grub/util/grub-mklayout.c

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/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2010 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <grub/util/misc.h>
#include <grub/i18n.h>
#include <grub/term.h>
#include <grub/keyboard_layouts.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <unistd.h>
#include <errno.h>
#include "progname.h"
#define CKBCOMP "ckbcomp"
static struct option options[] = {
{"output", required_argument, 0, 'o'},
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
{"verbose", no_argument, 0, 'v'},
{0, 0, 0, 0}
};
struct console_grub_equivalence
{
char *layout;
grub_uint32_t grub;
};
static struct console_grub_equivalence console_grub_equivalences_shift[] = {
{"KP_0", '0'},
{"KP_1", '1'},
{"KP_2", '2'},
{"KP_3", '3'},
{"KP_4", '4'},
{"KP_5", '5'},
{"KP_6", '6'},
{"KP_7", '7'},
{"KP_8", '8'},
{"KP_9", '9'},
{"KP_Period", '.'},
};
static struct console_grub_equivalence console_grub_equivalences_unshift[] = {
{"KP_0", GRUB_TERM_KEY_INSERT},
{"KP_1", GRUB_TERM_KEY_END},
{"KP_2", GRUB_TERM_KEY_DOWN},
{"KP_3", GRUB_TERM_KEY_NPAGE},
{"KP_4", GRUB_TERM_KEY_LEFT},
{"KP_5", GRUB_TERM_KEY_CENTER},
{"KP_6", GRUB_TERM_KEY_RIGHT},
{"KP_7", GRUB_TERM_KEY_HOME},
{"KP_8", GRUB_TERM_KEY_UP},
{"KP_9", GRUB_TERM_KEY_PPAGE},
{"KP_Period", GRUB_TERM_KEY_DC},
};
static struct console_grub_equivalence console_grub_equivalences_common[] = {
{"Escape", GRUB_TERM_ESC},
{"Tab", GRUB_TERM_TAB},
{"Delete", GRUB_TERM_BACKSPACE},
{"KP_Enter", '\n'},
{"Return", '\n'},
{"KP_Multiply", '*'},
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{"KP_Subtract", '-'},
{"KP_Add", '+'},
{"KP_Divide", '/'},
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{"F1", GRUB_TERM_KEY_F1},
{"F2", GRUB_TERM_KEY_F2},
{"F3", GRUB_TERM_KEY_F3},
{"F4", GRUB_TERM_KEY_F4},
{"F5", GRUB_TERM_KEY_F5},
{"F6", GRUB_TERM_KEY_F6},
{"F7", GRUB_TERM_KEY_F7},
{"F8", GRUB_TERM_KEY_F8},
{"F9", GRUB_TERM_KEY_F9},
{"F10", GRUB_TERM_KEY_F10},
{"F11", GRUB_TERM_KEY_F11},
{"F12", GRUB_TERM_KEY_F12},
{"F13", GRUB_TERM_KEY_F1 | GRUB_TERM_SHIFT},
{"F14", GRUB_TERM_KEY_F2 | GRUB_TERM_SHIFT},
{"F15", GRUB_TERM_KEY_F3 | GRUB_TERM_SHIFT},
{"F16", GRUB_TERM_KEY_F4 | GRUB_TERM_SHIFT},
{"F17", GRUB_TERM_KEY_F5 | GRUB_TERM_SHIFT},
{"F18", GRUB_TERM_KEY_F6 | GRUB_TERM_SHIFT},
{"F19", GRUB_TERM_KEY_F7 | GRUB_TERM_SHIFT},
{"F20", GRUB_TERM_KEY_F8 | GRUB_TERM_SHIFT},
{"F21", GRUB_TERM_KEY_F9 | GRUB_TERM_SHIFT},
{"F22", GRUB_TERM_KEY_F10 | GRUB_TERM_SHIFT},
{"F23", GRUB_TERM_KEY_F11 | GRUB_TERM_SHIFT},
{"F24", GRUB_TERM_KEY_F12 | GRUB_TERM_SHIFT},
{"Console_13", GRUB_TERM_KEY_F1 | GRUB_TERM_ALT},
{"Console_14", GRUB_TERM_KEY_F2 | GRUB_TERM_ALT},
{"Console_15", GRUB_TERM_KEY_F3 | GRUB_TERM_ALT},
{"Console_16", GRUB_TERM_KEY_F4 | GRUB_TERM_ALT},
{"Console_17", GRUB_TERM_KEY_F5 | GRUB_TERM_ALT},
{"Console_18", GRUB_TERM_KEY_F6 | GRUB_TERM_ALT},
{"Console_19", GRUB_TERM_KEY_F7 | GRUB_TERM_ALT},
{"Console_20", GRUB_TERM_KEY_F8 | GRUB_TERM_ALT},
{"Console_21", GRUB_TERM_KEY_F9 | GRUB_TERM_ALT},
{"Console_22", GRUB_TERM_KEY_F10 | GRUB_TERM_ALT},
