55 lines
1.2 KiB
C++
55 lines
1.2 KiB
C++
#ifndef _BASE_ALLOCATOR_H_
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#define _BASE_ALLOCATOR_H_
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/************************************************************************
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* 内存分配器的基类，其他分配器可继承其接口，实现不同的内存分配算法
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*
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*
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/************************************************************************/
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#include "memory_counter.hpp"
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class BaseAllocator : public AllocatorCounterItem
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{
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public:
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#ifndef _MEMORY_TRACE_
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virtual void* AllocBuff(size_t count)
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#else
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#define AllocBuff(count_) _AllocBuff(count_,__FILE__, __LINE__)
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#define FreeBuff(ptr) _FreeBuff(ptr, __FILE__, __LINE__)
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virtual void* _AllocBuff(size_t count,const char* lpFile, int nLine)
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#endif
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{
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void* result = malloc(count);
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#ifdef _MEMORY_TRACE_
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if (result != NULL)
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{
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used_count_ += count;
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}
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#endif
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return result;
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}
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#ifndef _MEMORY_TRACE_
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virtual void FreeBuff(void* ptr)
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#else
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virtual void _FreeBuff(void* ptr,const char* lpFile, int nLine)
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#endif
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{
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if (ptr) free(ptr);
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}
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BaseAllocator(const char* namestr) : AllocatorCounterItem(namestr)
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{
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}
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virtual ~BaseAllocator()
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{
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}
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//public:
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//#ifdef _MEMORY_TRACE_
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// virtual int Log(char* buf, int num){ return sprintf(buf,"alloc total:%d,used:%d",alloc_total_,used_count); }
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//#endif
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};
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#endif //end _BASE_ALLOCATOR_H_
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