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* string/test-string.h: New file.

Browse Source 
* string/test-strlen.c: New file.
	* string/test-string.h: New file.
	* string/test-strcmp.c: New file.
	* string/test-strchr.c: New file.
	* string/test-strrchr.c: New file.
	* string/test-strcpy.c: New file.
	* string/test-stpcpy.c: New file.
	* string/test-strncpy.c: New file.
	* string/test-stpncpy.c: New file.
	* string/test-strpbrk.c: New file.
	* string/test-strcspn.c: New file.
	* string/test-strspn.c: New file.
	* string/test-strcat.c: New file.
	* string/test-strncmp.c: New file.
	* string/test-memchr.c: New file.
	* string/test-memcmp.c: New file.
	* string/test-memset.c: New file.
	* string/test-memcpy.c: New file.
	* string/test-mempcpy.c: New file.
	* string/test-memmove.c: New file.
	* string/Makefile (strop-tests): New variable.
	(tests): Add strop-tests.
	(distribute): Add test-string.h.
This commit is contained in:
Roland McGrath 2002-11-07 19:15:01 +00:00
parent cbf900b430
commit 58ef9ef7bc
22 changed files with 3841 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
ChangeLog
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@ -1,3 +1,30 @@
2002-11-07 Jakub Jelinek <jakub@redhat.com>
* string/test-string.h: New file.
* string/test-strlen.c: New file.
* string/test-string.h: New file.
* string/test-strcmp.c: New file.
* string/test-strchr.c: New file.
* string/test-strrchr.c: New file.
* string/test-strcpy.c: New file.
* string/test-stpcpy.c: New file.
* string/test-strncpy.c: New file.
* string/test-stpncpy.c: New file.
* string/test-strpbrk.c: New file.
* string/test-strcspn.c: New file.
* string/test-strspn.c: New file.
* string/test-strcat.c: New file.
* string/test-strncmp.c: New file.
* string/test-memchr.c: New file.
* string/test-memcmp.c: New file.
* string/test-memset.c: New file.
* string/test-memcpy.c: New file.
* string/test-mempcpy.c: New file.
* string/test-memmove.c: New file.
* string/Makefile (strop-tests): New variable.
(tests): Add strop-tests.
(distribute): Add test-string.h.
2002-11-06 Ulrich Drepper <drepper@redhat.com>
* posix/regcomp.c: Use tabs instead of spaces.

8
string/Makefile
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@ -45,11 +45,15 @@ routines := strcat strchr strcmp strcoll strcpy strcspn \
# for -fbounded-pointer compiles. Glibc uses memchr for explicit checks.
o-objects.ob := memcpy.o memset.o memchr.o
strop-tests := memchr memcmp memcpy memmove mempcpy memset stpcpy \
stpncpy strcat strchr strcmp strcpy strcspn strlen \
strncmp strncpy strpbrk strrchr strspn
tests := tester inl-tester noinl-tester testcopy test-ffs \
tst-strlen stratcliff tst-svc tst-inlcall \
bug-strncat1 bug-strspn1 bug-strpbrk1 tst-bswap \
tst-strtok tst-strxfrm bug-strcoll1
distribute := memcopy.h pagecopy.h tst-svc.expect
tst-strtok tst-strxfrm bug-strcoll1 \
$(addprefix test-,$(strop-tests))
distribute := memcopy.h pagecopy.h tst-svc.expect test-string.h
include ../Rules

189
string/test-memchr.c Normal file
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/* Test and measure memchr functions.
Copyright (C) 1999, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#define TEST_MAIN
#include "test-string.h"
typedef char *(*proto_t) (const char *, int, size_t);
char *simple_memchr (const char *, int, size_t);
IMPL (simple_memchr, 0)
IMPL (memchr, 1)
char *
simple_memchr (const char *s, int c, size_t n)
{
while (n--)
if (*s++ == (char) c)
return (char *) s - 1;
return NULL;
}
static void
do_one_test (impl_t *impl, const char *s, int c, size_t n, char *exp_res)
{
char *res = CALL (impl, s, c, n);
if (res != exp_res)
{
error (0, 0, "Wrong result in function %s %p %p", impl->name,
res, exp_res);
ret = 1;
return;
}
if (HP_TIMING_AVAIL)
{
hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
size_t i;
for (i = 0; i < 32; ++i)
{
HP_TIMING_NOW (start);
CALL (impl, s, c, n);
HP_TIMING_NOW (stop);
HP_TIMING_BEST (best_time, start, stop);
}
printf ("\t%zd", (size_t) best_time);
}
}
static void
do_test (size_t align, size_t pos, size_t len, int seek_char)
{
size_t i;
char *result;
align &= 7;
if (align + len >= page_size)
return;
for (i = 0; i < len; ++i)
{
buf1[align + i] = 1 + 23 * i % 127;
if (buf1[align + i] == seek_char)
buf1[align + i] = seek_char + 1;
}
buf1[align + len] = 0;
if (pos < len)
{
buf1[align + pos] = seek_char;
buf1[align + len] = -seek_char;
result = buf1 + align + pos;
}
else
{
result = NULL;
buf1[align + len] = seek_char;
}
if (HP_TIMING_AVAIL)
printf ("Length %4zd, alignment %2zd:", pos, align);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, buf1 + align, seek_char, len, result);
if (HP_TIMING_AVAIL)
putchar ('\n');
}
static void
do_random_tests (void)
{
size_t i, j, n, align, pos, len;
int seek_char;
char *result;
unsigned char *p = buf1 + page_size - 512;
for (n = 0; n < ITERATIONS; n++)
{
align = random () & 15;
pos = random () & 511;
if (pos + align >= 512)
pos = 511 - align - (random () & 7);
len = random () & 511;
if (pos >= len)
len = pos + (random () & 7);
if (len + align >= 512)
len = 512 - align - (random () & 7);
seek_char = random () & 255;
j = len + align + 64;
if (j > 512)
j = 512;
for (i = 0; i < j; i++)
{
if (i == pos + align)
p[i] = seek_char;
else
{
p[i] = random () & 255;
if (i < pos + align && p[i] == seek_char)
p[i] = seek_char + 13;
}
}
if (pos < len)
result = p + pos + align;
else
result = NULL;
FOR_EACH_IMPL (impl, 1)
if (CALL (impl, p + align, seek_char, len) != result)
{
error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %d, %zd, %zd) %p != %p, p %p",
n, impl->name, align, seek_char, len, pos,
CALL (impl, p + align, seek_char, len), result, p);
ret = 1;
}
}
}
int
test_main (void)
{
size_t i;
test_init ();
printf ("%20s", "");
FOR_EACH_IMPL (impl, 0)
printf ("\t%s", impl->name);
putchar ('\n');
for (i = 1; i < 8; ++i)
{
do_test (0, 16 << i, 2048, 23);
do_test (i, 64, 256, 23);
do_test (0, 16 << i, 2048, 0);
do_test (i, 64, 256, 0);
}
for (i = 1; i < 32; ++i)
{
do_test (0, i, i + 1, 23);
do_test (0, i, i + 1, 0);
}
do_random_tests ();
return ret;
}
#include "../test-skeleton.c"

222
string/test-memcmp.c Normal file
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/* Test and measure memcmp functions.
Copyright (C) 1999, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#define TEST_MAIN
#include "test-string.h"
typedef int (*proto_t) (const char *, const char *, size_t);
int simple_memcmp (const char *, const char *, size_t);
IMPL (simple_memcmp, 0)
IMPL (memcmp, 1)
int
simple_memcmp (const char *s1, const char *s2, size_t n)
{
int ret = 0;
while (n--
&& (ret = *(unsigned char *) s1++ - *(unsigned char *) s2++) == 0);
return ret;
}
static void
do_one_test (impl_t *impl, const char *s1, const char *s2, size_t len,
int exp_result)
{
int result = CALL (impl, s1, s2, len);
if ((exp_result == 0 && result != 0)
|| (exp_result < 0 && result >= 0)
|| (exp_result > 0 && result <= 0))
{
error (0, 0, "Wrong result in function %s %d %d", impl->name,
result, exp_result);
ret = 1;
return;
}
if (HP_TIMING_AVAIL)
{
hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
size_t i;
for (i = 0; i < 32; ++i)
{
HP_TIMING_NOW (start);
CALL (impl, s1, s2, len);
HP_TIMING_NOW (stop);
HP_TIMING_BEST (best_time, start, stop);
}
printf ("\t%zd", (size_t) best_time);
}
}
static void
do_test (size_t align1, size_t align2, size_t len, int exp_result)
{
size_t i;
char *s1, *s2;
if (len == 0)
return;
align1 &= 7;
if (align1 + len >= page_size)
return;
align2 &= 7;
if (align2 + len >= page_size)
return;
s1 = buf1 + align1;
s2 = buf2 + align2;
for (i = 0; i < len; i++)
s1[i] = s2[i] = 1 + 23 * i % 255;
s1[len] = align1;
s2[len] = align2;
s2[len - 1] -= exp_result;
if (HP_TIMING_AVAIL)
printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s1, s2, len, exp_result);
if (HP_TIMING_AVAIL)
putchar ('\n');
}
static void
do_random_tests (void)
{
size_t i, j, n, align1, align2, pos, len;
int result, r;
unsigned char *p1 = buf1 + page_size - 512;
unsigned char *p2 = buf2 + page_size - 512;
for (n = 0; n < ITERATIONS; n++)
{
align1 = random () & 31;
if (random () & 1)
align2 = random () & 31;
else
align2 = align1 + (random () & 24);
pos = random () & 511;
j = align1;
if (align2 > j)
j = align2;
if (pos + j >= 512)
pos = 511 - j - (random () & 7);
len = random () & 511;
if (len + j >= 512)
len = 511 - j - (random () & 7);
j = len + align1 + 64;
if (j > 512) j = 512;
for (i = 0; i < j; ++i)
p1[i] = random () & 255;
for (i = 0; i < j; ++i)
p2[i] = random () & 255;
result = 0;
if (pos >= len)
memcpy (p2 + align2, p1 + align1, len);
else
{
memcpy (p2 + align2, p1 + align1, pos);
if (p2[align2 + pos] == p1[align1 + pos])
{
p2[align2 + pos] = random () & 255;
if (p2[align2 + pos] == p1[align1 + pos])
p2[align2 + pos] = p1[align1 + pos] + 3 + (random () & 127);
}
if (p1[align1 + pos] < p2[align2 + pos])
result = -1;
else
result = 1;
}
FOR_EACH_IMPL (impl, 1)
{
r = CALL (impl, p1 + align1, p2 + align2, len);
if ((r == 0 && result)
|| (r < 0 && result >= 0)
|| (r > 0 && result <= 0))
{
error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd, %zd) %d != %d, p1 %p p2 %p",
n, impl->name, align1, align2, len, pos, r, result, p1, p2);
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 = 1; i < 16; ++i)
{
do_test (i, i, i, 0);
do_test (i, i, i, 1);
do_test (i, i, i, -1);
}
for (i = 0; i < 16; ++i)
{
do_test (0, 0, i, 0);
do_test (0, 0, i, 1);
do_test (0, 0, i, -1);
}
for (i = 1; i < 10; ++i)
{
do_test (0, 0, 2 << i, 0);
do_test (0, 0, 2 << i, 1);
do_test (0, 0, 2 << i, -1);
do_test (0, 0, 16 << i, 0);
do_test (8 - i, 2 * i, 16 << i, 0);
do_test (0, 0, 16 << i, 1);
do_test (0, 0, 16 << i, -1);
}
for (i = 1; i < 8; ++i)
{
do_test (i, 2 * i, 8 << i, 0);
do_test (i, 2 * i, 8 << i, 1);
do_test (i, 2 * i, 8 << i, -1);
}
do_random_tests ();
return ret;
}
#include "../test-skeleton.c"

