*
* 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.
*/
-#include "busybox.h"
+//usage:#define loadkmap_trivial_usage
+//usage: "< keymap"
+//usage:#define loadkmap_full_usage "\n\n"
+//usage: "Load a binary keyboard translation table from stdin\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"
#define NR_KEYS 128
#define MAX_NR_KEYMAPS 256
-int loadkmap_main(int argc, char **argv)
+int loadkmap_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int loadkmap_main(int argc UNUSED_PARAM, char **argv)
{
struct kbentry ke;
int i, j, fd;
uint16_t ibuff[NR_KEYS];
- char flags[MAX_NR_KEYMAPS];
- char buff[7];
+/* const char *tty_name = CURRENT_TTY; */
+ RESERVE_CONFIG_BUFFER(flags, MAX_NR_KEYMAPS);
- if (argc != 1)
+ /* When user accidentally runs "loadkmap FILE"
+ * instead of "loadkmap <FILE", we end up waiting for input from tty.
+ * Let's prevent it: */
+ 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);
+ fd = xopen_nonblocking(tty_name);
+*/
- fd = xopen(CURRENT_VC, O_RDWR);
+ xread(STDIN_FILENO, flags, 7);
+ if (strncmp(flags, BINARY_KEYMAP_MAGIC, 7))
+ bb_error_msg_and_die("not a valid binary keymap");
- xread(0, buff, 7);
- if (strncmp(buff, BINARY_KEYMAP_MAGIC, 7))
- bb_error_msg_and_die("this is not a valid binary keymap");
-
- xread(0, flags, MAX_NR_KEYMAPS);
+ xread(STDIN_FILENO, flags, MAX_NR_KEYMAPS);
for (i = 0; i < MAX_NR_KEYMAPS; i++) {
if (flags[i] == 1) {
- xread(0, ibuff, NR_KEYS * sizeof(uint16_t));
+ xread(STDIN_FILENO, ibuff, NR_KEYS * sizeof(uint16_t));
for (j = 0; j < NR_KEYS; j++) {
ke.kb_index = j;
ke.kb_table = i;
}
}
- if (ENABLE_FEATURE_CLEAN_UP) close(fd);
- return 0;
+ if (ENABLE_FEATURE_CLEAN_UP) {
+ close(fd);
+ RELEASE_CONFIG_BUFFER(flags);
+ }
+ return EXIT_SUCCESS;
}