############################# # # Optional policy handling # ############################## # # Determine if we should use the default # tunable value as specified by the policy # or if the override value should be used # ############################## # # Extract booleans out of an expression. # This needs to be reworked so expressions # with parentheses can work. ############################## # # Tunable declaration # ############################## # # Tunable policy handling # ######################################## # # Helper macros # # # shiftn(num,list...) # # shift the list num times # # # ifndef(expr,true_block,false_block) # # m4 does not have this. # # # __endline__ # # dummy macro to insert a newline. used for # errprint, so the close parentheses can be # indented correctly. # ######################################## # #