X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/6c42153ad9362cc676ea66563bf400d7511b3b68..9a87f2bf9289ef232ec8c267fd7be76120c87ca2:/sbr/ssequal.c?ds=inline

diff --git a/sbr/ssequal.c b/sbr/ssequal.c
index 615404a7..7bd30031 100644
--- a/sbr/ssequal.c
+++ b/sbr/ssequal.c
@@ -1,8 +1,4 @@
-
-/*
- * ssequal.c -- check if a string is a substring of another
- *
- * $Id$
+/* ssequal.c -- check if a string is a substring of another
  *
  * This code is Copyright (c) 2002, by the authors of nmh.  See the
  * COPYRIGHT file in the root directory of the nmh distribution for
@@ -11,13 +7,21 @@
 
 #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 = "";