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/* Test of uN_strcat() functions.
Copyright (C) 2010-2022 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>, 2010. */
int
main ()
{
/* Test small copying operations. */
{
static const UNIT base[] = { 'C', 'h', 'a', 'n', 'g', 'i', 'n', 'g', 0 };
static const UNIT src[] = { 'c', 'l', 'i', 'm', 'a', 't', 'e', 0 };
size_t m;
size_t n;
for (m = 0; m < SIZEOF (base); m++)
for (n = 1; n <= SIZEOF (src); n++)
{
UNIT dest[1 + (SIZEOF (base) - 1) + SIZEOF (src) + 1] =
{ MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC,
MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC
};
UNIT *result;
size_t i;
for (i = 0; i < m; i++)
dest[1 + i] = base[i];
dest[1 + m] = 0;
result = U_STRCAT (dest + 1, src + SIZEOF (src) - n);
ASSERT (result == dest + 1);
ASSERT (dest[0] == MAGIC);
for (i = 0; i < m; i++)
ASSERT (dest[1 + i] == base[i]);
for (i = 0; i < n; i++)
ASSERT (dest[1 + m + i] == src[SIZEOF (src) - n + i]);
ASSERT (dest[1 + m + n] == MAGIC);
}
}
return 0;
}
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