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73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
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/* Test memchr with size_t in the lower 32 bits of 64-bit register.
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Copyright (C) 2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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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#ifndef WIDE
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# define TEST_NAME "memchr"
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#else
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# define TEST_NAME "wmemchr"
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#endif /* WIDE */
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#include "test-size_t.h"
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#ifndef WIDE
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# define MEMCHR memchr
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# define CHAR char
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# define UCHAR unsigned char
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#else
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# include <wchar.h>
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# define MEMCHR wmemchr
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# define CHAR wchar_t
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# define UCHAR wchar_t
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#endif /* WIDE */
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IMPL (MEMCHR, 1)
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typedef CHAR * (*proto_t) (const CHAR*, int, size_t);
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static CHAR *
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__attribute__ ((noinline, noclone))
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do_memchr (parameter_t a, parameter_t b)
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{
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return CALL (&b, a.p, (uintptr_t) b.p, a.len);
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}
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static int
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test_main (void)
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{
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test_init ();
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parameter_t src = { { page_size / sizeof (CHAR) }, buf2 };
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parameter_t c = { { 0 }, (void *) (uintptr_t) 0x12 };
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int ret = 0;
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FOR_EACH_IMPL (impl, 0)
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{
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c.fn = impl->fn;
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CHAR *res = do_memchr (src, c);
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if (res)
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{
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error (0, 0, "Wrong result in function %s: %p != NULL",
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impl->name, res);
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ret = 1;
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}
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}
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return ret ? EXIT_FAILURE : EXIT_SUCCESS;
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}
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#include <support/test-driver.c>
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