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67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS DNS Shared Library
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* FILE: lib/dnslib/memory.c
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* PURPOSE: DNS Memory Manager Implementation and Heap.
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*/
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/* INCLUDES ******************************************************************/
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#include "precomp.h"
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/* DATA **********************************************************************/
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typedef PVOID
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(WINAPI *PDNS_ALLOC_FUNCTION)(IN SIZE_T Size);
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typedef VOID
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(WINAPI *PDNS_FREE_FUNCTION)(IN PVOID Buffer);
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PDNS_ALLOC_FUNCTION pDnsAllocFunction;
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PDNS_FREE_FUNCTION pDnsFreeFunction;
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/* FUNCTIONS *****************************************************************/
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VOID
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WINAPI
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Dns_Free(IN PVOID Address)
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{
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/* Check if whoever imported us specified a special free function */
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if (pDnsFreeFunction)
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{
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/* Use it */
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pDnsFreeFunction(Address);
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}
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else
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{
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/* Use our own */
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LocalFree(Address);
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}
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}
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PVOID
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WINAPI
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Dns_AllocZero(IN SIZE_T Size)
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{
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PVOID Buffer;
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/* Check if whoever imported us specified a special allocation function */
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if (pDnsAllocFunction)
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{
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/* Use it to allocate the memory */
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Buffer = pDnsAllocFunction(Size);
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if (Buffer)
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{
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/* Zero it out */
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RtlZeroMemory(Buffer, Size);
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}
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}
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else
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{
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/* Use our default */
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Buffer = LocalAlloc(LMEM_ZEROINIT, Size);
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}
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/* Return the allocate pointer */
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return Buffer;
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}
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