Re: lynx-dev lynx's image size reduction

[Vlad Harchev]

On Mon, 15 Mar 1999 address@hidden wrote:

> >   Here is a recipe how the lynx image size can be reduced: 
> >   Several arrays can be substituted with pointers, which should be 
> > initialized by malloc at initialization. Here are sizes of arrays that can 
> > be eliminated this way ( for lynx-2.8.2dev19 compiled by GCC 2.7.2.3 on  
> > i386-linux-gnu without lss support, no options to 'configure' ) 
> >   LYMain.c: sizeof(links) = 49152 
> >   LYMain.c: sizeof(history) = 40960 
> >  
> >  Ie ~90K can be eliminated. Moreover, compiling with lss support, adds the 
> >  following arrays to the mentioned above: 
> >   LYStyle.c: sizeof(hashStyles)=196632 
> >   GridText.c: sizeof(cached_styles)=32768 
> >  
> >  This means that 319512 bytes can be eliminated from  lynx compiled with 
> >  lss support. Frankly speaking, cached_styles in GridText.c is a 2d array, 
> >  so the trick that is applicable to 1d arrays won't work, but it's only 
> >  32K. 
> 
> not really. those arrays are still allocated (and uninitialized data don't
> make the executable file larger).

  Frankly speaking I don't know whether uninitialized data don't make the
executable file larger or not for such OSes as DOS or Windows. 

> allocating the arrays is ok for other reasons (making the program more
> configurable).
>   
> >  Best regards, 
> >   -Vlad 
> 
> 
> -- 
> Thomas E. Dickey
> address@hidden
> http://www.clark.net/pub/dickey
> 

 Best regards, 
 -Vlad