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135 lines
3.7 KiB
C
135 lines
3.7 KiB
C
/* Copyright (C) 2000-2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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/* Create a table from Unicode to CHARSET.
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This is a good test for CHARSET's iconv() module, in particular the
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TO_LOOP BODY macro. */
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <iconv.h>
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#include <errno.h>
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int
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main (int argc, char *argv[])
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{
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const char *charset;
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iconv_t cd;
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int bmp_only;
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int no_tags;
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if (argc != 2)
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{
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fprintf (stderr, "Usage: tst-table-to charset\n");
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return 1;
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}
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charset = argv[1];
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cd = iconv_open (charset, "UTF-8");
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if (cd == (iconv_t)(-1))
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{
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perror ("iconv_open");
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return 1;
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}
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/* When testing UTF-8, stop at 0x10000, otherwise the output
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file gets too big. */
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bmp_only = (strcmp (charset, "UTF-8") == 0);
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/* When testing any encoding other than UTF-8 or GB18030, stop at 0xE0000,
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because the conversion drops Unicode tag characters (range
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U+E0000..U+E007F). */
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no_tags = !(strcmp (charset, "UTF-8") == 0
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|| strcmp (charset, "GB18030") == 0);
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{
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unsigned int i;
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unsigned char buf[10];
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for (i = 0; i < (bmp_only ? 0x10000 : no_tags ? 0xE0000 : 0x110000); i++)
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{
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unsigned char in[6];
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unsigned int incount =
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(i < 0x80 ? (in[0] = i, 1)
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: i < 0x800 ? (in[0] = 0xc0 | (i >> 6),
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in[1] = 0x80 | (i & 0x3f), 2)
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: i < 0x10000 ? (in[0] = 0xe0 | (i >> 12),
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in[1] = 0x80 | ((i >> 6) & 0x3f),
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in[2] = 0x80 | (i & 0x3f), 3)
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: /* i < 0x200000 */ (in[0] = 0xf0 | (i >> 18),
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in[1] = 0x80 | ((i >> 12) & 0x3f),
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in[2] = 0x80 | ((i >> 6) & 0x3f),
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in[3] = 0x80 | (i & 0x3f), 4));
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const char *inbuf = (const char *) in;
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size_t inbytesleft = incount;
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char *outbuf = (char *) buf;
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size_t outbytesleft = sizeof (buf);
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size_t result;
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size_t result2 = 0;
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iconv (cd, NULL, NULL, NULL, NULL);
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result = iconv (cd,
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(char **) &inbuf, &inbytesleft,
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&outbuf, &outbytesleft);
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if (result != (size_t)(-1))
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result2 = iconv (cd, NULL, NULL, &outbuf, &outbytesleft);
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if (result == (size_t)(-1) || result2 == (size_t)(-1))
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{
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if (errno != EILSEQ)
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{
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int saved_errno = errno;
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fprintf (stderr, "0x%02X: iconv error: ", i);
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errno = saved_errno;
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perror ("");
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return 1;
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}
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}
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else if (result == 0) /* ignore conversions with transliteration */
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{
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unsigned int j, jmax;
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if (inbytesleft != 0 || outbytesleft == sizeof (buf))
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{
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fprintf (stderr, "0x%02X: inbytes = %ld, outbytes = %ld\n", i,
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(long) (incount - inbytesleft),
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(long) (sizeof (buf) - outbytesleft));
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return 1;
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}
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jmax = sizeof (buf) - outbytesleft;
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printf ("0x");
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for (j = 0; j < jmax; j++)
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printf ("%02X", buf[j]);
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printf ("\t0x%04X\n", i);
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}
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}
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}
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if (iconv_close (cd) < 0)
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{
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perror ("iconv_close");
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return 1;
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}
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if (ferror (stdin) || fflush (stdout) || ferror (stdout))
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{
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fprintf (stderr, "I/O error\n");
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return 1;
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}
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return 0;
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}
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