X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/putty/blobdiff_plain/b534024e75b7932f697ff3f6a683f35475723e64..d2c2927496535d8d67042980001fadede5e19b99:/unix/uxnet.c

diff --git a/unix/uxnet.c b/unix/uxnet.c
index cbe67306..46b619bd 100644
--- a/unix/uxnet.c
+++ b/unix/uxnet.c
@@ -434,6 +434,11 @@ Socket sk_new(SockAddr addr, int port, int privport, int oobinline,
     else
 	localport = 0;		       /* just use port 0 (ie kernel picks) */
 
+    /* BSD IP stacks need sockaddr_in zeroed before filling in */
+    memset(&a,'\0',sizeof(struct sockaddr_in));
+#ifdef IPV6
+    memset(&a6,'\0',sizeof(struct sockaddr_in6));
+#endif
     /* Loop round trying to bind */
     while (1) {
 	int retcode;
@@ -574,7 +579,12 @@ Socket sk_newlistener(char *srcaddr, int port, Plug plug, int local_host_only)
 
     setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (const char *)&on, sizeof(on));
 
+    /* BSD IP stacks need sockaddr_in zeroed before filling in */
+    memset(&a,'\0',sizeof(struct sockaddr_in));
 #ifdef IPV6
+#if 0
+    memset(&a6,'\0',sizeof(struct sockaddr_in6));
+#endif
     hints.ai_flags = AI_NUMERICHOST;
     hints.ai_family = AF_UNSPEC;
     hints.ai_socktype = 0;