1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *  * Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 *  * Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in
12 *    the documentation and/or other materials provided with the
13 *    distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28#ifndef _WCHAR_H_
29#define _WCHAR_H_
30
31#include <sys/cdefs.h>
32#include <stdio.h>
33
34#include <stdarg.h>
35#include <stddef.h>
36#include <time.h>
37#include <malloc.h>
38
39/* IMPORTANT: Any code that relies on wide character support is essentially
40 *            non-portable and/or broken. the only reason this header exist
41 *            is because I'm really a nice guy. However, I'm not nice enough
42 *            to provide you with a real implementation. instead wchar_t == char
43 *            and all wc functions are stubs to their "normal" equivalent...
44 */
45
46__BEGIN_DECLS
47
48typedef __WINT_TYPE__           wint_t;
49typedef struct { int  dummy; }  mbstate_t;
50
51typedef enum {
52    WC_TYPE_INVALID = 0,
53    WC_TYPE_ALNUM,
54    WC_TYPE_ALPHA,
55    WC_TYPE_BLANK,
56    WC_TYPE_CNTRL,
57    WC_TYPE_DIGIT,
58    WC_TYPE_GRAPH,
59    WC_TYPE_LOWER,
60    WC_TYPE_PRINT,
61    WC_TYPE_PUNCT,
62    WC_TYPE_SPACE,
63    WC_TYPE_UPPER,
64    WC_TYPE_XDIGIT,
65    WC_TYPE_MAX
66} wctype_t;
67
68#ifndef WCHAR_MAX
69#define  WCHAR_MAX   INT_MAX
70#define  WCHAR_MIN   INT_MIN
71#endif
72
73#define  WEOF        ((wint_t)(-1))
74
75extern wint_t            btowc(int);
76extern int               fwprintf(FILE *, const wchar_t *, ...);
77extern int               fwscanf(FILE *, const wchar_t *, ...);
78extern int               iswalnum(wint_t);
79extern int               iswalpha(wint_t);
80extern int               iswcntrl(wint_t);
81extern int               iswdigit(wint_t);
82extern int               iswgraph(wint_t);
83extern int               iswlower(wint_t);
84extern int               iswprint(wint_t);
85extern int               iswpunct(wint_t);
86extern int               iswspace(wint_t);
87extern int               iswupper(wint_t);
88extern int               iswxdigit(wint_t);
89extern int               iswctype(wint_t, wctype_t);
90extern wint_t            fgetwc(FILE *);
91extern wchar_t          *fgetws(wchar_t *, int, FILE *);
92extern wint_t            fputwc(wchar_t, FILE *);
93extern int               fputws(const wchar_t *, FILE *);
94extern int               fwide(FILE *, int);
95extern wint_t            getwc(FILE *);
96extern wint_t            getwchar(void);
97extern int               mbsinit(const mbstate_t *);
98extern size_t            mbrlen(const char *, size_t, mbstate_t *);
99extern size_t            mbrtowc(wchar_t *, const char *, size_t, mbstate_t *);
100extern size_t            mbsrtowcs(wchar_t *, const char **, size_t, mbstate_t *);
101extern size_t            mbstowcs(wchar_t *, const char *, size_t);
102extern wint_t            putwc(wchar_t, FILE *);
103extern wint_t            putwchar(wchar_t);
104extern int               swprintf(wchar_t *, size_t, const wchar_t *, ...);
105extern int               swscanf(const wchar_t *, const wchar_t *, ...);
106extern wint_t            towlower(wint_t);
107extern wint_t            towupper(wint_t);
108extern wint_t            ungetwc(wint_t, FILE *);
109extern int               vfwprintf(FILE *, const wchar_t *, va_list);
110extern int               vwprintf(const wchar_t *, va_list);
111extern int               vswprintf(wchar_t *, size_t, const wchar_t *, va_list);
112extern size_t            wcrtomb(char *, wchar_t, mbstate_t *);
113extern int               wcscasecmp(const wchar_t *, const wchar_t *);
114extern wchar_t          *wcscat(wchar_t *, const wchar_t *);
115extern wchar_t          *wcschr(const wchar_t *, wchar_t);
116extern int               wcscmp(const wchar_t *, const wchar_t *);
117extern int               wcscoll(const wchar_t *, const wchar_t *);
118extern wchar_t          *wcscpy(wchar_t *, const wchar_t *);
119extern size_t            wcscspn(const wchar_t *, const wchar_t *);
120extern size_t            wcsftime(wchar_t *, size_t, const wchar_t *, const struct tm *);
121extern size_t            wcslen(const wchar_t *);
122extern int               wcsncasecmp(const wchar_t *, const wchar_t *, size_t);
123extern wchar_t          *wcsncat(wchar_t *, const wchar_t *, size_t);
124extern int               wcsncmp(const wchar_t *, const wchar_t *, size_t);
125extern wchar_t          *wcsncpy(wchar_t *, const wchar_t *, size_t);
126extern wchar_t          *wcspbrk(const wchar_t *, const wchar_t *);
127extern wchar_t          *wcsrchr(const wchar_t *, wchar_t);
128extern size_t            wcsrtombs(char *, const wchar_t **, size_t, mbstate_t *);
129extern size_t            wcsspn(const wchar_t *, const wchar_t *);
130extern wchar_t          *wcsstr(const wchar_t *, const wchar_t *);
131extern double            wcstod(const wchar_t *, wchar_t **);
132extern wchar_t          *wcstok(wchar_t *, const wchar_t *, wchar_t **);
133extern long int          wcstol(const wchar_t *, wchar_t **, int);
134extern size_t            wcstombs(char *, const wchar_t *, size_t);
135extern unsigned long int wcstoul(const wchar_t *, wchar_t **, int);
136extern wchar_t          *wcswcs(const wchar_t *, const wchar_t *);
137extern int               wcswidth(const wchar_t *, size_t);
138extern size_t            wcsxfrm(wchar_t *, const wchar_t *, size_t);
139extern int               wctob(wint_t);
140extern wctype_t          wctype(const char *);
141extern int               wcwidth(wchar_t);
142extern wchar_t          *wmemchr(const wchar_t *, wchar_t, size_t);
143extern int               wmemcmp(const wchar_t *, const wchar_t *, size_t);
144extern wchar_t          *wmemcpy(wchar_t *, const wchar_t *, size_t);
145extern wchar_t          *wmemmove(wchar_t *, const wchar_t *, size_t);
146extern wchar_t          *wmemset(wchar_t *, wchar_t, size_t);
147extern int               wprintf(const wchar_t *, ...);
148extern int               wscanf(const wchar_t *, ...);
149
150/* No really supported.  These are just for making libstdc++-v3 happy.  */
151typedef void *wctrans_t;
152extern wint_t		 towctrans(wint_t, wctrans_t);
153extern wctrans_t	 wctrans (const char *);
154
155#if _XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L
156wchar_t* wcsdup(const wchar_t*);
157size_t wcsnlen(const wchar_t*, size_t);
158#endif
159
160__END_DECLS
161
162#endif /* _WCHAR_H_ */
163