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/* Test of character set conversion.
Copyright (C) 2007-2024 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
#include <config.h>
#if HAVE_ICONV
# include <iconv.h>
# ifndef ICONV_CONST
# define ICONV_CONST /* empty */
# endif
#include "signature.h"
SIGNATURE_CHECK (iconv, size_t, (iconv_t, ICONV_CONST char **, size_t *,
char **, size_t *));
SIGNATURE_CHECK (iconv_close, int, (iconv_t x));
SIGNATURE_CHECK (iconv_open, iconv_t, (char const *, char const *));
#endif
#include <errno.h>
#include <string.h>
#include "macros.h"
int
main ()
{
#if HAVE_ICONV
/* Assume that iconv() supports at least the encodings ASCII, ISO-8859-1,
and UTF-8. */
iconv_t cd_88591_to_utf8 = iconv_open ("UTF-8", "ISO-8859-1");
iconv_t cd_utf8_to_88591 = iconv_open ("ISO-8859-1", "UTF-8");
#if defined __MVS__ && defined __IBMC__
/* String literals below are in ASCII, not EBCDIC. */
# pragma convert("ISO8859-1")
# define CONVERT_ENABLED
#endif
ASSERT (cd_88591_to_utf8 != (iconv_t)(-1));
ASSERT (cd_utf8_to_88591 != (iconv_t)(-1));
/* Test conversion from ISO-8859-1 to UTF-8 with no errors. */
{
static const char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337";
static const char expected[] = "\303\204rger mit b\303\266sen B\303\274bchen ohne Augenma\303\237";
char buf[50];
const char *inptr = input;
size_t inbytesleft = strlen (input);
char *outptr = buf;
size_t outbytesleft = sizeof (buf);
size_t res = iconv (cd_88591_to_utf8,
(ICONV_CONST char **) &inptr, &inbytesleft,
&outptr, &outbytesleft);
ASSERT (res == 0 && inbytesleft == 0);
ASSERT (outptr == buf + strlen (expected));
ASSERT (memcmp (buf, expected, strlen (expected)) == 0);
}
/* Test conversion from ISO-8859-1 to UTF-8 with E2BIG. */
{
static const char input[] = "\304";
static char buf[2] = { (char)0xDE, (char)0xAD };
const char *inptr = input;
size_t inbytesleft = 1;
char *outptr = buf;
size_t outbytesleft = 1;
size_t res = iconv (cd_88591_to_utf8,
(ICONV_CONST char **) &inptr, &inbytesleft,
&outptr, &outbytesleft);
ASSERT (res == (size_t)(-1) && errno == E2BIG);
ASSERT (inbytesleft == 1);
ASSERT (outbytesleft == 1);
ASSERT ((unsigned char) buf[1] == 0xAD);
ASSERT ((unsigned char) buf[0] == 0xDE);
}
/* Test conversion from UTF-8 to ISO-8859-1 with no errors. */
{
static const char input[] = "\303\204rger mit b\303\266sen B\303\274bchen ohne Augenma\303\237";
static const char expected[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337";
char buf[50];
const char *inptr = input;
size_t inbytesleft = strlen (input);
char *outptr = buf;
size_t outbytesleft = sizeof (buf);
size_t res = iconv (cd_utf8_to_88591,
(ICONV_CONST char **) &inptr, &inbytesleft,
&outptr, &outbytesleft);
ASSERT (res == 0 && inbytesleft == 0);
ASSERT (outptr == buf + strlen (expected));
ASSERT (memcmp (buf, expected, strlen (expected)) == 0);
}
/* Test conversion from UTF-8 to ISO-8859-1 with EILSEQ. */
{
static const char input[] = "\342\202\254"; /* EURO SIGN */
char buf[10];
const char *inptr = input;
size_t inbytesleft = strlen (input);
char *outptr = buf;
size_t outbytesleft = sizeof (buf);
size_t res = iconv (cd_utf8_to_88591,
(ICONV_CONST char **) &inptr, &inbytesleft,
&outptr, &outbytesleft);
if (res == (size_t)(-1))
{
ASSERT (errno == EILSEQ);
ASSERT (inbytesleft == strlen (input) && outptr == buf);
}
else
{
ASSERT (res == 1);
ASSERT (inbytesleft == 0);
}
}
/* Test conversion from UTF-8 to ISO-8859-1 with EINVAL. */
{
static const char input[] = "\342";
char buf[10];
const char *inptr = input;
size_t inbytesleft = 1;
char *outptr = buf;
size_t outbytesleft = sizeof (buf);
size_t res = iconv (cd_utf8_to_88591,
(ICONV_CONST char **) &inptr, &inbytesleft,
&outptr, &outbytesleft);
ASSERT (res == (size_t)(-1) && errno == EINVAL);
ASSERT (inbytesleft == 1 && outptr == buf);
}
iconv_close (cd_88591_to_utf8);
iconv_close (cd_utf8_to_88591);
#ifdef CONVERT_ENABLED
# pragma convert(pop)
#endif
#endif /* HAVE_ICONV */
return test_exit_status;
}
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