Provide readn() as a wrapper around read()

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

diff --git a/src/src/dns.c b/src/src/dns.c
index 815a978e9d38664bbce8db48491a18301fd3049b..4950079b4dc971114adad67c810222bbdc0d3671 100644 (file)
--- a/src/src/dns.c
+++ b/src/src/dns.c
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2016 */
+/* Copyright (c) University of Cambridge 1995 - 2017 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* Functions for interfacing with the DNS. */
@@ -271,10 +271,7 @@ else
     {
     int j;
     for (j = 0; j < 32; j += 4)
-      {
-      sprintf(CS pp, "%x.", (v6[i] >> j) & 15);
-      pp += 2;
-      }
+      pp += sprintf(CS pp, "%x.", (v6[i] >> j) & 15);
     }
   Ustrcpy(pp, "ip6.arpa.");
 
@@ -765,8 +762,9 @@ dnsa->answerlen = running_in_test_harness
 
 if (dnsa->answerlen > (int) sizeof(dnsa->answer))
   {
-  DEBUG(D_dns) debug_printf("DNS lookup of %s (%s) resulted in overlong packet (size %d), truncating to %d.\n",
-    name, dns_text_type(type), dnsa->answerlen, sizeof(dnsa->answer));
+  DEBUG(D_dns) debug_printf("DNS lookup of %s (%s) resulted in overlong packet"
+    " (size %d), truncating to %u.\n",
+    name, dns_text_type(type), dnsa->answerlen, (unsigned int) sizeof(dnsa->answer));
   dnsa->answerlen = sizeof(dnsa->answer);
   }
 
@@ -1018,7 +1016,7 @@ switch (type)
   assertion field. */
   case T_CSA:
     {
-    uschar *srvname, *namesuff, *tld, *p;
+    uschar *srvname, *namesuff, *tld;
     int priority, weight, port;
     int limit, rc, i;
     BOOL ipv6;