libc/newlib/libc/locale/lctype.c

88 lines
2.8 KiB
C

/*
* 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 "setlocale.h"
#define LCCTYPE_SIZE (sizeof(struct lc_ctype_T) / sizeof(char *))
static char numone[] = { '\1', '\0'};
const struct lc_ctype_T _C_ctype_locale = {
"ASCII", /* codeset */
numone /* mb_cur_max */
#ifdef __HAVE_LOCALE_INFO_EXTENDED__
,
{ "0", "1", "2", "3", "4", /* outdigits */
"5", "6", "7", "8", "9" },
{ L"0", L"1", L"2", L"3", L"4", /* woutdigits */
L"5", L"6", L"7", L"8", L"9" }
#endif
};
/* NULL locale indicates global locale (called from setlocale) */
int
__ctype_load_locale (struct __locale_t *locale, const char *name,
void *f_wctomb, const char *charset, int mb_cur_max)
{
int ret;
struct lc_ctype_T ct;
char *bufp = NULL;
#ifdef __CYGWIN__
extern int __set_lc_ctype_from_win (const char *, const struct lc_ctype_T *,
struct lc_ctype_T *, char **, void *,
const char *, int);
ret = __set_lc_ctype_from_win (name, &_C_ctype_locale, &ct, &bufp,
f_wctomb, charset, mb_cur_max);
/* ret == -1: error, ret == 0: C/POSIX, ret > 0: valid */
if (ret >= 0)
{
struct lc_ctype_T *ctp = NULL;
if (ret > 0)
{
ctp = (struct lc_ctype_T *) calloc (1, sizeof *ctp);
if (!ctp)
{
free (bufp);
return -1;
}
*ctp = ct;
}
struct __lc_cats tmp = locale->lc_cat[LC_CTYPE];
locale->lc_cat[LC_CTYPE].ptr = ret == 0 ? &_C_ctype_locale : ctp;
locale->lc_cat[LC_CTYPE].buf = bufp;
/* If buf is not NULL, both pointers have been alloc'ed */
if (tmp.buf)
{
free ((void *) tmp.ptr);
free (tmp.buf);
}
ret = 0;
}
#else
/* TODO */
#endif
return ret;
}