1 /* 2 Copyright (C) 2005-2012 Rich Felker 3 4 Permission is hereby granted, free of charge, to any person obtaining 5 a copy of this software and associated documentation files (the 6 "Software"), to deal in the Software without restriction, including 7 without limitation the rights to use, copy, modify, merge, publish, 8 distribute, sublicense, and/or sell copies of the Software, and to 9 permit persons to whom the Software is furnished to do so, subject to 10 the following conditions: 11 12 The above copyright notice and this permission notice shall be 13 included in all copies or substantial portions of the Software. 14 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 16 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 17 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 18 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 19 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 20 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 21 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 22 23 Modified in 2013 for the Android Open Source Project. 24 */ 25 #ifndef NDK_ANDROID_SUPPORT_WCHAR_H 26 #define NDK_ANDROID_SUPPORT_WCHAR_H 27 28 // __LP64__ 29 30 /* IMPORTANT NOTE: Unlike other headers in the support library, this 31 * one doesn't try to include the Bionic header through #include_next. 32 * 33 * This is intentional, and comes from the fact that before Gingerbread, 34 * i.e. API level 9, the platform didn't really support wide chars, more 35 * precisely: 36 * - wchar_t is defined as an 8-bit unsigned integer. 37 * - the few wchar-related functions available are just stubs 38 * to their 8-bit counterparts (e.g. wcslen() -> strlen()). 39 * 40 * Starting from API level 9, wchar_t is a 32-bit unsigned integer, 41 * and wchar-related functions implement support for it with several 42 * gotchas: 43 * - no proper Unicode support (e.g. towlower() only works on ASCII 44 * codepoints, ignores all others). 45 * 46 * - no wprintf() and wscanf() functionality. 47 * 48 * - no multi-byte conversion routines. 49 * 50 * By completely overriding the C library functions, the support library 51 * can be used to generate code that will run properly on _any_ version 52 * of Android. 53 * 54 * This implementation supports the following: 55 * 56 * - Unicode code points in wchar_t, and working towlower() / towupper() 57 * using the en_US.UTF-8 case mappings. 58 * 59 * - Multi-byte encoding/decoding to/from UTF-8 (no other multibyte 60 * encoding are supported). 61 * 62 * - wprintf() / wfprintf() support. 63 * 64 * - wscanf() / wfscanf() coming soon :) 65 */ 66 #ifdef __cplusplus 67 extern "C" { 68 #endif 69 70 #if defined(__LP64__) 71 72 # include_next <wchar.h> 73 #include <xlocale.h> // for locale_t 74 75 #else 76 77 #include <stdarg.h> // for va_list 78 #include <stdio.h> // for FILE 79 #include <stddef.h> // for size_t 80 #include <wctype.h> 81 #include <xlocale.h> // for locale_t 82 83 #define __need___wchar_t 84 #include <stddef.h> 85 86 #ifndef WCHAR_MAX 87 #define WCHAR_MAX __WCHAR_MAX__ 88 /* Clang does not define __WCHAR_MIN__ */ 89 #if defined(__WCHAR_UNSIGNED__) 90 #define WCHAR_MIN L'\0' 91 #else 92 #define WCHAR_MIN (-(WCHAR_MAX) - 1) 93 #endif 94 #endif 95 96 #define WEOF ((wint_t)(-1)) 97 98 typedef struct 99 { 100 unsigned __opaque1, __opaque2; 101 } mbstate_t; 102 103 wchar_t *wcscpy (wchar_t *__restrict__, const wchar_t *__restrict__); 104 wchar_t *wcsncpy (wchar_t *__restrict__, const wchar_t *__restrict__, size_t); 105 106 wchar_t *wcscat (wchar_t *__restrict__, const wchar_t *__restrict__); 107 wchar_t *wcsncat (wchar_t *__restrict__, const wchar_t *__restrict__, size_t); 108 109 int wcscmp (const wchar_t *, const wchar_t *); 110 int wcsncmp (const wchar_t *, const wchar_t *, size_t); 111 112 int wcscoll(const wchar_t *, const wchar_t *); 113 size_t wcsxfrm (wchar_t *__restrict__, const wchar_t *__restrict__, size_t n); 114 115 wchar_t *wcschr (const wchar_t *, wchar_t); 116 wchar_t *wcsrchr (const wchar_t *, wchar_t); 117 118 size_t wcscspn (const wchar_t *, const wchar_t *); 119 size_t wcsspn (const wchar_t *, const wchar_t *); 120 wchar_t *wcspbrk (const wchar_t *, const wchar_t *); 121 122 wchar_t *wcstok (wchar_t *__restrict__, const wchar_t *__restrict__, wchar_t **__restrict__); 123 124 size_t wcslen (const wchar_t *); 125 126 wchar_t *wcsstr (const wchar_t *__restrict__, const wchar_t *__restrict__); 127 wchar_t *wcswcs (const wchar_t *, const wchar_t *); 128 129 wchar_t *wmemchr (const wchar_t *, wchar_t, size_t); 130 int wmemcmp (const wchar_t *, const wchar_t *, size_t); 131 wchar_t *wmemcpy (wchar_t *__restrict__, const wchar_t *__restrict__, size_t); 132 wchar_t *wmemmove (wchar_t *, const wchar_t *, size_t); 133 wchar_t *wmemset (wchar_t *, wchar_t, size_t); 134 135 wint_t btowc (int); 136 int wctob (wint_t); 137 138 int mbsinit (const mbstate_t *); 139 size_t mbrtowc (wchar_t *__restrict__, const char *__restrict__, size_t, mbstate_t *__restrict__); 140 size_t wcrtomb (char *__restrict__, wchar_t, mbstate_t *__restrict__); 141 142 size_t mbrlen (const char *__restrict__, size_t, mbstate_t *__restrict__); 143 144 size_t mbsrtowcs (wchar_t *__restrict__, const char **__restrict__, size_t, mbstate_t *__restrict__); 145 size_t wcsrtombs (char *__restrict__, const wchar_t **__restrict__, size_t, mbstate_t *__restrict__); 146 147 float wcstof (const wchar_t *__restrict__, wchar_t **__restrict__); 148 double wcstod (const wchar_t *__restrict__, wchar_t **__restrict__); 149 long double wcstold (const wchar_t *__restrict__, wchar_t **__restrict__); 150 151 long wcstol (const wchar_t *__restrict__, wchar_t **__restrict__, int); 152 unsigned long wcstoul (const wchar_t *__restrict__, wchar_t **__restrict__, int); 153 154 long long wcstoll (const wchar_t *__restrict__, wchar_t **__restrict__, int); 155 unsigned long long wcstoull (const wchar_t *__restrict__, wchar_t **__restrict__, int); 156 intmax_t wcstoimax (const wchar_t * nptr, wchar_t** endptr , int base); 157 uintmax_t wcstoumax (const wchar_t * nptr, wchar_t** endptr , int base); 158 159 160 int fwide (FILE *, int); 161 162 163 int wprintf (const wchar_t *__restrict__, ...); 164 int fwprintf (FILE *__restrict__, const wchar_t *__restrict__, ...); 165 int swprintf (wchar_t *__restrict__, size_t, const wchar_t *__restrict__, ...); 166 167 int vwprintf (const wchar_t *__restrict__, va_list); 168 int vfwprintf (FILE *__restrict__, const wchar_t *__restrict__, va_list); 169 int vswprintf (wchar_t *__restrict__, size_t, const wchar_t *__restrict__, va_list); 170 171 int wscanf (const wchar_t *__restrict__, ...); 172 int fwscanf (FILE *__restrict__, const wchar_t *__restrict__, ...); 173 int swscanf (const wchar_t *__restrict__, const wchar_t *__restrict__, ...); 174 175 int vwscanf (const wchar_t *__restrict__, va_list); 176 int vfwscanf (FILE *__restrict__, const wchar_t *__restrict__, va_list); 177 int vswscanf (const wchar_t *__restrict__, const wchar_t *__restrict__, va_list); 178 179 wint_t fgetwc (FILE *); 180 wint_t getwc (FILE *); 181 wint_t getwchar (void); 182 183 wint_t fputwc (wchar_t, FILE *); 184 wint_t putwc (wchar_t, FILE *); 185 wint_t putwchar (wchar_t); 186 187 wchar_t *fgetws (wchar_t *__restrict__, int, FILE *__restrict__); 188 int fputws (const wchar_t *__restrict__, FILE *__restrict__); 189 190 wint_t ungetwc (wint_t, FILE *); 191 192 struct tm; 193 size_t wcsftime (wchar_t *__restrict__, size_t, const wchar_t *__restrict__, const struct tm *__restrict__); 194 195 FILE *open_wmemstream(wchar_t **, size_t *); 196 size_t mbsnrtowcs(wchar_t *__restrict__, const char **__restrict__, size_t, size_t, mbstate_t *__restrict__); 197 size_t wcsnrtombs(char *__restrict__, const wchar_t **__restrict__, size_t, size_t, mbstate_t *__restrict__); 198 wchar_t *wcsdup(const wchar_t *); 199 size_t wcsnlen (const wchar_t *, size_t); 200 wchar_t *wcpcpy (wchar_t *__restrict__, const wchar_t *__restrict__); 201 wchar_t *wcpncpy (wchar_t *__restrict__, const wchar_t *__restrict__, size_t); 202 int wcscasecmp(const wchar_t *, const wchar_t *); 203 int wcscasecmp_l(const wchar_t *, const wchar_t *, locale_t); 204 int wcsncasecmp(const wchar_t *, const wchar_t *, size_t); 205 int wcsncasecmp_l(const wchar_t *, const wchar_t *, size_t, locale_t); 206 int wcwidth (wchar_t); 207 int wcswidth (const wchar_t *, size_t); 208 int iswalnum(wint_t); 209 int iswalpha(wint_t); 210 int iswblank(wint_t); 211 int iswcntrl(wint_t); 212 int iswdigit(wint_t); 213 int iswgraph(wint_t); 214 int iswlower(wint_t); 215 int iswprint(wint_t); 216 int iswpunct(wint_t); 217 int iswspace(wint_t); 218 int iswupper(wint_t); 219 int iswxdigit(wint_t); 220 int iswctype(wint_t, wctype_t); 221 wint_t towlower(wint_t); 222 wint_t towupper(wint_t); 223 wctype_t wctype(const char *); 224 225 #endif // !__LP64__ 226 227 int wcscoll_l(const wchar_t *, const wchar_t *, locale_t); 228 size_t wcsxfrm_l(wchar_t *__restrict__, const wchar_t *__restrict__, size_t n, locale_t); 229 230 #ifdef __cplusplus 231 } // extern "C" 232 #endif 233 234 #endif // NDK_ANDROID_SUPPORT_WCHAR_H 235
