destroy bug 679, use getopt_ulflags with new feature: usage option. Removed two strdup

git-svn-id: svn://busybox.net/trunk/busybox@13797 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 10 insertions, 0 deletions

diff --git a/libbb/getopt_ulflags.c b/libbb/getopt_ulflags.c
index f18ee2d2d..3e77bbfea 100644
--- a/libbb/getopt_ulflags.c
+++ b/libbb/getopt_ulflags.c
@@ -182,6 +182,10 @@ Special characters:
  "-N"   A dash as the first char in a bb_opt_complementally group with
         number 0-9 as one char is means check minimal arguments required.
 
+ "V-"   A option with dash before colon or end line indicate: call
+        bb_show_usage if this option give, for example verbose
+        usage option.
+
  "--"   A double dash between two options, or between an option and a group
         of options, means that they are mutually exclusive.  Unlike
         the "-" case above, an error will be forced if the options
@@ -387,6 +391,12 @@ bb_getopt_ulflags (int argc, char **argv, const char *applet_opts, ...)
                         requires |= on_off->switch_on;
                         continue;
                 }
+                if(c == '-' && (s[2] == ':' || s[2] == '\0')) {
+                        flags |= on_off->switch_on;
+                        on_off->incongruously |= on_off->switch_on;
+                        s++;
+                        continue;
+                }
                 if(c == *s) {
                         on_off->counter = va_arg (p, int *);
                         s++;