create.c

Unix 环境下用C语言实现的内存数据库。

#include "MemDataBase.h"
#include "demo.h"
int main(int argc,char **argv)
{
    MEMDATABASE *pMemDB;
    DEMO_DEF stuDemo;
    int iRet,iIpcKey;
    long lMaxRecords;
    if(argc!=4)
    {
        printf("Usage:%s TableName Ipckey MaxRecords\n",argv[0]);
        exit(0);
    }
    iIpcKey = atoi(argv[2]);
    lMaxRecords = atol(argv[3]);
    iRet = CreateMemDB(&pMemDB,argv[1],iIpcKey,lMaxRecords,sizeof(DEMO_DEF));
    if(iRet!=T_SUCCESS)
    {
        printf("CreateMemDB Error[%d]\n",iRet);
        exit(1);
    }
    SetKeyMemDB(pMemDB,DEMO_DEF,id);
    printf("IPCKEY   =   %d\n",pMemDB->iIpcKey);
    printf("SHM_ID   =   %d\n",pMemDB->iShmId);
    printf("SEM_ID   =   %d\n",pMemDB->iSemId);
}