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/* Testing ucs4le_internal_loop() in gconv_simple.c.
Copyright (C) 2016-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <inttypes.h>
#include <iconv.h>
#include <byteswap.h>
#include <endian.h>
static int
do_test (void)
{
iconv_t cd;
char *inptr;
size_t inlen;
char *outptr;
size_t outlen;
size_t n;
int e;
int result = 0;
#if __BYTE_ORDER == __BIG_ENDIAN
/* On big-endian machines, ucs4le_internal_loop() swaps the bytes before
error checking. Thus the input values has to be swapped. */
# define VALUE(val) bswap_32 (val)
#else
# define VALUE(val) val
#endif
uint32_t inbuf[3] = { VALUE (0x41), VALUE (0x80000000), VALUE (0x42) };
uint32_t outbuf[3] = { 0, 0, 0 };
cd = iconv_open ("WCHAR_T", "UCS-4LE");
if (cd == (iconv_t) -1)
{
printf ("cannot convert from UCS4LE to wchar_t: %m\n");
return 1;
}
inptr = (char *) inbuf;
inlen = sizeof (inbuf);
outptr = (char *) outbuf;
outlen = sizeof (outbuf);
n = iconv (cd, &inptr, &inlen, &outptr, &outlen);
e = errno;
if (n != (size_t) -1)
{
printf ("incorrect iconv() return value: %zd, expected -1\n", n);
result = 1;
}
if (e != EILSEQ)
{
printf ("incorrect error value: %s, expected %s\n",
strerror (e), strerror (EILSEQ));
result = 1;
}
if (inptr != (char *) &inbuf[1])
{
printf ("inptr=0x%p does not point to invalid character! Expected=0x%p\n"
, inptr, &inbuf[1]);
result = 1;
}
if (inlen != sizeof (inbuf) - sizeof (uint32_t))
{
printf ("inlen=%zd != %zd\n"
, inlen, sizeof (inbuf) - sizeof (uint32_t));
result = 1;
}
if (outptr != (char *) &outbuf[1])
{
printf ("outptr=0x%p does not point to invalid character in inbuf! "
"Expected=0x%p\n"
, outptr, &outbuf[1]);
result = 1;
}
if (outlen != sizeof (inbuf) - sizeof (uint32_t))
{
printf ("outlen=%zd != %zd\n"
, outlen, sizeof (outbuf) - sizeof (uint32_t));
result = 1;
}
if (outbuf[0] != 0x41 || outbuf[1] != 0 || outbuf[2] != 0)
{
puts ("Characters conversion is incorrect!");
result = 1;
}
iconv_close (cd);
return result;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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