xref: /haiku/headers/posix/wchar.h (revision 4fd62caa9acc437534c41bbb7d3fc9d53e915005)
1 /*
2  * Copyright 2008-2012 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 	void* converter;
31 	char charset[64];
32 	unsigned int count;
33 	char data[1024 + 8];	// 1024 bytes for data, 8 for alignment space
34 } mbstate_t;
35 
36 
37 #define WEOF		((wint_t)(-1))
38 
39 #define WCHAR_MIN	0x00000000UL
40 #define WCHAR_MAX	0x7FFFFFFFUL
41 
42 /*
43  * Haiku is always using UTF32 in wchars, other encodings can be handled
44  * by converting to/from wchar by means of mbrtowc() or wcrtomb().
45  */
46 
47 
48 #ifdef __cplusplus
49 extern "C" {
50 #endif
51 
52 extern wint_t	btowc(int);
53 
54 extern wint_t	fgetwc(FILE *stream);
55 extern wchar_t	*fgetws(wchar_t *dest, int destLength, FILE *stream);
56 extern wint_t	fputwc(wchar_t wc, FILE *stream);
57 extern int		fputws(const wchar_t *wcs, FILE *stream);
58 extern int		fwide(FILE *stream, int mode);
59 extern int		fwprintf(FILE *stream, const wchar_t *format, ...);
60 extern int		fwscanf(FILE *stream, const wchar_t *format, ...);
61 extern wint_t	getwc(FILE *stream);
62 extern wint_t	getwchar(void);
63 
64 extern size_t 	mbrlen(const char *s, size_t n, mbstate_t *mbState);
65 extern size_t 	mbrtowc(wchar_t *dest, const char *src, size_t srcLength,
66 					mbstate_t *mbState);
67 extern int		mbsinit(const mbstate_t *mbState);
68 extern size_t	mbsnrtowcs(wchar_t *dest, const char **src, size_t srcLength,
69 					size_t destLength, mbstate_t *mbState);
70 extern size_t	mbsrtowcs(wchar_t *dest, const char **src, size_t destLength,
71 					mbstate_t *mbState);
72 
73 extern wint_t	putwc(wchar_t wc, FILE *stream);
74 extern wint_t	putwchar(wchar_t wc);
75 
76 extern int		swprintf(wchar_t *dest, size_t destLength,
77 					const wchar_t *format, ...);
78 extern int		swscanf(const wchar_t *wcs, const wchar_t *format, ...);
79 
80 extern wint_t	ungetwc(wint_t wc, FILE *stream);
81 
82 extern int		vfwprintf(FILE *stream, const wchar_t *format, va_list arg);
83 extern int		vfwscanf(FILE *stream, const wchar_t *format, va_list arg);
84 extern int		vswprintf(wchar_t *dest, size_t destLength,
85 					const wchar_t *format, va_list arg);
86 extern int		vswscanf(const wchar_t *wcs, const wchar_t *format,
87 					va_list arg);
88 extern int		vwprintf(const wchar_t *format, va_list arg);
89 extern int		vwscanf(const wchar_t *format, va_list arg);
90 
91 extern wchar_t	*wcpcpy(wchar_t *dest, const wchar_t *src);
92 extern wchar_t	*wcpncpy(wchar_t *dest, const wchar_t *src, size_t srcLength);
93 extern size_t   wcrtomb(char *dest, wchar_t wc, mbstate_t *mbState);
94 extern int		wcscasecmp(const wchar_t *wcs1, const wchar_t *wcs2);
95 extern wchar_t	*wcscat(wchar_t *dest, const wchar_t *src);
96 extern wchar_t	*wcschr(const wchar_t *wcs, wchar_t wc);
97 #ifdef __USE_GNU
98 extern wchar_t	*wcschrnul(const wchar_t *wcs, wchar_t wc);
99 #endif
100 extern int      wcscmp(const wchar_t *wcs1, const wchar_t *wcs2);
101 extern int      wcscoll(const wchar_t *wcs1, const wchar_t *wcs2);
