iconvdata/tst-table-to.c

   1 /* Copyright (C) 2000-2002 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Bruno Haible <haible@clisp.cons.org>, 2000.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 /* Create a table from Unicode to CHARSET.
  21    This is a good test for CHARSET's iconv() module, in particular the
  22    TO_LOOP BODY macro.  */
  23
  24 #include <stddef.h>
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <iconv.h>
  29 #include <errno.h>
  30
  31 int
  32 main (int argc, char *argv[])
  33 {
  34   const char *charset;
  35   iconv_t cd;
  36   int bmp_only;
  37
  38   if (argc != 2)
  39     {
  40       fprintf (stderr, "Usage: tst-table-to charset\n");
  41       return 1;
  42     }
  43   charset = argv[1];
  44
  45   cd = iconv_open (charset, "UTF-8");
  46   if (cd == (iconv_t)(-1))
  47     {
  48       perror ("iconv_open");
  49       return 1;
  50     }
  51
  52   /* When testing UTF-8 or GB18030, stop at 0x10000, otherwise the output
  53      file gets too big.  */
  54   bmp_only = (strcmp (charset, "UTF-8") == 0
  55               || strcmp (charset, "GB18030") == 0);
  56
  57   {
  58     unsigned int i;
  59     unsigned char buf[10];
  60
  61     for (i = 0; i < (bmp_only ? 0x10000 : 0x30000); i++)
  62       {
  63         unsigned char in[6];
  64         unsigned int incount =
  65           (i < 0x80 ? (in[0] = i, 1)
  66            : i < 0x800 ? (in[0] = 0xc0 | (i >> 6),
  67                           in[1] = 0x80 | (i & 0x3f), 2)
  68            : i < 0x10000 ? (in[0] = 0xe0 | (i >> 12),
  69                             in[1] = 0x80 | ((i >> 6) & 0x3f),
  70                             in[2] = 0x80 | (i & 0x3f), 3)
  71            : /* i < 0x200000 */ (in[0] = 0xf0 | (i >> 18),
  72                                  in[1] = 0x80 | ((i >> 12) & 0x3f),
  73                                  in[2] = 0x80 | ((i >> 6) & 0x3f),
  74                                  in[3] = 0x80 | (i & 0x3f), 4));
  75         const char *inbuf = (const char *) in;
  76         size_t inbytesleft = incount;
  77         char *outbuf = (char *) buf;
  78         size_t outbytesleft = sizeof (buf);
  79         size_t result;
  80         size_t result2 = 0;
  81
  82         iconv (cd, NULL, NULL, NULL, NULL);
  83         result = iconv (cd,
  84                         (char **) &inbuf, &inbytesleft,
  85                         &outbuf, &outbytesleft);
  86         if (result != (size_t)(-1))
  87           result2 = iconv (cd, NULL, NULL, &outbuf, &outbytesleft);
  88
  89         if (result == (size_t)(-1) || result2 == (size_t)(-1))
  90           {
  91             if (errno != EILSEQ)
  92               {
  93                 int saved_errno = errno;
  94                 fprintf (stderr, "0x%02X: iconv error: ", i);
  95                 errno = saved_errno;
  96                 perror ("");
  97                 return 1;
  98               }
  99           }
 100         else if (result == 0) /* ignore conversions with transliteration */
 101           {
 102             unsigned int j, jmax;
 103             if (inbytesleft != 0 || outbytesleft == sizeof (buf))
 104               {
 105                 fprintf (stderr, "0x%02X: inbytes = %ld, outbytes = %ld\n", i,
 106                          (long) (incount - inbytesleft),
 107                          (long) (sizeof (buf) - outbytesleft));
 108                 return 1;
 109               }
 110             jmax = sizeof (buf) - outbytesleft;
 111             printf ("0x");
 112             for (j = 0; j < jmax; j++)
 113               printf ("%02X", buf[j]);
 114             printf ("\t0x%04X\n", i);
 115           }
 116       }
 117   }
 118
 119   if (iconv_close (cd) < 0)
 120     {
 121       perror ("iconv_close");
 122       return 1;
 123     }
 124
 125   if (ferror (stdin) || fflush (stdout) || ferror (stdout))
 126     {
 127       fprintf (stderr, "I/O error\n");
 128       return 1;
 129     }
 130
 131   return 0;
 132 }