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632ddb8753
Previously only one of two cases reported the file name. Use the same error string in both cases. Sponsored by: The FreeBSD Foundation
872 lines
18 KiB
C
872 lines
18 KiB
C
/*-
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* Copyright (c) 2002 Jonathan Belson <jon@witchspace.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/queue.h>
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#include <sys/sysctl.h>
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#include <assert.h>
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#include <ctype.h>
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#include <dirent.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stringlist.h>
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#include <unistd.h>
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#include "kbdmap.h"
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static const char *lang_default = DEFAULT_LANG;
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static const char *font;
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static const char *lang;
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static const char *program;
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static const char *keymapdir = DEFAULT_VT_KEYMAP_DIR;
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static const char *fontdir = DEFAULT_VT_FONT_DIR;
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static const char *font_default = DEFAULT_VT_FONT;
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static const char *sysconfig = DEFAULT_SYSCONFIG;
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static const char *font_current;
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static const char *dir;
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static const char *menu = "";
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static int x11;
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static int using_vt;
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static int show;
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static int verbose;
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static int print;
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struct keymap {
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char *desc;
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char *keym;
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int mark;
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SLIST_ENTRY(keymap) entries;
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};
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static SLIST_HEAD(slisthead, keymap) head = SLIST_HEAD_INITIALIZER(head);
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/*
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* Get keymap entry for 'key', or NULL of not found
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*/
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static struct keymap *
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get_keymap(const char *key)
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{
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struct keymap *km;
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SLIST_FOREACH(km, &head, entries)
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if (!strcmp(km->keym, key))
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return km;
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return NULL;
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}
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/*
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* Count the number of keymaps we found
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*/
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static int
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get_num_keymaps(void)
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{
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struct keymap *km;
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int count = 0;
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SLIST_FOREACH(km, &head, entries)
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count++;
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return count;
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}
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/*
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* Remove any keymap with given keym
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*/
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static void
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remove_keymap(const char *keym)
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{
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struct keymap *km;
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SLIST_FOREACH(km, &head, entries) {
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if (!strcmp(keym, km->keym)) {
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SLIST_REMOVE(&head, km, keymap, entries);
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free(km);
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break;
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}
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}
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}
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/*
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* Add to hash with 'key'
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*/
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static void
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add_keymap(const char *desc, int mark, const char *keym)
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{
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struct keymap *km, *km_new;
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/* Is there already an entry with this key? */
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SLIST_FOREACH(km, &head, entries) {
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if (!strcmp(km->keym, keym)) {
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/* Reuse this entry */
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free(km->desc);
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km->desc = strdup(desc);
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km->mark = mark;
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return;
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}
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}
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km_new = (struct keymap *) malloc (sizeof(struct keymap));
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km_new->desc = strdup(desc);
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km_new->keym = strdup(keym);
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km_new->mark = mark;
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/* Add to keymap list */
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SLIST_INSERT_HEAD(&head, km_new, entries);
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}
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/*
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* Return 0 if syscons is in use (to select legacy defaults).
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*/
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static int
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check_vt(void)
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{
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size_t len;
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char term[3];
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len = 3;
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if (sysctlbyname("kern.vty", &term, &len, NULL, 0) != 0 ||
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strcmp(term, "vt") != 0)
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return 0;
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return 1;
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}
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/*
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* Figure out the default language to use.
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*/
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static const char *
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get_locale(void)
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{
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const char *locale;
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if ((locale = getenv("LC_ALL")) == NULL &&
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(locale = getenv("LC_CTYPE")) == NULL &&
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(locale = getenv("LANG")) == NULL)
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locale = lang_default;
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/* Check for alias */
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if (!strcmp(locale, "C"))
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locale = DEFAULT_LANG;
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return locale;
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}
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/*
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* Extract filename part
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*/
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static const char *
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extract_name(const char *name)
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{
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char *p;
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p = strrchr(name, '/');
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if (p != NULL && p[1] != '\0')
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return p + 1;
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return name;
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}
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/*
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* Return file extension or NULL
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*/
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static char *
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get_extension(const char *name)
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{
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char *p;
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p = strrchr(name, '.');
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if (p != NULL && p[1] != '\0')
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return p;
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return NULL;
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}
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/*
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* Read font from /etc/rc.conf else return default.
