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6b4362f2cb
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
(cherry picked from commit 9aaaab7c6e)
40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/* Test and measure mempcpy functions.
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Copyright (C) 1999-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Written by Jakub Jelinek <jakub@redhat.com>, 1999.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#define MEMCPY_RESULT(dst, len) (dst) + (len)
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#define MIN_PAGE_SIZE 131072
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#define TEST_MAIN
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#define TEST_NAME "mempcpy"
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#include "test-string.h"
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char *simple_mempcpy (char *, const char *, size_t);
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IMPL (simple_mempcpy, 0)
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IMPL (mempcpy, 1)
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char *
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simple_mempcpy (char *dst, const char *src, size_t n)
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{
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while (n--)
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*dst++ = *src++;
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return dst;
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}
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#include "test-memcpy.c"
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