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string/test-memcpy.c Normal file
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/* Test and measure memcpy functions.
Copyright (C) 1999, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef MEMCPY_RESULT
# define MEMCPY_RESULT(dst, len) dst
# define MIN_PAGE_SIZE 131072
# define TEST_MAIN
# 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)
{
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 \"%s\" src \"%s\"",
impl->name, dst, src);
ret = 1;
return;
}
if (HP_TIMING_AVAIL)
{
hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
size_t i;
for (i = 0; i < 32; ++i)
{
HP_TIMING_NOW (start);
CALL (impl, dst, src, len);
HP_TIMING_NOW (stop);
HP_TIMING_BEST (best_time, start, stop);
}
printf ("\t%zd", (size_t) best_time);
}
}
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 = buf1 + align1;
s2 = buf2 + align2;
for (i = 0, j = 1; i < len; i++, j += 23)
s1[i] = j;
if (HP_TIMING_AVAIL)
printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s2, s1, len);
if (HP_TIMING_AVAIL)
putchar ('\n');
}
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 = CALL (impl, p2 + align2, 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 "../test-skeleton.c"

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/* Test and measure memmove functions.
Copyright (C) 1999, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#define TEST_MAIN
#include "test-string.h"
typedef char *(*proto_t) (char *, const char *, size_t);
char *simple_memmove (char *, const char *, size_t);
IMPL (simple_memmove, 0)
IMPL (memmove, 1)
char *
simple_memmove (char *dst, const char *src, size_t n)
{
char *ret = dst;
if (src < dst)
{
dst += n;
src += n;
while (n--)
*--dst = *--src;
}
else
while (n--)
*dst++ = *src++;
return ret;
}
static void
do_one_test (impl_t *impl, char *dst, char *src, const char *orig_src,
size_t len)
{
char *res;
memcpy (src, orig_src, len);
res = CALL (impl, dst, src, len);
if (res != dst)
{
error (0, 0, "Wrong result in function %s %p %p", impl->name,
res, dst);
ret = 1;
return;
}
if (memcmp (dst, orig_src, len) != 0)
{
error (0, 0, "Wrong result in function %s dst \"%s\" src \"%s\"",
impl->name, dst, src);
ret = 1;
return;
}
if (HP_TIMING_AVAIL)
{
hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
size_t i;
for (i = 0; i < 32; ++i)
{
HP_TIMING_NOW (start);
CALL (impl, dst, src, len);
HP_TIMING_NOW (stop);
HP_TIMING_BEST (best_time, start, stop);
}
printf ("\t%zd", (size_t) best_time);
}
}
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 = buf1 + align1;
s2 = buf2 + align2;
for (i = 0, j = 1; i < len; i++, j += 23)
s1[i] = j;
if (HP_TIMING_AVAIL)
printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s2, buf2 + align1, s1, len);
if (HP_TIMING_AVAIL)
putchar ('\n');
}
static void
do_random_tests (void)
{
size_t i, n, align1, align2, len, size;
size_t srcstart, srcend, dststart, dstend;
int c;
unsigned char *p1, *p2;
unsigned char *res;
for (n = 0; n < ITERATIONS; n++)
{
if ((random () & 255) == 0)
size = 65536;
else
size = 512;
if (size > page_size)
size = page_size;
if ((random () & 3) == 0)
{
len = random () & (size - 1);
align1 = size - len - (random () & 31);
align2 = size - len - (random () & 31);
if (align1 > size)
align1 = 0;
if (align2 > size)
align2 = 0;
}
else
{
align1 = random () & (size / 2 - 1);
align2 = random () & (size / 2 - 1);
len = random () & (size - 1);
if (align1 + len > size)
align1 = size - len;
if (align2 + len > size)
align2 = size - len;
}
p1 = buf1 + page_size - size;
p2 = buf2 + page_size - size;
c = random () & 255;
srcend = align1 + len + 256;
if (srcend > size)
srcend = size;
if (align1 > 256)
srcstart = align1 - 256;
else
srcstart = 0;
for (i = srcstart; i < srcend; ++i)
p1[i] = random () & 255;
dstend = align2 + len + 256;
if (dstend > size)
dstend = size;
if (align2 > 256)
dststart = align2 - 256;
else
dststart = 0;
FOR_EACH_IMPL (impl, 1)
{
memset (p2 + dststart, c, dstend - dststart);
memcpy (p2 + srcstart, p1 + srcstart, srcend - srcstart);
res = CALL (impl, p2 + align2, p2 + align1, len);
if (res != p2 + align2)
{
error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd) %p != %p",
n, impl->name, align1, align2, len, res, p2 + align2);
ret = 1;
}
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;
}
for (i = dststart; i < dstend; ++i)
{
if (i >= align2 && i < align2 + len)
{
i = align2 + len - 1;
continue;
}
if (i >= srcstart && i < srcend)
{
i = srcend - 1;
continue;
}
if (p2[i] != c)
{
error (0, 0, "Iteration %zd - garbage in memset area, %s (%zd, %zd, %zd)",
n, impl->name, align1, align2, len);
ret = 1;
break;
}
}
if (srcstart < align2
&& memcmp (p2 + srcstart, p1 + srcstart,
(srcend > align2 ? align2 : srcend) - srcstart))
{
error (0, 0, "Iteration %zd - garbage before dst, %s (%zd, %zd, %zd)",
n, impl->name, align1, align2, len);
ret = 1;
break;
}
i = srcstart > align2 + len ? srcstart : align2 + len;
if (srcend > align2 + len
&& memcmp (p2 + i, p1 + i, srcend - i))
{
error (0, 0, "Iteration %zd - garbage after dst, %s (%zd, %zd, %zd)",
n, impl->name, align1, align2, len);
ret = 1;
break;
}
}
}
}
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 < 14; ++i)
{
do_test (0, 32, 1 << i);
do_test (32, 0, 1 << i);
do_test (0, i, 1 << i);
do_test (i, 0, 1 << i);
}
for (i = 0; i < 32; ++i)
{
do_test (0, 32, i);
do_test (32, 0, i);
do_test (0, i, i);
do_test (i, 0, i);
}
for (i = 3; i < 32; ++i)
{
if ((i & (i - 1)) == 0)
continue;
do_test (0, 32, 16 * i);
do_test (32, 0, 16 * i);
do_test (0, i, 16 * i);
do_test (i, 0, 16 * i);
}
do_random_tests ();
return ret;
}
#include "../test-skeleton.c"

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/* Test and measure mempcpy functions.
Copyright (C) 1999, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#define MEMCPY_RESULT(dst, len) (dst) + (len)
#define TEST_MAIN
#include "test-string.h"
char *simple_mempcpy (char *, const char *, size_t);
IMPL (simple_mempcpy, 0)
IMPL (mempcpy, 1)
char *
simple_mempcpy (char *dst, const char *src, size_t n)
{
while (n--)
*dst++ = *src++;
return dst;
}
#include "test-memcpy.c"

