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variables scope

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Join Date: Jun 2008

Posts: 159

Reputation: cam875 is an unknown quantity at this point

Solved Threads: 3

cam875

Online

Junior Poster

variables scope

Jan 1st, 2009

how do i make it so that functions and procedures that are located in other files in the include statement have access to the global variables within main.cpp, thanks in advance.

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Join Date: Jul 2008

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Reputation: ArkM has much to be proud of

Solved Threads: 343

ArkM

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Re: variables scope

Jan 1st, 2009

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Originally Posted by cam875

how do i make it so that functions and procedures that are located in other files in the include statement have access to the global variables within main.cpp, thanks in advance.

As usually:
main.cpp:

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...
bool troublesWanted = true;
bool IlikeBadDesign = true;
...
int main()
{ ... }
void Nil() {}
...
bool troublesWanted = true;
bool IlikeBadDesign = true;
...
int main()
{ ... }
void Nil() {}

globals.h:

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#ifndef GLOBALS_H
#define GLOBALS_H
extern bool troublesWanted;
extern bool IlikeBadDesign;
void Nil();
#endif
#ifndef GLOBALS_H
#define GLOBALS_H
extern bool troublesWanted;
extern bool IlikeBadDesign;
void Nil();
#endif

another.cpp:

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...
#include "globals.h"
void Void()
{
    if (!troublesWanted)
        IlikeBadDesign = false;
    else
        Nil();
}
...
#include "globals.h"
void Void()
{
    if (!troublesWanted)
        IlikeBadDesign = false;
    else
        Nil();
}