From 3674c3a8c16b5f3a9f28f7c38d54254b04b2f754 Mon Sep 17 00:00:00 2001
From: jpr <jpr>
Date: Tue, 7 Jun 2005 13:48:35 +0000
Subject: [PATCH] The highy time consuming method GetMacAdress is now called
 just once

---
 src/gdcmUtil.cxx | 10 ++++++----
 src/gdcmUtil.h   |  5 +++--
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/gdcmUtil.cxx b/src/gdcmUtil.cxx
index f20d854d..ce7000bf 100644
--- a/src/gdcmUtil.cxx
+++ b/src/gdcmUtil.cxx
@@ -3,8 +3,8 @@
   Program:   gdcm
   Module:    $RCSfile: gdcmUtil.cxx,v $
   Language:  C++
-  Date:      $Date: 2005/06/06 13:07:19 $
-  Version:   $Revision: 1.152 $
+  Date:      $Date: 2005/06/07 13:48:35 $
+  Version:   $Revision: 1.153 $
                                                                                 
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -94,6 +94,7 @@ const std::string Util::GDCM_UID = "1.2.826.0.1.3680043.2.1143";
 std::string Util::RootUID        = GDCM_UID;
 const uint16_t Util::FMIV = 0x0001;
 uint8_t *Util::FileMetaInformationVersion = (uint8_t *)&FMIV;
+std::string Util::GDCM_MAC_ADRESS = GetMACAddress();
 
 //-------------------------------------------------------------------------
 // Public
@@ -389,7 +390,7 @@ std::string Util::DicomString(const char *s, size_t l)
  * \brief Create a /DICOM/ string:
  * It should a of even length (no odd length ever)
  * It can contain as many (if you are reading this from your
- * editor the following character is is backslash followed by zero
+ * editor the following character is backslash followed by zero
  * that needed to be escaped with an extra backslash for doxygen) \\0
  * as you want.
  * This function is similar to DicomString(const char*), 
@@ -789,7 +790,8 @@ std::string Util::CreateUniqueUID(const std::string &root)
 
    // A root was specified use it to forge our new UID:
    append += ".";
-   append += Util::GetMACAddress();
+   //append += Util::GetMACAddress(); // to save CPU time
+   append += Util::GDCM_MAC_ADRESS;
    append += ".";
    append += Util::GetCurrentDateTime();
 
diff --git a/src/gdcmUtil.h b/src/gdcmUtil.h
index 4cb44015..0804497e 100644
--- a/src/gdcmUtil.h
+++ b/src/gdcmUtil.h
@@ -3,8 +3,8 @@
   Program:   gdcm
   Module:    $RCSfile: gdcmUtil.h,v $
   Language:  C++
-  Date:      $Date: 2005/02/17 10:56:20 $
-  Version:   $Revision: 1.56 $
+  Date:      $Date: 2005/06/07 13:48:36 $
+  Version:   $Revision: 1.57 $
                                                                                 
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -76,6 +76,7 @@ private:
    static const std::string GDCM_UID;
    static uint8_t *FileMetaInformationVersion;
    static const uint16_t FMIV;
+   static std::string GDCM_MAC_ADRESS;
 };
 
 GDCM_EXPORT std::ostream &binary_write(std::ostream &os, const uint16_t &val);
-- 
2.46.1