main: !CONFIG_BUSYBOX: "busybox --OPT" is not a call to applet "-OPT"busybox

This was confusing:

$ busybox --help
-help: applet not found

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/libbb/appletlib.c b/libbb/appletlib.c
index 17216baab..403f5614f 100644
--- a/libbb/appletlib.c
+++ b/libbb/appletlib.c
@@ -1111,8 +1111,11 @@ int main(int argc UNUSED_PARAM, char **argv)
 
         lbb_prepare("busybox" IF_FEATURE_INDIVIDUAL(, argv));
 # if !ENABLE_BUSYBOX
-        if (argv[1] && is_prefixed_with(bb_basename(argv[0]), "busybox"))
+        if (argv[1] && argv[1][0] != '-' /* do not match "busybox --OPT" */
+         && is_prefixed_with(bb_basename(argv[0]), "busybox")
+        ) {
                 argv++;
+        }
 # endif
         applet_name = argv[0];
         if (applet_name[0] == '-')