kbd_mode: new applet by Loïc Grenié <loic.grenie@gmail.com>
authorvda <vda@69ca8d6d-28ef-0310-b511-8ec308f3f277>
Sat, 20 Oct 2007 00:17:34 +0000 (00:17 +0000)
committervda <vda@69ca8d6d-28ef-0310-b511-8ec308f3f277>
Sat, 20 Oct 2007 00:17:34 +0000 (00:17 +0000)
kbd_mode_main                                          -     189    +189
packed_usage                                       22745   22833     +88
applets                                             3132    3144     +12
static.opts                                            7      12      +5
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 3/0 up/down: 294/0)             Total: 294 bytes
   text    data     bss     dec     hex filename
 777210    1000    9532  787742   c051e busybox_old
 777575    1000    9532  788107   c068b busybox_unstripped

git-svn-id: svn://busybox.net/trunk/busybox@20302 69ca8d6d-28ef-0310-b511-8ec308f3f277

console-tools/Config.in
console-tools/Kbuild
console-tools/kbd_mode.c [new file with mode: 0644]
include/applets.h
include/usage.h
libbb/get_console.c

index f82d4ce..bd9dfb3 100644 (file)
@@ -31,6 +31,12 @@ config DUMPKMAP
          This program dumps the kernel's keyboard translation table to
          stdout, in binary format. You can then use loadkmap to load it.
 
+config KBD_MODE
+       bool "kbd_mode"
+       default n
+       help
+         This program reports and sets keyboard mode.
+
 config LOADFONT
        bool "loadfont"
        default n
index a55bc08..cf3825e 100644 (file)
@@ -10,6 +10,7 @@ lib-$(CONFIG_CLEAR)           += clear.o
 lib-$(CONFIG_DEALLOCVT)                += deallocvt.o
 lib-$(CONFIG_DUMPKMAP)         += dumpkmap.o
 lib-$(CONFIG_SETCONSOLE)       += setconsole.o
+lib-$(CONFIG_KBD_MODE)         += kbd_mode.o
 lib-$(CONFIG_LOADFONT)         += loadfont.o
 lib-$(CONFIG_LOADKMAP)         += loadkmap.o
 lib-$(CONFIG_OPENVT)           += openvt.o
diff --git a/console-tools/kbd_mode.c b/console-tools/kbd_mode.c
new file mode 100644 (file)
index 0000000..0000ea1
--- /dev/null
@@ -0,0 +1,71 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini loadkmap implementation for busybox
+ *
+ * Copyright (C) 2007 Loïc Grenié <loic.grenie@gmail.com>
+ *   written using Andries Brouwer <aeb@cwi.nl>'s kbd_mode from
+ *   console-utils v0.2.3, licensed under GNU GPLv2
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ *
+ */
+
+#include <getopt.h>
+#include "libbb.h"
+#include <linux/kd.h>
+
+int kbd_mode_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int kbd_mode_main(int argc, char **argv)
+{
+       static const char opts[] = "saku";
+
+       const char *opt = argv[1];
+       const char *p;
+       int fd;
+
+       fd = get_console_fd();
+       if (fd < 0) /* get_console_fd() already complained */
+               return EXIT_FAILURE;
+
+       if (opt == NULL) {
+               /* No arg */
+               const char *msg = "unknown";
+               int mode;
+
+               ioctl(fd, KDGKBMODE, &mode);
+               switch(mode) {
+               case K_RAW:
+                       msg = "raw (scancode)";
+                       break;
+               case K_XLATE:
+                       msg = "default (ASCII)";
+                       break;
+               case K_MEDIUMRAW:
+                       msg = "mediumraw (keycode)";
+                       break;
+               case K_UNICODE:
+                       msg = "Unicode (UTF-8)";
+                       break;
+               }
+               printf("The keyboard is in %s mode\n", msg);
+       }
+       else if (argc > 2 /* more than 1 arg */
+        || *opt != '-' /* not an option */
+        || (p = strchr(opts, opt[1])) == NULL /* not an option we expect */
+        || opt[2] != '\0' /* more than one option char */
+       ) {
+               bb_show_usage();
+               /* return EXIT_FAILURE; - not reached */
+       }
+       else {
+#if K_RAW != 0 || K_XLATE != 1 || K_MEDIUMRAW != 2 || K_UNICODE != 3
+#error kbd_mode must be changed
+#endif
+               /* The options are in the order of the various K_xxx */
+               ioctl(fd, KDSKBMODE, p - opts);
+       }
+
+       if (ENABLE_FEATURE_CLEAN_UP)
+               close(fd);
+       return EXIT_SUCCESS;
+}
index 5b64e3a..587ccbf 100644 (file)
@@ -202,6 +202,7 @@ USE_IPLINK(APPLET(iplink, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_IPROUTE(APPLET(iproute, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_IPRULE(APPLET(iprule, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_IPTUNNEL(APPLET(iptunnel, _BB_DIR_BIN, _BB_SUID_NEVER))
+USE_KBD_MODE(APPLET(kbd_mode, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_KILL(APPLET(kill, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_KILLALL(APPLET_ODDNAME(killall, kill, _BB_DIR_USR_BIN, _BB_SUID_NEVER, killall))
 USE_KILLALL5(APPLET_ODDNAME(killall5, kill, _BB_DIR_USR_BIN, _BB_SUID_NEVER, killall5))
index d9a6ae7..8f0a13c 100644 (file)
        "       [[i|o]seq] [[i|o]key KEY] [[i|o]csum]\n" \
        "       [ttl TTL] [tos TOS] [[no]pmtudisc] [dev PHYS_DEV]"
 
+#define kbd_mode_trivial_usage \
+       "[-a|k|s|u]"
+#define kbd_mode_full_usage \
+       "Report or set the keyboard mode" \
+       "\n\nOptions set mode:\n" \
+       "       -a      Default (ASCII)\n" \
+       "       -k      Medium-raw (keyboard)\n" \
+       "       -s      Raw (scancode)\n" \
+       "       -u      Unicode (utf-8)"
+
 #define kill_trivial_usage \
        "[-l] [-signal] process-id [process-id ...]"
 #define kill_full_usage \
index b129518..0da27b1 100644 (file)
@@ -67,6 +67,6 @@ int get_console_fd(void)
                }
        }
 
-       bb_error_msg("cannot get file descriptor referring to console");
+       bb_error_msg("can't open console");
        return fd;                      /* total failure */
 }