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nethack won't run on MIPS running BSD4.3

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Flemming Kraglund

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Nov 18, 1990, 7:32:34 PM11/18/90

nn8...@tut.fi (Niilo Neuvo) writes in rec.games.hack:

>I have been hackin this for the last twelve hours and I'm starting to
>get a little bit tired.

>Okay I got v3b9, unpacked, edited, compiled, installed... But after
>selecting my class I get a segmentation fault:
>Segmentation fault [dosdoor:567 ,0x448d74]
> for( ; broom->hx >= 0; broom++) broom->fdoor++;

>(dbx) print broom->hx
>cannot read address 0x10059000 for process 15197
[cut]
>Any help greatly appreciated.

I had the same problem on a mips computer.

The problem is that your compiler defaults to unsigned chars and in the
file tradstdc.h at the end, signed gets defined to nothing, so

for( ; broom->hx >= 0; broom++) broom->fdoor++;
^^^^^^^^^^^^^^
is allways true (and possible gets removed by the optimizer) and you get
a 'walking' pointer (broom).

the remedi (sp) is to add the following in the bottom of tradstdc.h

#undef signed

#endif /* TRADSTDC.H */ last line in file, allready there

The absolute best thing to do if you know of a uniq symbol your preprossor
defines, is to use:
#ifdef mips /* in my situation, substitute mips with your cpp's define */
# undef signed
#endif

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