From 7f00b38f34931a6ae0422463e183222155642403 Mon Sep 17 00:00:00 2001
From: "Uwe.Tews" <uwe.tews@localhost>
Date: Sat, 28 Mar 2009 09:41:06 +0000
Subject: [PATCH] - md5 hash function replace with crc32 for speed optimization

---
 change_log.txt                                  | 1 +
 libs/sysplugins/internal.cacheresource_file.php | 5 +++--
 libs/sysplugins/internal.resource_extend.php    | 3 ++-
 libs/sysplugins/internal.resource_file.php      | 3 ++-
 4 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/change_log.txt b/change_log.txt
index 2c334743..602794e3 100644
--- a/change_log.txt
+++ b/change_log.txt
@@ -1,4 +1,5 @@
 03/28/2009
+- md5 hash function replace with crc32 for speed optimization
 - file order for exted resource inverted
 - clear_compiled_tpl and clear_cache_all will not touch .svn folder any longer
 
diff --git a/libs/sysplugins/internal.cacheresource_file.php b/libs/sysplugins/internal.cacheresource_file.php
index 05928c2c..5ec9a35e 100644
--- a/libs/sysplugins/internal.cacheresource_file.php
+++ b/libs/sysplugins/internal.cacheresource_file.php
@@ -90,7 +90,7 @@ class Smarty_Internal_CacheResource_File extends Smarty_Internal_PluginBase {
     {
         $_dir_sep = $this->smarty->use_sub_dirs ? DIRECTORY_SEPARATOR : '^';
         if (isset($resource_name)) {
-            $_resource_part = md5($resource_name) . '.' . $resource_name . $this->smarty->php_ext;
+            $_resource_part = (string)sprintf("%u",crc32($resource_name)) . '.' . $resource_name . $this->smarty->php_ext;
         } else {
             $_resource_part = null;
         } 
@@ -144,7 +144,8 @@ class Smarty_Internal_CacheResource_File extends Smarty_Internal_PluginBase {
     */
     private function buildCachedFilepath ($resource_name, $cache_id, $compile_id)
     {
-        $_filepath = md5($resource_name); 
+//        $_filepath = md5($resource_name); 
+        $_filepath = (string)sprintf("%u",crc32($resource_name));
         // if use_sub_dirs, break file into directories
         if ($this->smarty->use_sub_dirs) {
             $_filepath = substr($_filepath, 0, 2) . DIRECTORY_SEPARATOR
diff --git a/libs/sysplugins/internal.resource_extend.php b/libs/sysplugins/internal.resource_extend.php
index a69c2354..ec584d83 100644
--- a/libs/sysplugins/internal.resource_extend.php
+++ b/libs/sysplugins/internal.resource_extend.php
@@ -126,7 +126,8 @@ class Smarty_Internal_Resource_Extend extends Smarty_Internal_Base {
     public function getCompiledFilepath($_template)
     {
         $_files = explode('|', $_template->resource_name);
-        $_filepath = md5($_files[0]); 
+//        $_filepath = md5($_files[0]); 
+        $_filepath = (string)sprintf("%u",crc32($_files[0]));
         // if use_sub_dirs, break file into directories
         if ($_template->smarty->use_sub_dirs) {
             $_filepath = substr($_filepath, 0, 3) . DIRECTORY_SEPARATOR
diff --git a/libs/sysplugins/internal.resource_file.php b/libs/sysplugins/internal.resource_file.php
index 57eb76ed..5b3ecd15 100644
--- a/libs/sysplugins/internal.resource_file.php
+++ b/libs/sysplugins/internal.resource_file.php
@@ -92,7 +92,8 @@ class Smarty_Internal_Resource_File extends Smarty_Internal_Base {
     */
     public function getCompiledFilepath($_template)
     {
-        $_filepath = md5($_template->resource_name); 
+//        $_filepath = md5($_template->resource_name); 
+        $_filepath = (string)sprintf("%u",crc32($_template->resource_name));
         // if use_sub_dirs, break file into directories
         if ($_template->smarty->use_sub_dirs) {
             $_filepath = substr($_filepath, 0, 3) . DIRECTORY_SEPARATOR