[fpc-pascal] length for long ansistring = segment fault
Michael Van Canneyt
michael at freepascal.org
Mon Dec 3 12:00:21 CET 2012
On Mon, 3 Dec 2012, Jonas Maebe wrote:
>
> On 03 Dec 2012, at 11:52, Michael Van Canneyt wrote:
>
>> On Mon, 3 Dec 2012, Jonas Maebe wrote:
>>
>>> On 03 Dec 2012, at 11:13, Michael Van Canneyt wrote:
>>>
>>>> You are overwriting the pointer. S is (behind the scenes) a pointer to a
>>>> memory area. You should do FillChar(s[1], 1024, '*');
>>>
>>> Or use http://www.freepascal.org/docs-html/rtl/system/stringofchar.html
>>
>> I was considering answering with that too, but I didn't feel like checking
>> how it is implemented, to judge the speed penalty :)
>
> It definitely doesn't have the "ask the mailing list because I made a
> mistake"-penalty :)
Checked anyway now.
Stringofchar uses fillchar internally, so it's better to use that.
Michael.
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