An Ubiquitous C bug

[Kevin D. Quitt]

In article <s64421.664559119 at zeus> s64421 at zeus.usq.EDU.AU (house ron) writes:
>kdq at demott.com (Kevin D. Quitt) writes:
>
>>In article <s64421.664471332 at zeus> s64421 at zeus.usq.EDU.AU (house ron) writes:
>>>Here's a bug which exists in every single DOS C compiler I can find,
>...
>>    Apparently you haven't tried Microsoft C 6.0?  Which ones have you tried?
>
>I tried Quick C, TopSpeed C and Watcom C (a real loser).  Remember
>that any particular program might work, without guaranteeing that the
>bug is absent.  To be sure, look at the value of NULL pointers, and, if
>it is zero, look at a program map to verify that a non-function is
>necessarily present at the start of the default code segment.  Is this
>the case with MSC6?

    I find start-up code at zero, and with a few simple trials was not
able to get one of my (or the library's) functions loaded at zero.  Maybe
if I were more persistent...


-- 
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Kevin D. Quitt         demott!kdq   kdq at demott.com
DeMott Electronics Co. 14707 Keswick St.   Van Nuys, CA 91405-1266
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