/*	$NetBSD: multibyte_c90.c,v 1.12 2013/08/18 20:03:48 joerg Exp $	*/

/*-
 * Copyright (c)2002, 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>
#include <sys/types.h>
#include <assert.h>
#include <errno.h>
#include <langinfo.h>
#define __SETLOCALE_SOURCE__
#include <locale.h>
#include <stdlib.h>
#include <wchar.h>

#include "setlocale_local.h"

#include "citrus_module.h"
#include "citrus_ctype.h"
#include "runetype_local.h"
#include "multibyte.h"

int mblen_l(const char *s, size_t n, locale_t loc) {
  int ret;
  int err0;

  err0 = _citrus_ctype_mblen(_CITRUS_CTYPE(loc), s, n, &ret);
  if (err0)
    errno = err0;

  return ret;
}

int mblen(const char *s, size_t n) {
  return mblen_l(s, n, _current_locale());
}

size_t mbstowcs_l(wchar_t *pwcs, const char *s, size_t n, locale_t loc) {
  size_t ret;
  int err0;

  err0 = _citrus_ctype_mbstowcs(_CITRUS_CTYPE(loc), pwcs, s, n, &ret);
  if (err0)
    errno = err0;

  return ret;
}

size_t mbstowcs(wchar_t *pwcs, const char *s, size_t n) {
  return mbstowcs_l(pwcs, s, n, _current_locale());
}

int mbtowc_l(wchar_t *pw, const char *s, size_t n, locale_t loc) {
  int ret;
  int err0;

  err0 = _citrus_ctype_mbtowc(_CITRUS_CTYPE(loc), pw, s, n, &ret);
  if (err0)
    errno = err0;

  return ret;
}

int mbtowc(wchar_t *pw, const char *s, size_t n) {
  return mbtowc_l(pw, s, n, _current_locale());
}

size_t wcstombs_l(char *s, const wchar_t *wcs, size_t n, locale_t loc) {
  size_t ret;
  int err0;

  err0 = _citrus_ctype_wcstombs(_CITRUS_CTYPE(loc), s, wcs, n, &ret);
  if (err0)
    errno = err0;

  return ret;
}

size_t wcstombs(char *s, const wchar_t *wcs, size_t n) {
  return wcstombs_l(s, wcs, n, _current_locale());
}

size_t wcsnrtombs_l(char *s, const wchar_t **ppwcs, size_t in, size_t n,
                    mbstate_t *ps, locale_t loc) {
  size_t ret;
  int err0;

  _fixup_ps(_RUNE_LOCALE(loc), ps, s == NULL);

  err0 = _citrus_ctype_wcsnrtombs(_ps_to_ctype(ps, loc), s, ppwcs, in, n,
                                  _ps_to_private(ps), &ret);
  if (err0)
    errno = err0;

  return ret;
}

size_t wcsnrtombs(char *s, const wchar_t **ppwcs, size_t in, size_t n,
                  mbstate_t *ps) {
  return wcsnrtombs_l(s, ppwcs, in, n, ps, _current_locale());
}

int wctomb_l(char *s, wchar_t wc, locale_t loc) {
  int ret;
  int err0;

  err0 = _citrus_ctype_wctomb(_CITRUS_CTYPE(loc), s, wc, &ret);
  if (err0)
    errno = err0;

  return ret;
}

int wctomb(char *s, wchar_t wc) {
  return wctomb_l(s, wc, _current_locale());
}
