From: Martin Pitt <martin.pitt@ubuntu.com>
Date: Thu, 23 Jul 2009 17:00:38 +0000 (+0200)
Subject: extras/keymap: Fix crash for unknown keys
X-Git-Tag: 174~875
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0dcf1ce1f76325e88be8b1c6cc356a2123c9a757;p=systemd

extras/keymap: Fix crash for unknown keys

The keymap table has some holes in it, which caused the interactive mode to
crash for unknown keys. In these cases, print the numeric key code instead.
---

diff --git a/extras/keymap/keymap.c b/extras/keymap/keymap.c
index 18e577a3..117a41db 100644
--- a/extras/keymap/keymap.c
+++ b/extras/keymap/keymap.c
@@ -258,15 +258,22 @@ static const char* default_keymap_path(const char* path)
 static void print_key(struct input_event *event)
 {
 	static int cur_scancode = 0;
+	const char *keyname;
 
 	/* save scan code for next EV_KEY event */
 	if (event->type == EV_MSC && event->code == MSC_SCAN)
 	    cur_scancode = event->value;
 
 	/* key press */
-	if (event->type == EV_KEY && event->value)
-	    printf("scan code: 0x%02X   key code: %s\n", cur_scancode,
-		    format_keyname(key_names[event->code]));
+	if (event->type == EV_KEY && event->value) {
+		keyname = key_names[event->code];
+		if (keyname != NULL)
+			printf("scan code: 0x%02X   key code: %s\n", cur_scancode,
+			    format_keyname(key_names[event->code]));
+		else
+			printf("scan code: 0x%02X   key code: %03X\n", cur_scancode,
+			    event->code);
+	}
 }
 
 static void interactive(int fd)