Re: [lwip-users] bug report

[address@hidden]

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