mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-26 20:51:11 +00:00
41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
109 lines
2.9 KiB
C
109 lines
2.9 KiB
C
/* Copyright (C) 1990, 1991, 1992, 1997 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Torbjorn Granlund (tege@sics.se).
|
|
|
|
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. */
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <malloc.h>
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
char *mem, *memp;
|
|
char *rand_mem;
|
|
char *lo_around, *hi_around;
|
|
int size, max_size;
|
|
int src_off, dst_off;
|
|
int i;
|
|
int space_around = 10;
|
|
|
|
max_size = 256;
|
|
|
|
mem = malloc (max_size + 2 * max_size + 2 * space_around);
|
|
rand_mem = malloc (max_size);
|
|
lo_around = malloc (space_around);
|
|
hi_around = malloc (space_around);
|
|
memp = mem + space_around;
|
|
|
|
/* Fill RAND_MEM with random bytes, each non-zero. */
|
|
for (i = 0; i < max_size; i++)
|
|
{
|
|
int x;
|
|
do
|
|
x = random ();
|
|
while (x == 0);
|
|
rand_mem[i] = x;
|
|
}
|
|
|
|
for (size = 0; size < max_size; size++)
|
|
{
|
|
printf("phase %d\n", size);
|
|
for (src_off = 0; src_off <= 16; src_off++)
|
|
{
|
|
for (dst_off = 0; dst_off <= 16; dst_off++)
|
|
{
|
|
/* Put zero around the intended destination, to check
|
|
that it's not clobbered. */
|
|
for (i = 1; i < space_around; i++)
|
|
{
|
|
memp[dst_off - i] = 0;
|
|
memp[dst_off + size - 1 + i] = 0;
|
|
}
|
|
|
|
/* Fill the source area with known contents. */
|
|
for (i = 0; i < size; i++)
|
|
memp[src_off + i] = rand_mem[i];
|
|
|
|
/* Remember the contents around the destination area.
|
|
(It might not be what we wrote some lines above, since
|
|
the src area and the dst area overlap.) */
|
|
for (i = 1; i < space_around; i++)
|
|
{
|
|
lo_around[i] = memp[dst_off - i];
|
|
hi_around[i] = memp[dst_off + size - 1 + i];
|
|
}
|
|
|
|
memmove (memp + dst_off, memp + src_off, size);
|
|
|
|
/* Check that the destination area has the same
|
|
contents we wrote to the source area. */
|
|
for (i = 0; i < size; i++)
|
|
{
|
|
if (memp[dst_off + i] != rand_mem[i])
|
|
abort ();
|
|
}
|
|
|
|
/* Check that the area around the destination is not
|
|
clobbered. */
|
|
for (i = 1; i < space_around; i++)
|
|
{
|
|
if (memp[dst_off - i] != lo_around[i])
|
|
abort ();
|
|
if (memp[dst_off + size - 1 + i] != hi_around[i])
|
|
abort ();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
puts ("Test succeeded.");
|
|
|
|
return 0;
|
|
}
|