utils/src/locale.c
2020-12-09 16:34:00 +01:00

146 lines
2.9 KiB
C

/* $Id$ */
/* Copyright (c) 2005-2020 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Unix utils */
/* This program 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, version 3 of the License.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
/* constants */
#ifndef PROGNAME
# define PROGNAME "locale"
#endif
/* locale */
/* types */
typedef unsigned int Prefs;
#define LOCALE_PREFS_a 0x1
#define LOCALE_PREFS_m 0x2
#define LOCALE_PREFS_c 0x4
#define LOCALE_PREFS_k 0x8
/* prototypes */
static int _locale(Prefs * p, int argc, char * argv[]);
static int _usage(void);
/* functions */
/* locale */
static int _locale_locales(void);
static int _locale_charsets(void);
static int _locale_default(void);
static int _locale_do(Prefs * p, char const * locale);
static int _locale(Prefs * p, int argc, char * argv[])
{
int ret = 0;
int i;
if(*p & LOCALE_PREFS_a)
return _locale_locales();
if(*p & LOCALE_PREFS_m)
return _locale_charsets();
if(*p == 0 && argc == 0)
return _locale_default() ? 2 : 0;
for(i = 0; i < argc; i++)
ret += _locale_do(p, argv[i]);
return ret ? 2 : 0;
}
static int _locale_locales(void)
{
puts("C\nPOSIX");
return 0;
}
static int _locale_charsets(void)
{
puts("ISO_10646");
return 0;
}
static int _locale_default(void)
{
char * vars[] = { "LANG", NULL };
char ** p;
char * e;
for(p = vars; *p != NULL; p++)
{
printf("%s=", *p);
if((e = getenv(*p)) == NULL)
puts("\"\"");
else
puts(e);
}
if((e = getenv("LC_ALL")) == NULL)
e = "";
printf("%s%s\n", "LC_ALL=", e);
return 0;
}
static int _locale_do(Prefs * p, char const * locale)
{
/* FIXME implement */
return 0;
}
/* usage */
static int _usage(void)
{
fputs("Usage: " PROGNAME " [-a | -m]\n\
" PROGNAME " [-ck]\n", stderr);
return 1;
}
/* main */
int main(int argc, char * argv[])
{
Prefs p = 0;
int o;
while((o = getopt(argc, argv, "amck")) != -1)
switch(o)
{
case 'a':
p -= (p & (LOCALE_PREFS_m | LOCALE_PREFS_c
| LOCALE_PREFS_k));
p |= LOCALE_PREFS_a;
break;
case 'm':
p -= (p & (LOCALE_PREFS_a | LOCALE_PREFS_c
| LOCALE_PREFS_k));
p |= LOCALE_PREFS_m;
break;
case 'c':
p -= (p & (LOCALE_PREFS_a | LOCALE_PREFS_m));
p |= LOCALE_PREFS_c;
break;
case 'k':
p -= (p & (LOCALE_PREFS_a | LOCALE_PREFS_m));
p |= LOCALE_PREFS_k;
break;
default:
return _usage();
}
return _locale(&p, argc - optind, &argv[optind]);
}