From 5be92ee0bc0cba46404a391f569367bf2a2b6292 Mon Sep 17 00:00:00 2001
From: Roland Haeder <roland@mxchange.org>
Date: Tue, 20 May 2014 21:41:41 +0200
Subject: [PATCH] Introduced seekToOldPosition() and avoided endless loop.
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Signed-off-by: Roland Häder <roland@mxchange.org>
---
 .../main/class_BaseFrameworkSystem.php        | 20 ++++++++++++++++---
 inc/classes/main/index/class_BaseIndex.php    | 12 ++++++++---
 .../main/stacker/file/class_BaseFileStack.php |  2 +-
 3 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/inc/classes/main/class_BaseFrameworkSystem.php b/inc/classes/main/class_BaseFrameworkSystem.php
index 161710f5..06f3a4d6 100644
--- a/inc/classes/main/class_BaseFrameworkSystem.php
+++ b/inc/classes/main/class_BaseFrameworkSystem.php
@@ -3057,14 +3057,25 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
 		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] EXIT!!', __METHOD__, __LINE__));
 	}
 
+	/**
+	 * Seeks to old position
+	 *
+	 * @return	void
+	 */
+	protected function seekToOldPosition () {
+		// Seek to currently ("old") saved position
+		$this->getIteratorInstance()->seek($this->getSeekPosition());
+	}
+
 	/**
 	 * Writes data at given position
 	 *
 	 * @param	$seekPosition	Seek position
 	 * @param	$data			Data to be written
+	 * @param	$flushHeader	Whether to flush the header (default: flush)
 	 * @return	void
 	 */
-	protected function writeData ($seekPosition, $data) {
+	protected function writeData ($seekPosition, $data, $flushHeader = TRUE) {
 		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] seekPosition=%s,data()=%s - CALLED!', __METHOD__, __LINE__, $seekPosition, strlen($data)));
 
 		// Write data at given position
@@ -3073,8 +3084,11 @@ class BaseFrameworkSystem extends stdClass implements FrameworkInterface {
 		// Update seek position
 		$this->updateSeekPosition();
 
-		// Flush header
-		$this->flushFileHeader();
+		// Flush the header?
+		if ($flushHeader === TRUE) {
+			// Flush header
+			$this->flushFileHeader();
+		} // END - if
 
 		// Seek to old position
 		$this->seekToOldPosition();
diff --git a/inc/classes/main/index/class_BaseIndex.php b/inc/classes/main/index/class_BaseIndex.php
index fe16473e..29d0d52e 100644
--- a/inc/classes/main/index/class_BaseIndex.php
+++ b/inc/classes/main/index/class_BaseIndex.php
@@ -128,16 +128,22 @@ class BaseIndex extends BaseFrameworkSystem {
 		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] CALLED!', __METHOD__, __LINE__));
 
 		// Put all informations together
-		$header = sprintf('%s%s',
+		$header = sprintf('%s%s%s%s',
 			// Magic
 			self::INDEX_MAGIC,
 
-			// Separator position<->entries
+			// Separator header data
+			chr(self::SEPARATOR_HEADER_DATA),
+
+			// Total entries
+			str_pad($this->dec2hex($this->getCounter()), self::LENGTH_COUNT, '0', STR_PAD_LEFT),
+
+			// Separator header<->entries
 			chr(self::SEPARATOR_HEADER_ENTRIES)
 		);
 
 		// Write it to disk (header is always at seek position 0)
-		$this->writeData(0, $header);
+		$this->writeData(0, $header, FALSE);
 
 		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] EXIT!', __METHOD__, __LINE__));
 	}
diff --git a/inc/classes/main/stacker/file/class_BaseFileStack.php b/inc/classes/main/stacker/file/class_BaseFileStack.php
index 2a169bce..9b662aac 100644
--- a/inc/classes/main/stacker/file/class_BaseFileStack.php
+++ b/inc/classes/main/stacker/file/class_BaseFileStack.php
@@ -165,7 +165,7 @@ class BaseFileStack extends BaseStacker {
 		);
 
 		// Write it to disk (header is always at seek position 0)
-		$this->writeData(0, $header);
+		$this->writeData(0, $header, FALSE);
 
 		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput(sprintf('[%s:%d:] EXIT!', __METHOD__, __LINE__));
 	}
-- 
2.39.2