/*
 * Copyright 2008-2009 Haiku Inc. All Rights Reserved.
 * Distributed under the terms of the MIT License.
 */
#ifndef _WCHAR_H
#define _WCHAR_H


#include <stddef.h>
#include <stdio.h>


/* stddef.h is not supposed to define wint_t, but gcc 2.95.3's one does.
 * In all other cases we will do that. */
#ifndef _WINT_T
#define _WINT_T

#ifndef __WINT_TYPE__
#define __WINT_TYPE__ unsigned int
#endif

typedef __WINT_TYPE__ wint_t;

#endif	/* _WINT_T */

typedef int wctype_t;

typedef struct {
	int		__count;
	wint_t	__value;
} mbstate_t;


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

#define WCHAR_MIN	0x00000000UL
#define WCHAR_MAX	0x7FFFFFFFUL

/*
 * Haiku is always using UTF32 in wchars, other encodings can be handled
 * by converting to/from wchar by means of mbsrtowcs() or wcsrtombs().
 * TODO: define __STDC_ISO_10646__ accordingly in our compilers.
 */


#ifdef __cplusplus
extern "C" {
#endif

extern wint_t	btowc(int);

extern wint_t	fgetwc(FILE *);
extern wchar_t	*fgetws(wchar_t *, int, FILE *);
extern wint_t	fputwc(wchar_t, FILE *);
extern int		fputws(const wchar_t *, FILE *);
extern int		fwide(FILE *, int);
extern int		fwprintf(FILE *, const wchar_t *, ...);
extern int		fwscanf(FILE *, const wchar_t *, ...);
extern wint_t	getwc(FILE *);
extern wint_t	getwchar(void);

extern int		iswalnum(wint_t);
extern int		iswalpha(wint_t);
extern int		iswcntrl(wint_t);
extern int		iswctype(wint_t, wctype_t);
extern int		iswdigit(wint_t);
extern int		iswgraph(wint_t);
extern int		iswlower(wint_t);
extern int		iswprint(wint_t);
extern int		iswpunct(wint_t);
extern int		iswspace(wint_t);
extern int		iswupper(wint_t);
extern int		iswxdigit(wint_t);

extern size_t 	mbrlen(const char *s, size_t n, mbstate_t *ps);
extern size_t 	mbrtowc(wchar_t *pwc, const char *s, size_t n, mbstate_t *ps);
extern int		mbsinit(const mbstate_t *);
extern size_t	mbsrtowcs(wchar_t *dst, const char **src, size_t len,
					mbstate_t *ps);

extern wint_t	putwc(wchar_t, FILE *);
extern wint_t	putwchar(wchar_t);

extern int		swprintf(wchar_t *, size_t, const wchar_t *, ...);
extern int		swscanf(const wchar_t *, const wchar_t *, ...);

extern wint_t	towlower(wint_t);
extern wint_t	towupper(wint_t);
extern wint_t	ungetwc(wint_t, FILE *);

extern int		vfwprintf(FILE *, const wchar_t *, va_list);
extern int		vfwscanf(FILE *, const wchar_t *, va_list);
extern int		vswprintf(wchar_t *, size_t, const wchar_t *, va_list);
extern int		vswscanf(const wchar_t *, const wchar_t *, va_list);
extern int		vwprintf(const wchar_t *, va_list);
extern int		vwscanf(const wchar_t *, va_list);

extern size_t   wcrtomb(char *, wchar_t, mbstate_t *);
extern wchar_t	*wcscat(wchar_t *, const wchar_t *);
extern wchar_t	*wcschr(const wchar_t *, wchar_t);
extern int      wcscmp(const wchar_t *ws1, const wchar_t *ws2);
extern int      wcscoll(const wchar_t *ws1, const wchar_t *ws2);
extern wchar_t	*wcscpy(wchar_t *, const wchar_t *);
extern size_t	wcscspn(const wchar_t *, const wchar_t *);
extern wchar_t	*wcsdup(const wchar_t *);
extern size_t	wcsftime(wchar_t *, size_t, const wchar_t *, const struct tm *);
extern size_t	wcslen(const wchar_t *);
extern wchar_t 	*wcsncat(wchar_t *, const wchar_t *, size_t);
extern int		wcsncmp(const wchar_t *, const wchar_t *, size_t);
extern wchar_t	*wcsncpy(wchar_t *, const wchar_t *, size_t);
extern wchar_t	*wcspbrk(const wchar_t *, const wchar_t *);
extern wchar_t	*wcsrchr(const wchar_t *, wchar_t);
extern size_t   wcsrtombs(char *dst, const wchar_t **src, size_t len,
					mbstate_t *ps);
extern size_t	wcsspn(const wchar_t *, const wchar_t *);
extern wchar_t	*wcsstr(const wchar_t *, const wchar_t *);
extern double	wcstod(const wchar_t *, wchar_t **);
extern float	wcstof(const wchar_t *, wchar_t **);
extern wchar_t	*wcstok(wchar_t *, const wchar_t *, wchar_t **);
extern long		wcstol(const wchar_t *, wchar_t **, int);
extern long double			wcstold(const wchar_t *, wchar_t **);
extern long long			wcstoll(const wchar_t *, wchar_t **, int);
extern unsigned long		wcstoul(const wchar_t *, wchar_t **, int);
extern unsigned long long	wcstoull(const wchar_t *, wchar_t **, int);
extern wchar_t	*wcswcs(const wchar_t *, const wchar_t *);
extern int		wcswidth(const wchar_t *, size_t);
extern size_t	wcsxfrm(wchar_t *, const wchar_t *, size_t);
extern int		wctob(wint_t);
extern wctype_t	wctype(const char *);
extern int		wcwidth(wchar_t);
extern wchar_t	*wmemchr(const wchar_t *, wchar_t, size_t);
extern int		wmemcmp(const wchar_t *, const wchar_t *, size_t);
extern wchar_t	*wmemcpy(wchar_t *, const wchar_t *, size_t);
extern wchar_t	*wmemmove(wchar_t *, const wchar_t *, size_t);
extern wchar_t	*wmemset(wchar_t *, wchar_t, size_t);
extern int		wprintf(const wchar_t *, ...);
extern int		wscanf(const wchar_t *, ...);

#ifdef __cplusplus
}
#endif

#endif /* _WCHAR_H */