headers/posix/wchar.h

   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 #include <time.h>
  13
  14
  15 /* stddef.h is not supposed to define wint_t, but gcc 2.95.3's one does.
  16  * In all other cases we will do that. */
  17 #ifndef _WINT_T
  18 #define _WINT_T
  19
  20 #ifndef __WINT_TYPE__
  21 #define __WINT_TYPE__ unsigned int
  22 #endif
  23
  24 typedef __WINT_TYPE__ wint_t;
  25
  26 #endif  /* _WINT_T */
  27
  28 typedef int wctype_t;
  29
  30 typedef struct {
  31         void* converter;
  32         char charset[64];
  33         unsigned int count;
  34         char data[1024 + 8];    /* 1024 bytes for data, 8 for alignment space */
  35 } mbstate_t;
  36
  37
  38 #define WEOF            ((wint_t)(-1))
  39
  40 #define WCHAR_MIN       0x00000000UL
  41 #define WCHAR_MAX       0x7FFFFFFFUL
  42
  43 /*
  44  * Haiku is always using UTF32 in wchars, other encodings can be handled
  45  * by converting to/from wchar by means of mbrtowc() or wcrtomb().
  46  */
  47
  48
  49 #ifdef __cplusplus
  50 extern "C" {
  51 #endif
  52
  53 extern wint_t   btowc(int);
  54
  55 extern wint_t   fgetwc(FILE *stream);
  56 extern wchar_t  *fgetws(wchar_t *dest, int destLength, FILE *stream);
  57 extern wint_t   fputwc(wchar_t wc, FILE *stream);
  58 extern int              fputws(const wchar_t *wcs, FILE *stream);
  59 extern int              fwide(FILE *stream, int mode);
  60 extern int              fwprintf(FILE *stream, const wchar_t *format, ...);
  61 extern int              fwscanf(FILE *stream, const wchar_t *format, ...);
  62 extern wint_t   getwc(FILE *stream);
  63 extern wint_t   getwchar(void);
  64
  65 extern size_t   mbrlen(const char *s, size_t n, mbstate_t *mbState);
  66 extern size_t   mbrtowc(wchar_t *dest, const char *src, size_t srcLength,
  67                                         mbstate_t *mbState);
  68 extern int              mbsinit(const mbstate_t *mbState);
  69 extern size_t   mbsnrtowcs(wchar_t *dest, const char **src, size_t srcLength,
  70                                         size_t destLength, mbstate_t *mbState);
  71 extern size_t   mbsrtowcs(wchar_t *dest, const char **src, size_t destLength,
  72                                         mbstate_t *mbState);
  73
  74 extern wint_t   putwc(wchar_t wc, FILE *stream);
  75 extern wint_t   putwchar(wchar_t wc);
  76
  77 extern int              swprintf(wchar_t *dest, size_t destLength,
  78                                         const wchar_t *format, ...);
  79 extern int              swscanf(const wchar_t *wcs, const wchar_t *format, ...);
  80
  81 extern wint_t   ungetwc(wint_t wc, FILE *stream);
  82
  83 extern int              vfwprintf(FILE *stream, const wchar_t *format, va_list arg);
  84 extern int              vfwscanf(FILE *stream, const wchar_t *format, va_list arg);
  85 extern int              vswprintf(wchar_t *dest, size_t destLength,
  86                                         const wchar_t *format, va_list arg);
  87 extern int              vswscanf(const wchar_t *wcs, const wchar_t *format,
  88                                         va_list arg);
  89 extern int              vwprintf(const wchar_t *format, va_list arg);
  90 extern int              vwscanf(const wchar_t *format, va_list arg);
  91
  92 extern wchar_t  *wcpcpy(wchar_t *dest, const wchar_t *src);
  93 extern wchar_t  *wcpncpy(wchar_t *dest, const wchar_t *src, size_t srcLength);
  94 extern size_t   wcrtomb(char *dest, wchar_t wc, mbstate_t *mbState);
  95 extern int              wcscasecmp(const wchar_t *wcs1, const wchar_t *wcs2);
  96 extern wchar_t  *wcscat(wchar_t *dest, const wchar_t *src);
  97 extern wchar_t  *wcschr(const wchar_t *wcs, wchar_t wc);
  98 #ifdef _GNU_SOURCE
