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Re: gEDA-user: pcb crooked traces
Andrew Poelstra <asp11@xxxxxx> writes:
> ... To the best of my knowledge, gcc uses a 32-bit long
> even on 64-bit systems, to maintain compatibility with old code.
> This was true last I checked, a year or two ago.
main(){printf("%lx\n",(long)(-1));}
yields
ffffffffffffffff
with
gcc (Debian 4.4.4-13) 4.4.5 20100902 (prerelease)
in aggreement with
> On a 64 bit systems, pointers are going to be 64 bits -- after all,
> that is why you are going to 64 bits. The C spec says "longs shall be
> big enough to hold a pointer" so that you can cast pointers and longs,
> and can union pointers and longs.
--
Stephan
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