xref: /haiku/headers/posix/wchar.h (revision c4b463c5cd2ae950989531a3caf7c1fa7c378573)
1 /*
2  * Copyright 2008-2011 Haiku Inc. All Rights Reserved.
3  * Distributed under the terms of the MIT License.
4  */
5 #ifndef _WCHAR_H
6 #define _WCHAR_H
7 
8 
9 #include <limits.h>
10 #include <stddef.h>
11 #include <stdio.h>
12 
13 
14 /* stddef.h is not supposed to define wint_t, but gcc 2.95.3's one does.
15  * In all other cases we will do that. */
16 #ifndef _WINT_T
17 #define _WINT_T
18 
19 #ifndef __WINT_TYPE__
20 #define __WINT_TYPE__ unsigned int
21 #endif
22 
23 typedef __WINT_TYPE__ wint_t;
24 
25 #endif	/* _WINT_T */
26 
27 typedef int wctype_t;
28 
29 typedef struct {
30 	unsigned int count;
31 	unsigned int converterID;
32 } mbstate_t;
33 
34 
35 #define WEOF		((wint_t)(-1))
36 
37 #define WCHAR_MIN	0x00000000UL
38 #define WCHAR_MAX	0x7FFFFFFFUL
39 
40 /*
41  * Haiku is always using UTF32 in wchars, other encodings can be handled
42  * by converting to/from wchar by means of mbsrtowcs() or wcsrtombs().
43  * TODO: define __STDC_ISO_10646__ accordingly in our compilers.
44  */
45 
46 
47 #ifdef __cplusplus
48 extern "C" {
49 #endif
50 
51 extern wint_t	btowc(int);
52 
53 extern wint_t	fgetwc(FILE *);
54 extern wchar_t	*fgetws(wchar_t *, int, FILE *);
55 extern wint_t	fputwc(wchar_t, FILE *);
56 extern int		fputws(const wchar_t *, FILE *);
57 extern int		fwide(FILE *, int);
58 extern int		fwprintf(FILE *, const wchar_t *, ...);
59 extern int		fwscanf(FILE *, const wchar_t *, ...);
60 extern wint_t	getwc(FILE *);
61 extern wint_t	getwchar(void);
62 
63 extern size_t 	mbrlen(const char *s, size_t n, mbstate_t *ps);
64 extern size_t 	mbrtowc(wchar_t *pwc, const char *s, size_t n, mbstate_t *ps);
65 extern int		mbsinit(const mbstate_t *);
66 extern size_t	mbsrtowcs(wchar_t *dst, const char **src, size_t len,
67 					mbstate_t *ps);
68 
69 extern wint_t	putwc(wchar_t, FILE *);
70 extern wint_t	putwchar(wchar_t);
71 
72 extern int		swprintf(wchar_t *, size_t, const wchar_t *, ...);
73 extern int		swscanf(const wchar_t *, const wchar_t *, ...);
74 
75 extern wint_t	ungetwc(wint_t, FILE *);
76 
77 extern int		vfwprintf(FILE *, const wchar_t *, va_list);
78 extern int		vfwscanf(FILE *, const wchar_t *, va_list);
79 extern int		vswprintf(wchar_t *, size_t, const wchar_t *, va_list);
80 extern int		vswscanf(const wchar_t *, const wchar_t *, va_list);
81 extern int		vwprintf(const wchar_t *, va_list);
82 extern int		vwscanf(const wchar_t *, va_list);
83 
84 extern size_t   wcrtomb(char *, wchar_t, mbstate_t *);
85 extern wchar_t	*wcscat(wchar_t *, const wchar_t *);
86 extern wchar_t	*wcschr(const wchar_t *, wchar_t);
87 extern int      wcscmp(const wchar_t *ws1, const wchar_t *ws2);
88 extern int      wcscoll(const wchar_t *ws1, const wchar_t *ws2);
89 extern wchar_t	*wcscpy(wchar_t *, const wchar_t *);
90 extern size_t	wcscspn(const wchar_t *, const wchar_t *);
91 extern wchar_t	*wcsdup(const wchar_t *);
92 extern size_t	wcsftime(wchar_t *, size_t, const wchar_t *, const struct tm *);
93 extern size_t	wcslen(const wchar_t *);
94 extern wchar_t 	*wcsncat(wchar_t *, const wchar_t *, size_t);
95 extern int		wcsncmp(const wchar_t *, const wchar_t *, size_t);
96 extern wchar_t	*wcsncpy(wchar_t *, const wchar_t *, size_t);
97 extern wchar_t	*wcspbrk(const wchar_t *, const wchar_t *);
98 extern wchar_t	*wcsrchr(const wchar_t *, wchar_t);
99 extern size_t   wcsrtombs(char *dst, const wchar_t **src, size_t len,
100 					mbstate_t *ps);
101 extern size_t	wcsspn(const wchar_t *, const wchar_t *);
102 extern wchar_t	*wcsstr(const wchar_t *, const wchar_t *);
103 extern double	wcstod(const wchar_t *, wchar_t **);
104 extern float	wcstof(const wchar_t *, wchar_t **);
105 extern wchar_t	*wcstok(wchar_t *, const wchar_t *, wchar_t **);
106 extern long		wcstol(const wchar_t *, wchar_t **, int);
107 extern long double			wcstold(const wchar_t *, wchar_t **);
108 extern long long			wcstoll(const wchar_t *, wchar_t **, int);
109 extern unsigned long		wcstoul(const wchar_t *, wchar_t **, int);
110 extern unsigned long long	wcstoull(const wchar_t *, wchar_t **, int);
111 extern wchar_t	*wcswcs(const wchar_t *, const wchar_t *);
112 extern int		wcswidth(const wchar_t *, size_t);
113 extern size_t	wcsxfrm(wchar_t *, const wchar_t *, size_t);
114 extern int		wctob(wint_t);
115 extern int		wcwidth(wchar_t);
116 extern wchar_t	*wmemchr(const wchar_t *, wchar_t, size_t);
117 extern int		wmemcmp(const wchar_t *, const wchar_t *, size_t);
118 extern wchar_t	*wmemcpy(wchar_t *, const wchar_t *, size_t);
119 extern wchar_t	*wmemmove(wchar_t *, const wchar_t *, size_t);
120 extern wchar_t	*wmemset(wchar_t *, wchar_t, size_t);
121 extern int		wprintf(const wchar_t *, ...);
122 extern int		wscanf(const wchar_t *, ...);
123 
124 #ifdef __cplusplus
125 }
126 #endif
127 
128 #endif /* _WCHAR_H */
129