X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/1691e80890e5d8ba258c51c214a3e91880e1db2b..0c8ff9a0a39209d43f46cef806de5acaa714dfed:/sbr/ssequal.c

diff --git a/sbr/ssequal.c b/sbr/ssequal.c
index dd5c0977..cb765203 100644
--- a/sbr/ssequal.c
+++ b/sbr/ssequal.c
@@ -2,18 +2,28 @@
 /*
  * ssequal.c -- check if a string is a substring of another
  *
- * $Id$
+ * This code is Copyright (c) 2002, by the authors of nmh.  See the
+ * COPYRIGHT file in the root directory of the nmh distribution for
+ * complete copyright information.
  */
 
 #include <h/mh.h>
 
+/*
+ * THIS CODE DOES NOT WORK AS ADVERTISED.
+ * It is actually checking if s1 is a PREFIX of s2.
+ * All calls to this function need to be checked to see
+ * if that needs to be changed. Prefix checking is cheaper, so
+ * should be kept if it's sufficient.
+ */
+
 /*
  * Check if s1 is a substring of s2.
  * If yes, then return 1, else return 0.
  */
 
 int
-ssequal (char *s1, char *s2)
+ssequal (const char *s1, const char *s2)
 {
     if (!s1)
 	s1 = "";