src/shared/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 #include <stdint.h>
   8 #include <stdbool.h>
   9 #include <stdlib.h>
  10
  11 char *utf8_prev_char (const char *p);
  12
  13 extern const char utf8_skip_data[256];
  14
  15 /**
  16  * g_utf8_next_char:
  17  * @p: Pointer to the start of a valid UTF-8 character
  18  *
  19  * Skips to the next character in a UTF-8 string. The string must be
  20  * valid; this macro is as fast as possible, and has no error-checking.
  21  * You would use this macro to iterate over a string character by
  22  * character. The macro returns the start of the next UTF-8 character.
  23  * Before using this macro, use g_utf8_validate() to validate strings
  24  * that may contain invalid UTF-8.
  25  */
  26 #define utf8_next_char(p) (char *)((p) + utf8_skip_data[*(const unsigned char *)(p)])
  27
  28 bool unichar_iswide (uint32_t c);