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* Freeing the memory is the caller's responsibility.
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*/
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static char *
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get_font(void)
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{
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char line[256], buf[20];
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char *fnt = NULL;
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FILE *fp = fopen(sysconfig, "r");
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if (fp) {
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while (fgets(line, sizeof(line), fp)) {
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int a, b, matches;
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if (line[0] == '#')
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continue;
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matches = sscanf(line,
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" font%dx%d = \"%20[-.0-9a-zA-Z_]",
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&a, &b, buf);
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if (matches==3) {
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if (strcmp(buf, "NO")) {
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if (fnt)
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free(fnt);
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fnt = (char *) malloc(strlen(buf) + 1);
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strcpy(fnt, buf);
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}
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}
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}
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fclose(fp);
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} else
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fprintf(stderr, "Could not open %s for reading\n", sysconfig);
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return fnt;
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}
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/*
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* Set a font using 'vidcontrol'
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*/
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static void
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vidcontrol(const char *fnt)
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{
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char *tmp, *p, *q, *cmd;
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char ch;
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int i;
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/* syscons test failed */
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if (x11)
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return;
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if (using_vt) {
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asprintf(&cmd, "vidcontrol -f %s", fnt);
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system(cmd);
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free(cmd);
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return;
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}
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tmp = strdup(fnt);
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/* Extract font size */
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p = strrchr(tmp, '-');
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if (p && p[1] != '\0') {
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p++;
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/* Remove any '.fnt' extension */
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if ((q = strstr(p, ".fnt")))
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*q = '\0';
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/*
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* Check font size is valid, with no trailing characters
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* ('&ch' should not be matched)
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*/
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if (sscanf(p, "%dx%d%c", &i, &i, &ch) != 2)
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fprintf(stderr, "Which font size? %s\n", fnt);
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else {
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asprintf(&cmd, "vidcontrol -f %s %s", p, fnt);
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if (verbose)
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fprintf(stderr, "%s\n", cmd);
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system(cmd);
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free(cmd);
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}
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} else
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fprintf(stderr, "Which font size? %s\n", fnt);
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free(tmp);
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}
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/*
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* Execute 'kbdcontrol' with the appropriate arguments
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*/
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static void
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do_kbdcontrol(struct keymap *km)
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{
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char *kbd_cmd;
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asprintf(&kbd_cmd, "kbdcontrol -l %s/%s", dir, km->keym);
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if (!x11)
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system(kbd_cmd);
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fprintf(stderr, "keymap=\"%s\"\n", km->keym);
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free(kbd_cmd);
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}
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/*
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* Call 'vidcontrol' with the appropriate arguments
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*/
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static void
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do_vidfont(struct keymap *km)
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{
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char *vid_cmd, *tmp, *p, *q;
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asprintf(&vid_cmd, "%s/%s", dir, km->keym);
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vidcontrol(vid_cmd);
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free(vid_cmd);
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tmp = strdup(km->keym);
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p = strrchr(tmp, '-');
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if (p && p[1]!='\0') {
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p++;
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q = get_extension(p);
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if (q) {
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*q = '\0';
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printf("font%s=%s\n", p, km->keym);
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}
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}
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free(tmp);
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}
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/*
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* Display dialog from 'keymaps[]'
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*/
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static void
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show_dialog(struct keymap **km_sorted, int num_keymaps)
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{
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FILE *fp;
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char *cmd, *dialog;
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char tmp_name[] = "/tmp/_kbd_lang.XXXX";
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int fd, i, size;
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fd = mkstemp(tmp_name);
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if (fd == -1) {
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fprintf(stderr, "Could not open temporary file \"%s\"\n",
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tmp_name);
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exit(1);
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}
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asprintf(&dialog, "/usr/bin/dialog --clear --title \"Keyboard Menu\" "
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"--menu \"%s\" 0 0 0", menu);
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/* start right font, assume that current font is equal
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* to default font in /etc/rc.conf
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*
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* $font is the font which require the language $lang; e.g.
