constification

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

diff --git a/src/src/host.c b/src/src/host.c
index 7fda13d3cee036417fca7b7bff176dbd77067d9b..25dab2bb8c3f569c13aa9e53a375c89e52c719f8 100644 (file)
--- a/src/src/host.c
+++ b/src/src/host.c
@@ -2777,17 +2777,15 @@ host which is not the primary hostname. */
 last = NULL;    /* Indicates that not even the first item is filled yet */
 
 for (rr = dns_next_rr(&dnsa, &dnss, RESET_ANSWERS);
-     rr != NULL;
-     rr = dns_next_rr(&dnsa, &dnss, RESET_NEXT))
+     rr;
+     rr = dns_next_rr(&dnsa, &dnss, RESET_NEXT)) if (rr->type == ind_type)
   {
   int precedence;
   int weight = 0;        /* For SRV records */
   int port = PORT_NONE;
-  uschar *s;             /* MUST be unsigned for GETSHORT */
+  const uschar * s = rr->data; /* MUST be unsigned for GETSHORT */
   uschar data[256];
 
-  if (rr->type != ind_type) continue;
-  s = rr->data;
   GETSHORT(precedence, s);      /* Pointer s is advanced */
 
   /* For MX records, we use a random "weight" which causes multiple records of