X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=unix%2Fuxnet.c;h=235d6fd97d039d3ed2f97167e68e4285935981ee;hb=f004bcca17a789356c32527a396b68b71a773db2;hp=1fe78436115878ce98174c6d5d9de8e158db4208;hpb=8da4fa506389910599c59b87ba1b799efd6d3ae1;p=PuTTY.git

diff --git a/unix/uxnet.c b/unix/uxnet.c
index 1fe78436..235d6fd9 100644
--- a/unix/uxnet.c
+++ b/unix/uxnet.c
@@ -126,9 +126,12 @@ struct SockAddr_tag {
      (addr)->superfamily == UNIX ? AF_UNIX : \
      (step).ai ? (step).ai->ai_family : AF_INET)
 #else
+/* Here we gratuitously reference 'step' to avoid gcc warnings about
+ * 'set but not used' when compiling -DNO_IPV6 */
 #define SOCKADDR_FAMILY(addr, step) \
     ((addr)->superfamily == UNRESOLVED ? AF_UNSPEC : \
-     (addr)->superfamily == UNIX ? AF_UNIX : AF_INET)
+     (addr)->superfamily == UNIX ? AF_UNIX : \
+     (step).curraddr ? AF_INET : AF_INET)
 #endif
 
 /*
@@ -777,7 +780,7 @@ Socket sk_newlistener(char *srcaddr, int port, Plug plug, int local_host_only, i
 {
     int s;
 #ifndef NO_IPV6
-    struct addrinfo hints, *ai;
+    struct addrinfo hints, *ai = NULL;
     char portstr[6];
 #endif
     union sockaddr_union u;
@@ -923,6 +926,12 @@ Socket sk_newlistener(char *srcaddr, int port, Plug plug, int local_host_only, i
     }
 
     retcode = bind(s, &addr->sa, addrlen);
+
+#ifndef NO_IPV6
+    if (ai)
+        freeaddrinfo(ai);
+#endif
+
     if (retcode < 0) {
         close(s);
 	ret->error = strerror(errno);