*: use get_console_fd() as appropriate, and make it fail on open error -
 get_console_fd_or_die().

function                                             old     new   delta
get_console_fd_or_die                                  -     163    +163
loadkmap_main                                        211     201     -10
loadfont_main                                        440     430     -10
dumpkmap_main                                        218     208     -10
kbd_mode_main                                        158     146     -12
setkeycodes_main                                     156     143     -13
get_console_fd                                       163       -    -163
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 0/5 up/down: 163/-218)          Total: -55 bytes

diff --git a/console-tools/kbd_mode.c b/console-tools/kbd_mode.c
index 2162fd4..cb97947 100644
--- a/console-tools/kbd_mode.c
+++ b/console-tools/kbd_mode.c
@@ -19,17 +19,15 @@
 	int fd;
 	unsigned opt;
 	enum {
-		SCANCODE = (1<<0),
-		ASCII	 = (1<<1),
-		MEDIUMRAW= (1<<2),
-		UNICODE	 = (1<<3)
+		SCANCODE  = (1 << 0),
+		ASCII	  = (1 << 1),
+		MEDIUMRAW = (1 << 2),
+		UNICODE	  = (1 << 3)
 	};
 	static const char KD_xxx[] ALIGN1 = "saku";
 	opt = getopt32(argv, KD_xxx);
-	fd = get_console_fd();
-/*	if (fd < 0)
-		return EXIT_FAILURE;
-*/
+	fd = get_console_fd_or_die();
+
 	if (!opt) { /* print current setting */
 		const char *mode = "unknown";
 		int m;
@@ -46,7 +44,8 @@
 		printf("The keyboard is in %s mode\n", mode);
 	} else {
 		opt = opt & UNICODE ? 3 : opt >> 1;
-		xioctl(fd, KDSKBMODE, opt);
+		/* double cast prevents warnings about widening conversion */
+		xioctl(fd, KDSKBMODE, (void*)(ptrdiff_t)opt);
 	}
 
 	if (ENABLE_FEATURE_CLEAN_UP)