/*
Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
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.
 */
#ifndef _WCHAR_H_
#define _WCHAR_H_

#include <_ansi.h>

#include <stdio.h>

#define __need_size_t
#define __need_wchar_t
#define __need_wint_t
#define __need_NULL
#include <stddef.h>

/* For _mbstate_t definition. */
#include <sys/_types.h>
#include <sys/cdefs.h>
/* For __STDC_ISO_10646__ */
#include <sys/features.h>

#include <stdarg.h>

#if __XSI_VISIBLE /* && __XSI_VISIBLE < 800 */ && !__GNU_VISIBLE
#include <wctype.h>
#endif

#ifndef WEOF
# define WEOF ((wint_t)-1)
#endif

/* This must match definition in <stdint.h> */
#ifndef WCHAR_MIN
#ifdef __WCHAR_MIN__
#define WCHAR_MIN __WCHAR_MIN__
#elif defined(__WCHAR_UNSIGNED__) || (L'\0' - 1 > 0)
#define WCHAR_MIN (0 + L'\0')
#else
#define WCHAR_MIN (-0x7fffffff - 1 + L'\0')
#endif
#endif

/* This must match definition in <stdint.h> */
#ifndef WCHAR_MAX
#ifdef __WCHAR_MAX__
#define WCHAR_MAX __WCHAR_MAX__
#elif defined(__WCHAR_UNSIGNED__) || (L'\0' - 1 > 0)
#define WCHAR_MAX (0xffffffffu + L'\0')
#else
#define WCHAR_MAX (0x7fffffff + L'\0')
#endif
#endif

#if __POSIX_VISIBLE >= 200809
#include <sys/_locale.h>
#endif

_BEGIN_STD_C

#if __POSIX_VISIBLE >= 200809 || _XSI_VISIBLE
#if !defined(__FILE_defined)
typedef __FILE FILE;
# define __FILE_defined
#endif
#endif

/* As required by POSIX.1-2008, declare tm as incomplete type.
   The actual definition is in time.h. */
struct tm;

#ifndef _MBSTATE_T
#define _MBSTATE_T
typedef _mbstate_t mbstate_t;
#endif /* _MBSTATE_T */

