libbb: getopt32() should not ever touch argv[0] (even read)

diff --git a/libbb/getopt32.c b/libbb/getopt32.c
index 611333c..54dc785 100644 (file)
--- a/libbb/getopt32.c
+++ b/libbb/getopt32.c
@@ -338,7 +338,8 @@ getopt32(char **argv, const char *applet_opts, ...)
 
        int spec_flgs = 0;
 
-       argc = 0;
+       /* skip 0: some applets cheat: they do not actually HAVE argv[0] */
+       argc = 1;
        while (argv[argc])
                argc++;