cast, str, take, tal/grabfile, tal/str, typesafe_cb: use argc

[ccan] / ccan / tal / grab_file / _info

diff --git a/ccan/tal/grab_file/_info b/ccan/tal/grab_file/_info
index 3b323d3325d232ac9136b311ca56123f7c42fa29..056f10990b08111ce1ebdc6c66541c445d87c7d0 100644 (file)
--- a/ccan/tal/grab_file/_info
+++ b/ccan/tal/grab_file/_info
@@ -1,6 +1,6 @@
+#include "config.h"
 #include <stdio.h>
 #include <string.h>
-#include "config.h"
 
 /**
  * tal/grab_file - file helper routines
@@ -18,6 +18,8 @@
  *     {
  *             char *file;
  *
+ *             if (argc > 2)
+ *                     err(1, "Takes 0 or 1 arguments");
  *             file = grab_file(NULL, argv[1]);
  *             if (!file)
  *                     err(1, "Could not read file %s", argv[1]);