diff options
Diffstat (limited to 'parse-options.h')
| -rw-r--r-- | parse-options.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/parse-options.h b/parse-options.h index 7d83e29..74cce4e 100644 --- a/parse-options.h +++ b/parse-options.h @@ -222,6 +222,17 @@ const char *optname(const struct option *opt, int flags); BUG("option callback does not expect an argument"); \ } while (0) +/* + * Similar to the assertions above, but checks that "arg" is always non-NULL. + * This assertion also implies BUG_ON_OPT_NEG(), letting you declare both + * assertions in a single line. + */ +#define BUG_ON_OPT_NEG_NOARG(unset, arg) do { \ + BUG_ON_OPT_NEG(unset); \ + if(!(arg)) \ + BUG("option callback expects an argument"); \ +} while(0) + /*----- incremental advanced APIs -----*/ enum parse_opt_result { |