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/* Test and measure memset functions.
Copyright (C) 1999, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#define TEST_MAIN
#define MIN_PAGE_SIZE 131072
#include "test-string.h"
typedef char *(*proto_t) (char *, int, size_t);
char *simple_memset (char *, int, size_t);
char *builtin_memset (char *, int, size_t);
IMPL (simple_memset, 0)
IMPL (builtin_memset, 0)
IMPL (memset, 1)
char *
simple_memset (char *s, int c, size_t n)
{
char *r = s, *end = s + n;
while (r < end)
*r++ = c;
return s;
}
char *
builtin_memset (char *s, int c, size_t n)
{
return __builtin_memset (s, c, n);
}
static void
do_one_test (impl_t *impl, char *s, int c, size_t n)
{
char *res = CALL (impl, s, c, n);
if (res != s)
{
error (0, 0, "Wrong result in function %s %p != %p", impl->name,
res, s);
ret = 1;
return;
}
if (HP_TIMING_AVAIL)
{
hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
size_t i;
for (i = 0; i < 32; ++i)
{
HP_TIMING_NOW (start);
CALL (impl, s, c, n);
HP_TIMING_NOW (stop);
HP_TIMING_BEST (best_time, start, stop);
}
printf ("\t%zd", (size_t) best_time);
}
}
static void
do_test (size_t align, int c, size_t len)
{
align &= 7;
if (align + len > page_size)
return;
if (HP_TIMING_AVAIL)
printf ("Length %4zd, alignment %2zd, c %2d:", len, align, c);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, buf1 + align, c, len);
if (HP_TIMING_AVAIL)
putchar ('\n');
}
static void
do_random_tests (void)
{
size_t i, j, k, n, align, len, size;
int c, o;
unsigned char *p, *res;
for (i = 0; i < 65536; ++i)
buf2[i] = random () & 255;
for (n = 0; n < ITERATIONS; n++)
{
if ((random () & 31) == 0)
size = 65536;
else
size = 512;
p = buf1 + page_size - size;
len = random () & (size - 1);
align = size - len - (random () & 31);
if (align > size)
align = size - len;
if ((random () & 7) == 0)
align &= ~63;
if ((random () & 7) == 0)
c = 0;
else
c = random () & 255;
o = random () & 255;
if (o == c)
o = (c + 1) & 255;
j = len + align + 128;
if (j > size)
j = size;
if (align >= 128)
k = align - 128;
else
k = 0;
for (i = k; i < align; ++i)
p[i] = o;
for (i = align + len; i < j; ++i)
p[i] = o;
FOR_EACH_IMPL (impl, 1)
{
for (i = 0; i < len; ++i)
{
p[i + align] = buf2[i];
if (p[i + align] == c)
p[i + align] = o;
}
res = CALL (impl, p + align, c, len);
if (res != p + align)
{
error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %d, %zd) %p != %p",
n, impl->name, align, c, len, res, p + align);
ret = 1;
}
for (i = k; i < align; ++i)
if (p[i] != o)
{
error (0, 0, "Iteration %zd - garbage before %s (%zd, %d, %zd)",
n, impl->name, align, c, len);
ret = 1;
break;
}
for (; i < align + len; ++i)
if (p[i] != c)
{
error (0, 0, "Iteration %zd - not cleared correctly %s (%zd, %d, %zd)",
n, impl->name, align, c, len);
ret = 1;
break;
}
for (; i < j; ++i)
if (p[i] != o)
{
error (0, 0, "Iteration %zd - garbage after %s (%zd, %d, %zd)",
n, impl->name, align, c, len);
ret = 1;
break;
}
}
}
}
int
test_main (void)
{
size_t i;
int c;
test_init ();
printf ("%24s", "");
FOR_EACH_IMPL (impl, 0)
printf ("\t%s", impl->name);
putchar ('\n');
for (c = 0; c <= 65; c += 65)
{
for (i = 0; i < 18; ++i)
do_test (0, c, 1 << i);
for (i = 1; i < 32; ++i)
{
do_test (i, c, i);
if (i & (i - 1))
do_test (0, c, i);
}
do_test (1, c, 14);
do_test (3, c, 1024);
do_test (4, c, 64);
do_test (2, c, 25);
}
do_random_tests ();
return ret;
}
#include "../test-skeleton.c"

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/* Test and measure stpcpy functions.
Copyright (C) 1999, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#define STRCPY_RESULT(dst, len) ((dst) + (len))
#define TEST_MAIN
#include "test-string.h"
char *simple_stpcpy (char *, const char *);
IMPL (simple_stpcpy, 0)
IMPL (stpcpy, 1)
char *
simple_stpcpy (char *dst, const char *src)
{
while ((*dst++ = *src++) != '\0');
return dst - 1;
}
#include "test-strcpy.c"

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/* Test and measure stpncpy functions.
Copyright (C) 1999, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#define STRNCPY_RESULT(dst, len, n) ((dst) + ((len) > (n) ? (n) : (len)))
#define TEST_MAIN
#include "test-string.h"
char *simple_stpncpy (char *, const char *, size_t);
IMPL (simple_stpncpy, 0)
IMPL (stpncpy, 1)
char *
simple_stpncpy (char *dst, const char *src, size_t n)
{
while (n--)
if ((*dst++ = *src++) == '\0')
{
size_t i;
for (i = 0; i < n; ++i)
dst[i] = '\0';
return dst - 1;
}
return dst;
}
#include "test-strncpy.c"

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/* Test and measure strcat functions.
Copyright (C) 1999, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#define TEST_MAIN
#include "test-string.h"
typedef char *(*proto_t) (char *, const char *);
char *simple_strcat (char *, const char *);
IMPL (simple_strcat, 0)
IMPL (strcat, 1)
char *
simple_strcat (char *dst, const char *src)
{
char *ret = dst;
while (*dst++ != '\0');
--dst;
while ((*dst++ = *src++) != '\0');
return ret;
}
static void
do_one_test (impl_t *impl, char *dst, const char *src)
{
size_t k = strlen (dst);
if (CALL (impl, dst, src) != dst)
{
error (0, 0, "Wrong result in function %s %p %p", impl->name,
CALL (impl, dst, src), dst);
ret = 1;
return;
}
if (strcmp (dst + k, src) != 0)
{
error (0, 0, "Wrong result in function %s dst \"%s\" src \"%s\"",
impl->name, dst, src);
ret = 1;
return;
}
if (HP_TIMING_AVAIL)
{
hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
size_t i;
for (i = 0; i < 32; ++i)
{
dst[k] = '\0';
HP_TIMING_NOW (start);
CALL (impl, dst, src);
HP_TIMING_NOW (stop);
HP_TIMING_BEST (best_time, start, stop);
}
printf ("\t%zd", (size_t) best_time);
}
}
static void
do_test (size_t align1, size_t align2, size_t len1, size_t len2, int max_char)
{
size_t i;
char *s1, *s2;
align1 &= 7;
if (align1 + len1 >= page_size)
return;
align2 &= 7;
if (align2 + len1 + len2 >= page_size)
return;
s1 = buf1 + align1;
s2 = buf2 + align2;
for (i = 0; i < len1; ++i)
s1[i] = 32 + 23 * i % (max_char - 32);
s1[len1] = '\0';
for (i = 0; i < len2; i++)
s2[i] = 32 + 23 * i % (max_char - 32);
if (HP_TIMING_AVAIL)
printf ("Length %4zd/%4zd, alignment %2zd/%2zd:", len1, len2, align1, align2);
FOR_EACH_IMPL (impl, 0)
{
s2[len2] = '\0';
do_one_test (impl, s2, s1);
}
if (HP_TIMING_AVAIL)
putchar ('\n');
}
static void
do_random_tests (void)
{
size_t i, j, n, align1, align2, len1, len2;
unsigned char *p1 = buf1 + page_size - 512;
unsigned char *p2 = buf2 + page_size - 512;
unsigned char *res;
for (n = 0; n < ITERATIONS; n++)
{
align1 = random () & 31;
if (random () & 1)
align2 = random () & 31;
else
align2 = align1 + (random () & 24);
len1 = random () & 511;
if (len1 + align2 > 512)
len2 = random () & 7;
else
len2 = (512 - len1 - align2) * (random () & (1024 * 1024 - 1))
/ (1024 * 1024);
j = align1;
if (align2 + len2 > j)
j = align2 + len2;
if (len1 + j >= 511)
len1 = 510 - j - (random () & 7);
if (len1 >= 512)
len1 = 0;
if (align1 + len1 < 512 - 8)
{
j = 510 - align1 - len1 - (random () & 31);
if (j > 0 && j < 512)
align1 += j;
}
j = len1 + align1 + 64;
if (j > 512)
j = 512;
for (i = 0; i < j; i++)
{
if (i == len1 + align1)
p1[i] = 0;
else
{
p1[i] = random () & 255;
if (i >= align1 && i < len1 + align1 && !p1[i])
p1[i] = (random () & 127) + 3;
}
}
for (i = 0; i < len2; i++)
{
buf1[i] = random () & 255;
if (!buf1[i])
buf1[i] = (random () & 127) + 3;
}
buf1[len2] = 0;
FOR_EACH_IMPL (impl, 1)
{
memset (p2 - 64, '\1', align2 + 64);
memset (p2 + align2 + len2 + 1, '\1', 512 - align2 - len2 - 1);
memcpy (p2 + align2, buf1, len2 + 1);
res = CALL (impl, p2 + align2, p1 + align1);
if (res != p2 + align2)
{
error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd %zd) %p != %p",
n, impl->name, align1, align2, len1, len2, res,
p2 + align2);
ret = 1;
}
for (j = 0; j < align2 + 64; ++j)
{
if (p2[j - 64] != '\1')
{
error (0, 0, "Iteration %zd - garbage before, %s (%zd, %zd, %zd, %zd)",
n, impl->name, align1, align2, len1, len2);
ret = 1;
break;
}
}
if (memcmp (p2 + align2, buf1, len2))
{
error (0, 0, "Iteration %zd - garbage in string before, %s (%zd, %zd, %zd, %zd)",
n, impl->name, align1, align2, len1, len2);
ret = 1;
}
for (j = align2 + len1 + len2 + 1; j < 512; ++j)
{
if (p2[j] != '\1')
{
error (0, 0, "Iteration %zd - garbage after, %s (%zd, %zd, %zd, %zd)",
n, impl->name, align1, align2, len1, len2);
ret = 1;
break;
}
}
if (memcmp (p1 + align1, p2 + align2 + len2, len1 + 1))
{
error (0, 0, "Iteration %zd - different strings, %s (%zd, %zd, %zd, %zd)",
n, impl->name, align1, align2, len1, len2);
ret = 1;
}
}
}
}
int
test_main (void)
{
size_t i;
test_init ();
printf ("%28s", "");
FOR_EACH_IMPL (impl, 0)
printf ("\t%s", impl->name);
putchar ('\n');
for (i = 0; i < 16; ++i)
{
do_test (0, 0, i, i, 127);
do_test (0, 0, i, i, 255);
do_test (0, i, i, i, 127);
do_test (i, 0, i, i, 255);
}
for (i = 1; i < 8; ++i)
{
do_test (0, 0, 8 << i, 8 << i, 127);
do_test (8 - i, 2 * i, 8 << i, 8 << i, 127);
do_test (0, 0, 8 << i, 2 << i, 127);
do_test (8 - i, 2 * i, 8 << i, 2 << i, 127);
}
for (i = 1; i < 8; ++i)
{
do_test (i, 2 * i, 8 << i, 1, 127);
do_test (2 * i, i, 8 << i, 1, 255);
do_test (i, i, 8 << i, 10, 127);
do_test (i, i, 8 << i, 10, 255);
}
do_random_tests ();
return ret;
}
#include "../test-skeleton.c"

