glibc/string/test-strcpy.c
Roland McGrath 0317eaecb1 * posix/tst-execle1.c (do_test): Add a const.
* posix/tst-execle2.c (do_test): Likewise.

	* posix/transbug.c (run_test): Add some casts.
	* posix/bug-regex22.c (main): Likewise.
	* posix/bug-regex5.c (main): Likewise.
	* wcsmbs/tst-mbsrtowcs.c (main): Likewise.
	* string/test-strspn.c (do_test, do_random_tests): Likewise.
	* string/test-strrchr.c (do_test, do_random_tests): Likewise.
	* string/test-strlen.c (do_random_tests): Likewise.
	* string/test-strpbrk.c (do_test, do_random_tests): Likewise.
	* string/test-strcmp.c (do_random_tests): Likewise.
	* string/test-strchr.c (do_test, do_random_tests): Likewise.
	* string/test-strcat.c (do_test, do_random_tests): Likewise.
	* string/test-strncpy.c (do_random_tests): Likewise.
	* string/test-strcpy.c (do_test, do_random_tests): Likewise.
	* string/test-memccpy.c (do_test): Likewise.
	* string/test-memmove.c (do_test, do_random_tests): Likewise.
	* string/test-memcpy.c (do_test, do_random_tests): Likewise.
	* string/test-memcmp.c (do_test, do_random_tests): Likewise.
	* string/test-memchr.c (do_test, do_random_tests): Likewise.
	* dlfcn/bug-atexit1.c (do_test): Fix up prototype in cast.
	* stdio-common/tst-fgets.c (do_test): Add a cast.
	* iconvdata/bug-iconv4.c (xiconv): Add a cast.

	* locale/programs/simple-hash.c (insert_entry_2): Remove useless casts.

	* resolv/herror.c (herror): Remove unused extern decl.

	* libio/obprintf.c: Include "strfile.h".

	* elf/order2mod2.c (init): Cast ignored value to void.

	* stdio-common/tstdiomisc.c: If FLT_EVAL_METHOD is 2, use long
2005-12-27 22:50:12 +00:00

229 lines
5.3 KiB
C

/* Test and measure strcpy functions.
Copyright (C) 1999, 2002, 2003, 2005 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 __attribute ((unused));
hp_timing_t stop __attribute ((unused));;
hp_timing_t 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 = (char *) (buf1 + align1);
s2 = (char *) (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 = (unsigned char *) CALL (impl, (char *) (p2 + align2),
(char *) (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"