1 files changed, 82 insertions, 0 deletions
diff --git a/busybox/console-tools/loadkmap.c b/busybox/console-tools/loadkmap.c
new file mode 100644
index 0000000..849d747
--- /dev/null
+++ b/busybox/console-tools/loadkmap.c
@@ -0,0 +1,82 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini loadkmap implementation for busybox
+ *
+ * Copyright (C) 1998 Enrique Zanardi <ezanardi@ull.es>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include "busybox.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)
+{
+	struct kbentry ke;
+	int i, j, fd;
+	u_short ibuff[NR_KEYS];
+	char flags[MAX_NR_KEYMAPS];
+	char buff[7];
+
+	if (argc != 1)
+		bb_show_usage();
+
+	fd = bb_xopen(CURRENT_VC, O_RDWR);
+
+	if ((bb_full_read(0, buff, 7) != 7) || (strncmp(buff, BINARY_KEYMAP_MAGIC, 7) != 0))
+		bb_error_msg_and_die("This is not a valid binary keymap.");
+
+	if (bb_full_read(0, flags, MAX_NR_KEYMAPS) != MAX_NR_KEYMAPS)
+		bb_perror_msg_and_die("Error reading keymap flags");
+
+	for (i = 0; i < MAX_NR_KEYMAPS; i++) {
+		if (flags[i] == 1) {
+			bb_full_read(0, ibuff, NR_KEYS * sizeof(u_short));
+			for (j = 0; j < NR_KEYS; j++) {
+				ke.kb_index = j;
+				ke.kb_table = i;
+				ke.kb_value = ibuff[j];
+				ioctl(fd, KDSKBENT, &ke);
+			}
+		}
+	}
+
+	/* Don't bother to close files.  Exit does that
+	 * automagically, so we can save a few bytes */
+	/* close(fd); */
+	return EXIT_SUCCESS;
+}