CryptoPkg: Clean-up CRT Library Wrapper.

[mirror_edk2.git] / CryptoPkg / Library / BaseCryptLib / SysCall / BaseMemAllocation.c

/** @file\r
  Base Memory Allocation Routines Wrapper for Crypto library over OpenSSL\r
  during PEI & DXE phases.\r
\r
Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution.  The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#include <CrtLibSupport.h>\r
#include <Library/MemoryAllocationLib.h>\r
\r
//\r
// -- Memory-Allocation Routines --\r
//\r
\r
/* Allocates memory blocks */\r
void *malloc (size_t size)\r
{\r
  return AllocatePool ((UINTN) size);\r
}\r
\r
/* Reallocate memory blocks */\r
void *realloc (void *ptr, size_t size)\r
{\r
  //\r
  // BUG: hardcode OldSize == size! We have no any knowledge about\r
  // memory size of original pointer ptr.\r
  //\r
  return ReallocatePool ((UINTN) size, (UINTN) size, ptr);\r
}\r
\r
/* De-allocates or frees a memory block */\r
void free (void *ptr)\r
{\r
  //\r
  // In Standard C, free() handles a null pointer argument transparently. This\r
  // is not true of FreePool() below, so protect it.\r
  //\r
  if (ptr != NULL) {\r
    FreePool (ptr);\r
  }\r
}\r