Re: [lwip-users] bug report

[Martin Velek]

Thank you for username.
It looks like to be correct.

I think that the most portable are thouse defined in cc.h. Anyway I am
trying to be consistent with
http://lwip.wikia.com/wiki/Porting_for_an_OS but it is quite hard if
the core is not.

Martin


On 7 March 2010 10:03, address@hidden <address@hidden> wrote:
> Martin Velek wrote:
>>
>> The problem is not a standard(C89) compiler, the problem is the
>> standard sprintf function. As you know the embedded system is limited
>> in source and full sprintf uses a lot of stack and ROM code. For this
>> reasons, there are many simple replacement of sprintf but of course
>> with a limited functionality, e.g. only %s, %u, %c, %d...
>>
>> The question is: Why is in the rest of code used standard data types
>> defined in cc.h and just here, there is one harcoded?
>>
>> The second question: Why I am reporting this behavior twice a year
>> with the same questions and answers?  ;-)
>>
>
> Because we haven't got a common standard which printf-formatters are really
> portable and which aren't. And nearly no compiler warns about unportable
> printf-formatters when adding them to the code :-(
>
> I've added a bug tracker entry on this so that it doesn't get forgotten.
> BTW: a search for "Martin Velek" on savannah leads to the username
> "allew"...
>
> Simon
>
>
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