diff options
| -rw-r--r-- | libbb/getopt_ulflags.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/libbb/getopt_ulflags.c b/libbb/getopt_ulflags.c index 86cf45325..b6a35261d 100644 --- a/libbb/getopt_ulflags.c +++ b/libbb/getopt_ulflags.c @@ -80,13 +80,20 @@ static const struct option bb_default_long_options[] }; bb_applet_long_options = applet_long_options; - The first parameter is the long option that you would pass to - the applet (--verbose) in place of the short option (-v). The - second field determines whether the option has an argument. + The first parameter is the long option name that you would pass + to the applet (without the dashes). + + The second field determines whether the option has an argument. You can set this to 0, 1, or 2, or you can use the long named defines of no_argument, required_argument, and optional_argument. - Just set the third argument to '0' or 'NULL'. The last argument - is simply the short option without the dash of course. + + The third argument is used only when the long option does not + have a corresponding short option. In that case, it should be + an integer pointer. Otherwise (and normally), it should just + bet set to NULL. + + The last argument is the corresponding short option (if there + is one of course). Note: a good applet will make long options configurable via the config process and not a required feature. The current standard |