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/* Test and measure strchr functions.
Copyright (C) 1999, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#define TEST_MAIN
#include "test-string.h"
typedef char *(*proto_t) (const char *, int);
char *simple_strchr (const char *, int);
IMPL (simple_strchr, 0)
IMPL (strchr, 1)
char *
simple_strchr (const char *s, int c)
{
for (; *s != (char) c; ++s)
if (*s == '\0')
return NULL;
return (char *) s;
}
static void
do_one_test (impl_t *impl, const char *s, int c, char *exp_res)
{
char *res = CALL (impl, s, c);
if (res != exp_res)
{
error (0, 0, "Wrong result in function %s %p %p", impl->name,
res, exp_res);
ret = 1;
return;
}
if (HP_TIMING_AVAIL)
{
hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
size_t i;
for (i = 0; i < 32; ++i)
{
HP_TIMING_NOW (start);
CALL (impl, s, c);
HP_TIMING_NOW (stop);
HP_TIMING_BEST (best_time, start, stop);
}
printf ("\t%zd", (size_t) best_time);
}
}
static void
do_test (size_t align, size_t pos, size_t len, int seek_char, int max_char)
{
size_t i;
char *result;
align &= 7;
if (align + len >= page_size)
return;
for (i = 0; i < len; ++i)
{
buf1[align + i] = 32 + 23 * i % (max_char - 32);
if (buf1[align + i] == seek_char)
buf1[align + i] = seek_char + 1;
}
buf1[align + len] = 0;
if (pos < len)
{
buf1[align + pos] = seek_char;
result = buf1 + align + pos;
}
else if (seek_char == 0)
result = buf1 + align + len;
else
result = NULL;
if (HP_TIMING_AVAIL)
printf ("Length %4zd, alignment %2zd:", pos, align);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, buf1 + align, seek_char, result);
if (HP_TIMING_AVAIL)
putchar ('\n');
}
static void
do_random_tests (void)
{
size_t i, j, n, align, pos, len;
int seek_char;
char *result;
unsigned char *p = buf1 + page_size - 512;
for (n = 0; n < ITERATIONS; n++)
{
align = random () & 15;
pos = random () & 511;
if (pos + align >= 511)
pos = 510 - align - (random () & 7);
len = random () & 511;
if (pos >= len)
len = pos + (random () & 7);
if (len + align >= 512)
len = 511 - align - (random () & 7);
seek_char = random () & 255;
j = len + align + 64;
if (j > 512)
j = 512;
for (i = 0; i < j; i++)
{
if (i == pos + align)
p[i] = seek_char;
else if (i == len + align)
p[i] = 0;
else
{
p[i] = random () & 255;
if (i < pos + align && p[i] == seek_char)
p[i] = seek_char + 13;
if (i < len + align && !p[i])
{
p[i] = seek_char - 13;
if (!p[i])
p[i] = 140;
}
}
}
if (pos <= len)
result = p + pos + align;
else if (seek_char == 0)
result = p + len + align;
else
result = NULL;
FOR_EACH_IMPL (impl, 1)
if (CALL (impl, p + align, seek_char) != result)
{
error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %d, %zd, %zd) %p != %p, p %p",
n, impl->name, align, seek_char, len, pos,
CALL (impl, p + align, seek_char), result, p);
ret = 1;
}
}
}
int
test_main (void)
{
size_t i;
test_init ();
printf ("%20s", "");
FOR_EACH_IMPL (impl, 0)
printf ("\t%s", impl->name);
putchar ('\n');
for (i = 1; i < 8; ++i)
{
do_test (0, 16 << i, 2048, 23, 127);
do_test (i, 16 << i, 2048, 23, 127);
}
for (i = 1; i < 8; ++i)
{
do_test (i, 64, 256, 23, 127);
do_test (i, 64, 256, 23, 255);
}
for (i = 0; i < 32; ++i)
{
do_test (0, i, i + 1, 23, 127);
do_test (0, i, i + 1, 23, 255);
}
for (i = 1; i < 8; ++i)
{
do_test (0, 16 << i, 2048, 0, 127);
do_test (i, 16 << i, 2048, 0, 127);
}
for (i = 1; i < 8; ++i)
{
do_test (i, 64, 256, 0, 127);
do_test (i, 64, 256, 0, 255);
}
for (i = 0; i < 32; ++i)
{
do_test (0, i, i + 1, 0, 127);
do_test (0, i, i + 1, 0, 255);
}
do_random_tests ();
return ret;
}
#include "../test-skeleton.c"

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/* Test and measure strcmp functions.
Copyright (C) 1999, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#define TEST_MAIN
#include "test-string.h"
typedef int (*proto_t) (const char *, const char *);
int simple_strcmp (const char *, const char *);
IMPL (simple_strcmp, 0)
IMPL (strcmp, 1)
int
simple_strcmp (const char *s1, const char *s2)
{
int ret;
while ((ret = *(unsigned char *) s1 - *(unsigned char *) s2++) == 0
&& *s1++);
return ret;
}
static void
do_one_test (impl_t *impl, const char *s1, const char *s2, int exp_result)
{
int result = CALL (impl, s1, s2);
if ((exp_result == 0 && result != 0)
|| (exp_result < 0 && result >= 0)
|| (exp_result > 0 && result <= 0))
{
error (0, 0, "Wrong result in function %s %d %d", impl->name,
result, exp_result);
ret = 1;
return;
}
if (HP_TIMING_AVAIL)
{
hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
size_t i;
for (i = 0; i < 32; ++i)
{
HP_TIMING_NOW (start);
CALL (impl, s1, s2);
HP_TIMING_NOW (stop);
HP_TIMING_BEST (best_time, start, stop);
}
printf ("\t%zd", (size_t) best_time);
}
}
static void
do_test (size_t align1, size_t align2, size_t len, int max_char,
int exp_result)
{
size_t i;
char *s1, *s2;
if (len == 0)
return;
align1 &= 7;
if (align1 + len + 1 >= page_size)
return;
align2 &= 7;
if (align2 + len + 1 >= page_size)
return;
s1 = buf1 + align1;
s2 = buf2 + align2;
for (i = 0; i < len; i++)
s1[i] = s2[i] = 1 + 23 * i % max_char;
s1[len] = s2[len] = 0;
s1[len + 1] = 23;
s2[len + 1] = 24 + exp_result;
s2[len - 1] -= exp_result;
if (HP_TIMING_AVAIL)
printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s1, s2, exp_result);
if (HP_TIMING_AVAIL)
putchar ('\n');
}
static void
do_random_tests (void)
{
size_t i, j, n, align1, align2, pos, len;
int result, r;
unsigned char *p1 = buf1 + page_size - 512;
unsigned char *p2 = buf2 + page_size - 512;
for (n = 0; n < ITERATIONS; n++)
{
align1 = random () & 31;
if (random () & 1)
align2 = random () & 31;
else
align2 = align1 + (random () & 24);
pos = random () & 511;
j = align1;
if (align2 > j)
j = align2;
if (pos + j >= 511)
pos = 510 - j - (random () & 7);
len = random () & 511;
if (pos >= len)
len = pos + (random () & 7);
if (len + j >= 512)
len = 511 - j - (random () & 7);
j = len + align1 + 64;
if (j > 512) j = 512;
for (i = 0; i < j; ++i)
{
p1[i] = random () & 255;
if (i < len + align1 && !p1[i])
{
p1[i] = random () & 255;
if (!p1[i])
p1[i] = 1 + (random () & 127);
}
}
for (i = 0; i < j; ++i)
{
p2[i] = random () & 255;
if (i < len + align2 && !p2[i])
{
p2[i] = random () & 255;
if (!p2[i])
p2[i] = 1 + (random () & 127);
}
}
result = 0;
memcpy (p2 + align2, p1 + align1, pos);
if (pos >= len)
{
p1[len + align1] = 0;
p2[len + align2] = 0;
}
else
{
if (p2[align2 + pos] == p1[align1 + pos])
{
p2[align2 + pos] = random () & 255;
if (p2[align2 + pos] == p1[align1 + pos])
p2[align2 + pos] = p1[align1 + pos] + 3 + (random () & 127);
}
if (p1[align1 + pos] < p2[align2 + pos])
result = -1;
else
result = 1;
}
FOR_EACH_IMPL (impl, 1)
{
r = CALL (impl, p1 + align1, p2 + align2);
if ((r == 0 && result)
|| (r < 0 && result >= 0)
|| (r > 0 && result <= 0))
{
error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd, %zd) %d != %d, p1 %p p2 %p",
n, impl->name, align1, align2, len, pos, r, result, p1, p2);
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 = 1; i < 16; ++i)
{
do_test (i, i, i, 127, 0);
do_test (i, i, i, 127, 1);
do_test (i, i, i, 127, -1);
}
for (i = 1; i < 10; ++i)
{
do_test (0, 0, 2 << i, 127, 0);
do_test (0, 0, 2 << i, 254, 0);
do_test (0, 0, 2 << i, 127, 1);
do_test (0, 0, 2 << i, 254, 1);
do_test (0, 0, 2 << i, 127, -1);
do_test (0, 0, 2 << i, 254, -1);
}
for (i = 1; i < 8; ++i)
{
do_test (i, 2 * i, 8 << i, 127, 0);
do_test (2 * i, i, 8 << i, 254, 0);
do_test (i, 2 * i, 8 << i, 127, 1);
do_test (2 * i, i, 8 << i, 254, 1);
do_test (i, 2 * i, 8 << i, 127, -1);
do_test (2 * i, i, 8 << i, 254, -1);
}
do_random_tests ();
return ret;
}
#include "../test-skeleton.c"

