Re: [boost] using of circular_buffer

Subject: Re: [boost] using of circular_buffer
From: news.gmane.org (q3wolfi_at_[hidden])
Date: 2012-03-28 19:11:16

thank you! i'll consider to have a more look into the c++ language and 
throwing my questions in comp.lang.c++
on the other hand i have to admit that i have confused serveral times 
myself, which is, just another problem ^^

Am 3/28/2012 9:48 PM, schrieb Stewart, Robert:
> news.gmane.org wrote:
>>
>> when debugging, i got some errors. do i use the circurlar
>> buffer wrong?
>
> These posts are not on topic.  You're hitting many basic C++ errors and this list is not the place to learn the language.  Refer to http://www.boost.org/community/policy.html for details.
>
>> void ConsoleText::FormatOutput()
>> {
>>      outPutText = "";
>>      for (int i = 0; i<  textBuffer->buffer.size(); i++)
>>      {
>>          outPutText += textBuffer->buffer.front();
>>          outPutText += "\n";
>>      }
>> }
>
> In this case, you're never advancing through textBuffer->buffer's elements but rather calling front() repeatedly.  You need to call pop_front() to move to the next element.  I have no idea what outPutText is, but it may be misbehaving when you make it too large.
>
>> on this call:
>> textBuffer->buffer.push_front(message);
>>
>> i'll get a segmantion fault, which is an indicator of that
>> textBuffer wasn't instantiated well.
>
> For that to segfault, I suspect your memory is trashed.  Is textBuffer still a valid pointer in that case?  Have you actually used a debugger?
>
> Please consider posting to comp.lang.c++.moderated or somewhere else to work on such problems.
>
>
> _____
> Rob Stewart                           robert.stewart_at_[hidden]
> Software Engineer                     using std::disclaimer;
> Dev Tools&  Components
> Susquehanna International Group, LLP  http://www.sig.com
>
>
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