src/basic/gunicode.h

   1 /* gunicode.h - Unicode manipulation functions
   2  *
   3  *  Copyright (C) 1999, 2000 Tom Tromey
   4  *  Copyright 2000, 2005 Red Hat, Inc.
   5  */
   6
   7 #pragma once
   8
   9 #include <stdbool.h>
  10 #include <stdint.h>
  11 #include <stdlib.h>
  12
  13 char *utf8_prev_char (const char *p);
  14
  15 extern const char utf8_skip_data[256];
  16
  17 /**
  18  * g_utf8_next_char:
  19  * @p: Pointer to the start of a valid UTF-8 character
  20  *
  21  * Skips to the next character in a UTF-8 string. The string must be
  22  * valid; this macro is as fast as possible, and has no error-checking.
  23  * You would use this macro to iterate over a string character by
  24  * character. The macro returns the start of the next UTF-8 character.
  25  * Before using this macro, use g_utf8_validate() to validate strings
  26  * that may contain invalid UTF-8.
  27  */
  28 #define utf8_next_char(p) (char *)((p) + utf8_skip_data[*(const unsigned char *)(p)])
  29
  30 bool unichar_iswide (uint32_t c);