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/*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
* This 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.
*
* This 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 this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Jeffrey Stedfast <fejj@ximian.com>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <iconv.h>
enum {
ISO_UNSUPPORTED = 0,
/* iso-8859-1 */
ISO_DASH_D_DASH_D_LOWER = (1 << 0),
ISO_DASH_D_DASH_D = (1 << 1),
ISO_D_DASH_D = (1 << 2),
ISO_D_D = (1 << 3),
ISO_UNDER_D_DASH_D = (1 << 4),
NO_ISO_D_DASH_D = (1 << 5),
/* iso-10646-1 */
/*ISO_DASH_D_DASH_D_LOWER = (1 << 0),*/
/*ISO_DASH_D_DASH_D = (1 << 1),*/
/*ISO_D_DASH_D = (1 << 2),*/
ISO_DASH_D_LOWER = (1 << 3),
ISO_DASH_D = (1 << 4),
ISO_D = (1 << 5),
UCS4 = (1 << 6),
/* iso-2022-jp */
ISO_DASH_D_DASH_S_LOWER = (1 << 0),
ISO_DASH_D_DASH_S = (1 << 1),
ISO_D_DASH_S = (1 << 2),
};
typedef struct {
const char *charset;
const char *format;
int id;
} CharInfo;
static CharInfo iso8859_tests[] = {
{ "iso-8859-1", "iso-%d-%d", ISO_DASH_D_DASH_D_LOWER },
{ "ISO-8859-1", "ISO-%d-%d", ISO_DASH_D_DASH_D },
{ "ISO8859-1", "ISO%d-%d", ISO_D_DASH_D },
{ "ISO88591", "ISO%d%d", ISO_D_D },
{ "ISO_8859-1", "ISO_%d-%d", ISO_UNDER_D_DASH_D },
{ "8859-1", "%d-%d", NO_ISO_D_DASH_D },
};
static int num_iso8859_tests = sizeof (iso8859_tests) / sizeof (CharInfo);
static CharInfo iso2022_tests[] = {
{ "iso-2022-jp", "iso-%d-%s", ISO_DASH_D_DASH_S_LOWER },
{ "ISO-2022-JP", "ISO-%d-%s", ISO_DASH_D_DASH_S },
{ "ISO2022-JP", "ISO%d-%s", ISO_D_DASH_S },
};
static int num_iso2022_tests = sizeof (iso2022_tests) / sizeof (CharInfo);
static CharInfo iso10646_tests[] = {
{ "iso-10646-1", "iso-%d-%d", ISO_DASH_D_DASH_D_LOWER },
{ "ISO-10646-1", "ISO-%d-%d", ISO_DASH_D_DASH_D },
{ "ISO10646-1", "ISO%d-%d", ISO_D_DASH_D },
{ "iso-10646", "iso-%d", ISO_DASH_D_LOWER },
{ "ISO-10646", "ISO-%d", ISO_DASH_D },
{ "ISO10646", "ISO%d", ISO_D },
{ "UCS-4BE", "UCS-4BE", UCS4 },
};
static int num_iso10646_tests = sizeof (iso10646_tests) / sizeof (CharInfo);
static int
test_iconv (void)
{
char *jp = (char *) "\x1B\x24\x42\x46\x7C\x4B\x5C\x38\x6C";
const char *utf8 = "\xE6\x97\xA5\xE6\x9C\xAC\xE8\xAA\x9E";
char transbuf[32], *trans = transbuf;
iconv_t cd;
size_t jp_len = strlen (jp), utf8_len = 10;
size_t utf8_real_len = strlen (utf8);
cd = iconv_open ("UTF-8", "ISO-2022-JP");
if (cd == (iconv_t) -1)
return 0;
if (iconv (cd, &jp, &jp_len, &trans, &utf8_len) == -1 || jp_len != 0) {
iconv_close (cd);
return 0;
}
if (memcmp (utf8, transbuf, utf8_real_len) != 0) {
iconv_close (cd);
return 0;
}
iconv_close (cd);
return 1;
}
int
main (int argc,
char **argv)
{
unsigned int iso8859, iso2022, iso10646;
CharInfo *info;
iconv_t cd;
FILE *fp;
int i;
if (!test_iconv ())
return 1;
fp = fopen (ICONV_DETECT_BUILD_DIR "iconv-detect.h", "w");
if (fp == NULL)
return 255;
fprintf (fp, "/* This is an auto-generated header, DO NOT EDIT! */\n\n");
iso8859 = ISO_UNSUPPORTED;
info = iso8859_tests;
/*printf ("#define DEFAULT_ISO_FORMAT(iso,codepage)\t");*/
for (i = 0; i < num_iso8859_tests; i++) {
cd = iconv_open (info[i].charset, "UTF-8");
if (cd != (iconv_t) -1) {
iconv_close (cd);
/*printf ("(\"%s\", (iso), (codepage))\n", info[i].format);*/
fprintf (stderr, "System prefers %s\n", info[i].charset);
iso8859 = info[i].id;
break;
}
}
if (iso8859 == ISO_UNSUPPORTED) {
fprintf (stderr, "System doesn't support any ISO-8859-1 formats\n");
fprintf (fp, "#define ICONV_ISO_D_FORMAT \"%s\"\n", info[0].format);
} else {
fprintf (fp, "#define ICONV_ISO_D_FORMAT \"%s\"\n", info[i].format);
}
iso2022 = ISO_UNSUPPORTED;
info = iso2022_tests;
/*printf ("#define ISO_2022_FORMAT(iso,codepage)\t");*/
for (i = 0; i < num_iso2022_tests; i++) {
cd = iconv_open (info[i].charset, "UTF-8");
if (cd != (iconv_t) -1) {
iconv_close (cd);
/*printf ("(\"%s\", (iso), (codepage))\n", info[i].format);*/
fprintf (stderr, "System prefers %s\n", info[i].charset);
iso2022 = info[i].id;
break;
}
}
if (iso2022 == ISO_UNSUPPORTED) {
fprintf (stderr, "System doesn't support any ISO-2022 formats\n");
fprintf (fp, "#define ICONV_ISO_S_FORMAT \"%s\"\n", info[0].format);
} else {
fprintf (fp, "#define ICONV_ISO_S_FORMAT \"%s\"\n", info[i].format);
}
iso10646 = ISO_UNSUPPORTED;
info = iso10646_tests;
/*printf ("#define ISO_10646_FORMAT(iso,codepage)\t");*/
for (i = 0; i < num_iso10646_tests; i++) {
cd = iconv_open (info[i].charset, "UTF-8");
if (cd != (iconv_t) -1) {
iconv_close (cd);
/*if (info[i].id < ISO_DASH_D_LOWER)
printf ("(\"%s\", (iso), (codepage))\n", info[i].format);
else
printf ("(\"%s\", (iso))\n", info[i].format);*/
fprintf (stderr, "System prefers %s\n", info[i].charset);
iso10646 = info[i].id;
break;
}
}
/* we don't need a printf format for iso-10646 because there is only 1 */
if (iso10646 == ISO_UNSUPPORTED) {
fprintf (stderr, "System doesn't support any ISO-10646-1 formats\n");
fprintf (fp, "#define ICONV_10646 \"%s\"\n", info[0].charset);
} else {
fprintf (fp, "#define ICONV_10646 \"%s\"\n", info[i].charset);
}
fclose (fp);
return 0;
}
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