compare and shift buffer against a fixed length not strlen derived values.

ok otto@

1 files changed, 6 insertions, 6 deletions

diff --git a/src/lib/libc/net/res_init.c b/src/lib/libc/net/res_init.c
index aafa9bbc87..18de3550e6 100644
--- a/src/lib/libc/net/res_init.c
+++ b/src/lib/libc/net/res_init.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: res_init.c,v 1.39 2009/06/04 21:38:29 pyr Exp $       */
+/*      $OpenBSD: res_init.c,v 1.40 2009/06/05 09:52:26 pyr Exp $       */
 
 /*
  * ++Copyright++ 1985, 1989, 1993
@@ -307,14 +307,14 @@ _res_init(int usercall)
                         cp[strcspn(cp, "\n")] = '\0';
                         findex = 0;
                         _resp->family[0] = _resp->family[1] = -1;
+#define INETLEN (sizeof("inetX") - 1)
                         while (*cp != '\0' && findex < 2) {
-                                if (!strncmp(cp, "inet6", strlen("inet6"))) {
+                                if (!strncmp(cp, "inet6", INETLEN)) {
                                         _resp->family[findex] = AF_INET6;
-                                        cp += strlen("inet6");
-                                } else if (!strncmp(cp, "inet4",
-                                     strlen("inet4"))) {
+                                        cp += INETLEN;
+                                } else if (!strncmp(cp, "inet4", INETLEN)) {
                                         _resp->family[findex] = AF_INET;
-                                        cp += strlen("inet4");
+                                        cp += INETLEN;
                                 } else {
                                         _resp->family[0] = -1;
                                         break;