ypldap: Remove set but unused variables.

Some of these were reported by GCC, others reported by clang.

usr.sbin/ypldap/entries.c

@@ -40,7 +40,6 @@
 void
 flatten_entries(struct env *env)
 {
-	size_t		 wrlen;
 	size_t		 len;
 	char		*linep;
 	char		*endp;
@@ -56,7 +55,6 @@ flatten_entries(struct env *env)
 	 *
 	 * An extra octet is alloced to make space for an additional NUL.
 	 */
-	wrlen = env->sc_user_line_len;
 	if ((linep = calloc(1, env->sc_user_line_len + 1)) == NULL) {
 		/*
 		 * XXX: try allocating a smaller chunk of memory
@@ -78,7 +76,6 @@ flatten_entries(struct env *env)
 		free(ue->ue_line);
 		ue->ue_line = endp;
 		endp += len;
-		wrlen -= len;
 
 		/*
 		 * To save memory strdup(3) the netid_line which originally used
@@ -94,7 +91,6 @@ flatten_entries(struct env *env)
 	env->sc_user_lines = linep;
 	log_debug("done pushing users");
 
-	wrlen = env->sc_group_line_len;
 	if ((linep = calloc(1, env->sc_group_line_len + 1)) == NULL) {
 		/*
 		 * XXX: try allocating a smaller chunk of memory
@@ -115,7 +111,6 @@ flatten_entries(struct env *env)
 		free(ge->ge_line);
 		ge->ge_line = endp;
 		endp += len;
-		wrlen -= len;
 	}
 	env->sc_group_lines = linep;
 	log_debug("done pushing groups");

usr.sbin/ypldap/ldapclient.c

@@ -346,7 +346,7 @@ client_shutdown(void)
 pid_t
 ldapclient(int pipe_main2client[2])
 {
-	pid_t            pid, dns_pid;
+	pid_t            pid;
 	int              pipe_dns[2];
 	struct passwd	*pw;
 	struct event	 ev_sigint;
@@ -371,7 +371,7 @@ ldapclient(int pipe_main2client[2])
 
 	if (socketpair(AF_UNIX, SOCK_STREAM, PF_UNSPEC, pipe_dns) == -1)
 		fatal("socketpair");
-	dns_pid = ypldap_dns(pipe_dns, pw);
+	ypldap_dns(pipe_dns, pw);
 	close(pipe_dns[1]);
 
 #ifndef DEBUG

usr.sbin/ypldap/yp.c

@@ -268,9 +268,6 @@ yp_dispatch(struct svc_req *req, SVCXPRT *trans)
 int
 yp_check(struct svc_req *req)
 {
-	struct sockaddr_in	*caller;
-
-	caller = svc_getcaller(req->rq_xprt);
 	/*
 	 * We might want to know who we allow here.
 	 */