$OpenBSD: patch-src_dirdef_cpp,v 1.2 2010/11/04 20:13:10 sthen Exp $
--- src/dirdef.cpp.orig	Fri Apr 30 11:45:25 2010
+++ src/dirdef.cpp	Thu Sep 16 11:35:27 2010
@@ -73,11 +73,16 @@ void DirDef::addFile(FileDef *fd)
 static QCString encodeDirName(const QCString &anchor)
 {
   QCString result;
-
+  char *name, *prefix;
   // convert to md5 hash
   uchar md5_sig[16];
   QCString sigStr(33);
-  MD5Buffer((const unsigned char *)anchor.data(),anchor.length(),md5_sig);
+  name = (char*)anchor.data();
+  prefix = getenv("DOXYGEN_ENCODE_PATH_STRIP");
+  if(prefix != NULL)
+    if (strstr(name, prefix) == name)
+      name += strlen(prefix);
+  MD5Buffer((const unsigned char*)name,strlen(name),md5_sig);
   MD5SigToString(md5_sig,sigStr.data(),33);
   return sigStr;