pbm.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_PBM
#define _MAL_PBM

#include <mal.h>
#include <mal_client.h>
#include <mal_interpreter.h>

#ifdef WIN32
#ifndef LIBPBM
#define pbm_export extern __declspec(dllimport)
#else
#define pbm_export extern __declspec(dllexport)
#endif
#else
#define pbm_export extern
#endif

typedef struct {
	str grp;		/* group name */
	str elm;		/* element name */
	bat bid;		/* element bat identifier */
	int type;		/* to ease filling the types */


	ValRecord hmin;		/* lowest head value stored */
	ValRecord hmax;		/* largest head value */

	int next;		/* next one in the PBAT list */
	int prev;		/* previous one in the PBAT list */
} PBATrecord, *PBAT;

pbm_export PBAT partitions ;
pbm_export int ptop, plimit;


pbm_export void PBMresize(int size);
pbm_export str PBMdump(void);
pbm_export str PBMprelude(int *ret);
pbm_export str PBMepilogue(int *ret);
pbm_export str PBMopen(int *ret);
pbm_export str PBMclose(int *ret);
pbm_export str PBMdestroy(int *ret);
pbm_export str PBMtakePBAT(int *ret, str *grp);
pbm_export str PBMtake(int *ret, str *grp, str *elm);
pbm_export str PBMtakeIndexed(int *ret, str *grp, int *bid);
pbm_export str PBMgetComponents(int *ret, str *grp);
pbm_export str PBMgetAllComponents(int *ret);
pbm_export int PBMfindGrp(int bid);
pbm_export int PBMfindPBAT(str grp);
pbm_export int PBMfindPBATcomponent(str grp, str elm);
pbm_export str PBMdeposit(int *ret, str *grp, str *elm, int *bid);
pbm_export str PBMdepositIndexed(int *ret, str *grp, int *idx);
pbm_export str PBMdepositByName(int *ret, str *grp, str *elm, str *nme);
pbm_export str PBMgetRange(oid *first, oid *last, int *bid);
pbm_export str PBMgetLast(int *ret, str *grp);
pbm_export str PBMdiscard(int *ret, str *grp);
pbm_export str PBMdiscardAll(int *ret);
pbm_export str PBMreleaseAll(int *ret, int *bid);
pbm_export str PBMdiscardComponent(int *ret, str *grp, int *bid);
pbm_export str PBMnewIteratorBase(int *ret, str *grp, str *elm);
pbm_export str PBMnewIterator(int *res, str *grp);
pbm_export str PBMnewIteratorRng(int *res, str *grp, oid *first, oid *last);
pbm_export str PBMgetNextElement(int *res, str *grp );
pbm_export str PBMgetNextElementRng(int *res, str *grp, oid *first, oid *last);
pbm_export str PBMcompress(int *ret, str *grp);
pbm_export str PBMgetNextName(int *ret, str *nme, str *elm);
pbm_export str PBMgetNames(int *ret);
pbm_export str PBMdummy(int *ret, str *grp);
#endif