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 33 extern "C" { 34 #endif 35 36 #if !defined(_SIZE_T) || __cplusplus >= 199711L 37 #define _SIZE_T 38 #if defined(_LP64) || defined(_I32LPx) 39 typedef unsigned long size_t; /* size of something in bytes */ 40 #else 41 typedef unsigned int size_t; /* (historical version) */ 42 #endif 43 #endif /* _SIZE_T */ 44 45 #if !defined(_MBSTATE_T) || __cplusplus >= 199711L 46 #define _MBSTATE_T 47 typedef __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 57 typedef unsigned short char16_t; 58 typedef unsigned int char32_t; 59 #endif 60 61 extern size_t mbrtoc16(char16_t *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, 62 size_t, mbstate_t *_RESTRICT_KYWD); 63 extern size_t mbrtoc32(char32_t *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, 64 size_t, mbstate_t *_RESTRICT_KYWD); 65 extern size_t c16rtomb(char *_RESTRICT_KYWD, char16_t, 66 mbstate_t *_RESTRICT_KYWD); 67 extern 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