On Mon, Sep 26, 2022 at 06:18:42PM -0500, Gustavo A. R. Silva wrote: > Zero-length arrays are deprecated and we are moving towards adopting > C99 flexible-array members, instead. So, replace zero-length arrays > declarations in anonymous union with the new __DECLARE_FLEX_ARRAY() > helper macro. > > This helper allows for flexible-array members in unions. > > Link: https://github.com/KSPP/linux/issues/193 > Link: https://github.com/KSPP/linux/issues/227 > Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html > Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx> Some day after the __element_count__ attribute exists, we might want to consider a __type_select__ attribute to tie union members to a variable outside the union (like the "type" member here). Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> -- Kees Cook
