http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52817
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-04-01
12:37:00 UTC ---
(In reply to comment #0)
> void Wsafile::readdata(int NumFiles, va_list args) {
> long * RWop;
> printf("readdata 2 called \n");
> RWop = va_arg(args,long *);
> printf ("%x ( should be 0x12345678) %d (should be 1) \n",(unsigned
> int)RWop,NumFiles); // should print 0x12345678
This line is probably the problem, unsigned int is too small to hold a pointer
value, so the value is not preserved.
Stop using unsafe casts between incompatible types.