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/* Test and measure strcpy functions.
Copyright (C) 1999, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef STRCPY_RESULT
# define STRCPY_RESULT(dst, len) dst
# define TEST_MAIN
# include "test-string.h"
char *simple_strcpy (char *, const char *);
IMPL (simple_strcpy, 0)
IMPL (strcpy, 1)
char *
simple_strcpy (char *dst, const char *src)
{
char *ret = dst;
while ((*dst++ = *src++) != '\0');
return ret;
}
#endif
typedef char *(*proto_t) (char *, const char *);
static void
do_one_test (impl_t *impl, char *dst, const char *src,
size_t len __attribute__((unused)))
{
if (CALL (impl, dst, src) != STRCPY_RESULT (dst, len))
{
error (0, 0, "Wrong result in function %s %p %p", impl->name,
CALL (impl, dst, src), STRCPY_RESULT (dst, len));
ret = 1;
return;
}
if (strcmp (dst, src) != 0)
{
error (0, 0, "Wrong result in function %s dst \"%s\" src \"%s\"",
impl->name, dst, src);
ret = 1;
return;
}
if (HP_TIMING_AVAIL)
{
hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
size_t i;
for (i = 0; i < 32; ++i)
{
HP_TIMING_NOW (start);
CALL (impl, dst, src);
HP_TIMING_NOW (stop);
HP_TIMING_BEST (best_time, start, stop);
}
printf ("\t%zd", (size_t) best_time);
}
}
static void
do_test (size_t align1, size_t align2, size_t len, int max_char)
{
size_t i;
char *s1, *s2;
align1 &= 7;
if (align1 + len >= page_size)
return;
align2 &= 7;
if (align2 + len >= page_size)
return;
s1 = buf1 + align1;
s2 = buf2 + align2;
for (i = 0; i < len; i++)
s1[i] = 32 + 23 * i % (max_char - 32);
s1[len] = 0;
if (HP_TIMING_AVAIL)
printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s2, s1, len);
if (HP_TIMING_AVAIL)
putchar ('\n');
}
static void
do_random_tests (void)
{
size_t i, j, n, align1, align2, len;
unsigned char *p1 = buf1 + page_size - 512;
unsigned char *p2 = buf2 + page_size - 512;
unsigned char *res;
for (n = 0; n < ITERATIONS; n++)
{
align1 = random () & 31;
if (random () & 1)
align2 = random () & 31;
else
align2 = align1 + (random () & 24);
len = random () & 511;
j = align1;
if (align2 > j)
j = align2;
if (len + j >= 511)
len = 510 - j - (random () & 7);
j = len + align1 + 64;
if (j > 512)
j = 512;
for (i = 0; i < j; i++)
{
if (i == len + align1)
p1[i] = 0;
else
{
p1[i] = random () & 255;
if (i >= align1 && i < len + align1 && !p1[i])
p1[i] = (random () & 127) + 3;
}
}
FOR_EACH_IMPL (impl, 1)
{
memset (p2 - 64, '\1', 512 + 64);
res = CALL (impl, p2 + align2, p1 + align1);
if (res != STRCPY_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,
STRCPY_RESULT (p2 + align2, len));
ret = 1;
}
for (j = 0; j < align2 + 64; ++j)
{
if (p2[j - 64] != '\1')
{
error (0, 0, "Iteration %zd - garbage before, %s (%zd, %zd, %zd)",
n, impl->name, align1, align2, len);
ret = 1;
break;
}
}
for (j = align2 + len + 1; j < 512; ++j)
{
if (p2[j] != '\1')
{
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 + 1))
{
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 < 16; ++i)
{
do_test (0, 0, i, 127);
do_test (0, 0, i, 255);
do_test (0, i, i, 127);
do_test (i, 0, i, 255);
}
for (i = 1; i < 8; ++i)
{
do_test (0, 0, 8 << i, 127);
do_test (8 - i, 2 * i, 8 << i, 127);
}
for (i = 1; i < 8; ++i)
{
do_test (i, 2 * i, 8 << i, 127);
do_test (2 * i, i, 8 << i, 255);
do_test (i, i, 8 << i, 127);
do_test (i, i, 8 << i, 255);
}
do_random_tests ();
return ret;
}
#include "../test-skeleton.c"

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/* Test and measure strcspn functions.
Copyright (C) 1999, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#define STRPBRK_RESULT(s, pos) (pos)
#define RES_TYPE size_t
#define TEST_MAIN
#include "test-string.h"
typedef size_t (*proto_t) (const char *, const char *);
size_t simple_strcspn (const char *, const char *);
IMPL (simple_strcspn, 0)
IMPL (strcspn, 1)
size_t
simple_strcspn (const char *s, const char *rej)
{
const char *r, *str = s;
char c;
while ((c = *s++) != '\0')
for (r = rej; *r != '\0'; ++r)
if (*r == c)
return s - str - 1;
return s - str - 1;
}
#include "test-strpbrk.c"

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/* Test and measure string and memory functions.
Copyright (C) 1999, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
typedef struct
{
const char *name;
void (*fn) (void);
int test;
} impl_t;
extern impl_t __start_impls[], __stop_impls[];
#define IMPL(name, test) \
impl_t tst_ ## name \
__attribute__ ((section ("impls"))) \
= { #name, (void (*) (void))name, test };
#ifdef TEST_MAIN
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#undef __USE_STRING_INLINES
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <unistd.h>
#include <fcntl.h>
#include <error.h>
#include <errno.h>
#include <time.h>
#define GL(x) _##x
#include <hp-timing.h>
# define TEST_FUNCTION test_main ()
# define TIMEOUT (4 * 60)
# define OPT_ITERATIONS 10000
# define OPT_RANDOM 10001
# define OPT_SEED 10002
unsigned char *buf1, *buf2;
int ret, do_srandom;
unsigned int seed;
size_t page_size;
hp_timing_t _dl_hp_timing_overhead;
# ifndef ITERATIONS
size_t iterations = 100000;
# define ITERATIONS_OPTIONS \
{ "iterations", required_argument, NULL, OPT_ITERATIONS },
# define ITERATIONS_PROCESS \
case OPT_ITERATIONS: \
iterations = strtoul (optarg, NULL, 0); \
break;
# define ITERATIONS iterations
# else
# define ITERATIONS_OPTIONS
# define ITERATIONS_PROCESS
# endif
# define CMDLINE_OPTIONS ITERATIONS_OPTIONS \
{ "random", no_argument, NULL, OPT_RANDOM }, \
{ "seed", required_argument, NULL, OPT_SEED },
# define CMDLINE_PROCESS ITERATIONS_PROCESS \
case OPT_RANDOM: \
{ \
int fdr = open ("/dev/urandom", O_RDONLY); \
\
if (fdr < 0 || read (fdr, &seed, sizeof(seed)) != sizeof (seed)) \
seed = time (NULL); \
if (fdr >= 0) \
close (fdr); \
do_srandom = 1; \
break; \
} \
\
case OPT_SEED: \
seed = strtoul (optarg, NULL, 0); \
do_srandom = 1; \
break;
#define CALL(impl, ...) \
(* (proto_t) (impl)->fn) (__VA_ARGS__)
#define FOR_EACH_IMPL(impl, notall) \
for (impl_t *impl = __start_impls; impl < __stop_impls; ++impl) \
if (!notall || impl->test)
#define HP_TIMING_BEST(best_time, start, end) \
do \
{ \
hp_timing_t tmptime; \
HP_TIMING_DIFF (tmptime, start + _dl_hp_timing_overhead, end); \
if (best_time > tmptime) \
best_time = tmptime; \
} \
while (0)
static void
test_init (void)
{
page_size = 2 * getpagesize ();
#ifdef MIN_PAGE_SIZE
if (page_size < MIN_PAGE_SIZE)
page_size = MIN_PAGE_SIZE;
#endif
buf1 = mmap (0, 2 * page_size, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANON, -1, 0);
if (buf1 == MAP_FAILED)
error (EXIT_FAILURE, errno, "mmap failed");
if (mprotect (buf1 + page_size, page_size, PROT_NONE))
error (EXIT_FAILURE, errno, "mprotect failed");
buf2 = mmap (0, 2 * page_size, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANON, -1, 0);
if (buf2 == MAP_FAILED)
error (EXIT_FAILURE, errno, "mmap failed");
if (mprotect (buf2 + page_size, page_size, PROT_NONE))
error (EXIT_FAILURE, errno, "mprotect failed");
HP_TIMING_DIFF_INIT ();
if (do_srandom)
{
printf ("Setting seed to 0x%x\n", seed);
srandom (seed);
}
}
#endif

