diff options
Diffstat (limited to 'parse-options.h')
| -rw-r--r-- | parse-options.h | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/parse-options.h b/parse-options.h index f0f885c67d..f295a2cf85 100644 --- a/parse-options.h +++ b/parse-options.h @@ -36,6 +36,7 @@ enum parse_opt_option_flags { PARSE_OPT_LASTARG_DEFAULT = 16, PARSE_OPT_NODASH = 32, PARSE_OPT_LITERAL_ARGHELP = 64, + PARSE_OPT_NEGHELP = 128, }; struct option; @@ -67,16 +68,22 @@ typedef int parse_opt_cb(const struct option *, const char *arg, int unset); * `flags`:: * mask of parse_opt_option_flags. * PARSE_OPT_OPTARG: says that the argument is optional (not for BOOLEANs) - * PARSE_OPT_NOARG: says that this option takes no argument, for CALLBACKs + * PARSE_OPT_NOARG: says that this option takes no argument * PARSE_OPT_NONEG: says that this option cannot be negated * PARSE_OPT_HIDDEN: this option is skipped in the default usage, and * shown only in the full usage. - * PARSE_OPT_LASTARG_DEFAULT: if no argument is given, the default value - * is used. + * PARSE_OPT_LASTARG_DEFAULT: says that this option will take the default + * value if no argument is given when the option + * is last on the command line. If the option is + * not last it will require an argument. + * Should not be used with PARSE_OPT_OPTARG. * PARSE_OPT_NODASH: this option doesn't start with a dash. * PARSE_OPT_LITERAL_ARGHELP: says that argh shouldn't be enclosed in brackets * (i.e. '<argh>') in the help message. * Useful for options with multiple parameters. + * PARSE_OPT_NEGHELP: says that the long option should always be shown with + * the --no prefix in the usage message. Sometimes + * useful for users of OPTION_NEGBIT. * * `callback`:: * pointer to the callback to use for OPTION_CALLBACK. @@ -101,14 +108,20 @@ struct option { }; #define OPT_END() { OPTION_END } -#define OPT_ARGUMENT(l, h) { OPTION_ARGUMENT, 0, (l), NULL, NULL, (h) } +#define OPT_ARGUMENT(l, h) { OPTION_ARGUMENT, 0, (l), NULL, NULL, \ + (h), PARSE_OPT_NOARG} #define OPT_GROUP(h) { OPTION_GROUP, 0, NULL, NULL, NULL, (h) } -#define OPT_BIT(s, l, v, h, b) { OPTION_BIT, (s), (l), (v), NULL, (h), 0, NULL, (b) } -#define OPT_NEGBIT(s, l, v, h, b) { OPTION_NEGBIT, (s), (l), (v), NULL, (h), 0, NULL, (b) } -#define OPT_BOOLEAN(s, l, v, h) { OPTION_BOOLEAN, (s), (l), (v), NULL, (h) } -#define OPT_SET_INT(s, l, v, h, i) { OPTION_SET_INT, (s), (l), (v), NULL, (h), 0, NULL, (i) } -#define OPT_SET_PTR(s, l, v, h, p) { OPTION_SET_PTR, (s), (l), (v), NULL, (h), 0, NULL, (p) } -#define OPT_INTEGER(s, l, v, h) { OPTION_INTEGER, (s), (l), (v), NULL, (h) } +#define OPT_BIT(s, l, v, h, b) { OPTION_BIT, (s), (l), (v), NULL, (h), \ + PARSE_OPT_NOARG, NULL, (b) } +#define OPT_NEGBIT(s, l, v, h, b) { OPTION_NEGBIT, (s), (l), (v), NULL, \ + (h), PARSE_OPT_NOARG, NULL, (b) } +#define OPT_BOOLEAN(s, l, v, h) { OPTION_BOOLEAN, (s), (l), (v), NULL, \ + (h), PARSE_OPT_NOARG } +#define OPT_SET_INT(s, l, v, h, i) { OPTION_SET_INT, (s), (l), (v), NULL, \ + (h), PARSE_OPT_NOARG, NULL, (i) } +#define OPT_SET_PTR(s, l, v, h, p) { OPTION_SET_PTR, (s), (l), (v), NULL, \ + (h), PARSE_OPT_NOARG, NULL, (p) } +#define OPT_INTEGER(s, l, v, h) { OPTION_INTEGER, (s), (l), (v), "n", (h) } #define OPT_STRING(s, l, v, a, h) { OPTION_STRING, (s), (l), (v), (a), (h) } #define OPT_DATE(s, l, v, h) \ { OPTION_CALLBACK, (s), (l), (v), "time",(h), 0, \ |