82 lines
1.8 KiB
C
82 lines
1.8 KiB
C
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/* Test strlen with 0 in the RSI register.
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Copyright (C) 2021-2022 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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<https://www.gnu.org/licenses/>. */
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#ifdef WIDE
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# define TEST_NAME "wcslen"
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#else
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# define TEST_NAME "strlen"
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#endif /* WIDE */
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#define TEST_MAIN
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#include <string/test-string.h>
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#ifdef WIDE
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# include <wchar.h>
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# define STRLEN wcslen
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# define CHAR wchar_t
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#else
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# define STRLEN strlen
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# define CHAR char
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#endif /* WIDE */
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IMPL (STRLEN, 1)
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typedef size_t (*proto_t) (const CHAR *);
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typedef struct
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{
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void (*fn) (void);
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} parameter_t;
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size_t
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__attribute__ ((weak, noinline, noclone))
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do_strlen (parameter_t *a, int zero, const CHAR *str)
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{
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return CALL (a, str);
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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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size_t size = page_size / sizeof (CHAR) - 1;
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CHAR *buf = (CHAR *) buf2;
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buf[size] = 0;
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parameter_t a;
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int ret = 0;
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FOR_EACH_IMPL (impl, 0)
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{
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a.fn = impl->fn;
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/* NB: Pass 0 in RSI. */
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size_t res = do_strlen (&a, 0, buf);
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if (res != size)
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{
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error (0, 0, "Wrong result in function %s: %zu != %zu",
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impl->name, res, size);
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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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