[BusyBox-cvs] busybox/archival tar.c,1.182,1.183

[Glenn McGrath]

Update of /var/cvs/busybox/archival
In directory winder:/tmp/cvs-serv24517/archival

Modified Files:
	tar.c 
Log Message:
Check at least one context is specified


Index: tar.c
===================================================================
RCS file: /var/cvs/busybox/archival/tar.c,v
retrieving revision 1.182
retrieving revision 1.183
diff -u -d -r1.182 -r1.183
--- tar.c	20 Nov 2003 09:06:10 -0000	1.182
+++ tar.c	20 Nov 2003 09:53:31 -0000	1.183
@@ -662,6 +662,9 @@
 	if(opt & 0x80000000UL)
 		bb_show_usage();
 	ctx_flag = opt & (CTX_CREATE | CTX_TEST | CTX_EXTRACT);
+	if (ctx_flag == 0) {
+		bb_show_usage();
+	}
 	if(ctx_flag & CTX_TEST) {
 		if ((tar_handle->action_header == header_list) || 
 			(tar_handle->action_header == header_verbose_list)) {