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

[ccan] / ccan / tal / str / _info

diff --git a/ccan/tal/str/_info b/ccan/tal/str/_info
index cb81c9e19df33a64eb0e6323810d3d3129d9ff7e..3037cfde2fba99fcf1e817c0117ed8b89909fee3 100644 (file)
--- a/ccan/tal/str/_info
+++ b/ccan/tal/str/_info
@@ -20,6 +20,8 @@
  *             char *textfile;
  *             char **lines;
  *
+ *             if (argc > 2)
+ *                     errx(1, "Takes 0 or 1 arguments");
  *             // Grab lines in file.
  *             textfile = grab_file(NULL, argv[1]);
  *             if (!textfile)