another more correction for getopt_ulflags() documentation (examples)

1 files changed, 8 insertions, 5 deletions

diff --git a/libbb/getopt_ulflags.c b/libbb/getopt_ulflags.c
index 5ed9c2e70..2e2ee0b6b 100644
--- a/libbb/getopt_ulflags.c
+++ b/libbb/getopt_ulflags.c
@@ -134,9 +134,12 @@ const char *bb_opt_complementally
         llist_t *my_b = NULL;
         int verbose_level = 0;
         bb_opt_complementally = "vv:b*:b-c:c-b";
-        bb_getopt_ulflags(argc, argv, "vb:c", &my_b, &verbose_level);
-        while (my_b) { dosomething_with(my_b->data) ; my_b = my_b->link; }
-        if (verbose_level) bb_printf("verbose\n");
+        f = bb_getopt_ulflags(argc, argv, "vb:c", &my_b, &verbose_level);
+        if((f & 2))     // -c after -b unset this -b flag
+          while (my_b) { dosomething_with(my_b->data) ; my_b = my_b->link; }
+        if(my_b)        // but llist stored always if -b found
+                free_llist(my_b);
+        if (verbose_level) bb_printf("verbose level is %d\n", verbose_level);
 
 Special characters:
 
@@ -174,8 +177,8 @@ Special characters:
         bb_opt_complementally = "-:w-x:x-w";
         bb_getopt_ulflags(argc, argv, "wx");
 
-        Allows option 'w' to be given without a dash (./program w x)
-        as well as with a dash (./program -x).
+        Allows any arguments to be given without a dash (./program w x)
+        as well as with a dash (./program -x). Why unset -w see above.
 
  "~"    A tilde between two options, or between an option and a group
         of options, means that they are mutually exclusive.  Unlike