void
qsort_b(void *base, size_t nel, size_t width,
DECLARE_BLOCK(int, compar, const void *, const void *))
{
qsort_r(base, nel, width, compar,
(int (*)(void *, const void *, const void *))
GET_BLOCK_FUNCTION(compar));
}
static int
fts_compar_b(void *thunk, const void *a, const void *b)
{
FTS *sp = (FTS *)thunk;
int (*funcp)(const void *, const void *);
funcp = (int (*)(const void *, const void *))
GET_BLOCK_FUNCTION(sp->fts_compar_b);
return (*funcp)(a, b);
}
/**
* Register a block to be performed at exit.
*/
int
atexit_b(atexit_block func)
{
struct atexit_fn fn;
int error;
if (_Block_copy == 0) {
errno = ENOSYS;
return -1;
}
func = _Block_copy(func);
// Blocks are not C++ destructors, but they have the same signature (a
// single void* parameter), so we can pretend that they are.
fn.fn_type = ATEXIT_FN_CXA;
fn.fn_ptr.cxa_func = (void(*)(void*))GET_BLOCK_FUNCTION(func);
fn.fn_arg = func;
fn.fn_dso = NULL;
error = atexit_register(&fn);
return (error);
}
