56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/* Test of uN_strcat() functions.
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Copyright (C) 2010-2025 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2010. */
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int
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main ()
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{
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/* Test small copying operations. */
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{
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static const UNIT base[] = { 'C', 'h', 'a', 'n', 'g', 'i', 'n', 'g', 0 };
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static const UNIT src[] = { 'c', 'l', 'i', 'm', 'a', 't', 'e', 0 };
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size_t m;
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size_t n;
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for (m = 0; m < SIZEOF (base); m++)
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for (n = 1; n <= SIZEOF (src); n++)
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{
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UNIT dest[1 + (SIZEOF (base) - 1) + SIZEOF (src) + 1] =
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{ MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC,
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MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC, MAGIC
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};
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UNIT *result;
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size_t i;
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for (i = 0; i < m; i++)
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dest[1 + i] = base[i];
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dest[1 + m] = 0;
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result = U_STRCAT (dest + 1, src + SIZEOF (src) - n);
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ASSERT (result == dest + 1);
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ASSERT (dest[0] == MAGIC);
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for (i = 0; i < m; i++)
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ASSERT (dest[1 + i] == base[i]);
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for (i = 0; i < n; i++)
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ASSERT (dest[1 + m + i] == src[SIZEOF (src) - n + i]);
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ASSERT (dest[1 + m + n] == MAGIC);
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}
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}
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return test_exit_status;
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}
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