setlocale.c revision 4fd606d1f5abe38e1f42c38de1d2e895166bd0f4
/** @file
Worker functions for the setlocale function.
Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that accompanies this distribution.
The full text of the license may be found at
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Paul Borman at Krystal Technologies.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
setlocale.c 8.1 (Berkeley) 7/4/93
* NetBSD: setlocale.c,v 1.50 2006/02/16 19:19:49 tnozaki Exp
**/
#include <LibConfig.h>
#include <sys/EfiCdefs.h>
#if defined(_MSC_VER)
// Disable warnings about assignment within conditional expressions.
#endif
#define _CTYPE_PRIVATE
#include "namespace.h"
#include <sys/localedef.h>
#include <assert.h>
#include <limits.h>
#include <ctype.h>
#define __SETLOCALE_SOURCE__
#include <locale.h>
#include <paths.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "rune.h"
#ifdef WITH_RUNE
#include "rune_local.h"
#else
#include "ctypeio.h"
#endif
#ifdef CITRUS
#include <citrus/citrus_namespace.h>
#include <citrus/citrus_region.h>
#include <citrus/citrus_lookup.h>
#include <citrus/citrus_bcs.h>
#else
#include "aliasname_local.h"
#define _lookup_alias(p, a, b, s, c) __unaliasname((p), (a), (b), (s))
#define _bcs_strcasecmp(a, b) strcasecmp((a), (b))
#endif
#define _LOCALE_SYM_FORCE "/force"
#ifndef WITH_RUNE
const char *_PathLocale = NULL;
#endif
/** Category names for getenv(). **/
static const char *const categories[_LC_LAST] = {
"LC_ALL",
"LC_COLLATE",
"LC_CTYPE",
"LC_MONETARY",
"LC_NUMERIC",
"LC_TIME",
"LC_MESSAGES"
};
/** Current locales for each category. **/
"C",
"C",
"C",
"C",
"C",
"C",
"C"
};
/*
* The locales we are going to try and load
*/
static char *currentlocale(void);
static void revert_to_default(int);
static int force_locale_enable(int);
static int load_locale_sub(int, const char *, int);
static char *loadlocale(int);
static const char *__get_locale_env(int);
char *
{
int i, loadlocale_success;
const char *env, *r;
//if (issetugid() ||
// (!_PathLocale && !(_PathLocale = getenv("PATH_LOCALE"))))
// _PathLocale = _PATH_LOCALE;
return (NULL);
if (!locale)
return (category ?
/*
* Default to the current locale for everything.
*/
for (i = 1; i < _LC_LAST; ++i)
sizeof(new_categories[i]));
/*
* Now go fill up new_categories from the locale argument
*/
if (!*locale) {
for (i = 1; i < _LC_LAST; ++i) {
env = __get_locale_env(i);
sizeof(new_categories[i]));
}
}
else {
sizeof(new_categories[category]));
}
} else if (category) {
sizeof(new_categories[category]));
} else {
for (i = 1; i < _LC_LAST; ++i) {
sizeof(new_categories[i]));
}
} else {
for (i = 1;;) {
_DIAGASSERT(*r == '/' || *r == 0);
_DIAGASSERT(*locale != 0);
if (*locale == '/')
return (NULL); /* invalid format. */
return (NULL); /* too long */
if (*r == 0)
break;
_DIAGASSERT(*r == '/');
if (*(locale = ++r) == 0)
/* slash followed by NUL */
return (NULL);
/* skip until NUL or '/' */
while (*r && *r != '/')
r++;
if (++i == _LC_LAST)
return (NULL); /* too many slashes. */
}
if (i + 1 != _LC_LAST)
return (NULL); /* too few slashes. */
}
}
if (category)
return (loadlocale(category));
loadlocale_success = 0;
for (i = 1; i < _LC_LAST; ++i) {
if (loadlocale(i) != NULL)
loadlocale_success = 1;
}
/*
* If all categories failed, return NULL; we don't need to back
* changes off, since none happened.
*/
if (!loadlocale_success)
return NULL;
return (currentlocale());
}
static char *
{
int i;
sizeof(current_locale_string));
for (i = 2; i < _LC_LAST; ++i)
(void)snprintf(current_locale_string,
sizeof(current_locale_string), "%s/%s/%s/%s/%s/%s",
break;
}
return (current_locale_string);
}
static void
{
switch (category) {
case LC_CTYPE:
#ifdef WITH_RUNE
(void)_xpg4_setrunelocale("C");
(void)__runetable_to_netbsd_ctype("C");
#else
if (_cClass != _C_CharClassTable) {
/* LINTED const castaway */
}
if (_uConvT != _C_ToUpperTable) {
/* LINTED const castaway */
}
if (_lConvT != _C_ToLowerTable) {
/* LINTED const castaway */
}
#endif
break;
case LC_MESSAGES:
case LC_COLLATE:
case LC_MONETARY:
case LC_NUMERIC:
case LC_TIME:
break;
}
}
static int
{
return 0;
}
static int
int category,
const char *locname,
int isspecial
)
{
/* check for the default locales */
return 0;
}
/* check whether special symbol */
return force_locale_enable(category);
/* sanity check */
return -1;
switch (category) {
case LC_CTYPE:
#ifdef WITH_RUNE
return -1;
if (__runetable_to_netbsd_ctype(locname)) {
/* very unfortunate, but need to go to "C" locale */
return -1;
}
#else
if (!__loadctype(name))
return -1;
#endif
break;
case LC_MESSAGES:
/*
* XXX we don't have LC_MESSAGES support yet,
* but catopen may use the value of LC_MESSAGES category.
* so return successfully if locale directory is present.
*/
/* local */
{
return -1;
return -1;
}
break;
case LC_COLLATE:
case LC_MONETARY:
case LC_NUMERIC:
case LC_TIME:
return -1;
}
return 0;
}
static char *
loadlocale(int category)
{
//char aliaspath[PATH_MAX], loccat[PATH_MAX], buf[PATH_MAX];
//const char *alias;
return (current_categories[category]);
/* (1) non-aliased file */
goto success;
//(void)snprintf(aliaspath, sizeof(aliaspath),
// "%s/" _LOCALE_ALIAS_NAME, _PathLocale);
//(void)snprintf(loccat, sizeof(loccat), "%s/%s",
// new_categories[category], categories[category]);
//alias = _lookup_alias(aliaspath, loccat, buf, sizeof(buf),
// _LOOKUP_CASE_SENSITIVE);
//if (!load_locale_sub(category, alias, 1))
// goto success;
///* (3) lookup locname type alias */
//alias = _lookup_alias(aliaspath, new_categories[category],
// buf, sizeof(buf), _LOOKUP_CASE_SENSITIVE);
//if (!load_locale_sub(category, alias, 1))
// goto success;
return NULL;
sizeof(current_categories[category]));
return current_categories[category];
}
static const char *
__get_locale_env(int category)
{
const char *env;
//_DIAGASSERT(category != LC_ALL);
///* 1. check LC_ALL. */
//env = getenv(categories[0]);
///* 2. check LC_* */
//if (!env || !*env)
// env = getenv(categories[category]);
///* 3. check LANG */
//if (!env || !*env)
// env = getenv("LANG");
///* 4. if none is set, fall to "C" */
//if (!env || !*env || strchr(env, '/'))
env = "C";
return env;
}