mal_box.h

一个内存数据库的源代码这是服务器端还有客户端

#ifndef _MAL_BOX_H
#define _MAL_BOX_H
#include "mal_stack.h"
#include "mal_instruction.h"

/*#define DEBUG_MAL_BOX */

typedef struct BOX {
	MT_Lock lock;		/* provide exclusive access */
	str name;
	MalBlkPtr sym;
	MalStkPtr val;
	int dirty;		/* don't save if it hasn't been changed */
} *Box, BoxRecord;

mal_export Box newBox(str name);
mal_export Box findBox(str name);
mal_export Box openBox(str name);
mal_export int closeBox(str name, int flag);
mal_export void destroyBox(str name);
mal_export str boxFileName(Box box, str extension);
mal_export int saveBox(Box box, int flag);
mal_export void loadBox(str nme);
mal_export int releaseAllBox(Box box);

mal_export int depositBox(Box box, str name, ValPtr val);
mal_export void insertToBox(Box box, str name, str val);
mal_export int takeBox(Box box, str name, ValPtr val, int tpe);
mal_export int bindBAT(Box box, str name, str location);
mal_export int releaseBox(Box box, str name);
mal_export int discardBox(Box box, str name);
mal_export str getBoxName(Box box, lng i);
mal_export str getBoxNames(int *bid);
mal_export str toString(Box box, lng i);
mal_export int nextBoxElement(Box box, lng *cursor, ValPtr v);

mal_export stream *prepareSaveBox(Box box, str *boxfile, str *boxfilebak);
mal_export void printSomeBox(stream *fd, int k);
mal_export void printBox(stream *fd, Box obj);
mal_export void freeBoxes(void);
#endif /* _MAL_BOX_H */