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* russian *need* a koi8 font
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* $font_current is the current font from /etc/rc.conf
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*/
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if (font && strcmp(font, font_current))
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vidcontrol(font);
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/* Build up the command */
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size = 0;
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for (i=0; i<num_keymaps; i++) {
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/*
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* Each 'font' is passed as ' "font" ""', so allow the
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* extra space
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*/
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size += strlen(km_sorted[i]->desc) + 6;
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}
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/* Allow the space for '2> tmpfilename' redirection */
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size += strlen(tmp_name) + 3;
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cmd = (char *) malloc(strlen(dialog) + size + 1);
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strcpy(cmd, dialog);
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for (i=0; i<num_keymaps; i++) {
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strcat(cmd, " \"");
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strcat(cmd, km_sorted[i]->desc);
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strcat(cmd, "\"");
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strcat(cmd, " \"\"");
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}
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strcat(cmd, " 2>");
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strcat(cmd, tmp_name);
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/* Show the dialog.. */
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system(cmd);
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fp = fopen(tmp_name, "r");
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if (fp) {
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char choice[64];
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if (fgets(choice, sizeof(choice), fp) != NULL) {
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/* Find key for desc */
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for (i=0; i<num_keymaps; i++) {
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if (!strcmp(choice, km_sorted[i]->desc)) {
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if (!strcmp(program, "kbdmap"))
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do_kbdcontrol(km_sorted[i]);
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else
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do_vidfont(km_sorted[i]);
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break;
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}
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}
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} else {
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if (font != NULL && strcmp(font, font_current))
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/* Cancelled, restore old font */
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vidcontrol(font_current);
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}
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fclose(fp);
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} else
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fprintf(stderr, "Failed to open temporary file");
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/* Tidy up */
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remove(tmp_name);
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free(cmd);
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free(dialog);
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close(fd);
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}
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/*
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* Search for 'token' in comma delimited array 'buffer'.
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* Return true for found, false for not found.
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*/
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static int
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find_token(const char *buffer, const char *token)
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{
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char *buffer_tmp, *buffer_copy, *inputstring;
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char **ap;
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int found;
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buffer_copy = strdup(buffer);
