diff options
Diffstat (limited to 'parse-options.h')
| -rw-r--r-- | parse-options.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/parse-options.h b/parse-options.h index e22846d3b7..685fccac13 100644 --- a/parse-options.h +++ b/parse-options.h @@ -85,6 +85,11 @@ typedef enum parse_opt_result parse_opt_ll_cb(struct parse_opt_ctx_t *ctx, * token to explain the kind of argument this option wants. Does not * begin in capital letter, and does not end with a full stop. * Should be wrapped by N_() for translation. + * Is automatically enclosed in brackets when printed, unless it + * contains any of the following characters: ()<>[]| + * E.g. "name" is shown as "<name>" to indicate that a name value + * needs to be supplied, not the literal string "name", but + * "<start>,<end>" and "(this|that)" are printed verbatim. * * `help`:: * the short help associated to what the option does. @@ -225,6 +230,32 @@ NORETURN void usage_msg_opt(const char *msg, const char * const *usagestr, const struct option *options); +/** + * usage_msg_optf() is like usage_msg_opt() except that the first + * argument is a format string, and optional format arguments follow + * after the 3rd option. + */ +__attribute__((format (printf,1,4))) +void NORETURN usage_msg_optf(const char *fmt, + const char * const *usagestr, + const struct option *options, ...); + +void die_for_incompatible_opt4(int opt1, const char *opt1_name, + int opt2, const char *opt2_name, + int opt3, const char *opt3_name, + int opt4, const char *opt4_name); + + +static inline void die_for_incompatible_opt3(int opt1, const char *opt1_name, + int opt2, const char *opt2_name, + int opt3, const char *opt3_name) +{ + die_for_incompatible_opt4(opt1, opt1_name, + opt2, opt2_name, + opt3, opt3_name, + 0, ""); +} + /* * Use these assertions for callbacks that expect to be called with NONEG and * NOARG respectively, and do not otherwise handle the "unset" and "arg" |