  99 extern wchar_t  *wcschrnul(const wchar_t *wcs, wchar_t wc);
 100 #endif
 101 extern int      wcscmp(const wchar_t *wcs1, const wchar_t *wcs2);
 102 extern int      wcscoll(const wchar_t *wcs1, const wchar_t *wcs2);
 103 extern wchar_t  *wcscpy(wchar_t *dest, const wchar_t *src);
 104 extern size_t   wcscspn(const wchar_t *wcs, const wchar_t *reject);
 105 extern wchar_t  *wcsdup(const wchar_t *wcs);
 106 extern size_t   wcsftime(wchar_t *dest, size_t destLength,
 107                                         const wchar_t *format, const struct tm *timeptr);
 108 extern size_t   wcslcat(wchar_t *dest, const wchar_t *src, size_t maxLength);
 109 extern size_t   wcslcpy(wchar_t *dest, const wchar_t *src, size_t maxLength);
 110 extern size_t   wcslen(const wchar_t *wcs);
 111 extern int              wcsncasecmp(const wchar_t *wcs1, const wchar_t *wcs2,
 112                                         size_t maxLength);
 113 extern wchar_t  *wcsncat(wchar_t *dest, const wchar_t *src, size_t srcLength);
 114 extern int              wcsncmp(const wchar_t *wcs1, const wchar_t *wcs2,
 115                                         size_t length);
 116 extern wchar_t  *wcsncpy(wchar_t *dest, const wchar_t *src, size_t srcLength);
 117 extern size_t   wcsnlen(const wchar_t *wcs, size_t maxLength);
 118 extern size_t   wcsnrtombs(char *dest, const wchar_t **src, size_t srcLength,
 119                                         size_t destLength, mbstate_t *mbState);
 120 extern wchar_t  *wcspbrk(const wchar_t *wcs, const wchar_t *accept);
 121 extern wchar_t  *wcsrchr(const wchar_t *wcs, wchar_t wc);
 122 extern size_t   wcsrtombs(char *dest, const wchar_t **src, size_t destLength,
 123                                         mbstate_t *mbState);
 124 extern size_t   wcsspn(const wchar_t *wcs, const wchar_t *accept);
 125 extern wchar_t  *wcsstr(const wchar_t *haystack, const wchar_t *needle);
 126 extern double   wcstod(const wchar_t *wcs, wchar_t **endPtr);
 127 extern float    wcstof(const wchar_t *wcs, wchar_t **endPtr);
 128 extern wchar_t  *wcstok(wchar_t *wcs1, const wchar_t *wcs2, wchar_t **ptr);
 129 extern long             wcstol(const wchar_t *wcs, wchar_t **endPtr, int base);
 130 extern long double      wcstold(const wchar_t *wcs, wchar_t **endPtr);
 131 extern long long        wcstoll(const wchar_t *wcs, wchar_t **endPtr, int base);
 132 extern unsigned long    wcstoul(const wchar_t *wcs, wchar_t **endPtr,
 133                                                         int base);
 134 extern unsigned long long       wcstoull(const wchar_t *wcs, wchar_t **endPtr,
 135                                                                 int base);
 136 extern wchar_t  *wcswcs(const wchar_t *haystack, const wchar_t *needle);
 137 extern int              wcswidth(const wchar_t *wcs, size_t length);
 138 extern size_t   wcsxfrm(wchar_t *dest, const wchar_t *src, size_t destLength);
 139 extern int              wctob(wint_t wc);
 140 extern int              wcwidth(wchar_t wc);
 141 extern wchar_t  *wmemchr(const wchar_t *wcs, wchar_t wc, size_t n);
 142 extern int              wmemcmp(const wchar_t *wcs1, const wchar_t *wcs2, size_t n);
 143 extern wchar_t  *wmemcpy(wchar_t *dest, const wchar_t *src, size_t n);
 144 extern wchar_t  *wmemmove(wchar_t *dest, const wchar_t *src, size_t n);
 145 #ifdef _GNU_SOURCE
 146 extern wchar_t  *wmempcpy(wchar_t *dest, const wchar_t *src, size_t n);
 147 #endif
 148 extern wchar_t  *wmemset(wchar_t *dest, wchar_t wc, size_t n);
 149
 150 extern int              wprintf(const wchar_t *format, ...);
 151 extern int              wscanf(const wchar_t *format, ...);
 152
 153 #ifdef __cplusplus
 154 }
 155 #endif
 156
 157 #endif /* _WCHAR_H */