Copyright updates:

[exim.git] / src / src / filter.c

diff --git a/src/src/filter.c b/src/src/filter.c
index 98b6bc3e84a72c57cb5987d036ba213f98fa2b15..5fc76a21ea3d71c43205bde9c9b3aeb84a8f3011 100644 (file)
--- a/src/src/filter.c
+++ b/src/src/filter.c
@@ -3,6 +3,7 @@
 *************************************************/
 
 /* Copyright (c) University of Cambridge 1995 - 2018 */
+/* Copyright (c) The Exim Maintainers 2020 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 
@@ -1510,7 +1511,7 @@ switch (c->type)
       parse_extract_address(pp, &error, &start, &end, &domain, FALSE);
     *p = saveend;
 
-    if (filter_thisaddress != NULL)
+    if (filter_thisaddress)
       {
       if ((filter_test != FTEST_NONE && debug_selector != 0) ||
           (debug_selector & D_filter) != 0)
@@ -1747,11 +1748,11 @@ while (commands)
          uschar *error;
          uschar *ss = parse_extract_address(s, &error, &start, &end, &domain,
            FALSE);
-         if (ss != NULL)
-           expargs[i] = ((filter_options & RDO_REWRITE) != 0)?
-             rewrite_address(ss, TRUE, FALSE, global_rewrite_rules,
-               rewrite_existflags) :
-             rewrite_address_qualify(ss, TRUE);
+         if (ss)
+           expargs[i] = filter_options & RDO_REWRITE
+             ? rewrite_address(ss, TRUE, FALSE, global_rewrite_rules,
+                               rewrite_existflags)
+             : rewrite_address_qualify(ss, TRUE);
          else
            {
            *error_pointer = string_sprintf("malformed address \"%s\" in "
@@ -2386,12 +2387,11 @@ Previously the test was for "auto-". */
 
 for (h = header_list; h; h = h->next)
   {
-  uschar *s;
   if (h->type == htype_old) continue;
 
   if (strncmpic(h->text, US"List-", 5) == 0)
     {
-    s = h->text + 5;
+    uschar * s = h->text + 5;
     if (strncmpic(s, US"Id:", 3) == 0 ||
         strncmpic(s, US"Help:", 5) == 0 ||
         strncmpic(s, US"Subscribe:", 10) == 0 ||
@@ -2404,12 +2404,12 @@ for (h = header_list; h; h = h->next)
 
   else if (strncmpic(h->text, US"Auto-submitted:", 15) == 0)
     {
-    s = h->text + 15;
-    while (isspace(*s)) s++;
+    uschar * s = h->text + 15;
+    Uskip_whitespace(&s);
     if (strncmpic(s, US"no", 2) != 0) return FALSE;
     s += 2;
-    while (isspace(*s)) s++;
-    if (*s != 0) return FALSE;
+    Uskip_whitespace(&s);
+    if (*s) return FALSE;
     }
   }
 
@@ -2422,13 +2422,13 @@ self_to   = rewrite_one(self, rewrite_to, NULL, FALSE, US"",
   global_rewrite_rules);
 
 
-if (self_from == NULL) self_from = self;
-if (self_to == NULL) self_to = self;
+if (!self_from) self_from = self;
+if (self_to) self_to = self;
 
 /* If there's a prefix or suffix set, we must include the prefixed/
 suffixed version of the local part in the tests. */
 
-if (deliver_localpart_prefix != NULL || deliver_localpart_suffix != NULL)
+if (deliver_localpart_prefix || deliver_localpart_suffix)
   {
   psself = string_sprintf("%s%s%s@%s",
     (deliver_localpart_prefix == NULL)? US"" : deliver_localpart_prefix,