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/* Test and measure strlen functions.
Copyright (C) 1999, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#define TEST_MAIN
#include "test-string.h"
typedef size_t (*proto_t) (const char *);
size_t simple_strlen (const char *);
size_t builtin_strlen (const char *);
IMPL (simple_strlen, 0)
IMPL (builtin_strlen, 0)
IMPL (strlen, 1)
size_t
simple_strlen (const char *s)
{
const char *p;
for (p = s; *p; ++p);
return p - s;
}
size_t
builtin_strlen (const char *p)
{
return __builtin_strlen (p);
}
static void
do_one_test (impl_t *impl, const char *s, size_t exp_len)
{
size_t len = CALL (impl, s);
if (len != exp_len)
{
error (0, 0, "Wrong result in function %s %zd %zd", impl->name,
len, exp_len);
ret = 1;
return;
}
if (HP_TIMING_AVAIL)
{
hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
size_t i;
for (i = 0; i < 32; ++i)
{
HP_TIMING_NOW (start);
CALL (impl, s);
HP_TIMING_NOW (stop);
HP_TIMING_BEST (best_time, start, stop);
}
printf ("\t%zd", (size_t) best_time);
}
}
static void
do_test (size_t align, size_t len, int max_char)
{
size_t i;
align &= 7;
if (align + len >= page_size)
return;
for (i = 0; i < len; ++i)
buf1[align + i] = 1 + 7 * i % max_char;
buf1[align + len] = 0;
if (HP_TIMING_AVAIL)
printf ("Length %4zd, alignment %2zd:", len, align);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, buf1 + align, len);
if (HP_TIMING_AVAIL)
putchar ('\n');
}
static void
do_random_tests (void)
{
size_t i, j, n, align, len;
unsigned char *p = buf1 + page_size - 512;
for (n = 0; n < ITERATIONS; n++)
{
align = random () & 15;
len = random () & 511;
if (len + align > 510)
len = 511 - align - (random () & 7);
j = len + align + 64;
if (j > 512)
j = 512;
for (i = 0; i < j; i++)
{
if (i == len + align)
p[i] = 0;
else
{
p[i] = random () & 255;
if (i >= align && i < len + align && !p[i])
p[i] = (random () & 127) + 1;
}
}
FOR_EACH_IMPL (impl, 1)
if (CALL (impl, p + align) != len)
{
error (0, 0, "Iteration %zd - wrong result in function %s (%zd) %zd != %zd, p %p",
n, impl->name, align, CALL (impl, p + align), len, p);
ret = 1;
}
}
}
int
test_main (void)
{
size_t i;
test_init ();
printf ("%20s", "");
FOR_EACH_IMPL (impl, 0)
printf ("\t%s", impl->name);
putchar ('\n');
for (i = 1; i < 8; ++i)
do_test (0, i, 127);
for (i = 1; i < 8; ++i)
do_test (i, i, 127);
for (i = 2; i <= 10; ++i)
{
do_test (0, 1 << i, 127);
do_test (1, 1 << i, 127);
}
for (i = 1; i < 8; ++i)
do_test (0, i, 255);
for (i = 1; i < 8; ++i)
do_test (i, i, 255);
for (i = 2; i <= 10; ++i)
{
do_test (0, 1 << i, 255);
do_test (1, 1 << i, 255);
}
do_random_tests ();
return ret;
}
#include "../test-skeleton.c"

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/* Test and measure strncmp functions.
Copyright (C) 1999, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#define TEST_MAIN
#include "test-string.h"
typedef int (*proto_t) (const char *, const char *, size_t);
int simple_strncmp (const char *, const char *, size_t);
IMPL (simple_strncmp, 0)
IMPL (strncmp, 1)
int
simple_strncmp (const char *s1, const char *s2, size_t n)
{
int ret = 0;
while (n-- && (ret = *(unsigned char *) s1 - * (unsigned char *) s2++) == 0
&& *s1++);
return ret;
}
static void
do_one_test (impl_t *impl, const char *s1, const char *s2, size_t n,
int exp_result)
{
int result = CALL (impl, s1, s2, n);
if ((exp_result == 0 && result != 0)
|| (exp_result < 0 && result >= 0)
|| (exp_result > 0 && result <= 0))
{
error (0, 0, "Wrong result in function %s %d %d", impl->name,
result, exp_result);
ret = 1;
return;
}
if (HP_TIMING_AVAIL)
{
hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
size_t i;
for (i = 0; i < 32; ++i)
{
HP_TIMING_NOW (start);
CALL (impl, s1, s2, n);
HP_TIMING_NOW (stop);
HP_TIMING_BEST (best_time, start, stop);
}
printf ("\t%zd", (size_t) best_time);
}
}
static void
do_test (size_t align1, size_t align2, size_t len, size_t n, int max_char,
int exp_result)
{
size_t i;
char *s1, *s2;
if (n == 0)
return;
align1 &= 7;
if (align1 + n + 1 >= page_size)
return;
align2 &= 7;
if (align2 + n + 1 >= page_size)
return;
s1 = buf1 + align1;
s2 = buf2 + align2;
for (i = 0; i < n; i++)
s1[i] = s2[i] = 1 + 23 * i % max_char;
s1[n] = 24 + exp_result;
s2[n] = 23;
s1[len] = 0;
s2[len] = 0;
if (exp_result < 0)
s2[len] = 32;
else if (exp_result > 0)
s1[len] = 64;
if (len >= n)
s2[n - 1] -= exp_result;
if (HP_TIMING_AVAIL)
printf ("Length %4zd/%4zd, alignment %2zd/%2zd:", len, n, align1, align2);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s1, s2, n, exp_result);
if (HP_TIMING_AVAIL)
putchar ('\n');
}
static void
do_random_tests (void)
{
size_t i, j, n, align1, align2, pos, len, size;
int result, r;
unsigned char *p1 = buf1 + page_size - 512;
unsigned char *p2 = buf2 + page_size - 512;
for (n = 0; n < ITERATIONS; n++)
{
align1 = random () & 31;
if (random () & 1)
align2 = random () & 31;
else
align2 = align1 + (random () & 24);
pos = random () & 511;
size = random () & 511;
j = align1;
if (align2 > j)
j = align2;
if (pos + j >= 511)
pos = 510 - j - (random () & 7);
len = random () & 511;
if (pos >= len)
len = pos + (random () & 7);
if (len + j >= 512)
len = 511 - j - (random () & 7);
j = len + align1 + 64;
if (j > 512) j = 512;
for (i = 0; i < j; ++i)
{
p1[i] = random () & 255;
if (i < len + align1 && !p1[i])
{
p1[i] = random () & 255;
if (!p1[i])
p1[i] = 1 + (random () & 127);
}
}
for (i = 0; i < j; ++i)
{
p2[i] = random () & 255;
if (i < len + align2 && !p2[i])
{
p2[i] = random () & 255;
if (!p2[i])
p2[i] = 1 + (random () & 127);
}
}
result = 0;
memcpy (p2 + align2, p1 + align1, pos);
if (pos >= len)
{
p1[len + align1] = 0;
p2[len + align2] = 0;
}
else
{
if (p2[align2 + pos] == p1[align1 + pos])
{
p2[align2 + pos] = random () & 255;
if (p2[align2 + pos] == p1[align1 + pos])
p2[align2 + pos] = p1[align1 + pos] + 3 + (random () & 127);
}
if (pos < size)
{
if (p1[align1 + pos] < p2[align2 + pos])
result = -1;
else
result = 1;
}
}
FOR_EACH_IMPL (impl, 1)
{
r = CALL (impl, p1 + align1, p2 + align2, size);
if ((r == 0 && result)
|| (r < 0 && result >= 0)
|| (r > 0 && result <= 0))
{
error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd, %zd, %zd) %d != %d, p1 %p p2 %p",
n, impl->name, align1, align2, len, pos, size, r, result, p1, p2);
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 < 16; ++i)
{
do_test (0, 0, 8, i, 127, 0);
do_test (0, 0, 8, i, 127, -1);
do_test (0, 0, 8, i, 127, 1);
do_test (i, i, 8, i, 127, 0);
do_test (i, i, 8, i, 127, 1);
do_test (i, i, 8, i, 127, -1);
do_test (i, 2 * i, 8, i, 127, 0);
do_test (2 * i, i, 8, i, 127, 1);
do_test (i, 3 * i, 8, i, 127, -1);
do_test (0, 0, 8, i, 255, 0);
do_test (0, 0, 8, i, 255, -1);
do_test (0, 0, 8, i, 255, 1);
do_test (i, i, 8, i, 255, 0);
do_test (i, i, 8, i, 255, 1);
do_test (i, i, 8, i, 255, -1);
do_test (i, 2 * i, 8, i, 255, 0);
do_test (2 * i, i, 8, i, 255, 1);
do_test (i, 3 * i, 8, i, 255, -1);
}
for (i = 1; i < 8; ++i)
{
do_test (0, 0, 8 << i, 16 << i, 127, 0);
do_test (0, 0, 8 << i, 16 << i, 127, 1);
do_test (0, 0, 8 << i, 16 << i, 127, -1);
do_test (0, 0, 8 << i, 16 << i, 255, 0);
do_test (0, 0, 8 << i, 16 << i, 255, 1);
do_test (0, 0, 8 << i, 16 << i, 255, -1);
do_test (8 - i, 2 * i, 8 << i, 16 << i, 127, 0);
do_test (8 - i, 2 * i, 8 << i, 16 << i, 127, 1);
do_test (2 * i, i, 8 << i, 16 << i, 255, 0);
do_test (2 * i, i, 8 << i, 16 << i, 255, 1);
}
do_random_tests ();
return ret;
}
#include "../test-skeleton.c"

