Re: [AD] ISO C forbids conversion of function pointer to object pointer type

[Peter Wang <tjaden@xxxxxxxxxx>]

Tatu Portin wrote:

> Date: 23:30, 20. January 2005
> Allegro version:  4.1.18
> Environment: DJGPP 2.03
> Compiler: GCC 3.4.3
> Compiler options: -Wall -pedantic
>
> Problem:
> Compiling example extimer.c with line:
>
> gcc -Wall -pedantic extimer.c -o extimer.exe
>
> gives following warnings:
>
> extimer.c:31: warning: ISO C does not allow extra `;' outside of a 
> function
> extimer.c:41: warning: ISO C does not allow extra `;' outside of a 
> function
> extimer.c:51: warning: ISO C does not allow extra `;' outside of a 
> function


Thanks.  I've fixed these as well as some other warnings and errors in 
the examples which show up with gcc -ansi -pedantic.

> extimer.c: In function `main':
> extimer.c:98: warning: ISO C forbids conversion of function pointer to 
> object pointer type
> extimer.c:99: warning: ISO C forbids conversion of function pointer to 
> object pointer type
> extimer.c:100: warning: ISO C forbids conversion of function pointer 
> to object pointer type
>
> Specially, "ISO C forbids conversion of function pointer to object 
> pointer type" warnings
> have reproduced in newest versions of gcc. Warnings were not 
> reproducible with gcc 3.3.1.


Not sure what to do about this.  The (void *) cast could be changed to 
(intptr_t), but I'm not sure that's right.

Peter