c_cpp 标准的内存释放方法

Posted 2021-05-14

#ifndef SAMPLE_MEM_DELETE
#define SAMPLE_MEM_DELETE(ptr) \
    do \
    { \
        if ((ptr)) \
        { \
            delete (ptr); \
            ptr = HI_NULL; \
        } \
    } while (0)
#endif

#ifndef SAMPLE_MEM_DELETE_ARRAY
#define SAMPLE_MEM_DELETE_ARRAY(p)\
    do{\
        if(p){\
            delete [](p);\
            (p) = HI_NULL;\
        }\
    } while (0)
#endif

#ifndef SAMPLE_FREE
#define SAMPLE_FREE(ptr) \
    do \
    { \
        if ((ptr)) \
        { \
            free(ptr); \
            (ptr) = HI_NULL; \
        } \
    } while (0)
#endif