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/* Test and measure strncpy functions.
Copyright (C) 1999, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef STRNCPY_RESULT
# define STRNCPY_RESULT(dst, len, n) dst
# define TEST_MAIN
# include "test-string.h"
char *simple_strncpy (char *, const char *, size_t);
IMPL (simple_strncpy, 0)
IMPL (strncpy, 1)
char *
simple_strncpy (char *dst, const char *src, size_t n)
{
char *ret = dst;
while (n--)
if ((*dst++ = *src++) == '\0')
{
while (n--)
*dst++ = '\0';
return ret;
}
return ret;
}
#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 n)
{
if (CALL (impl, dst, src, n) != STRNCPY_RESULT (dst, len, n))
{
error (0, 0, "Wrong result in function %s %p %p", impl->name,
CALL (impl, dst, src, n), dst);
ret = 1;
return;
}
if (memcmp (dst, src, len > n ? n : len) != 0)
{
error (0, 0, "Wrong result in function %s", impl->name);
ret = 1;
return;
}
if (n > len)
{
size_t i;
for (i = len; i < n; ++i)
if (dst [i] != '\0')
{
error (0, 0, "Wrong result in function %s", impl->name);
ret = 1;
return;
}
}
if (HP_TIMING_AVAIL)
{
hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
size_t i;
for (i = 0; i < 32; ++i)
{
HP_TIMING_NOW (start);
CALL (impl, dst, src, n);
HP_TIMING_NOW (stop);
HP_TIMING_BEST (best_time, start, stop);
}
printf ("\t%zd", (size_t) best_time);
}
}
static void
do_test (size_t align1, size_t align2, size_t len, size_t n, int max_char)
{
size_t i;
char *s1, *s2;
align1 &= 7;
if (align1 + len >= page_size)
return;
align2 &= 7;
if (align2 + len >= page_size)
return;
s1 = buf1 + align1;
s2 = buf2 + align2;
for (i = 0; i < len; ++i)
s1[i] = 32 + 23 * i % (max_char - 32);
s1[len] = 0;
for (i = len + 1; i + align1 < page_size && i < len + 64; ++i)
s1[i] = 32 + 32 * i % (max_char - 32);
if (HP_TIMING_AVAIL)
printf ("Length %4zd, n %4zd, alignment %2zd/%2zd:", len, n, align1, align2);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s2, s1, len, n);
if (HP_TIMING_AVAIL)
putchar ('\n');
}
static void
do_random_tests (void)
{
size_t i, j, n, align1, align2, len, size;
unsigned char *p1 = buf1 + page_size - 512;
unsigned char *p2 = buf2 + page_size - 512;
unsigned char *res;
for (n = 0; n < ITERATIONS; n++)
{
align1 = random () & 31;
if (random () & 1)
align2 = random () & 31;
else
align2 = align1 + (random () & 24);
len = random () & 511;
j = align1;
if (align2 > j)
j = align2;
if (random () & 1)
{
size = random () & 511;
if (size + align2 > 512)
size = 512 - align2 - (random() & 31);
}
else
size = 512 - align2;
if (len + j >= 511)
len = 510 - j - (random () & 7);
j = len + align1 + 64;
if (j > 512)
j = 512;
for (i = 0; i < j; i++)
{
if (i == len + align1)
p1[i] = 0;
else
{
p1[i] = random () & 255;
if (i >= align1 && i < len + align1 && !p1[i])
p1[i] = (random () & 127) + 3;
}
}
FOR_EACH_IMPL (impl, 1)
{
memset (p2 - 64, '\1', 512 + 64);
res = CALL (impl, p2 + align2, p1 + align1, size);
if (res != STRNCPY_RESULT (p2 + align2, len, size))
{
error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd) %p != %p",
n, impl->name, align1, align2, len, res,
STRNCPY_RESULT (p2 + align2, len, size));
ret = 1;
}
for (j = 0; j < align2 + 64; ++j)
{
if (p2[j - 64] != '\1')
{
error (0, 0, "Iteration %zd - garbage before, %s (%zd, %zd, %zd)",
n, impl->name, align1, align2, len);
ret = 1;
break;
}
}
j = align2 + len + 1;
if (size + align2 > j)
j = size + align2;
for (; j < 512; ++j)
{
if (p2[j] != '\1')
{
error (0, 0, "Iteration %zd - garbage after, %s (%zd, %zd, %zd)",
n, impl->name, align1, align2, len);
ret = 1;
break;
}
}
for (j = align2 + len + 1; j < align2 + size; ++j)
if (p2[j])
{
error (0, 0, "Iteration %zd - garbage after size, %s (%zd, %zd, %zd)",
n, impl->name, align1, align2, len);
ret = 1;
break;
}
j = len + 1;
if (size < j)
j = size;
if (memcmp (p1 + align1, p2 + align2, j))
{
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 ("%28s", "");
FOR_EACH_IMPL (impl, 0)
printf ("\t%s", impl->name);
putchar ('\n');
for (i = 1; i < 8; ++i)
{
do_test (i, i, 16, 16, 127);
do_test (i, i, 16, 16, 255);
do_test (i, 2 * i, 16, 16, 127);
do_test (2 * i, i, 16, 16, 255);
do_test (8 - i, 2 * i, 1 << i, 2 << i, 127);
do_test (2 * i, 8 - i, 2 << i, 1 << i, 127);
do_test (8 - i, 2 * i, 1 << i, 2 << i, 255);
do_test (2 * i, 8 - i, 2 << i, 1 << i, 255);
}
for (i = 1; i < 8; ++i)
{
do_test (0, 0, 4 << i, 8 << i, 127);
do_test (0, 0, 16 << i, 8 << i, 127);
do_test (8 - i, 2 * i, 4 << i, 8 << i, 127);
do_test (8 - i, 2 * i, 16 << i, 8 << i, 127);
}
do_random_tests ();
return ret;
}
#include "../test-skeleton.c"

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/* Test and measure strpbrk functions.
Copyright (C) 1999, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef STRPBRK_RESULT
# define STRPBRK_RESULT(s, pos) ((s)[(pos)] ? (s) + (pos) : NULL)
# define RES_TYPE char *
# define TEST_MAIN
# include "test-string.h"
typedef char *(*proto_t) (const char *, const char *);
char *simple_strpbrk (const char *, const char *);
IMPL (simple_strpbrk, 0)
IMPL (strpbrk, 1)
char *
simple_strpbrk (const char *s, const char *rej)
{
const char *r;
char c;
while ((c = *s++) != '\0')
for (r = rej; *r != '\0'; ++r)
if (*r == c)
return (char *) s - 1;
return NULL;
}
#endif
static void
do_one_test (impl_t *impl, const char *s, const char *rej, RES_TYPE exp_res)
{
RES_TYPE res = CALL (impl, s, rej);
if (res != exp_res)
{
error (0, 0, "Wrong result in function %s %p %p", impl->name,
(void *) res, (void *) exp_res);
ret = 1;
return;
}
if (HP_TIMING_AVAIL)
{
hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
size_t i;
for (i = 0; i < 32; ++i)
{
HP_TIMING_NOW (start);
CALL (impl, s, rej);
HP_TIMING_NOW (stop);
HP_TIMING_BEST (best_time, start, stop);
}
printf ("\t%zd", (size_t) best_time);
}
}
static void
do_test (size_t align, size_t pos, size_t len)
{
size_t i;
int c;
RES_TYPE result;
char *rej, *s;
align &= 7;
if (align + pos >= page_size || len > 240)
return;
rej = buf2 + (random () & 255);
s = buf1 + align;
for (i = 0; i < len; ++i)
{
rej[i] = random () & 255;
if (!rej[i])
rej[i] = random () & 255;
if (!rej[i])
rej[i] = 1 + (random () & 127);
}
rej[len] = '\0';
for (c = 1; c <= 255; ++c)
if (strchr (rej, c) == NULL)
break;
for (i = 0; i < pos; ++i)
{
s[i] = random () & 255;
if (strchr (rej, s[i]))
{
s[i] = random () & 255;
if (strchr (rej, s[i]))
s[i] = c;
}
}
s[pos] = rej[random () % (len + 1)];
result = STRPBRK_RESULT (s, pos);
if (HP_TIMING_AVAIL)
printf ("Length %4zd, alignment %2zd, rej len %2zd:", pos, align, len);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s, rej, result);
if (HP_TIMING_AVAIL)
putchar ('\n');
}
static void
do_random_tests (void)
{
size_t i, j, n, align, pos, len;
RES_TYPE result;
int c;
unsigned char *p = buf1 + page_size - 512;
unsigned char *rej;
for (n = 0; n < ITERATIONS; n++)
{
align = random () & 15;
pos = random () & 511;
if (pos + align >= 511)
pos = 510 - align - (random () & 7);
if (random () & 1)
len = random () & 63;
else
len = random () & 15;
rej = buf2 + page_size - len - 1 - (random () & 7);
for (i = 0; i < len; ++i)
{
rej[i] = random () & 255;
if (!rej[i])
rej[i] = random () & 255;
if (!rej[i])
rej[i] = 1 + (random () & 127);
}
rej[i] = '\0';
for (c = 1; c <= 255; ++c)
if (strchr (rej, c) == NULL)
break;
j = pos + align + 64;
if (j > 512)
j = 512;
for (i = 0; i < j; i++)
{
if (i == pos + align)
p[i] = rej[random () % (len + 1)];
else if (i < align || i > pos + align)
p[i] = random () & 255;
else
{
p[i] = random () & 255;
if (strchr (rej, p[i]))
{
p[i] = random () & 255;
if (strchr (rej, p[i]))
p[i] = c;
}
}
}
result = STRPBRK_RESULT (p + align, pos);
FOR_EACH_IMPL (impl, 1)
if (CALL (impl, p + align, rej) != result)
{
error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %p, %zd, %zd) %p != %p",
n, impl->name, align, rej, len, pos,
(void *) CALL (impl, p + align, rej), (void *) result);
ret = 1;
}
}
}
int
test_main (void)
{
size_t i;
test_init ();
printf ("%32s", "");
FOR_EACH_IMPL (impl, 0)
printf ("\t%s", impl->name);
putchar ('\n');
for (i = 0; i < 32; ++i)
{
do_test (0, 512, i);
do_test (i, 512, i);
}
for (i = 1; i < 8; ++i)
{
do_test (0, 16 << i, 4);
do_test (i, 16 << i, 4);
}
for (i = 1; i < 8; ++i)
do_test (i, 64, 10);
for (i = 0; i < 64; ++i)
do_test (0, i, 6);
do_random_tests ();
return ret;
}
#include "../test-skeleton.c"

