* uip/whatnowsbr.c: enforce requirement of at least one file

[mmh] / uip / whatnowsbr.c

diff --git a/uip/whatnowsbr.c b/uip/whatnowsbr.c
index 723d408..6541b42 100644 (file)
--- a/uip/whatnowsbr.c
+++ b/uip/whatnowsbr.c
@@ -409,6 +409,11 @@ WhatNow (int argc, char **argv)
                break;
            }
 
+           if (*(argp+1) == (char *)0) {
+               advise((char *)0, "attach command requires file argument(s).");
+               break;
+           }
+
            /*
             *  Build a command line that causes the user's shell to list the file name
             *  arguments.  This handles and wildcard expansion, tilde expansion, etc.