Only print EDESTADDRREQ send error once

jech · Jul 19, 2023 · aa7d611 · aa7d611
1 parent 732be2e
commit aa7d611
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/message.c b/message.c
@@ -1156,13 +1156,20 @@ flushbuf(struct buffered *buf, struct interface *ifp)
                         (struct sockaddr*)&buf->sin6,
                         sizeof(buf->sin6));
         if(rc < 0) {
+		static int edestaddrreq_seen;
+		if (errno == EDESTADDRREQ) {
+			if (edestaddrreq_seen)
+				goto skip_send_error;
+			edestaddrreq_seen = 1;
+		}
 
 		char addr[INET6_ADDRSTRLEN+1];
 		uint32_t scope = buf->sin6.sin6_scope_id;
 		inet_ntop(AF_INET6, &buf->sin6.sin6_addr, addr, sizeof(addr));
 		fprintf(stderr, "send(%s%%%" PRIu32 "): %s\n",
 			addr, scope, strerror(errno));
 	}
+    skip_send_error:
     }
     VALGRIND_MAKE_MEM_UNDEFINED(buf->buf, buf->size);
     buf->len = 0;