mem.h

关于图的深度搜索的C语言代码实现

#ifndef MEM_INCLUDED
#define MEM_INCLUDED
#include "except.h"

extern const Except_T Mem_Failed;

extern void *Mem_alloc(long nbytes, const char *file, int line);

extern void *Mem_calloc(long count, long nbytes, const char *file, int
                line);

extern void Mem_free(void *ptr, const char *file, int line);

extern void *Mem_resize(void *ptr, long nbytes, const char *file, int
                line);

#define ALLOC(nbytes) \
        Mem_alloc((nbytes), __FILE__, __LINE__)

#define CALLOC(count, nbytes) \
        Mem_calloc((count), (nbytes), __FILE__, __LINE__)

#define NEW(p) ((p) = ALLOC((long)sizeof *(p)))

#define NEW0(p) ((p) = CALLOC(1, (long)sizeof *(p)))

#define FREE(ptr) ((void)(Mem_free((ptr), \
        __FILE__, __LINE__), (ptr) = 0))

#define RESIZE(ptr, nbytes) 	((ptr) = Mem_resize((ptr), \
        (nbytes), __FILE__, __LINE__))

#endif