[ros-dev] Uninitialized static variable in function

[Ged Murphy]

You'll learn in due course that college lecturers are often wrong.


2011/3/20 Javier Agustìn Fernàndez Arroyo <elhoir at gmail.com>:
> teachers at college told us it is a must to initialize variables.....
>
> On Sun, Mar 20, 2011 at 10:53 AM, Dmitry Gorbachev <d.g.gorbachev at gmail.com>
> wrote:
>>
>> Hi,
>>
>> > please, initialize "i" to 0. Non-initialized variable store garbage,
>> > not zeroes.
>>
>> It probably does not look very well, but otherwise correct:
>>
>> > If an object that has static storage duration is not initialized
>> > explicitly, then:
>> > — if it has pointer type, it is initialized to a null pointer;
>> > — if it has arithmetic type, it is initialized to (positive or unsigned)
>> > zero;
>> > — if it is an aggregate, every member is initialized (recursively)
>> > according to these rules;
>> > — if it is a union, the first named member is initialized (recursively)
>> > according to these rules.
>>
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