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buffer_tmp = buffer_copy;
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inputstring = buffer_copy;
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ap = &buffer_tmp;
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found = 0;
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while ((*ap = strsep(&inputstring, ",")) != NULL) {
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if (strcmp(buffer_tmp, token) == 0) {
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found = 1;
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break;
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}
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}
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free(buffer_copy);
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return found;
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}
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/*
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* Compare function for qsort
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*/
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static int
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compare_keymap(const void *a, const void *b)
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{
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/* We've been passed pointers to pointers, so: */
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const struct keymap *km1 = *((const struct keymap * const *) a);
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const struct keymap *km2 = *((const struct keymap * const *) b);
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return strcmp(km1->desc, km2->desc);
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}
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/*
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* Compare function for qsort
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*/
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static int
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compare_lang(const void *a, const void *b)
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{
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const char *l1 = *((const char * const *) a);
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const char *l2 = *((const char * const *) b);
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return strcmp(l1, l2);
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}
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/*
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* Change '8x8' to '8x08' so qsort will put it before eg. '8x14'
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*/
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static void
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kludge_desc(struct keymap **km_sorted, int num_keymaps)
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{
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int i;
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for (i=0; i<num_keymaps; i++) {
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char *p;
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char *km = km_sorted[i]->desc;
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if ((p = strstr(km, "8x8")) != NULL) {
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int len;
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int j;
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int offset;
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offset = p - km;
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/* Make enough space for the extra '0' */
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len = strlen(km);
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km = realloc(km, len + 2);
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for (j=len; j!=offset+1; j--)
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km[j + 1] = km[j];
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km[offset+2] = '0';
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km_sorted[i]->desc = km;
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}
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}
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}
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/*
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* Reverse 'kludge_desc()' - change '8x08' back to '8x8'
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*/
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static void
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unkludge_desc(struct keymap **km_sorted, int num_keymaps)
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{
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int i;
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for (i=0; i<num_keymaps; i++) {
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char *p;
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char *km = km_sorted[i]->desc;