wint_t	btowc (int);
int	wctob (wint_t);
size_t	mbrlen (const char *__restrict, size_t, mbstate_t *__restrict);
size_t	mbrtowc (wchar_t *__restrict, const char *__restrict, size_t,
						mbstate_t *__restrict);
int	mbsinit (const mbstate_t *);
#if __POSIX_VISIBLE >= 200809
size_t	mbsnrtowcs (wchar_t *__restrict, const char **__restrict,
				size_t, size_t, mbstate_t *__restrict);
#endif
size_t	mbsrtowcs (wchar_t *__restrict, const char **__restrict, size_t,
				mbstate_t *__restrict);
size_t	wcrtomb (char *__restrict, wchar_t, mbstate_t *__restrict);
#if __POSIX_VISIBLE >= 200809
size_t	wcsnrtombs (char *__restrict, const wchar_t **__restrict,
				size_t, size_t, mbstate_t *__restrict);
#endif
size_t	wcsrtombs (char *__restrict, const wchar_t **__restrict,
				size_t, mbstate_t *__restrict);
#if __POSIX_VISIBLE >= 200809
int	wcscasecmp (const wchar_t *, const wchar_t *);
#endif
wchar_t	*wcscat (wchar_t *__restrict, const wchar_t *__restrict);
wchar_t	*wcschr (const wchar_t *, wchar_t);
int	wcscmp (const wchar_t *, const wchar_t *);
int	wcscoll (const wchar_t *, const wchar_t *);
wchar_t	*wcscpy (wchar_t *__restrict, const wchar_t *__restrict);
#if __POSIX_VISIBLE >= 200809
wchar_t	*wcpcpy (wchar_t *__restrict,
				 const wchar_t *__restrict);
void	free (void *) _NOTHROW;
wchar_t	*wcsdup (const wchar_t *) __malloc_like __result_use_check;
#endif
size_t	wcscspn (const wchar_t *, const wchar_t *);
size_t  wcsftime (wchar_t *__restrict, size_t,
				const wchar_t *__restrict, const struct tm *__restrict);
#if __GNU_VISIBLE
size_t  wcsftime_l (wchar_t *__restrict, size_t, const wchar_t *__restrict,
		    const struct tm *__restrict, locale_t);
#endif
size_t	wcslcat (wchar_t *, const wchar_t *, size_t);
size_t	wcslcpy (wchar_t *, const wchar_t *, size_t);
size_t	wcslen (const wchar_t *);
#if __POSIX_VISIBLE >= 200809
int	wcsncasecmp (const wchar_t *, const wchar_t *, size_t);
#endif
wchar_t	*wcsncat (wchar_t *__restrict,
				 const wchar_t *__restrict, size_t);
int	wcsncmp (const wchar_t *, const wchar_t *, size_t);
wchar_t	*wcsncpy (wchar_t *__restrict,
				 const wchar_t *__restrict, size_t);
#if __POSIX_VISIBLE >= 200809
wchar_t	*wcpncpy (wchar_t *__restrict,
				 const wchar_t *__restrict, size_t);
size_t	wcsnlen (const wchar_t *, size_t);
#endif
wchar_t	*wcspbrk (const wchar_t *, const wchar_t *);
wchar_t	*wcsrchr (const wchar_t *, wchar_t);
size_t	wcsspn (const wchar_t *, const wchar_t *);
wchar_t	*wcsstr (const wchar_t *__restrict,
				 const wchar_t *__restrict);
wchar_t	*wcstok (wchar_t *__restrict, const wchar_t *__restrict,
				 wchar_t **__restrict);
double wcstod (const wchar_t *__restrict, wchar_t **__restrict);
#if __ISO_C_VISIBLE >= 1999
float wcstof (const wchar_t *__restrict, wchar_t **__restrict);
#endif
#if __XSI_VISIBLE
int	wcswidth (const wchar_t *, size_t);
#endif
size_t	wcsxfrm (wchar_t *__restrict, const wchar_t *__restrict,
				size_t);
#if __POSIX_VISIBLE >= 200809
extern int wcscasecmp_l (const wchar_t *, const wchar_t *, locale_t);
extern int wcsncasecmp_l (const wchar_t *, const wchar_t *, size_t, locale_t);
extern int wcscoll_l (const wchar_t *, const wchar_t *, locale_t);
extern size_t wcsxfrm_l (wchar_t *__restrict, const wchar_t *__restrict, size_t,
			 locale_t);
#endif

#if __XSI_VISIBLE
int	wcwidth (const wchar_t);
#endif
wchar_t	*wmemchr (const wchar_t *, wchar_t, size_t);
int	wmemcmp (const wchar_t *, const wchar_t *, size_t);
wchar_t	*wmemcpy (wchar_t *__restrict, const wchar_t *__restrict,
				 size_t);
wchar_t	*wmemmove (wchar_t *, const wchar_t *, size_t);
#if __GNU_VISIBLE
wchar_t	*wmempcpy (wchar_t *__restrict, const wchar_t *__restrict,
				 size_t);
#endif
wchar_t	*wmemset (wchar_t *, wchar_t, size_t);

long    wcstol (const wchar_t *__restrict, wchar_t **__restrict, int);
#if __ISO_C_VISIBLE >= 1999
long long wcstoll (const wchar_t *__restrict, wchar_t **__restrict,
				  int);
#endif
unsigned long wcstoul (const wchar_t *__restrict, wchar_t **__restrict,
					  int);
#if __ISO_C_VISIBLE >= 1999
unsigned long long wcstoull (const wchar_t *__restrict,
						   wchar_t **__restrict, int);
#endif
#if __ISO_C_VISIBLE >= 1999
long double wcstold (const wchar_t *, wchar_t **);
#endif