{"Console_23", GRUB_TERM_KEY_F11 | GRUB_TERM_ALT},
{"Console_24", GRUB_TERM_KEY_F12 | GRUB_TERM_ALT},
{"Console_25", GRUB_TERM_KEY_F1 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_26", GRUB_TERM_KEY_F2 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_27", GRUB_TERM_KEY_F3 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_28", GRUB_TERM_KEY_F4 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_29", GRUB_TERM_KEY_F5 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_30", GRUB_TERM_KEY_F6 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_31", GRUB_TERM_KEY_F7 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_32", GRUB_TERM_KEY_F8 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_33", GRUB_TERM_KEY_F9 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_34", GRUB_TERM_KEY_F10 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_35", GRUB_TERM_KEY_F11 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Console_36", GRUB_TERM_KEY_F12 | GRUB_TERM_SHIFT | GRUB_TERM_ALT},
{"Insert", GRUB_TERM_KEY_INSERT},
{"Down", GRUB_TERM_KEY_DOWN},
{"Up", GRUB_TERM_KEY_UP},
{"Home", GRUB_TERM_KEY_HOME},
{"End", GRUB_TERM_KEY_END},
{"Right", GRUB_TERM_KEY_RIGHT},
{"Left", GRUB_TERM_KEY_LEFT},
{"Next", GRUB_TERM_KEY_NPAGE},
{"Prior", GRUB_TERM_KEY_PPAGE},
{"Remove", GRUB_TERM_KEY_DC},
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{"VoidSymbol", 0},
/* "Undead" keys since no dead key support in GRUB. */
{"dead_acute", '\''},
{"dead_circumflex", '^'},
{"dead_grave", '`'},
{"dead_tilde", '~'},
{"dead_diaeresis", '"'},
/* Following ones don't provide any useful symbols for shell. */
{"dead_cedilla", 0},
{"dead_ogonek", 0},
{"dead_caron", 0},
{"dead_breve", 0},
{"dead_doubleacute", 0},
/* Unused in GRUB. */
{"Pause", 0},
{"Scroll_Forward", 0},
{"Scroll_Backward", 0},
{"Hex_0", 0},
{"Hex_1", 0},
{"Hex_2", 0},
{"Hex_3", 0},
{"Hex_4", 0},
{"Hex_5", 0},
{"Hex_6", 0},
{"Hex_7", 0},
{"Hex_8", 0},
{"Hex_9", 0},
{"Hex_A", 0},
{"Hex_B", 0},
{"Hex_C", 0},
{"Hex_D", 0},
{"Hex_E", 0},
{"Hex_F", 0},
{"Scroll_Lock", 0},
{"Show_Memory", 0},
{"Show_Registers", 0},
{"Control_backslash", 0},
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{"Compose", 0},
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{NULL, '\0'}
};
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static grub_uint8_t linux_to_usb_map[128] = {
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/* 0x00 */ 0 /* Unused */, GRUB_KEYBOARD_KEY_ESCAPE,
/* 0x02 */ GRUB_KEYBOARD_KEY_1, GRUB_KEYBOARD_KEY_2,
/* 0x04 */ GRUB_KEYBOARD_KEY_3, GRUB_KEYBOARD_KEY_4,
/* 0x06 */ GRUB_KEYBOARD_KEY_5, GRUB_KEYBOARD_KEY_6,
/* 0x08 */ GRUB_KEYBOARD_KEY_7, GRUB_KEYBOARD_KEY_8,
/* 0x0a */ GRUB_KEYBOARD_KEY_9, GRUB_KEYBOARD_KEY_0,
/* 0x0c */ GRUB_KEYBOARD_KEY_DASH, GRUB_KEYBOARD_KEY_EQUAL,
/* 0x0e */ GRUB_KEYBOARD_KEY_BACKSPACE, GRUB_KEYBOARD_KEY_TAB,
/* 0x10 */ GRUB_KEYBOARD_KEY_Q, GRUB_KEYBOARD_KEY_W,
/* 0x12 */ GRUB_KEYBOARD_KEY_E, GRUB_KEYBOARD_KEY_R,
/* 0x14 */ GRUB_KEYBOARD_KEY_T, GRUB_KEYBOARD_KEY_Y,
/* 0x16 */ GRUB_KEYBOARD_KEY_U, GRUB_KEYBOARD_KEY_I,
/* 0x18 */ GRUB_KEYBOARD_KEY_O, GRUB_KEYBOARD_KEY_P,
