Re: [GD-General] Variables scope

[Jorrit T. <Jor...@uz...>]

CAVEY GERARD wrote:

>Hi there
>
>Few days ago i switched to Visual c++ 6.0 and this is what i discovered.
>The compiler accept the following C++ code :
>
>//first loop
>	for(unsigned long b=0;b<MeshesArray[current].VerticesCount;b++)
>		{
>		...//processing
>		}
>//second loop 
>		for( b=0;b<not_used*3;b++)
>		{
>		...
>		}
>
>But i thiink i should write the second FOR like this "for(unsigned long
>b=0;b<not_used*3;b++)" (i mean i should redeclare 'b' because it came out of
>scope)
>When i tried the compiler answered me "error redefinition ..." !!!
>Did i forget to set an option ;it is a bit strange isn t it?
>
>Greetings 
>GC 
>  
>

The best way to avoid this bug in VC 6 is to put 'unsigned long b' 
before the first
loop like this:

    unsigned long b;
    for (b = 0 ; ...)
    ...
    for (b = 0 ; ...)

We had the same problem in Crystal Space.

Greetings,