DaniWeb Forum Index > Software Development > C++

very short code question plz help

Please support our C++ advertiser: Intel Parallel Studio Home

•

Join Date: May 2008

Posts: 16

Reputation: GigaCorp is an unknown quantity at this point

Solved Threads: 0

GigaCorp

Offline

Newbie Poster

very short code question plz help

May 10th, 2008

int patientstomemory(patientstruct (*patientstructpointer)[maxpatients])
{
patientstruct patientstruct1[maxpatients];
patientstruct1= (*patientstructpointer);

1>c:\documents and settings\patrick\my documents\hgkbklhb\hgkbklhb\hgkbklhb.cpp(88) : error C2106: '=' : left operand must be l-value

whats wrong? very important, working on semester project due monday

•

Join Date: Dec 2005

Posts: 5,850

Reputation: Salem has a reputation beyond repute

Solved Threads: 751

Salem

Offline

Void main'ers are DOOMed

Re: very short code question plz help

May 10th, 2008

You can't assign a whole array, you need to copy it one entry at a time.

•

Join Date: Mar 2008

Posts: 678

Reputation: Sky Diploma is a splendid one to behold

Solved Threads: 101

Sky Diploma Sky Diploma is offline

Offline

Practically a Master Poster

Re: very short code question plz help

May 10th, 2008

The Right hand value over here in

Help with Code Tags

C++ Syntax (Toggle Plain Text)

patientstruct1= (*patientstructpointer);

Is an error because a the stucture is taking in values from a pointer, which is not allowed.
An example program is written below so that it may help you in solving your problem

 Help with Code Tags 
 C++ Syntax (Toggle Plain Text) 
#include <iostream>
 
using namespace std;
 
int main()
{
    struct sky{
           char a;
           int b;
           };
 
        sky art;//Object
        sky *start;
 
        art.a='s';
        art.b=9;
 
 
        *start=art;//Pointer is pointing to art which is legal.
 
        sky mart;
 
        //*start=mart; // This is illegal in c++ and produces the error.
 
 
     //Therefore pass values in this way
 
        mart.a=start->a;
        mart.b=start->b;
 
 
        cout<< mart.a<<"\n\a"<<mart.b<<"\a";
        cin.get();
        return 0;
}
#include <iostream>

using namespace std;

int main()
{
    struct sky{
           char a;
           int b;
           };
                      
        sky art;//Object
        sky *start;
        
        art.a='s';
        art.b=9;
        
        
        *start=art;//Pointer is pointing to art which is legal.
        
        sky mart;
        
        //*start=mart; // This is illegal in c++ and produces the error.
       

     //Therefore pass values in this way
       
        mart.a=start->a;
        mart.b=start->b;
        
        
        cout<< mart.a<<"\n\a"<<mart.b<<"\a";
        cin.get();
        return 0;
}