utf8.h

   1 /* ################################################################### */
   2 /* Copyright 2015, Pierre Gentile (p.gen.progs@gmail.com)              */
   3 /*                                                                     */
   4 /* This Source Code Form is subject to the terms of the Mozilla Public */
   5 /* License, v. 2.0. If a copy of the MPL was not distributed with this */
   6 /* file, You can obtain one at https://mozilla.org/MPL/2.0/.           */
   7 /* ################################################################### */
   8
   9 #ifndef UTF8_H
  10 #define UTF8_H
  11
  12 #include <stdint.h>
  13
  14 typedef struct langinfo_s langinfo_t;
  15
  16 /* Locale information. */
  17 /* """"""""""""""""""" */
  18 struct langinfo_s
  19 {
  20   int utf8; /* charset is UTF-8              */
  21   int bits; /* number of bits in the charset */
  22 };
  23
  24 int
  25 utf8_get_length(unsigned char c);
  26
  27 size_t
  28 utf8_offset(char const *, size_t);
  29
  30 char *
  31 utf8_strprefix(char *d, char const *s, long n, long *pos);
  32
  33 size_t
  34 utf8_strlen(char const *str);
  35
  36 wchar_t *
  37 utf8_strtowcs(char *s);
  38
  39 void
  40 utf8_sanitize(char *s, char sc);
  41
  42 int
  43 cptoutf8(char *utf8_str, uint32_t c);
  44
  45 int
  46 utf8_interpret(char *s, char sc);
  47
  48 char *
  49 utf8_validate(char *str);
  50
  51 char *
  52 utf8_prev(const char *str, const char *p);
  53
  54 char *
  55 utf8_next(char *p);
  56
  57 void
  58 utf8_strtolower(char *dst, char *src);
  59
  60 #endif