From 3ddbfeafde93d1aab16a710498d86eef4e787406 Mon Sep 17 00:00:00 2001
From: Michael Krelin <hacker@klever.net>
Date: Wed, 30 Mar 2005 15:50:28 +0000
Subject: 1. preprocessor doesn't touch unchanged files anymore

2. doublechedk on whether file is up to date when making
3. changed the way preprocessor targets depend on the timestamp file
4. a bugfix in strip_suffix/strip_prefix
---
(limited to 'lib/sitecing_util.cc')

diff --git a/lib/sitecing_util.cc b/lib/sitecing_util.cc
index 5466b28..f892a60 100644
--- a/lib/sitecing_util.cc
+++ b/lib/sitecing_util.cc
@@ -56,13 +56,13 @@ namespace sitecing {
     }
 
     string strip_prefix(const string& str,const string& prefix) {
-	if(str.compare(0,prefix.length(),prefix))
+	if( (str.length()<prefix.length()) || str.compare(0,prefix.length(),prefix))
 	    throw utility_no_prefix(CODEPOINT,"no such prefix");
 	return str.substr(prefix.length());
     }
 
     string strip_suffix(const string& str,const string& suffix) {
-	if(str.compare(str.length()-suffix.length(),suffix.length(),suffix))
+	if( (str.length()<suffix.length()) || str.compare(str.length()-suffix.length(),suffix.length(),suffix))
 	    throw utility_no_suffix(CODEPOINT,"no such suffix");
 	return str.substr(0,str.length()-suffix.length());
     }
--
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