Re: First stage of Quesa changes now complete

[Lane R. <la...@if...>]

on Mon, Jan 24, 2005 Roger Holmes may have said:

>For my remaining 'slack' time I would like your opinions on the 
>possible use of C++ memory
>allocation and construction facilities. On Macintosh I think that using 
>statements like:
>
>  E3ClassInfo* theInfo = new E3ClassInfo ;
>
>E3ClassInfo* theClass = (E3ClassInfo*) Q3Memory_AllocateClear ( sizeof 
>( E3ClassInfo ) ) ;
>
>are (except for the zeroing of the block of memory) equivalent as they 
>both end up calling
>malloc to actually reserve the memory. Am I correct, and what is the 
>situation on the other
>platforms?

Actually, after a bit of thought I do not believe these are the same:

new - get a chunk of memory via some unknown allocator.

AllocateClear - get a chunk of memory via a known allocator, and CLEAR it
(ie, memset(p,0,size) of similar), plus whatever mem debugging may be
going on.



Lane Roathe
President          Ideas From the Deep        <http://www.ifd.com>
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