| slovo | definícia |
firewall code
(foldoc) | firewall code
Code designed to limit adverse effects of bugs
or bad input.
The term may also refer to user interface design intended to
steer the user away from potentially harmful actions, e.g.
burying the function to delete your account at the bottom of
the "Advanced" options.
Another example is a sanity check inserted to catch a {can't
happen} error. When fixing a bug, you might also insert
firewall code which would have prevented the bug from doing
any damage, in case something similar ever happens.
[Jargon File]
(2020-06-25)
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firewall code
(jargon) | firewall code
n.
1. The code you put in a system (say, a telephone switch) to make sure that
the users can't do any damage. Since users always want to be able to do
everything but never want to suffer for any mistakes, the construction of a
firewall is a question not only of defensive coding but also of interface
presentation, so that users don't even get curious about those corners of a
system where they can burn themselves.
2. Any sanity check inserted to catch a can't happen error. Wise
programmers often change code to fix a bug twice: once to fix the bug, and
once to insert a firewall which would have arrested the bug before it did
quite as much damage.
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