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glibc/iconvdata/tst-table-to.c
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/* Copyright (C) 2000-2016 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
Contributed by Bruno Haible <haible@clisp.cons.org>, 2000. | |
The GNU C Library is free software; you can redistribute it and/or | |
modify it under the terms of the GNU Lesser General Public | |
License as published by the Free Software Foundation; either | |
version 2.1 of the License, or (at your option) any later version. | |
The GNU C 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 | |
Lesser General Public License for more details. | |
You should have received a copy of the GNU Lesser General Public | |
License along with the GNU C Library; if not, see | |
<http://www.gnu.org/licenses/>. */ | |
/* Create a table from Unicode to CHARSET. | |
This is a good test for CHARSET's iconv() module, in particular the | |
TO_LOOP BODY macro. */ | |
#include <stddef.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.h> | |
#include <iconv.h> | |
#include <errno.h> | |
int | |
main (int argc, char *argv[]) | |
{ | |
const char *charset; | |
iconv_t cd; | |
int bmp_only; | |
if (argc != 2) | |
{ | |
fprintf (stderr, "Usage: tst-table-to charset\n"); | |
return 1; | |
} | |
charset = argv[1]; | |
cd = iconv_open (charset, "UTF-8"); | |
if (cd == (iconv_t)(-1)) | |
{ | |
perror ("iconv_open"); | |
return 1; | |
} | |
/* When testing UTF-8 or GB18030, stop at 0x10000, otherwise the output | |
file gets too big. */ | |
bmp_only = (strcmp (charset, "UTF-8") == 0 | |
|| strcmp (charset, "GB18030") == 0); | |
{ | |
unsigned int i; | |
unsigned char buf[10]; | |
for (i = 0; i < (bmp_only ? 0x10000 : 0x30000); i++) | |
{ | |
unsigned char in[6]; | |
unsigned int incount = | |
(i < 0x80 ? (in[0] = i, 1) | |
: i < 0x800 ? (in[0] = 0xc0 | (i >> 6), | |
in[1] = 0x80 | (i & 0x3f), 2) | |
: i < 0x10000 ? (in[0] = 0xe0 | (i >> 12), | |
in[1] = 0x80 | ((i >> 6) & 0x3f), | |
in[2] = 0x80 | (i & 0x3f), 3) | |
: /* i < 0x200000 */ (in[0] = 0xf0 | (i >> 18), | |
in[1] = 0x80 | ((i >> 12) & 0x3f), | |
in[2] = 0x80 | ((i >> 6) & 0x3f), | |
in[3] = 0x80 | (i & 0x3f), 4)); | |
const char *inbuf = (const char *) in; | |
size_t inbytesleft = incount; | |
char *outbuf = (char *) buf; | |
size_t outbytesleft = sizeof (buf); | |
size_t result; | |
size_t result2 = 0; | |
iconv (cd, NULL, NULL, NULL, NULL); | |
result = iconv (cd, | |
(char **) &inbuf, &inbytesleft, | |
&outbuf, &outbytesleft); | |
if (result != (size_t)(-1)) | |
result2 = iconv (cd, NULL, NULL, &outbuf, &outbytesleft); | |
if (result == (size_t)(-1) || result2 == (size_t)(-1)) | |
{ | |
if (errno != EILSEQ) | |
{ | |
int saved_errno = errno; | |
fprintf (stderr, "0x%02X: iconv error: ", i); | |
errno = saved_errno; | |
perror (""); | |
return 1; | |
} | |
} | |
else if (result == 0) /* ignore conversions with transliteration */ | |
{ | |
unsigned int j, jmax; | |
if (inbytesleft != 0 || outbytesleft == sizeof (buf)) | |
{ | |
fprintf (stderr, "0x%02X: inbytes = %ld, outbytes = %ld\n", i, | |
(long) (incount - inbytesleft), | |
(long) (sizeof (buf) - outbytesleft)); | |
return 1; | |
} | |
jmax = sizeof (buf) - outbytesleft; | |
printf ("0x"); | |
for (j = 0; j < jmax; j++) | |
printf ("%02X", buf[j]); | |
printf ("\t0x%04X\n", i); | |
} | |
} | |
} | |
if (iconv_close (cd) < 0) | |
{ | |
perror ("iconv_close"); | |
return 1; | |
} | |
if (ferror (stdin) || fflush (stdout) || ferror (stdout)) | |
{ | |
fprintf (stderr, "I/O error\n"); | |
return 1; | |
} | |
return 0; | |
} |