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/* Test and measure strrchr functions.
Copyright (C) 1999, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#define TEST_MAIN
#include "test-string.h"
typedef char *(*proto_t) (const char *, int);
char *simple_strrchr (const char *, int);
IMPL (simple_strrchr, 0)
IMPL (strrchr, 1)
char *
simple_strrchr (const char *s, int c)
{
const char *ret = NULL;
for (; *s != '\0'; ++s)
if (*s == (char) c)
ret = s;
return (char *) (c == '\0' ? s : ret);
}
static void
do_one_test (impl_t *impl, const char *s, int c, char *exp_res)
{
char *res = CALL (impl, s, c);
if (res != exp_res)
{
error (0, 0, "Wrong result in function %s %p %p", impl->name,
res, exp_res);
ret = 1;
return;
}
if (HP_TIMING_AVAIL)
{
hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
size_t i;
for (i = 0; i < 32; ++i)
{
HP_TIMING_NOW (start);
CALL (impl, s, c);
HP_TIMING_NOW (stop);
HP_TIMING_BEST (best_time, start, stop);
}
printf ("\t%zd", (size_t) best_time);
}
}
static void
do_test (size_t align, size_t pos, size_t len, int seek_char, int max_char)
{
size_t i;
char *result;
align &= 7;
if (align + len >= page_size)
return;
for (i = 0; i < len; ++i)
{
buf1[align + i] = random () & max_char;
if (!buf1[align + i])
buf1[align + i] = random () & max_char;
if (!buf1[align + i])
buf1[align + i] = 1;
if ((i > pos || pos >= len) && buf1[align + i] == seek_char)
buf1[align + i] = seek_char + 10 + (random () & 15);
}
buf1[align + len] = 0;
if (pos < len)
{
buf1[align + pos] = seek_char;
result = buf1 + align + pos;
}
else if (seek_char == 0)
result = buf1 + align + len;
else
result = NULL;
if (HP_TIMING_AVAIL)
printf ("Length %4zd, alignment %2zd:", pos, align);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, buf1 + align, seek_char, result);
if (HP_TIMING_AVAIL)
putchar ('\n');
}
static void
do_random_tests (void)
{
size_t i, j, n, align, pos, len;
int seek_char;
char *result;
unsigned char *p = buf1 + page_size - 512;
for (n = 0; n < ITERATIONS; n++)
{
align = random () & 15;
pos = random () & 511;
if (pos + align >= 511)
pos = 510 - align - (random () & 7);
len = random () & 511;
if (pos >= len)
len = pos + (random () & 7);
if (len + align >= 512)
len = 511 - align - (random () & 7);
seek_char = random () & 255;
if (seek_char && pos == len)
{
if (pos)
--pos;
else
++len;
}
j = len + align + 64;
if (j > 512)
j = 512;
for (i = 0; i < j; i++)
{
if (i == pos + align)
p[i] = seek_char;
else if (i == len + align)
p[i] = 0;
else
{
p[i] = random () & 255;
if (((i > pos + align && i < len + align) || pos > len)
&& p[i] == seek_char)
p[i] = seek_char + 13;
if (i < len + align && !p[i])
{
p[i] = seek_char - 13;
if (!p[i])
p[i] = 140;
}
}
}
if (pos <= len)
result = p + pos + align;
else if (seek_char == 0)
result = p + len + align;
else
result = NULL;
FOR_EACH_IMPL (impl, 1)
if (CALL (impl, p + align, seek_char) != result)
{
error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %d, %zd, %zd) %p != %p, p %p",
n, impl->name, align, seek_char, len, pos,
CALL (impl, p + align, seek_char), result, p);
ret = 1;
}
}
}
int
test_main (void)
{
size_t i;
test_init ();
printf ("%20s", "");
FOR_EACH_IMPL (impl, 0)
printf ("\t%s", impl->name);
putchar ('\n');
for (i = 1; i < 8; ++i)
{
do_test (0, 16 << i, 2048, 23, 127);
do_test (i, 16 << i, 2048, 23, 127);
}
for (i = 1; i < 8; ++i)
{
do_test (i, 64, 256, 23, 127);
do_test (i, 64, 256, 23, 255);
}
for (i = 0; i < 32; ++i)
{
do_test (0, i, i + 1, 23, 127);
do_test (0, i, i + 1, 23, 255);
}
for (i = 1; i < 8; ++i)
{
do_test (0, 16 << i, 2048, 0, 127);
do_test (i, 16 << i, 2048, 0, 127);
}
for (i = 1; i < 8; ++i)
{
do_test (i, 64, 256, 0, 127);
do_test (i, 64, 256, 0, 255);
}
for (i = 0; i < 32; ++i)
{
do_test (0, i, i + 1, 0, 127);
do_test (0, i, i + 1, 0, 255);
}
do_random_tests ();
return ret;
}
#include "../test-skeleton.c"

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/* Test and measure strspn functions.
Copyright (C) 1999, 2002 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#define TEST_MAIN
#include "test-string.h"
typedef size_t (*proto_t) (const char *, const char *);
size_t simple_strspn (const char *, const char *);
IMPL (simple_strspn, 0)
IMPL (strspn, 1)
size_t
simple_strspn (const char *s, const char *rej)
{
const char *r, *str = s;
char c;
while ((c = *s++) != '\0')
{
for (r = rej; *r != '\0'; ++r)
if (*r == c)
break;
if (*r == '\0')
return s - str - 1;
}
return s - str - 1;
}
static void
do_one_test (impl_t *impl, const char *s, const char *acc, size_t exp_res)
{
size_t res = CALL (impl, s, acc);
if (res != exp_res)
{
error (0, 0, "Wrong result in function %s %p %p", impl->name,
(void *) res, (void *) exp_res);
ret = 1;
return;
}
if (HP_TIMING_AVAIL)
{
hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
size_t i;
for (i = 0; i < 32; ++i)
{
HP_TIMING_NOW (start);
CALL (impl, s, acc);
HP_TIMING_NOW (stop);
HP_TIMING_BEST (best_time, start, stop);
}
printf ("\t%zd", (size_t) best_time);
}
}
static void
do_test (size_t align, size_t pos, size_t len)
{
size_t i;
char *acc, *s;
align &= 7;
if (align + pos >= page_size || len > 240 || ! len)
return;
acc = buf2 + (random () & 255);
s = buf1 + align;
for (i = 0; i < len; ++i)
{
acc[i] = random () & 255;
if (!acc[i])
acc[i] = random () & 255;
if (!acc[i])
acc[i] = 1 + (random () & 127);
}
acc[len] = '\0';
for (i = 0; i < pos; ++i)
s[i] = acc[random () % len];
s[pos] = random () & 255;
if (strchr (acc, s[pos]))
s[pos] = '\0';
if (HP_TIMING_AVAIL)
printf ("Length %4zd, alignment %2zd, acc len %2zd:", pos, align, len);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s, acc, pos);
if (HP_TIMING_AVAIL)
putchar ('\n');
}
static void
do_random_tests (void)
{
size_t i, j, n, align, pos, len;
unsigned char *p = buf1 + page_size - 512;
unsigned char *acc;
for (n = 0; n < ITERATIONS; n++)
{
align = random () & 15;
if (random () & 1)
len = random () & 63;
else
len = random () & 15;
if (!len)
pos = 0;
else
pos = random () & 511;
if (pos + align >= 511)
pos = 510 - align - (random () & 7);
acc = buf2 + page_size - len - 1 - (random () & 7);
for (i = 0; i < len; ++i)
{
acc[i] = random () & 255;
if (!acc[i])
acc[i] = random () & 255;
if (!acc[i])
acc[i] = 1 + (random () & 127);
}
acc[i] = '\0';
j = pos + align + 64;
if (j > 512)
j = 512;
for (i = 0; i < j; i++)
{
if (i == pos + align)
{
if ((random () & 7) == 0)
p[i] = '\0';
else
{
p[i] = random () & 255;
if (strchr (acc, p[i]))
p[i] = '\0';
}
}
else if (i < align || i > pos + align)
p[i] = random () & 255;
else
p[i] = acc [random () % len];
}
FOR_EACH_IMPL (impl, 1)
if (CALL (impl, p + align, acc) != pos)
{
error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %p, %zd) %zd != %zd",
n, impl->name, align, acc, len,
CALL (impl, p + align, acc), pos);
ret = 1;
}
}
}
int
test_main (void)
{
size_t i;
test_init ();
printf ("%32s", "");
FOR_EACH_IMPL (impl, 0)
printf ("\t%s", impl->name);
putchar ('\n');
for (i = 0; i < 32; ++i)
{
do_test (0, 512, i);
do_test (i, 512, i);
}
for (i = 1; i < 8; ++i)
{
do_test (0, 16 << i, 4);
do_test (i, 16 << i, 4);
}
for (i = 1; i < 8; ++i)
do_test (i, 64, 10);
for (i = 0; i < 64; ++i)
do_test (0, i, 6);
do_random_tests ();
return ret;
}
#include "../test-skeleton.c"