C / C++ / MFC

#pragma data_seg("Share")
BOOL existed = FALSE;
#pragma data_seg()
#pragma comment(linker, "/section:Share,rws")

CreateFileMapping

DavidCrow wrote:

Is sName a global or member variable?

manoharbalu wrote:

Now I want the sim1->IV to exactly point to sim2->RIV

struct test1
{
float *IV;
...

sim1 = new test1();
sim2 = new test2();
sim1->IV = &sim2->RIV[0];

manoharbalu wrote:

Now I want the sim1->IV to exactly point to sim2->RIV

and sim1->NENTH to exactly point to sim2->RNENTH.

struct test1
{
float * IV;
//...
float * NENTH;
//...
};
//...

test1 *sim1;
test2 *sim2;
 
sim2 = new test2();
sim1 = new test1();
sim1->IV = sim2->RIV;
sim1->NENTH = sim2->RNENTH;

struct testsub
{
    float IV [300];
    float NENTH [600];
};

struct test1
{
    // constructor:
    test1(float* iv, float* nenth)
      : IV(iv), NENTH(nenth)    // this initializes the pointer variables
    {
    }

    float* IV;
    char FAIL [200];
    char FD [600];
    float* NENTH;
    float NKVAL [30][600];
    float NLEVEL [600];
    int COUNT;
    int CTIME;
    };

struct test2
{
    // constructor:
    test2(float* iv, float* nenth)
      : RIV(iv), RNENTH(nenth)    // this initializes the pointer variables
    {
    }

    float* RIV;
    float RXX [100];
    char RFAIL [200];
    char RFD [600];
    float RTB [50];
    float* RNENTH;
    char GCD [200];
    float RNKVAL [30][600];
    char MTBD [600];
    float RNLEVEL [600];
    int RCOUNT;
    int RCTIME;
};


void foo()
{
    // allocate objects
    struct testsub * sub = new testsub();
    struct test1 *sim1 = new test1(sub->IV, sub->NENTH);
    struct test2 *sim2 = new test2(sub->IV, sub->NENTH);

    // now do some stuff
    // ...

    // now release memory
    delete sim2;
    delete sim1;
    delete sub;
}