1/*
2 * This file and its contents are supplied under the terms of the
3 * Common Development and Distribution License ("CDDL"), version 1.0.
4 * You may only use this file in accordance with the terms of version
5 * 1.0 of the CDDL.
6 *
7 * A full copy of the text of the CDDL should have accompanied this
8 * source.  A copy of the CDDL is also available via the Internet at
9 * http://www.illumos.org/license/CDDL.
10 */
11
12/*
13 * Copyright 2020 Robert Mustacchi
14 */
15
16#ifndef _UCHAR_H
17#define	_UCHAR_H
18
19/*
20 * C11 Unicode utilities support.
21 *
22 * Note, we do not define either __STDC_UTF_16__ or __STDC_UTF_32__. While the
23 * functions that are implemented work in that fashion, the ability to represent
24 * any UTF-16 or UTF-32 code point depends on the current locale. Though in
25 * practice they function that way.
26 */
27
28#include <sys/isa_defs.h>
29#include <sys/feature_tests.h>
30#include <wchar_impl.h>
31
32#ifdef __cplusplus
33extern "C" {
34#endif
35
36#if !defined(_SIZE_T) || __cplusplus >= 199711L
37#define	_SIZE_T
38#if defined(_LP64) || defined(_I32LPx)
39typedef	unsigned long size_t;	/* size of something in bytes */
40#else
41typedef	unsigned int size_t;	/* (historical version) */
42#endif
43#endif	/* _SIZE_T */
44
45#if !defined(_MBSTATE_T) || __cplusplus >= 199711L
46#define	_MBSTATE_T
47typedef __mbstate_t	mbstate_t;
48#endif	/* _MBSTATE_T */
49
50/*
51 * These types must match the uint_least16_t and uint_least32_t. They are
52 * defined in terms of the same type so as to minimize the needed includes.
53 * C++11 also defines these types and they are considered built in, so we should
54 * not define them in that context.
55 */
56#if __cplusplus < 2011103L
57typedef unsigned short	char16_t;
58typedef unsigned int	char32_t;
59#endif
60
61extern size_t mbrtoc16(char16_t *_RESTRICT_KYWD, const char *_RESTRICT_KYWD,
62    size_t, mbstate_t *_RESTRICT_KYWD);
63extern size_t mbrtoc32(char32_t *_RESTRICT_KYWD, const char *_RESTRICT_KYWD,
64    size_t, mbstate_t *_RESTRICT_KYWD);
65extern size_t c16rtomb(char *_RESTRICT_KYWD, char16_t,
66    mbstate_t *_RESTRICT_KYWD);
67extern size_t c32rtomb(char *_RESTRICT_KYWD, char32_t,
68    mbstate_t *_RESTRICT_KYWD);
69
70#ifdef __cplusplus
71}
72#endif
73
74#endif /* _UCHAR_H */
75