safety: null checks
Ola Fosheim Grostad
ola.fosheim.grostad at gmail.com
Tue Nov 24 00:08:57 UTC 2020
On Monday, 23 November 2020 at 20:00:29 UTC, Patrick Schluter
> On Monday, 23 November 2020 at 12:39:05 UTC, Ola Fosheim
> Grøstad wrote:
>> A trap is an interrupt at the hardware level. It has nothing
>> to do with C.
> Read the C standard, they explain what a trap representation
> is. It has nothing to do with an interrupt. I refer to the C
> standard because they make the difference between allowed
> pointer values and unallowed values even if never dereferenced.
When I intoduced the word "trap" in this discussion I used the
traditional hardware terminology as used in Motorola 68K
reference manuals. Has nothing to do with C whatsoever.
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