1 files changed, 49 insertions, 0 deletions
diff --git a/console-tools/setkeycodes.c b/console-tools/setkeycodes.c
new file mode 100644
index 0000000..597272a
--- /dev/null
+++ b/console-tools/setkeycodes.c
@@ -0,0 +1,49 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * setkeycodes
+ *
+ * Copyright (C) 1994-1998 Andries E. Brouwer <aeb@cwi.nl>
+ *
+ * Adjusted for BusyBox by Erik Andersen <andersen@codepoet.org>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+//#include <sys/ioctl.h>
+#include "libbb.h"
+
+/* From <linux/kd.h> */
+struct kbkeycode {
+	unsigned scancode, keycode;
+};
+enum {
+	KDSETKEYCODE = 0x4B4D  /* write kernel keycode table entry */
+};
+
+int setkeycodes_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int setkeycodes_main(int argc, char **argv)
+{
+	int fd, sc;
+	struct kbkeycode a;
+
+	if (!(argc & 1) /* if even */ || argc < 2) {
+		bb_show_usage();
+	}
+
+	fd = get_console_fd_or_die();
+
+	while (argc > 2) {
+		a.keycode = xatou_range(argv[2], 0, 127);
+		a.scancode = sc = xstrtoul_range(argv[1], 16, 0, 255);
+		if (a.scancode > 127) {
+			a.scancode -= 0xe000;
+			a.scancode += 128;
+		}
+		ioctl_or_perror_and_die(fd, KDSETKEYCODE, &a,
+			"can't set SCANCODE %x to KEYCODE %d",
+			sc, a.keycode);
+		argc -= 2;
+		argv += 2;
+	}
+	return EXIT_SUCCESS;
+}