On 04/03/13 09:05, Ian MacArthur wrote:
>> void mycallback(widget* w, void* v) {
>> eop e = (eop) (atoi((char*)v));
>
> What is it you are trying to do here?
Probably trying to sidestep the 'precision loss' error from the
newer compilers due to sizeof(void*) != sizeof(int).
Using a char* is sizeof() compatible with a void*.
This was kinda covered last year in STR #2813:
http://www.fltk.org/str.php?L2813
> We might need to see your code.
> Just tested with gcc 4.7.2 and that works fine...
Might be a 32bit compile?
I get the precision loss error when I build that example on 4.4.6 with
a 64bit box:
$ make foo2
Compiling foo2.cxx...
foo2.cxx: In function 'void cb_item1(Fl_Menu_*, void*)':
foo2.cxx:15: error: cast from 'void*' to 'int' loses precision
make: *** [foo2.o] Error 1
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