Make FINGER client take an optional argument for passing to the server.

Author: larsbrinkhoff

src/finger.c

@@ -7,12 +7,12 @@
 
 int main (int argc, char **argv)
 {
-  char *command;
+  char command[1000];
   char reply[1000];
   int host, connection, size;
 
-  if (argc != 2) {
-    fprintf (stderr, "Usage: %s host\n", argv[0]);
+  if (argc < 2 || argc > 3) {
+    fprintf (stderr, "Usage: %s host [user(s)]\n", argv[0]);
     exit (1);
   }
 
@@ -39,8 +39,8 @@ int main (int argc, char **argv)
     exit (1);
   }
 
-  command = "Sample Finger command from client.\r\n";
-  size = strlen (command);
+  size = snprintf (command, sizeof command, "%s\r\n",
+                   argc == 3 ? argv[2] : "");
   if (ncp_write (connection, command, &size) == -1) {
     fprintf (stderr, "NCP write error.\n");
     exit (1);

test/test.sh

@@ -38,7 +38,7 @@ echo "Test ICP and simple data transfer using the Finger protocol."
 NCP=ncp2 ../src/finser &
 PID=$!
 sleep 1
-NCP=ncp3 ../src/finger 002 &
+NCP=ncp3 ../src/finger 002 "Sample Finger command from client." &
 sleep 10
 kill $! $PID 2>/dev/null || :