119 lines
2.6 KiB
C
119 lines
2.6 KiB
C
/* setmetamode.c
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Written by Kazuhiro Fujieda <fujieda@jaist.ac.jp>
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include <getopt.h>
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#include <sys/ioctl.h>
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#include <cygwin/kd.h>
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#include <cygwin/version.h>
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static void
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usage (void)
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{
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fprintf (stderr, "Usage: %s [metabit|escprefix]\n"
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"\n"
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"Get or set keyboard meta mode\n"
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"\n"
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" Without argument, it shows the current meta key mode.\n"
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" metabit|meta|bit The meta key sets the top bit of the character.\n"
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" escprefix|esc|prefix The meta key sends an escape prefix.\n"
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"\n"
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"Other options:\n"
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"\n"
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" -h, --help This text\n"
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" -V, --version Print program version and exit\n\n",
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program_invocation_short_name);
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}
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static void
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error (void)
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{
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fprintf (stderr,
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"%s: The standard input isn't a console device.\n",
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program_invocation_short_name);
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}
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void
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print_version ()
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{
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printf ("setmetamode (cygwin) %d.%d.%d\n"
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"Get or set keyboard meta mode\n"
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"Copyright (C) 2006 - %s Cygwin Authors\n"
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"This is free software; see the source for copying conditions. There is NO\n"
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"warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n",
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CYGWIN_VERSION_DLL_MAJOR / 1000,
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CYGWIN_VERSION_DLL_MAJOR % 1000,
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CYGWIN_VERSION_DLL_MINOR,
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strrchr (__DATE__, ' ') + 1);
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}
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struct option longopts[] = {
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{"help", no_argument, NULL, 'h'},
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{"version", no_argument, NULL, 'V'},
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{0, no_argument, NULL, 0}
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};
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const char *opts = "hV";
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int
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main (int ac, char *av[])
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{
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int param;
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int opt;
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if (ac < 2)
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{
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if (ioctl (0, KDGKBMETA, ¶m) < 0)
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{
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error ();
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return 1;
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}
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if (param == 0x03)
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puts ("metabit");
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else
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puts ("escprefix");
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return 0;
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}
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while ((opt = getopt_long (ac, av, opts, longopts, NULL)) != -1)
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switch (opt)
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{
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case 'h':
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usage ();
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return 0;
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case 'V':
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print_version ();
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return 0;
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default:
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fprintf (stderr, "Try `%s --help' for more information.\n",
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program_invocation_short_name);
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return 1;
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}
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if (!strcmp ("meta", av[1]) || !strcmp ("bit", av[1])
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|| !strcmp ("metabit", av[1]))
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param = 0x03;
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else if (!strcmp ("esc", av[1]) || !strcmp ("prefix", av[1])
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|| !strcmp ("escprefix", av[1]))
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param = 0x04;
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else
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{
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usage ();
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return 1;
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}
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if (ioctl (0, KDSKBMETA, param) < 0)
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{
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error ();
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return 1;
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}
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return 0;
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}
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