102 extern wchar_t	*wcscpy(wchar_t *dest, const wchar_t *src);
103 extern size_t	wcscspn(const wchar_t *wcs, const wchar_t *reject);
104 extern wchar_t	*wcsdup(const wchar_t *wcs);
105 extern size_t	wcsftime(wchar_t *dest, size_t destLength,
106 					const wchar_t *format, const struct tm *time);
107 extern size_t	wcslcat(wchar_t *dest, const wchar_t *src, size_t maxLength);
108 extern size_t	wcslcpy(wchar_t *dest, const wchar_t *src, size_t maxLength);
109 extern size_t	wcslen(const wchar_t *wcs);
110 extern int		wcsncasecmp(const wchar_t *wcs1, const wchar_t *wcs2,
111 					size_t maxLength);
112 extern wchar_t 	*wcsncat(wchar_t *dest, const wchar_t *src, size_t srcLength);
113 extern int		wcsncmp(const wchar_t *wcs1, const wchar_t *wcs2,
114 					size_t length);
115 extern wchar_t	*wcsncpy(wchar_t *dest, const wchar_t *src, size_t srcLength);
116 extern size_t	wcsnlen(const wchar_t *wcs, size_t maxLength);
117 extern size_t   wcsnrtombs(char *dest, const wchar_t **src, size_t srcLength,
118 					size_t destLength, mbstate_t *mbState);
119 extern wchar_t	*wcspbrk(const wchar_t *wcs, const wchar_t *accept);
120 extern wchar_t	*wcsrchr(const wchar_t *wcs, wchar_t wc);
121 extern size_t   wcsrtombs(char *dest, const wchar_t **src, size_t destLength,
122 					mbstate_t *mbState);
123 extern size_t	wcsspn(const wchar_t *wcs, const wchar_t *accept);
124 extern wchar_t	*wcsstr(const wchar_t *haystack, const wchar_t *needle);
125 extern double	wcstod(const wchar_t *wcs, wchar_t **endPtr);
126 extern float	wcstof(const wchar_t *wcs, wchar_t **endPtr);
127 extern wchar_t	*wcstok(wchar_t *wcs1, const wchar_t *wcs2, wchar_t **ptr);
128 extern long		wcstol(const wchar_t *wcs, wchar_t **endPtr, int base);
129 extern long double	wcstold(const wchar_t *wcs, wchar_t **endPtr);
130 extern long long	wcstoll(const wchar_t *wcs, wchar_t **endPtr, int base);
131 extern unsigned long	wcstoul(const wchar_t *wcs, wchar_t **endPtr,
132 							int base);
133 extern unsigned long long	wcstoull(const wchar_t *wcs, wchar_t **endPtr,
134 								int base);
135 extern wchar_t	*wcswcs(const wchar_t *haystack, const wchar_t *needle);
136 extern int		wcswidth(const wchar_t *wcs, size_t length);
137 extern size_t	wcsxfrm(wchar_t *dest, const wchar_t *src, size_t destLength);
138 extern int		wctob(wint_t wc);
139 extern int		wcwidth(wchar_t wc);
140 extern wchar_t	*wmemchr(const wchar_t *wcs, wchar_t wc, size_t n);
141 extern int		wmemcmp(const wchar_t *wcs1, const wchar_t *wcs2, size_t n);
142 extern wchar_t	*wmemcpy(wchar_t *dest, const wchar_t *src, size_t n);
143 extern wchar_t	*wmemmove(wchar_t *dest, const wchar_t *src, size_t n);
144 #ifdef __USE_GNU
145 extern wchar_t	*wmempcpy(wchar_t *dest, const wchar_t *src, size_t n);
146 #endif
147 extern wchar_t	*wmemset(wchar_t *dest, wchar_t wc, size_t n);
148 
149 extern int		wprintf(const wchar_t *format, ...);
150 extern int		wscanf(const wchar_t *format, ...);
151 
152 #ifdef __cplusplus
153 }
154 #endif
155 
156 #endif /* _WCHAR_H */
157