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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: test1.c
**
** Purpose: Uses realloc to allocate and realloate memory, checking
** that memory contents are copied when the memory is reallocated.
**
**
**==========================================================================*/
#include <palsuite.h>
int __cdecl main(int argc, char **argv)
{
char *testA;
const int len1 = 10;
const char str1[] = "aaaaaaaaaa";
const int len2 = 20;
const char str2[] = "bbbbbbbbbbbbbbbbbbbb";
if (PAL_Initialize(argc, argv))
{
return FAIL;
}
/* this should work like malloc */
testA = (char *)realloc(NULL, len1*sizeof(char));
memcpy(testA, str1, len1);
if (testA == NULL)
{
Fail("We ran out of memory (unlikely), or realloc is broken.\n");
}
if (memcmp(testA, str1, len1) != 0)
{
Fail("realloc doesn't properly allocate new memory.\n");
}
testA = (char *)realloc(testA, len2*sizeof(char));
if (memcmp(testA, str1, len1) != 0)
{
Fail("realloc doesn't move the contents of the original memory "
"block to the newly allocated block.\n");
}
memcpy(testA, str2, len2);
if (memcmp(testA, str2, len2) != 0)
{
Fail("Couldn't write to memory allocated by realloc.\n");
}
/* free the buffer */
testA = realloc(testA, 0);
if (testA != NULL)
{
Fail("Realloc didn't return NULL when called with a length "
"of zero.\n");
}
PAL_Terminate();
return PASS;
}
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