*
* Copyright (C) 1998 Enrique Zanardi <ezanardi@ull.es>
*
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
+
+//usage:#define loadkmap_trivial_usage
+//usage: "< keymap"
+//usage:#define loadkmap_full_usage "\n\n"
+//usage: "Load a binary keyboard translation table from stdin"
+////usage: "\n"
+////usage: "\n -C TTY Affect TTY instead of /dev/tty"
+//usage:
+//usage:#define loadkmap_example_usage
+//usage: "$ loadkmap < /etc/i18n/lang-keymap\n"
+
#include "libbb.h"
#define BINARY_KEYMAP_MAGIC "bkeymap"
if (argv[1])
bb_show_usage();
/* bb_warn_ignoring_args(argv[1]); */
+
fd = get_console_fd_or_die();
/* or maybe:
opt = getopt32(argv, "C:", &tty_name);
*/
xread(STDIN_FILENO, flags, 7);
- if (strncmp(flags, BINARY_KEYMAP_MAGIC, 7))
+ if (!is_prefixed_with(flags, BINARY_KEYMAP_MAGIC))
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 (flags[i] != 1)
+ continue;
+ 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];
+ /*
+ * Note: table[idx:0] can contain special value
+ * K_ALLOCATED (marks allocated tables in kernel).
+ * dumpkmap saves the value as-is; but attempts
+ * to load it here fail, since it isn't a valid
+ * key value: it is K(KT_SPEC,126) == 2<<8 + 126,
+ * whereas last valid KT_SPEC is
+ * K_BARENUMLOCK == K(KT_SPEC,19).
+ * So far we just ignore these errors:
+ */
+ ioctl(fd, KDSKBENT, &ke);
}
}