Talk About Network

Google


Register and Login
Nick
Password
Register create new account Sign up is FREE and you can post replies, new topics, bookmark posts and more!
Recover lost password


Programming > C++ > Re: sharing var...
Latest [ Topics | Posts ] Archive Post A New Topic Post a Reply
<< Topic < Post Post 7 of 7 Topic 45771 of 47017
Post > Topic >>

Re: sharing variables across mulitple files

by Cynic <nik.n.nair@[EMAIL PROTECTED] > May 6, 2008 at 07:26 PM

On May 6, 5:50 pm, "Jim Langston" <tazmas...@[EMAIL PROTECTED]
> wrote:
> Pete Becker wrote:
> > On 2008-05-06 06:26:32 -0400, "awhan.i...@[EMAIL PROTECTED]
"
> > <awhan.i...@[EMAIL PROTECTED]
> said:
>
> >> On May 6, 3:07 pm, "Jim Langston" <tazmas...@[EMAIL PROTECTED]
> wrote:
>
> >>> extern is the way you do it normally, other than passing the
> >>> variables as parameters.
>
> >>> --
> >>> Jim Langston
> >>> tazmas...@[EMAIL PROTECTED]
>
> >> thanks for the reply. yes i should have also mentioned that i did not
> >> want to pass the variables all the time. the reason i am looking for
> >> alternate ways is after learning that memory for global variables is
> >> reserved in the heap
>
> > Not usually. They go in the same memory area as static data.
>
> >>  and a lot of global variables can create problems
> >> for a program.
>
> > Well, as far as memory usage, maybe. But more im****tant is that they
> > introduce sneak paths for data modification, which can make program
> > analysis and maintenance harder. Sometimes sharing is unavoidable, of
> > course.
>
> I have one project where I am forces to use global variables because of
the
> engine I am using having multiple callbbacks and it's impossible for me
to
> pass the data.  One thing I did was I put all the global variables in a
> structure and have just one instance of the structure.  I'm not sure if
it
> simplifies anything, but it helps.
>
> --
> Jim Langston
> tazmas...@[EMAIL PROTECTED]
 structure idea is actually novel. how about if u just include the
prog that has the variables defined in them, and call a function from
the new one to the old one?
will that work?
 




 7 Posts in Topic:
sharing variables across mulitple files
"awhan.iitk@[EMAIL P  2008-05-06 02:58:33 
Re: sharing variables across mulitple files
"Jim Langston"   2008-05-06 03:07:00 
Re: sharing variables across mulitple files
"awhan.iitk@[EMAIL P  2008-05-06 03:26:32 
Re: sharing variables across mulitple files
Pete Becker <pete@[EMA  2008-05-06 07:00:45 
Re: sharing variables across mulitple files
"Jim Langston"   2008-05-06 05:50:14 
Re: sharing variables across mulitple files
dizzy <dizzy@[EMAIL PR  2008-05-07 11:39:30 
Re: sharing variables across mulitple files
Cynic <nik.n.nair@[EMA  2008-05-06 19:26:22 

Post A Reply:
  Go here to Signup

AddThis Feed Button


About - Advertising - Contact - Frequently Asked Questions - Privacy Policy - Terms of Use - Signup

Contact
tan12V112 Thu Jul 24 16:01:01 CDT 2008.