/**

 * WinPR: Windows Portable Runtime

 * Memory Allocation

 *

 * Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#include <winpr/config.h>

#include <winpr/crt.h>

/* Memory Allocation: http://msdn.microsoft.com/en-us/library/hk1k7x6x.aspx */

/* Memory Management Functions: http://msdn.microsoft.com/en-us/library/windows/desktop/aa366781/ */

#ifndef _WIN32

PVOID SecureZeroMemory(PVOID ptr, size_t cnt)

{

  volatile BYTE* p = ptr;

  while (cnt--)

  {

    *p = 0;

    p++;

  }

  return ptr;

}

#endif

void winpr_zfree(char* str)

{

  if (str)

  {

    char* cur = str;

    while (*cur != '\0')

      *cur++ = '\0';

  }

  free(str);

}

void winpr_znfree(void* data, size_t len)

{

  WINPR_ASSERT(data || (len == 0));

  if (data)

    memset(data, 0, len);

  free(data);

}