/* 0x1a */ GRUB_KEYBOARD_KEY_LBRACKET, GRUB_KEYBOARD_KEY_RBRACKET,
/* 0x1c */ GRUB_KEYBOARD_KEY_ENTER, GRUB_KEYBOARD_KEY_LEFT_CTRL,
/* 0x1e */ GRUB_KEYBOARD_KEY_A, GRUB_KEYBOARD_KEY_S,
/* 0x20 */ GRUB_KEYBOARD_KEY_D, GRUB_KEYBOARD_KEY_F,
/* 0x22 */ GRUB_KEYBOARD_KEY_G, GRUB_KEYBOARD_KEY_H,
/* 0x24 */ GRUB_KEYBOARD_KEY_J, GRUB_KEYBOARD_KEY_K,
/* 0x26 */ GRUB_KEYBOARD_KEY_L, GRUB_KEYBOARD_KEY_SEMICOLON,
/* 0x28 */ GRUB_KEYBOARD_KEY_DQUOTE, GRUB_KEYBOARD_KEY_RQUOTE,
/* 0x2a */ GRUB_KEYBOARD_KEY_LEFT_SHIFT, GRUB_KEYBOARD_KEY_BACKSLASH,
/* 0x2c */ GRUB_KEYBOARD_KEY_Z, GRUB_KEYBOARD_KEY_X,
/* 0x2e */ GRUB_KEYBOARD_KEY_C, GRUB_KEYBOARD_KEY_V,
/* 0x30 */ GRUB_KEYBOARD_KEY_B, GRUB_KEYBOARD_KEY_N,
/* 0x32 */ GRUB_KEYBOARD_KEY_M, GRUB_KEYBOARD_KEY_COMMA,
/* 0x34 */ GRUB_KEYBOARD_KEY_DOT, GRUB_KEYBOARD_KEY_SLASH,
/* 0x36 */ GRUB_KEYBOARD_KEY_RIGHT_SHIFT, GRUB_KEYBOARD_KEY_NUMMUL,
/* 0x38 */ GRUB_KEYBOARD_KEY_LEFT_ALT, GRUB_KEYBOARD_KEY_SPACE,
/* 0x3a */ GRUB_KEYBOARD_KEY_CAPS_LOCK, GRUB_KEYBOARD_KEY_F1,
/* 0x3c */ GRUB_KEYBOARD_KEY_F2, GRUB_KEYBOARD_KEY_F3,
/* 0x3e */ GRUB_KEYBOARD_KEY_F4, GRUB_KEYBOARD_KEY_F5,
/* 0x40 */ GRUB_KEYBOARD_KEY_F6, GRUB_KEYBOARD_KEY_F7,
/* 0x42 */ GRUB_KEYBOARD_KEY_F8, GRUB_KEYBOARD_KEY_F9,
/* 0x44 */ GRUB_KEYBOARD_KEY_F10, GRUB_KEYBOARD_KEY_NUM_LOCK,
/* 0x46 */ GRUB_KEYBOARD_KEY_SCROLL_LOCK, GRUB_KEYBOARD_KEY_NUM7,
/* 0x48 */ GRUB_KEYBOARD_KEY_NUM8, GRUB_KEYBOARD_KEY_NUM9,
/* 0x4a */ GRUB_KEYBOARD_KEY_NUMMINUS, GRUB_KEYBOARD_KEY_NUM4,
/* 0x4c */ GRUB_KEYBOARD_KEY_NUM5, GRUB_KEYBOARD_KEY_NUM6,
/* 0x4e */ GRUB_KEYBOARD_KEY_NUMPLUS, GRUB_KEYBOARD_KEY_NUM1,
/* 0x50 */ GRUB_KEYBOARD_KEY_NUM2, GRUB_KEYBOARD_KEY_NUM3,
/* 0x52 */ GRUB_KEYBOARD_KEY_NUMDOT, GRUB_KEYBOARD_KEY_NUMDOT,
/* 0x54 */ 0, 0,
/* 0x56 */ GRUB_KEYBOARD_KEY_102ND, GRUB_KEYBOARD_KEY_F11,
/* 0x58 */ GRUB_KEYBOARD_KEY_F12, 0,
/* 0x5a */ 0, 0,
/* 0x5c */ 0, 0,
/* 0x5e */ 0, 0,
/* 0x60 */ GRUB_KEYBOARD_KEY_NUMENTER, GRUB_KEYBOARD_KEY_RIGHT_CTRL,
/* 0x62 */ GRUB_KEYBOARD_KEY_NUMSLASH, 0,
/* 0x64 */ GRUB_KEYBOARD_KEY_RIGHT_ALT, 0,
/* 0x66 */ GRUB_KEYBOARD_KEY_HOME, GRUB_KEYBOARD_KEY_UP,
/* 0x68 */ GRUB_KEYBOARD_KEY_PPAGE, GRUB_KEYBOARD_KEY_LEFT,
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/* 0x6a */ GRUB_KEYBOARD_KEY_RIGHT, GRUB_KEYBOARD_KEY_END,
/* 0x6c */ GRUB_KEYBOARD_KEY_DOWN, GRUB_KEYBOARD_KEY_NPAGE,
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/* 0x6e */ GRUB_KEYBOARD_KEY_INSERT, GRUB_KEYBOARD_KEY_DELETE
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};
static void
usage (int status)
{
if (status)
fprintf (stderr, "Try `%s --help' for more information.\n", program_name);
else
printf ("\
Usage: %s [OPTIONS] LAYOUT\n\
-o, --output set output base name file. Default is LAYOUT.gkb\n\
-h, --help display this message and exit.\n\
-V, --version print version information and exit.\n\
-v, --verbose print verbose messages.\n\
\n\
Report bugs to <%s>.\n", program_name, PACKAGE_BUGREPORT);
exit (status);
}
static void
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add_special_keys (struct grub_keyboard_layout *layout)
{
(void) layout;
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}
