*: fix compiler warnings

Specifically, gcc 4.2.1 on OpenBSD 6.0 warns about these;  they're bogus
(gcc 4.2, being rather old, isn't quite as "intelligent" as newer
versions; the newer ones apply more logic and less warnings.)

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>

babeld/babeld.c

@@ -331,8 +331,8 @@ babel_main_loop(struct thread *thread)
         /* if there is no timeout, we must wait. */
         if(timeval_compare(&tv, &babel_now) > 0) {
             timeval_minus(&tv, &tv, &babel_now);
-            debugf(BABEL_DEBUG_TIMEOUT, "babel main loop : timeout: %ld msecs",
-                   tv.tv_sec * 1000 + tv.tv_usec / 1000);
+            debugf(BABEL_DEBUG_TIMEOUT, "babel main loop : timeout: %lld msecs",
+                   (long long)tv.tv_sec * 1000 + tv.tv_usec / 1000);
             /* it happens often to have less than 1 ms, it's bad. */
             timeval_add_msec(&tv, &tv, 300);
             babel_set_timer(&tv);

babeld/message.c

@@ -391,7 +391,7 @@ parse_packet(const unsigned char *from, struct interface *ifp,
         } else if(type == MESSAGE_HELLO) {
             unsigned short seqno, interval;
             int changed;
-            unsigned int timestamp;
+            unsigned int timestamp = 0;
             DO_NTOHS(seqno, message + 4);
             DO_NTOHS(interval, message + 6);
             debugf(BABEL_DEBUG_COMMON,"Received hello %d (%d) from %s on %s.",

isisd/isisd.c

@@ -1260,8 +1260,8 @@ DEFUN (show_isis_spf_ietf,
 			if (area->spf_timer[level - 1]) {
 				struct timeval remain = thread_timer_remain(
 					area->spf_timer[level - 1]);
-				vty_out(vty, "Pending, due in %ld msec\n",
-					remain.tv_sec * 1000
+				vty_out(vty, "Pending, due in %lld msec\n",
+					(long long)remain.tv_sec * 1000
 						+ remain.tv_usec / 1000);
 			} else {
 				vty_out(vty, "Not scheduled\n");

lib/module.c

@@ -42,8 +42,10 @@ static struct frrmod_info frrmod_default_info = {
 	.description = "libfrr core module",
 };
 union _frrmod_runtime_u frrmod_default = {
-	.r.info = &frrmod_default_info,
-	.r.finished_loading = 1,
+	.r = {
+		.info = &frrmod_default_info,
+		.finished_loading = 1,
+	},
 };
 
 // if defined(HAVE_SYS_WEAK_ALIAS_ATTRIBUTE)

lib/spf_backoff.c

@@ -226,8 +226,9 @@ void spf_backoff_show(struct spf_backoff *backoff, struct vty *vty,
 	if (backoff->t_holddown) {
 		struct timeval remain =
 			thread_timer_remain(backoff->t_holddown);
-		vty_out(vty, "%s                   Still runs for %ld msec\n",
-			prefix, remain.tv_sec * 1000 + remain.tv_usec / 1000);
+		vty_out(vty, "%s                   Still runs for %lld msec\n",
+			prefix, (long long)remain.tv_sec * 1000
+				+ remain.tv_usec / 1000);
 	} else {
 		vty_out(vty, "%s                   Inactive\n", prefix);
 	}
@@ -237,8 +238,9 @@ void spf_backoff_show(struct spf_backoff *backoff, struct vty *vty,
 	if (backoff->t_timetolearn) {
 		struct timeval remain =
 			thread_timer_remain(backoff->t_timetolearn);
-		vty_out(vty, "%s                   Still runs for %ld msec\n",
-			prefix, remain.tv_sec * 1000 + remain.tv_usec / 1000);
+		vty_out(vty, "%s                   Still runs for %lld msec\n",
+			prefix, (long long)remain.tv_sec * 1000
+				+ remain.tv_usec / 1000);
 	} else {
 		vty_out(vty, "%s                   Inactive\n", prefix);
 	}

