patch to Vanilla Tomato 1.28

1 files changed, 55 insertions, 0 deletions

diff --git a/release/src/router/busybox/console-tools/kbd_mode.c b/release/src/router/busybox/console-tools/kbd_mode.c
new file mode 100644
index 00000000..544bbb78
--- /dev/null
+++ b/release/src/router/busybox/console-tools/kbd_mode.c
@@ -0,0 +1,55 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini kbd_mode implementation for busybox
+ *
+ * Copyright (C) 2007 Loic Grenie <loic.grenie@gmail.com>
+ *   written using Andries Brouwer <aeb@cwi.nl>'s kbd_mode from
+ *   console-utils v0.2.3, licensed under GNU GPLv2
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+#include "libbb.h"
+#include <linux/kd.h>
+
+int kbd_mode_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int kbd_mode_main(int argc UNUSED_PARAM, char **argv)
+{
+	enum {
+		SCANCODE  = (1 << 0),
+		ASCII	  = (1 << 1),
+		MEDIUMRAW = (1 << 2),
+		UNICODE	  = (1 << 3),
+	};
+	int fd;
+	unsigned opt;
+	const char *tty_name = CURRENT_TTY;
+
+	opt = getopt32(argv, "sakuC:", &tty_name);
+	fd = xopen(tty_name, O_NONBLOCK);
+	opt &= 0xf; /* clear -C bit, see (*) */
+
+	if (!opt) { /* print current setting */
+		const char *mode = "unknown";
+		int m;
+
+		xioctl(fd, KDGKBMODE, &m);
+		if (m == K_RAW)
+			mode = "raw (scancode)";
+		else if (m == K_XLATE)
+			mode = "default (ASCII)";
+		else if (m == K_MEDIUMRAW)
+			mode = "mediumraw (keycode)";
+		else if (m == K_UNICODE)
+			mode = "Unicode (UTF-8)";
+		printf("The keyboard is in %s mode\n", mode);
+	} else {
+		/* here we depend on specific bits assigned to options (*) */
+		opt = opt & UNICODE ? 3 : opt >> 1;
+		/* double cast prevents warnings about widening conversion */
+		xioctl(fd, KDSKBMODE, (void*)(ptrdiff_t)opt);
+	}
+
+	if (ENABLE_FEATURE_CLEAN_UP)
+		close(fd);
+	return EXIT_SUCCESS;
+}