genutf8.c

libiconv是一个很不错的字符集转换库。程序接口也很简单

/* Copyright (C) 2000, 2004 Free Software Foundation, Inc.
   This file is part of the GNU LIBICONV Library.

   The GNU LIBICONV Library is free software; you can redistribute it
   and/or modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either version 2
   of the License, or (at your option) any later version.

   The GNU LIBICONV Library is distributed in the hope that it will be
   useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU LIBICONV Library; see the file COPYING.LIB.
   If not, write to the Free Software Foundation, Inc., 59 Temple Place -
   Suite 330, Boston, MA 02111-1307, USA.  */

/* Creates the UTF-8.TXT reference table. */

#include <stdio.h>
#include <stdlib.h>

#include "binary-io.h"

int main ()
{
  int i1, i2, i3;

#if O_BINARY
  SET_BINARY(fileno(stdout));
#endif

  /* Range 0x0000..0x007f */
  for (i1 = 0; i1 < 0x80; i1++)
    printf("0x%02X\t0x%04X\n", i1, i1);
  /* Range 0x0080..0x07ff */
  for (i1 = 2; i1 < 32; i1++)
    for (i2 = 0; i2 < 64; i2++)
      printf("0x%02X%02X\t0x%04X\n", 0xc0+i1,0x80+i2, (i1<<6)+i2);
  /* Range 0x0800..0xffff */
  for (i1 = 0; i1 < 16; i1++)
    for (i2 = (i1==0 ? 32 : 0); i2 < 64; i2++)
      for (i3 = 0; i3 < 64; i3++)
        printf("0x%02X%02X%02X\t0x%04X\n", 0xe0+i1,0x80+i2,0x80+i3, (i1<<12)+(i2<<6)+i3);

  fflush(stdout);
  if (ferror(stdout))
    exit(1);
  exit(0);
}