +247,7 @@ if (ob->check_group == TRUE_UNSET)
 
 /* If explicit qualify domain set, the preserve option is locked out */
 
-if (ob->qualify_domain != NULL && ob->qualify_preserve_domain)
+if (ob->qualify_domain && ob->qualify_preserve_domain)
   log_write(0, LOG_PANIC_DIE|LOG_CONFIG_FOR, "%s router:\n  "
     "only one of \"qualify_domain\" or \"qualify_preserve_domain\" must be set",
     rblock->name);