On Wed, 2013-02-06 at 13:08 -0800, Roland McGrath wrote:
Unconditional use of (older) GCC extensions in elfutils code is fine.
For those playing along at home, I had to admit I didn't know about the
Statement-Exprs extension:
http://gcc.gnu.org/onlinedocs/gcc/Statement-Exprs.html
It is awesome!
#define DWARF_TAG_OR_RETURN(die) \
({ Dwarf_Die *_die = (die); \
if (_die == NULL) return -1; \
dwarf_tag (_die); })
That is indeed way nicer. I used it instead.
Thanks,
Mark