Re: maximing/resizing multiple x11: change of palette

[Daniel J S. <dan...@ie...>]

And when the plot structure memory is freed, must first test whether the 
palette pointer is valid and if so free that as well.

Dan


Daniel J Sebald wrote:

> Dave,
>
> If you want to look into this one, let me know.  (Otherwise I can do 
> it one of these evenings.)  I can picture in my mind how to do it.  A 
> palette pointer needs to be placed in the plot array.  There is going 
> to be some alloc() and realloc() for that pointer and the palette when 
> it is changed, or in things like prepare_plot().  The one careful 
> detail is immediately upon creating the memory for the plot structure 
> itself as part of the linked-list of plots, be sure to set the pointer 
> for the palette to 0 (!!! much emphasis).  That could also be done in 
> prepare_plot() but I advise putting it at the spot where memory is 
> created, because doing it in prepare_plot() leaves open the door for 
> someone to inadvertently call prepare_plot() and mash a valid palette 
> pointer, creating a memory leak.
>
> Dan