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if ((p = strstr(km, "8x08")) != NULL) {
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p += 2;
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while (*p++)
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p[-1] = p[0];
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km = realloc(km, p - km - 1);
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km_sorted[i]->desc = km;
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}
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}
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}
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/*
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* Return 0 if file exists and is readable, else -1
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*/
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static int
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check_file(const char *keym)
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{
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int status = 0;
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if (access(keym, R_OK) == -1) {
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char *fn;
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asprintf(&fn, "%s/%s", dir, keym);
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if (access(fn, R_OK) == -1) {
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if (verbose)
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fprintf(stderr, "%s not found!\n", fn);
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status = -1;
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}
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free(fn);
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} else {
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if (verbose)
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fprintf(stderr, "No read permission for %s!\n", keym);
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status = -1;
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}
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return status;
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}
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/*
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* Read options from the relevant configuration file, then
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* present to user.
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*/
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static void
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menu_read(void)
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{
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const char *lg;
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char *p;
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int mark, num_keymaps, items, i;
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char buffer[256], filename[PATH_MAX];
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char keym[64], lng[64], desc[256];
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char dialect[64], lang_abk[64];
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struct keymap *km;
|
|
struct keymap **km_sorted;
|
|
struct dirent *dp;
|
|
StringList *lang_list;
|
|
FILE *fp;
|
|
DIR *dirp;
|
|
|
|
lang_list = sl_init();
|
|
|
|
sprintf(filename, "%s/INDEX.%s", dir, extract_name(dir));
|
|
|
|
/* en_US.ISO8859-1 -> en_..\.ISO8859-1 */
|
|
strlcpy(dialect, lang, sizeof(dialect));
|
|
if (strlen(dialect) >= 6 && dialect[2] == '_') {
|
|
dialect[3] = '.';
|
|
dialect[4] = '.';
|
|
}
|
|
|
|
|
|
/* en_US.ISO8859-1 -> en */
|
|
strlcpy(lang_abk, lang, sizeof(lang_abk));
|
|
if (strlen(lang_abk) >= 3 && lang_abk[2] == '_')
|
|
lang_abk[2] = '\0';
|
|
|
|
fprintf(stderr, "lang_default = %s\n", lang_default);
|
|
fprintf(stderr, "dialect = %s\n", dialect);
|
|
fprintf(stderr, "lang_abk = %s\n", lang_abk);
|
|
|
|
fp = fopen(filename, "r");
|
|
if (fp) {
|
|
int matches;
|
|
while (fgets(buffer, sizeof(buffer), fp)) {
|
|
p = buffer;
|
|
if (p[0] == '#')
|
|
continue;
|
|
|
|
while (isspace(*p))
|
|
p++;
|
|
|
|
if (*p == '\0')
|
|
continue;
|
|
|
|
/* Parse input, removing newline */
|
|
matches = sscanf(p, "%64[^:]:%64[^:]:%256[^:\n]",
|
|
keym, lng, desc);
|
|
if (matches == 3) {
|
|
if (strcmp(keym, "FONT")
|
|
&& strcmp(keym, "MENU")) {
|
|
/* Check file exists & is readable */
|
|
if (check_file(keym) == -1)
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (show) {
|
|
/*
|
|
* Take note of supported languages, which
|
|
* might be in a comma-delimited list
|
|
*/
|
|
char *tmp = strdup(lng);
|
|
char *delim = tmp;
|
|
|
|
for (delim = tmp; ; ) {
|
|
char ch = *delim++;
|
|
if (ch == ',' || ch == '\0') {
|
|
delim[-1] = '\0';
|
|
if (!sl_find(lang_list, tmp))
|
|
sl_add(lang_list, tmp);
|
|
if (ch == '\0')
|
|
break;
|
|
tmp = delim;
|
|
}
|
|
}
|
|
}
|
|
/* Set empty language to default language */
|
|
if (lng[0] == '\0')
|
|
lg = lang_default;
|
|
else
|
|
lg = lng;
|
|
|
|
|
|
/* 4) Your choice if it exists
