src/include/fe_utils/mbprint.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * Multibyte character printing support for frontend code
   4  *
   5  *
   6  * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
   7  * Portions Copyright (c) 1994, Regents of the University of California
   8  *
   9  * src/include/fe_utils/mbprint.h
  10  *
  11  *-------------------------------------------------------------------------
  12  */
  13 #ifndef MBPRINT_H
  14 #define MBPRINT_H
  15
  16 struct lineptr
  17 {
  18         unsigned char *ptr;
  19         int                     width;
  20 };
  21
  22 extern unsigned char *mbvalidate(unsigned char *pwcs, int encoding);
  23 extern int      pg_wcswidth(const char *pwcs, size_t len, int encoding);
  24 extern void pg_wcsformat(const unsigned char *pwcs, size_t len, int encoding,
  25                                                  struct lineptr *lines, int count);
  26 extern void pg_wcssize(const unsigned char *pwcs, size_t len, int encoding,
  27                                            int *width, int *height, int *format_size);
  28
  29 #endif                                                  /* MBPRINT_H */