X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/72934ba73e5ac5fbd64b56dc684e3371a9651909..bff2d6435aecaf2701ba12c4dd99c7f395953f19:/src/src/match.c

diff --git a/src/src/match.c b/src/src/match.c
index 08ec0eeab..43f5912fd 100644
--- a/src/src/match.c
+++ b/src/src/match.c
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2017 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* Functions for matching strings */
@@ -175,10 +175,9 @@ if (cb->at_is_special && pattern[0] == '@')
 
   if (Ustrcmp(pattern, "@[]") == 0)
     {
-    ip_address_item *ip;
     int slen = Ustrlen(s);
     if (s[0] != '[' && s[slen-1] != ']') return FAIL;
-    for (ip = host_find_interfaces(); ip != NULL; ip = ip->next)
+    for (ip_address_item * ip = host_find_interfaces(); ip; ip = ip->next)
       if (Ustrncmp(ip->address, s+1, slen - 2) == 0
             && ip->address[slen - 2] == 0)
         return OK;
@@ -297,14 +296,13 @@ else if (!mac_islookup(search_type, lookup_querystyle))
 for; partial matching is all handled inside search_find(). Note that there is
 no search_close() because of the caching arrangements. */
 
-handle = search_open(filename, search_type, 0, NULL, NULL);
-if (handle == NULL) log_write(0, LOG_MAIN|LOG_PANIC_DIE, "%s",
-  search_error_message);
+if (!(handle = search_open(filename, search_type, 0, NULL, NULL)))
+  log_write(0, LOG_MAIN|LOG_PANIC_DIE, "%s", search_error_message);
 result = search_find(handle, filename, keyquery, partial, affix, affixlen,
   starflags, &expand_setup);
 
-if (result == NULL) return search_find_defer? DEFER : FAIL;
-if (valueptr != NULL) *valueptr = result;
+if (!result) return f.search_find_defer? DEFER : FAIL;
+if (valueptr) *valueptr = result;
 
 expand_nmax = expand_setup;
 return OK;
@@ -494,7 +492,7 @@ else
 
   if (!list)
     {
-    if (expand_string_forcedfail)
+    if (f.expand_string_forcedfail)
       {
       HDEBUG(D_lists) debug_printf("expansion of \"%s\" forced failure: "
         "assume not in this list\n", *listptr);
@@ -697,8 +695,8 @@ while ((sss = string_nextinlist(&list, &sep, buffer, sizeof(buffer))))
         if (valueptr)
           {
           const uschar *key = get_check_key(arg, type);
-          namedlist_cacheblock *p;
-          for (p = nb->cache_data; p; p = p->next)
+
+          for (namedlist_cacheblock * p = nb->cache_data; p; p = p->next)
             if (Ustrcmp(key, p->key) == 0)
               {
               *valueptr = p->data;
@@ -1066,7 +1064,6 @@ looked up to obtain a list of local parts. If the subject's local part is just
 if (pattern[0] == '@' && pattern[1] == '@')
   {
   int watchdog = 50;
-  const uschar *key;
   uschar *list, *ss;
   uschar buffer[1024];
 
@@ -1075,7 +1072,7 @@ if (pattern[0] == '@' && pattern[1] == '@')
   /* Loop for handling chains. The last item in any list may be of the form
   ">name" in order to chain on to another list. */
 
-  for (key = sdomain + 1; key != NULL && watchdog-- > 0; )
+  for (const uschar * key = sdomain + 1; key && watchdog-- > 0; )
     {
     int sep = 0;
 
@@ -1278,7 +1275,6 @@ match_address_list(const uschar *address, BOOL caseless, BOOL expand,
   const uschar **listptr, unsigned int *cache_bits, int expand_setup, int sep,
   const uschar **valueptr)
 {
-uschar *p;
 check_address_block ab;
 unsigned int *local_cache_bits = cache_bits;
 
@@ -1290,7 +1286,7 @@ the list can be used to restore a caseful copy of the local part from the
 original address. */
 
 sprintf(CS big_buffer, "%.*s", big_buffer_size - 1, address);
-for (p = big_buffer + Ustrlen(big_buffer) - 1; p >= big_buffer; p--)
+for (uschar * p = big_buffer + Ustrlen(big_buffer) - 1; p >= big_buffer; p--)
   {
   if (!caseless && *p == '@') break;
   *p = tolower(*p);