|
|
* 3) Long match eg. en_GB.ISO8859-1 is equal to
|
|
* en_..\.ISO8859-1
|
|
* 2) short match 'de'
|
|
* 1) default langlist 'en'
|
|
* 0) any language
|
|
*
|
|
* Language may be a comma separated list
|
|
* A higher match overwrites a lower
|
|
* A later entry overwrites a previous if it exists
|
|
* twice in the database
|
|
*/
|
|
|
|
/* Check for favoured language */
|
|
km = get_keymap(keym);
|
|
mark = (km) ? km->mark : 0;
|
|
|
|
if (find_token(lg, lang))
|
|
add_keymap(desc, 4, keym);
|
|
else if (mark <= 3 && find_token(lg, dialect))
|
|
add_keymap(desc, 3, keym);
|
|
else if (mark <= 2 && find_token(lg, lang_abk))
|
|
add_keymap(desc, 2, keym);
|
|
else if (mark <= 1 && find_token(lg, lang_default))
|
|
add_keymap(desc, 1, keym);
|
|
else if (mark <= 0)
|
|
add_keymap(desc, 0, keym);
|
|
}
|
|
fclose(fp);
|
|
|
|
} else
|
|
fprintf(stderr, "Could not open %s for reading\n", filename);
|
|
|
|
if (show) {
|
|
qsort(lang_list->sl_str, lang_list->sl_cur, sizeof(char*),
|
|
compare_lang);
|
|
printf("Currently supported languages: ");
|
|
for (i=0; i< (int) lang_list->sl_cur; i++)
|
|
printf("%s ", lang_list->sl_str[i]);
|
|
puts("");
|
|
exit(0);
|
|
}
|
|
|
|
km = get_keymap("MENU");
|
|
if (km)
|
|
/* Take note of menu title */
|
|
menu = strdup(km->desc);
|
|
km = get_keymap("FONT");
|
|
if (km)
|
|
/* Take note of language font */
|
|
font = strdup(km->desc);
|
|
|
|
/* Remove unwanted items from list */
|
|
remove_keymap("MENU");
|
|
remove_keymap("FONT");
|
|
|
|
/* Look for keymaps not in database */
|
|
dirp = opendir(dir);
|
|
if (dirp) {
|
|
while ((dp = readdir(dirp)) != NULL) {
|
|
const char *ext = get_extension(dp->d_name);
|
|
if (ext) {
|
|
if ((!strcmp(ext, ".fnt") ||
|
|
!strcmp(ext, ".kbd")) &&
|
|
!get_keymap(dp->d_name)) {
|
|
char *q;
|
|
|
|
/* Remove any .fnt or .kbd extension */
|
|
q = strdup(dp->d_name);
|
|
*(get_extension(q)) = '\0';
|
|
add_keymap(q, 0, dp->d_name);
|
|
free(q);
|
|
|
|
if (verbose)
|
|
fprintf(stderr,
|
|
"'%s' not in database\n",
|
|
dp->d_name);
|
|
}
|
|
}
|
|
}
|
|
closedir(dirp);
|
|
} else
|
|
fprintf(stderr, "Could not open directory '%s'\n", dir);
|
|
|
|
/* Sort items in keymap */
|
|
num_keymaps = get_num_keymaps();
|
|
|
|
km_sorted = (struct keymap **)
|
|
malloc(num_keymaps*sizeof(struct keymap *));
|
|
|
|
/* Make array of pointers to items in hash */
|
|
items = 0;
|
|
SLIST_FOREACH(km, &head, entries)
|
|
km_sorted[items++] = km;
|
|
|
|
/* Change '8x8' to '8x08' so sort works as we might expect... */
|
|
kludge_desc(km_sorted, num_keymaps);
|
|
|
|
qsort(km_sorted, num_keymaps, sizeof(struct keymap *), compare_keymap);
|
|
|
|
/* ...change back again */
|
|
unkludge_desc(km_sorted, num_keymaps);
|
|
|
|
if (print) {
|
|
for (i=0; i<num_keymaps; i++)
|
|
printf("%s\n", km_sorted[i]->desc);
|
|
exit(0);
|
|
}
|
|
|
|
show_dialog(km_sorted, num_keymaps);
|
|
|
|
free(km_sorted);
|
|
}
|
|
|
|
/*
|
|
* Display usage information and exit
|
|
*/
|
|
static void
|
|
usage(void)
|
|
{
|
|
|
|
fprintf(stderr, "usage: %s\t[-K] [-V] [-d|-default] [-h|-help] "
|
|
"[-l|-lang language]\n\t\t[-p|-print] [-r|-restore] [-s|-show] "
|
|
"[-v|-verbose]\n", program);
|
|
exit(1);
|
|
}
|
|
|
|
static void
|
|
parse_args(int argc, char **argv)
|
|
{
|
|
int i;
|
|
|
|
for (i=1; i<argc; i++) {
|
|
if (argv[i][0] != '-')
|
|
usage();
|
|
else if (!strcmp(argv[i], "-help") || !strcmp(argv[i], "-h"))
|
|
usage();
|
|
else if (!strcmp(argv[i], "-verbose") || !strcmp(argv[i], "-v"))
|
|
verbose = 1;
|
|
else if (!strcmp(argv[i], "-lang") || !strcmp(argv[i], "-l"))
|
|
if (i + 1 == argc)
|
|
usage();
|
|
else
|
|
lang = argv[++i];
|
|
else if (!strcmp(argv[i], "-default") || !strcmp(argv[i], "-d"))
|
|
lang = lang_default;
|
|
else if (!strcmp(argv[i], "-show") || !strcmp(argv[i], "-s"))
|
|
show = 1;
|
|
else if (!strcmp(argv[i], "-print") || !strcmp(argv[i], "-p"))
|
|
print = 1;
|
|
else if (!strcmp(argv[i], "-restore") ||
|
|
!strcmp(argv[i], "-r")) {
|
|
vidcontrol(font_current);
|
|
exit(0);
|
|
} else if (!strcmp(argv[i], "-K"))
|
|
dir = keymapdir;
|
|
else if (!strcmp(argv[i], "-V"))
|
|
dir = fontdir;
|
|
else
|
|
usage();
|
|
}
|
|
}
|
|
|
|
/*
|
|
* A front-end for the 'vidfont' and 'kbdmap' programs.
|
|
*/
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
|
|
x11 = system("kbdcontrol -d >/dev/null");
|
|
|
|
if (x11) {
|
|
fprintf(stderr, "You are not on a virtual console - "
|
|
"expect certain strange side-effects\n");
|
|
sleep(2);
|
|
}
|
|
|
|
using_vt = check_vt();
|
|
if (using_vt == 0) {
|
|
keymapdir = DEFAULT_SC_KEYMAP_DIR;
|
|
fontdir = DEFAULT_SC_FONT_DIR;
|
|
font_default = DEFAULT_SC_FONT;
|
|
}
|
|
|
|
SLIST_INIT(&head);
|
|
|
|
lang = get_locale();
|
|
|
|
program = extract_name(argv[0]);
|
|
|
|
font_current = get_font();
|
|
if (font_current == NULL)
|
|
font_current = font_default;
|
|
|
|
if (strcmp(program, "kbdmap"))
|
|
dir = fontdir;
|
|
else
|
|
dir = keymapdir;
|
|
|
|
/* Parse command line arguments */
|
|
parse_args(argc, argv);
|
|
|
|
/* Read and display options */
|
|
menu_read();
|
|
|
|
return 0;
|
|
}
|