#if __GNU_VISIBLE
long wcstol_l (const wchar_t *__restrict, wchar_t **__restrict, int, locale_t);
long long wcstoll_l (const wchar_t *__restrict, wchar_t **__restrict, int,
		     locale_t);
unsigned long wcstoul_l (const wchar_t *__restrict, wchar_t **__restrict, int,
			 locale_t);
unsigned long long wcstoull_l (const wchar_t *__restrict, wchar_t **__restrict,
			       int, locale_t);
double wcstod_l (const wchar_t *, wchar_t **, locale_t);
float wcstof_l (const wchar_t *, wchar_t **, locale_t);
long double wcstold_l (const wchar_t *, wchar_t **, locale_t);
#endif

wint_t fgetwc (__FILE *);
wchar_t *fgetws (wchar_t *__restrict, int, __FILE *__restrict);
wint_t fputwc (wchar_t, __FILE *);
int fputws (const wchar_t *__restrict, __FILE *__restrict);
#if __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE >= 500
int fwide (__FILE *, int);
#endif
wint_t getwc (__FILE *);
wint_t getwchar (void);
wint_t putwc (wchar_t, __FILE *);
wint_t putwchar (wchar_t);
wint_t ungetwc (wint_t wc, __FILE *);

#if __GNU_VISIBLE
wint_t fgetwc_unlocked (__FILE *);
wchar_t *fgetws_unlocked (wchar_t *__restrict, int, __FILE *__restrict);
wint_t fputwc_unlocked (wchar_t, __FILE *);
int fputws_unlocked (const wchar_t *__restrict, __FILE *__restrict);
wint_t getwc_unlocked (__FILE *);
wint_t getwchar_unlocked (void);
wint_t putwc_unlocked (wchar_t, __FILE *);
wint_t putwchar_unlocked (wchar_t);
#endif

#if __POSIX_VISIBLE >= 200809
__FILE *open_wmemstream (wchar_t **, size_t *);
#endif

#if __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE >= 500
int	fwprintf (__FILE *__restrict, const wchar_t *__restrict, ...);
int	swprintf (wchar_t *__restrict, size_t,
			const wchar_t *__restrict, ...);
int	vfwprintf (__FILE *__restrict, const wchar_t *__restrict,
			va_list);
int	vswprintf (wchar_t *__restrict, size_t,
			const wchar_t *__restrict, va_list);
int	vwprintf (const wchar_t *__restrict, va_list);
int	wprintf (const wchar_t *__restrict, ...);
#endif

#if __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE >= 500
int	fwscanf (__FILE *__restrict, const wchar_t *__restrict, ...);
int	swscanf (const wchar_t *__restrict,
			const wchar_t *__restrict, ...);
int	vfwscanf (__FILE *__restrict, const wchar_t *__restrict,
			va_list);
int	vswscanf (const wchar_t *__restrict, const wchar_t *__restrict,
			va_list);
int	vwscanf (const wchar_t *__restrict, va_list);
int	wscanf (const wchar_t *__restrict, ...);
#endif

#define getwc(fp)	fgetwc(fp)
#define putwc(wc,fp)	fputwc((wc), (fp))
#define getwchar()	fgetwc(stdin)
#define putwchar(wc)	fputwc((wc), stdout)

#if __GNU_VISIBLE
#define getwc_unlocked(fp)	fgetwc_unlocked(fp)
#define putwc_unlocked(wc,fp)	fputwc_unlocked((wc), (fp))
#define getwchar_unlocked()	fgetwc_unlocked(stdin)
#define putwchar_unlocked(wc)	fputwc_unlocked((wc), stdout)
#endif

_END_STD_C

#if __SSP_FORTIFY_LEVEL > 0
#include <ssp/wchar.h>
#endif

#endif /* _WCHAR_H_ */
