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-rw-r--r--string/test-memcpy.c259
1 files changed, 0 insertions, 259 deletions
diff --git a/string/test-memcpy.c b/string/test-memcpy.c
deleted file mode 100644
index 49f0a76047..0000000000
--- a/string/test-memcpy.c
+++ /dev/null
@@ -1,259 +0,0 @@
-/* Test and measure memcpy functions.
- Copyright (C) 1999-2017 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Written by Jakub Jelinek <jakub@redhat.com>, 1999.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#ifndef MEMCPY_RESULT
-# define MEMCPY_RESULT(dst, len) dst
-# define MIN_PAGE_SIZE 131072
-# define TEST_MAIN
-# define TEST_NAME "memcpy"
-# include "test-string.h"
-
-char *simple_memcpy (char *, const char *, size_t);
-char *builtin_memcpy (char *, const char *, size_t);
-
-IMPL (simple_memcpy, 0)
-IMPL (builtin_memcpy, 0)
-IMPL (memcpy, 1)
-
-char *
-simple_memcpy (char *dst, const char *src, size_t n)
-{
- char *ret = dst;
- while (n--)
- *dst++ = *src++;
- return ret;
-}
-
-char *
-builtin_memcpy (char *dst, const char *src, size_t n)
-{
- return __builtin_memcpy (dst, src, n);
-}
-#endif
-
-typedef char *(*proto_t) (char *, const char *, size_t);
-
-static void
-do_one_test (impl_t *impl, char *dst, const char *src,
- size_t len)
-{
- size_t i;
-
- /* Must clear the destination buffer set by the previous run. */
- for (i = 0; i < len; i++)
- dst[i] = 0;
-
- if (CALL (impl, dst, src, len) != MEMCPY_RESULT (dst, len))
- {
- error (0, 0, "Wrong result in function %s %p %p", impl->name,
- CALL (impl, dst, src, len), MEMCPY_RESULT (dst, len));
- ret = 1;
- return;
- }
-
- if (memcmp (dst, src, len) != 0)
- {
- error (0, 0, "Wrong result in function %s dst %p \"%.*s\" src %p \"%.*s\" len %zu",
- impl->name, dst, (int) len, dst, src, (int) len, src, len);
- ret = 1;
- return;
- }
-}
-
-static void
-do_test (size_t align1, size_t align2, size_t len)
-{
- size_t i, j;
- char *s1, *s2;
-
- align1 &= 63;
- if (align1 + len >= page_size)
- return;
-
- align2 &= 63;
- if (align2 + len >= page_size)
- return;
-
- s1 = (char *) (buf1 + align1);
- s2 = (char *) (buf2 + align2);
-
- for (i = 0, j = 1; i < len; i++, j += 23)
- s1[i] = j;
-
- FOR_EACH_IMPL (impl, 0)
- do_one_test (impl, s2, s1, len);
-}
-
-static void
-do_random_tests (void)
-{
- size_t i, j, n, align1, align2, len, size1, size2, size;
- int c;
- unsigned char *p1, *p2;
- unsigned char *res;
-
- for (n = 0; n < ITERATIONS; n++)
- {
- if (n == 0)
- {
- len = getpagesize ();
- size = len + 512;
- size1 = size;
- size2 = size;
- align1 = 512;
- align2 = 512;
- }
- else
- {
- if ((random () & 255) == 0)
- size = 65536;
- else
- size = 768;
- if (size > page_size)
- size = page_size;
- size1 = size;
- size2 = size;
- i = random ();
- if (i & 3)
- size -= 256;
- if (i & 1)
- size1 -= 256;
- if (i & 2)
- size2 -= 256;
- if (i & 4)
- {
- len = random () % size;
- align1 = size1 - len - (random () & 31);
- align2 = size2 - len - (random () & 31);
- if (align1 > size1)
- align1 = 0;
- if (align2 > size2)
- align2 = 0;
- }
- else
- {
- align1 = random () & 63;
- align2 = random () & 63;
- len = random () % size;
- if (align1 + len > size1)
- align1 = size1 - len;
- if (align2 + len > size2)
- align2 = size2 - len;
- }
- }
- p1 = buf1 + page_size - size1;
- p2 = buf2 + page_size - size2;
- c = random () & 255;
- j = align1 + len + 256;
- if (j > size1)
- j = size1;
- for (i = 0; i < j; ++i)
- p1[i] = random () & 255;
-
- FOR_EACH_IMPL (impl, 1)
- {
- j = align2 + len + 256;
- if (j > size2)
- j = size2;
- memset (p2, c, j);
- res = (unsigned char *) CALL (impl,
- (char *) (p2 + align2),
- (char *) (p1 + align1), len);
- if (res != MEMCPY_RESULT (p2 + align2, len))
- {
- error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd) %p != %p",
- n, impl->name, align1, align2, len, res,
- MEMCPY_RESULT (p2 + align2, len));
- ret = 1;
- }
- for (i = 0; i < align2; ++i)
- {
- if (p2[i] != c)
- {
- error (0, 0, "Iteration %zd - garbage before, %s (%zd, %zd, %zd)",
- n, impl->name, align1, align2, len);
- ret = 1;
- break;
- }
- }
- for (i = align2 + len; i < j; ++i)
- {
- if (p2[i] != c)
- {
- error (0, 0, "Iteration %zd - garbage after, %s (%zd, %zd, %zd)",
- n, impl->name, align1, align2, len);
- ret = 1;
- break;
- }
- }
- if (memcmp (p1 + align1, p2 + align2, len))
- {
- error (0, 0, "Iteration %zd - different strings, %s (%zd, %zd, %zd)",
- n, impl->name, align1, align2, len);
- ret = 1;
- }
- }
- }
-}
-
-int
-test_main (void)
-{
- size_t i;
-
- test_init ();
-
- printf ("%23s", "");
- FOR_EACH_IMPL (impl, 0)
- printf ("\t%s", impl->name);
- putchar ('\n');
-
- for (i = 0; i < 18; ++i)
- {
- do_test (0, 0, 1 << i);
- do_test (i, 0, 1 << i);
- do_test (0, i, 1 << i);
- do_test (i, i, 1 << i);
- }
-
- for (i = 0; i < 32; ++i)
- {
- do_test (0, 0, i);
- do_test (i, 0, i);
- do_test (0, i, i);
- do_test (i, i, i);
- }
-
- for (i = 3; i < 32; ++i)
- {
- if ((i & (i - 1)) == 0)
- continue;
- do_test (0, 0, 16 * i);
- do_test (i, 0, 16 * i);
- do_test (0, i, 16 * i);
- do_test (i, i, 16 * i);
- }
-
- do_test (0, 0, getpagesize ());
-
- do_random_tests ();
- return ret;
-}
-
-#include <support/test-driver.c>
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