X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Ftal%2Fgrab_file%2F_info;h=056f10990b08111ce1ebdc6c66541c445d87c7d0;hp=68ad089b06f23d59e4ef318f0f107c76a9e50e87;hb=5877402640cff05f779b23a730e4cc62d729113f;hpb=e7e57cbf6725debd99238ccd8e3bf273a8d7e61c

diff --git a/ccan/tal/grab_file/_info b/ccan/tal/grab_file/_info
index 68ad089b..056f1099 100644
--- a/ccan/tal/grab_file/_info
+++ b/ccan/tal/grab_file/_info
@@ -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]);