static unsigned
lookup (char *code, int shift)
{
int i;
struct console_grub_equivalence *pr;
if (shift)
pr = console_grub_equivalences_shift;
else
pr = console_grub_equivalences_unshift;
for (i = 0; pr[i].layout != NULL; i++)
if (strcmp (code, pr[i].layout) == 0)
return pr[i].grub;
for (i = 0; console_grub_equivalences_common[i].layout != NULL; i++)
if (strcmp (code, console_grub_equivalences_common[i].layout) == 0)
return console_grub_equivalences_common[i].grub;
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fprintf (stderr, "Unknown key %s\n", code);
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return '\0';
}
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static unsigned int
get_grub_code (char *layout_code, int shift)
{
unsigned int code;
if (strncmp (layout_code, "U+", sizeof ("U+") - 1) == 0)
sscanf (layout_code, "U+%x", &code);
else if (strncmp (layout_code, "+U+", sizeof ("+U+") - 1) == 0)
sscanf (layout_code, "+U+%x", &code);
else
code = lookup (layout_code, shift);
return code;
}
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static void
write_file (FILE *out, struct grub_keyboard_layout *layout)
{
grub_uint32_t version;
unsigned i;
version = grub_cpu_to_le32 (GRUB_KEYBOARD_LAYOUTS_VERSION);
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for (i = 0; i < ARRAY_SIZE (layout->keyboard_map); i++)
layout->keyboard_map[i] = grub_cpu_to_le32(layout->keyboard_map[i]);
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for (i = 0; i < ARRAY_SIZE (layout->keyboard_map_shift); i++)
layout->keyboard_map_shift[i]
= grub_cpu_to_le32(layout->keyboard_map_shift[i]);
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for (i = 0; i < ARRAY_SIZE (layout->keyboard_map_l3); i++)
layout->keyboard_map_l3[i]
= grub_cpu_to_le32(layout->keyboard_map_l3[i]);
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for (i = 0; i < ARRAY_SIZE (layout->keyboard_map_shift_l3); i++)
layout->keyboard_map_shift_l3[i]
= grub_cpu_to_le32(layout->keyboard_map_shift_l3[i]);
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fwrite (GRUB_KEYBOARD_LAYOUTS_FILEMAGIC, 1,
GRUB_KEYBOARD_LAYOUTS_FILEMAGIC_SIZE, out);
fwrite (&version, sizeof (version), 1, out);
fwrite (layout, 1, sizeof (*layout), out);
}
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static void
write_keymaps (FILE *in, FILE *out)
{
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struct grub_keyboard_layout layout;
char line[2048];
int ok;
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memset (&layout, 0, sizeof (layout));
/* Process the ckbcomp output and prepare the layouts. */
ok = 0;
while (fgets (line, sizeof (line), in))
{
if (strncmp (line, "keycode", sizeof ("keycode") - 1) == 0)
{
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unsigned keycode_linux;
unsigned keycode_usb;
char normal[64];
char shift[64];
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char normalalt[64];
char shiftalt[64];
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sscanf (line, "keycode %u = %60s %60s %60s %60s", &keycode_linux,
