[vdr] Re: plugins reentrance?

[Rainer Zocholl <UseNet-Posting-Nospam-74308-@zocki.toppoint.de>]

taferner@kde.org(Stefan Taferner)  04.12.04 20:21

Once upon a time "Stefan Taferner " shaped the electrons to say...

>On Saturday 04 December 2004 18:12, Rainer Zocholl wrote:
>> UseNet-Posting-Nospam-74308-@zocki.toppoint.de(Rainer Zocholl)
>> 04.12.04 17:10
>>
>>
>> Corrected version:
>>
>> To avoid such hard to find problems it may be useful
>> to include such macros into vdr.h or similar important inlude
>>
>> #define strtok "please use strtok_r"
>> ...
>>
>>
>> That is intended to give a syntax errors when non _r functions are
>> used.
>> So it's impossible to use that functions witout an "undef"
>> and the programmes gets an instant beat on his fingers.

>It is probably much fun to find why the compiler spits on the
>innocent looking strtok function call. 

Yes <evil grin> ;-))

When he has found was wrong he'll never forget ;-))


>You have to read preprocessor output to find out that 
>somebody fiddled in a define for it, as it won't be obvious.

>IMO a better way would be:

>#define warn_func(x) \
>  #warning "Using non thread safe function call" \
>  printf("%s:%d: replace %s with %s_r here\n",__FILE__,__LINE__,x),x

>#define strtok warn_func(strtok)
>#define localtime warn_func(localtime)
>...

dacore..

looks much better.
Rainer---<=====>                         Vertraulich
             //
           //                              
         <=====>--------------ocholl, Kiel, Germany ------------