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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*============================================================
**
** Source: test.c
**
** Purpose: IsBadWritePtr() function
**
**
**=========================================================*/
#include <palsuite.h>
#define MEMORY_AMOUNT 16
int __cdecl main(int argc, char *argv[]) {
void * TestingPointer = NULL;
BOOL ResultValue = 0;
/*
* Initialize the PAL and return FAILURE if this fails
*/
if(0 != (PAL_Initialize(argc, argv)))
{
return FAIL;
}
TestingPointer = malloc(MEMORY_AMOUNT);
if ( TestingPointer == NULL )
{
Fail("ERROR: Failed to allocate memory for TestingPointer pointer. "
"Can't properly exec test case without this.\n");
}
/* This should be writeable, return 0 */
ResultValue = IsBadWritePtr(TestingPointer,MEMORY_AMOUNT);
if(ResultValue != 0)
{
free(TestingPointer);
Fail("ERROR: Returned %d when 0 should have been returned, checking "
"to see if writable memory is unwriteable.\n",ResultValue);
}
free(TestingPointer);
/* This should be !writeable, return nonezero */
TestingPointer = (void*)0x08; /* non writeable address */
ResultValue = IsBadWritePtr(TestingPointer,sizeof(int));
if(ResultValue == 0)
{
Fail("ERROR: Returned %d when nonezero should have been returned, "
"checking to see if unwriteable memory is writeable.\n",
ResultValue);
}
/* This should be !writeable, return Nonezero */
ResultValue = IsBadWritePtr(NULL,MEMORY_AMOUNT);
if(ResultValue == 0)
{
Fail("ERROR: Returned %d when nonezero should have been "
"returned,checking "
"to see if a NULL pointer is writeable.\n",
ResultValue);
}
PAL_Terminate();
return PASS;
}
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