url: only use if_nametoindex() if IFNAMSIZ is available

curl · Apr 14, 2014 · 263ed02 · 263ed02
1 parent b2e9c17
commit 263ed02
Showing 1 changed file with 3 additions and 6 deletions.
diff --git a/lib/url.c b/lib/url.c
@@ -3995,7 +3995,7 @@ static CURLcode parseurlandfillconn(struct SessionHandle *data,
       }
       else {
         /* Zone identifier is not numeric */
-#ifdef HAVE_NET_IF_H
+#if defined(HAVE_NET_IF_H) && defined(IFNAMSIZ)
         char ifname[IFNAMSIZ + 2];
         char *square_bracket;
         unsigned int scopeidx = 0;
@@ -4019,12 +4019,9 @@ static CURLcode parseurlandfillconn(struct SessionHandle *data,
                   identifier_offset + strlen(ifname));
           conn->scope = scopeidx;
         }
-        else {
-#endif /* HAVE_NET_IF_H */
+        else
+#endif /* HAVE_NET_IF_H && IFNAMSIZ */
           infof(data, "Invalid IPv6 address format\n");
-#ifdef HAVE_NET_IF_H
-        }
-#endif /* HAVE_NET_IF_H */
       }
     }
   }