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From: bds@lzaz.ATT.COM (Bruce Szablak)
Newsgroups: comp.lang.scheme
Subject: Re: on the portability of SIOD
Message-ID: <1059@lzaz.ATT.COM>
Date: 17 Aug 90 14:11:06 GMT
References: <9008170327.AA21454@mailhost.samsung.com>
Organization: AT&T BL Middletown/Lincroft NJ USA
Lines: 17

In article <9008170327.AA21454@mailhost.samsung.com> gjc@mitech.com writes:
>I agree that I get sloppy with respect to sizeof(int) != sizeof(long).
>
>But a port of SIOD to a machine where sizeof(int) = 2 and sizeof(long) = 4
>was done: The Macintosh under lightspeed C version 4.0
>
>(This version is also available on BU.EDU in users/gjc/siod-v2*-hqx or *mac*)
>

Interesting. Linting the original code I see that it uses the difference
between two pointers to calculate the size of the heap. Many C compilers
return an int when pointers are subtracted from each other. This limits the
size of the heap to what can be fit into an int. If sizeof(int) = 2 you
are pretty limited. Another portability problem is that many names are not
unique to seven characters.
the
the difference of t