print debugging flags in usage(); idea from freebsd

diff --git a/usr.sbin/cron/cron.c b/usr.sbin/cron/cron.c
index 0b9aac8..0a9d676 100644 (file)
--- a/usr.sbin/cron/cron.c
+++ b/usr.sbin/cron/cron.c
@@ -16,7 +16,7 @@
  */
 
 #if !defined(lint) && !defined(LINT)
-static char rcsid[] = "$Id: cron.c,v 1.1.1.1 1995/10/18 08:47:30 deraadt Exp $";
+static char rcsid[] = "$Id: cron.c,v 1.2 1996/09/15 09:28:14 deraadt Exp $";
 #endif
 
 
@@ -46,7 +46,12 @@ static       void    usage __P((void)),
 
 static void
 usage() {
-       fprintf(stderr, "usage:  %s [-x debugflag[,...]]\n", ProgramName);
+       char **dflags;
+
+       fprintf(stderr, "usage:  %s [-x [", ProgramName);
+       for(dflags = DebugFlagNames; *dflags; dflags++)
+               fprintf(stderr, "%s%s", *dflags, dflags[1] ? "," : "]");
+       fprintf(stderr, "]\n");
        exit(ERROR_EXIT);
 }