70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
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/** (c) Nullsoft, Inc. C O N F I D E N T I A L
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** Filename:
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** Project:
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** Description:
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** Author:
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** Created:
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**/
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#include "main.h"
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#include "MemoryManager.h"
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#include "api.h"
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#include <api/syscb/callbacks/syscb.h>
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#include <api/syscb/callbacks/sysmemcb.h>
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void *MemoryManager::Malloc(size_t size)
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{
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if (size <= 0) return NULL;
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void *ret = calloc(size, 1);
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if (ret != NULL)
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WASABI_API_SYSCB->syscb_issueCallback(SysCallback::SYSMEM, SysMemCallback::ONMALLOC, (intptr_t)ret, size);
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return ret;
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}
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void MemoryManager::Free(void *ptr)
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{
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if (ptr != NULL)
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WASABI_API_SYSCB->syscb_issueCallback(SysCallback::SYSMEM, SysMemCallback::ONFREE, (intptr_t)ptr);
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free(ptr);
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}
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void *MemoryManager::Realloc(void *ptr, size_t newsize)
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{
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void *ptrs[2] = {ptr, 0};
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void *new_memory = realloc(ptr, newsize);
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if (new_memory)
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ptrs[1] = new_memory;
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else
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{
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new_memory = calloc(newsize, 1);
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if (new_memory)
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{
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memcpy(new_memory, ptr, _msize(ptr));
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ptrs[1] = new_memory;
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}
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}
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if (!(ptrs[0] == NULL && ptrs[1] == NULL))
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WASABI_API_SYSCB->syscb_issueCallback(SysCallback::SYSMEM, SysMemCallback::ONREALLOC, (intptr_t)ptrs, newsize);
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return new_memory;
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}
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void MemoryManager::MemChanged(void *ptr)
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{
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if (ptr == NULL) return ;
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WASABI_API_SYSCB->syscb_issueCallback(SysCallback::SYSMEM, SysMemCallback::ONCHANGE, (intptr_t)ptr);
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}
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#ifdef CBCLASS
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#undef CBCLASS
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#endif
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#define CBCLASS MemoryManager
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START_DISPATCH;
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CB(API_MEMMGR_SYSMALLOC, Malloc);
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VCB(API_MEMMGR_SYSFREE, Free);
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CB(API_MEMMGR_SYSREALLOC, Realloc);
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VCB(API_MEMMGR_SYSMEMCHANGED, MemChanged);
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END_DISPATCH;
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