minix/lib/libc/locale/generic_lc_all.c

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/* $NetBSD: generic_lc_all.c,v 1.4 2012/03/04 21:14:56 tnozaki Exp $ */
/*-
* Copyright (c)2008 Citrus Project,
* All rights reserved.
*
* 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
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: generic_lc_all.c,v 1.4 2012/03/04 21:14:56 tnozaki Exp $");
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
#include <assert.h>
#include <langinfo.h>
#define __SETLOCALE_SOURCE__
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "setlocale_local.h"
/*
* macro required by all template headers
*/
#define _PREFIX(name) __CONCAT(_generic_LC_ALL_, name)
#include "generic_lc_template_decl.h"
const char *
_generic_LC_ALL_setlocale(const char * __restrict name,
struct _locale_impl_t * __restrict locale)
{
_locale_set_t sl;
char head[_LOCALENAME_LEN_MAX * (_LC_LAST - 1)], *tail;
const char *tokens[_LC_LAST], *s, *t;
int load_locale_success, i, j;
sl = _find_category(1);
_DIAGASSERT(sl != NULL);
load_locale_success = 0;
if (name != NULL) {
strlcpy(&head[0], name, sizeof(head));
tokens[1] = &head[0];
tail = strchr(tokens[1], '/');
if (tail == NULL) {
for (i = 2; i < _LC_LAST; ++i)
tokens[i] = tokens[1];
} else {
*tail++ = '\0';
for (i = 2; i < _LC_LAST - 1; ++i) {
tokens[i] = (const char *)tail;
tail = strchr(tokens[i], '/');
if (tail == NULL)
return NULL;
*tail++ = '\0';
}
tokens[_LC_LAST - 1] = (const char *)tail;
tail = strchr(tokens[i], '/');
if (tail != NULL)
return NULL;
}
if ((*sl)(tokens[1], locale) != NULL)
load_locale_success = 1;
}
s = (*sl)(NULL, locale);
_DIAGASSERT(s != NULL);
strlcpy(&locale->query[0], s, sizeof(locale->query));
for (i = 2, j = 0; i < _LC_LAST; ++i) {
sl = _find_category(i);
_DIAGASSERT(sl != NULL);
if (name != NULL) {
if ((*sl)(tokens[i], locale) != NULL)
load_locale_success = 1;
}
t = (*sl)(NULL, locale);
_DIAGASSERT(t != NULL);
if (j == 0) {
if (!strcmp(s, t))
continue;
for (j = 2; j < i; ++j) {
strlcat(&locale->query[0], "/",
sizeof(locale->query));
strlcat(&locale->query[0], s,
sizeof(locale->query));
}
}
strlcat(&locale->query[0], "/", sizeof(locale->query));
strlcat(&locale->query[0], t, sizeof(locale->query));
}
if (name != NULL && !load_locale_success)
return NULL;
return (const char *)&locale->query[0];
}