static std::pair<pointer, bool>
allocation_command(Allocator &a, allocation_type command,
size_type, size_type preferred_size,
size_type &received_size, const pointer &)
{
std::pair<pointer, bool> ret(pointer(), false);
if(!(command & allocate_new)){
if(!(command & nothrow_allocation)){
throw_logic_error("version 1 allocator without allocate_new flag");
}
}
else{
received_size = preferred_size;
BOOST_TRY{
ret.first = a.allocate(received_size);
}
BOOST_CATCH(...){
if(!(command & nothrow_allocation)){
BOOST_RETHROW
}
}
BOOST_CATCH_END
}
return ret;
}
static pointer allocation_command(Allocator &a, allocation_type command,
size_type, size_type &prefer_in_recvd_out_size, pointer &reuse)
{
pointer ret = pointer();
if(BOOST_UNLIKELY(!(command & allocate_new) && !(command & nothrow_allocation))) {
throw_logic_error("version 1 allocator without allocate_new flag");
}
else {
BOOST_TRY{
ret = a.allocate(prefer_in_recvd_out_size);
}
BOOST_CATCH(...) {
if(!(command & nothrow_allocation)) {
BOOST_RETHROW
}
}
BOOST_CATCH_END
reuse = pointer();
}
return ret;
}