lib/termtable.c

@@ -31,48 +31,60 @@ struct ttable_style ttable_styles[] = {
 		.corner = '+',
 		.rownums_on = false,
 		.indent = 1,
-		.border.top = '-',
-		.border.bottom = '-',
-		.border.left = '|',
-		.border.right = '|',
-		.border.top_on = true,
-		.border.bottom_on = true,
-		.border.left_on = true,
-		.border.right_on = true,
-		.cell.lpad = 1,
-		.cell.rpad = 1,
-		.cell.align = LEFT,
-		.cell.border.bottom = '-',
-		.cell.border.bottom_on = true,
-		.cell.border.top = '-',
-		.cell.border.top_on = false,
-		.cell.border.right = '|',
-		.cell.border.right_on = true,
-		.cell.border.left = '|',
-		.cell.border.left_on = false,
+		.border = {
+			.top = '-',
+			.bottom = '-',
+			.left = '|',
+			.right = '|',
+			.top_on = true,
+			.bottom_on = true,
+			.left_on = true,
+			.right_on = true,
+		},
+		.cell = {
+			.lpad = 1,
+			.rpad = 1,
+			.align = LEFT,
+			.border = {
+				.bottom = '-',
+				.bottom_on = true,
+				.top = '-',
+				.top_on = false,
+				.right = '|',
+				.right_on = true,
+				.left = '|',
+				.left_on = false,
+			},
+		},
 	}, {	// blank, suitable for plaintext alignment
 		.corner = ' ',
 		.rownums_on = false,
 		.indent = 1,
-		.border.top = ' ',
-		.border.bottom = ' ',
-		.border.left = ' ',
-		.border.right = ' ',
-		.border.top_on = false,
-		.border.bottom_on = false,
-		.border.left_on = false,
-		.border.right_on = false,
-		.cell.lpad = 0,
-		.cell.rpad = 3,
-		.cell.align = LEFT,
-		.cell.border.bottom = ' ',
-		.cell.border.bottom_on = false,
-		.cell.border.top = ' ',
-		.cell.border.top_on = false,
-		.cell.border.right = ' ',
-		.cell.border.right_on = false,
-		.cell.border.left = ' ',
-		.cell.border.left_on = false,
+		.border = {
+			.top = ' ',
+			.bottom = ' ',
+			.left = ' ',
+			.right = ' ',
+			.top_on = false,
+			.bottom_on = false,
+			.left_on = false,
+			.right_on = false,
+		},
+		.cell = {
+			.lpad = 0,
+			.rpad = 3,
+			.align = LEFT,
+			.border = {
+				.bottom = ' ',
+				.bottom_on = false,
+				.top = ' ',
+				.top_on = false,
+				.right = ' ',
+				.right_on = false,
+				.left = ' ',
+				.left_on = false,
+			},
+		}
    }
 };
 /* clang-format on */

pimd/pim_join.c

@@ -414,7 +414,7 @@ int pim_joinprune_send(struct pim_rpf *rpf, struct list *groups)
 	struct pim_jp_agg_group *group;
 	struct pim_interface *pim_ifp = NULL;
 	struct pim_jp_groups *grp = NULL;
-	struct pim_jp *msg;
+	struct pim_jp *msg = NULL;
 	struct listnode *node, *nnode;
 	uint8_t pim_msg[10000];
 	uint8_t *curr_ptr = pim_msg;

zebra/zserv.c

@@ -1198,7 +1198,7 @@ static int zread_ipv4_add(struct zserv *client, u_short length,
 	ifindex_t ifindex;
 	safi_t safi;
 	int ret;
-	enum lsp_types_t label_type;
+	enum lsp_types_t label_type = ZEBRA_LSP_NONE;
 	mpls_label_t label;
 	struct nexthop *nexthop;