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normal, shift, normalalt, shiftalt);
/* Not used. */
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if (keycode_linux == 0x77 /* Pause */
/* Some obscure keys */
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|| keycode_linux == 0x63 || keycode_linux == 0x7d
|| keycode_linux == 0x7e)
continue;
/* Not remappable. */
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if (keycode_linux == 0x1d /* Left CTRL */
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|| keycode_linux == 0x61 /* Right CTRL */
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|| keycode_linux == 0x2a /* Left Shift. */
|| keycode_linux == 0x36 /* Right Shift. */
|| keycode_linux == 0x38 /* Left ALT. */
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|| keycode_linux == 0x64 /* Right ALT. */
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|| keycode_linux == 0x3a /* CapsLock. */
|| keycode_linux == 0x45 /* NumLock. */
|| keycode_linux == 0x46 /* ScrollLock. */)
continue;
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keycode_usb = linux_to_usb_map[keycode_linux];
if (keycode_usb == 0
|| keycode_usb >= GRUB_KEYBOARD_LAYOUTS_ARRAY_SIZE)
{
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fprintf (stderr, "Unknown keycode 0x%02x\n", keycode_linux);
continue;
}
if (keycode_usb < GRUB_KEYBOARD_LAYOUTS_ARRAY_SIZE)
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{
layout.keyboard_map[keycode_usb] = get_grub_code (normal, 0);
layout.keyboard_map_shift[keycode_usb] = get_grub_code (shift, 1);
layout.keyboard_map_l3[keycode_usb]
= get_grub_code (normalalt, 0);
layout.keyboard_map_shift_l3[keycode_usb]
= get_grub_code (shiftalt, 1);
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ok = 1;
}
}
}
if (ok == 0)
{
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fprintf (stderr, "ERROR: no keycodes found. Check output of %s.\n",
CKBCOMP);
exit (1);
}
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add_special_keys (&layout);
write_file (out, &layout);
}
int
main (int argc, char *argv[])
{
int verbosity;
char *infile_name = NULL;
char *outfile_name = NULL;
FILE *in, *out;
set_program_name (argv[0]);
verbosity = 0;
/* Check for options. */
while (1)
{
int c = getopt_long (argc, argv, "o:i:hVv", options, 0);
if (c == -1)
break;
else
switch (c)
{
case 'h':
usage (0);
break;
case 'i':
infile_name = optarg;
break;
case 'o':
outfile_name = optarg;
break;
case 'V':
printf ("%s (%s) %s\n", program_name, PACKAGE_NAME,
PACKAGE_VERSION);
return 0;
case 'v':
verbosity++;
break;
default:
usage (1);
break;
}
}
if (infile_name)
in = fopen (infile_name, "r");
else
in = stdin;
if (!in)
grub_util_error ("Couldn't open input file: %s\n", strerror (errno));
if (outfile_name)
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out = fopen (outfile_name, "wb");
else
out = stdout;
if (!out)
{
if (in != stdin)
fclose (in);
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grub_util_error ("Couldn't open output file: %s\n", strerror (errno));
}
write_keymaps (in, out);
if (in != stdin)
fclose (in);
if (out != stdout)
fclose (out);
return 0;
}