1 files changed, 65 insertions, 0 deletions
diff --git a/console-tools/loadkmap.c b/console-tools/loadkmap.c
new file mode 100644
index 0000000..ac2c0a6
--- /dev/null
+++ b/console-tools/loadkmap.c
@@ -0,0 +1,65 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini loadkmap implementation for busybox
+ *
+ * Copyright (C) 1998 Enrique Zanardi <ezanardi@ull.es>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+#include "libbb.h"
+
+#define BINARY_KEYMAP_MAGIC "bkeymap"
+
+/* From <linux/kd.h> */
+struct kbentry {
+	unsigned char kb_table;
+	unsigned char kb_index;
+	unsigned short kb_value;
+};
+/* sets one entry in translation table */
+#define KDSKBENT        0x4B47
+
+/* From <linux/keyboard.h> */
+#define NR_KEYS         128
+#define MAX_NR_KEYMAPS  256
+
+int loadkmap_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int loadkmap_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
+{
+	struct kbentry ke;
+	int i, j, fd;
+	uint16_t ibuff[NR_KEYS];
+/*	const char *tty_name = CURRENT_TTY; */
+	RESERVE_CONFIG_BUFFER(flags,MAX_NR_KEYMAPS);
+
+/* bb_warn_ignoring_args(argc >= 2); */
+	fd = get_console_fd_or_die();
+/* or maybe:
+	opt = getopt32(argv, "C:", &tty_name);
+	fd = xopen(tty_name, O_NONBLOCK);
+*/
+
+	xread(STDIN_FILENO, flags, 7);
+	if (strncmp(flags, BINARY_KEYMAP_MAGIC, 7))
+		bb_error_msg_and_die("not a valid binary keymap");
+
+	xread(STDIN_FILENO, flags, MAX_NR_KEYMAPS);
+
+	for (i = 0; i < MAX_NR_KEYMAPS; i++) {
+		if (flags[i] == 1) {
+			xread(STDIN_FILENO, ibuff, NR_KEYS * sizeof(uint16_t));
+			for (j = 0; j < NR_KEYS; j++) {
+				ke.kb_index = j;
+				ke.kb_table = i;
+				ke.kb_value = ibuff[j];
+				ioctl(fd, KDSKBENT, &ke);
+			}
+		}
+	}
+
+	if (ENABLE_FEATURE_CLEAN_UP) {
+		close(fd);
+		RELEASE_CONFIG_BUFFER(flags);
+	}
+	return EXIT_SUCCESS;
+}