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From: kcline@optelnow.net (Kevin Cline)
Newsgroups: comp.lang.ada
Subject: Re: memory leakages with Ada?
Date: 15 Mar 2002 09:25:16 -0800
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"Steve Doiel" <nospam_steved94@attbi.com> wrote in message news:<oMdk8.35751$702.15618@sccrnsc02>...
> "Calvin Ow" <calvow@cyberway.com.sg> wrote in message
> news:3c90af1e@news.starhub.net.sg...
> > Hi,
> > Has Ada got any memory leakage problems like that of C?
> > Especially with the use of Pragma calls to C?
> >
> 
> I'll assume you read the other replies to your post.
> 
> I would like to add that there are many cases in Ada where you don't need to
> use dynamic allocation when you would have to use dynamic allocation in C.
> 
> For example, if you want to read a block of data that is preceded by a count
> that gives the amount of data, in Ada the code would be something like:
> 
>   nbBytes := GetNbBytes( dataSource );
>   declare
>     dataBuffer : ByteBuffer( 1 .. nbBytes );
>   begin
>      GetData( dataBuffer );
>   end;
> 
> Where in C the code would look something like:
> 
>   nbBytes = GetNbBytes( dataSource );
>   dataPtr = (char *)calloc( nbBytes );
>   GetData( dataPtr );
>   free( dataPtr );

No problem in C++ though:

    nbBytes = GetNbBytes( dataSource );
    std::vector<char> data(nbBytes);
    GetData( data );