From af49935bcb76e55dcde3e976f1390121f8729065 Mon Sep 17 00:00:00 2001
From: ahodgkinson <ahodgkinson@0109f412-320b-0410-ab79-c3e0c5ffbbe6>
Date: Thu, 27 Jul 2006 21:13:17 +0000
Subject: [PATCH] FTK changes.  Optimized Solaris file extend operation.

git-svn-id: https://svn.code.sf.net/p/flaim/code/trunk@723 0109f412-320b-0410-ab79-c3e0c5ffbbe6
---
 ftk/src/ftkunix.cpp | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/ftk/src/ftkunix.cpp b/ftk/src/ftkunix.cpp
index acf131d..3ec25e5 100644
--- a/ftk/src/ftkunix.cpp
+++ b/ftk/src/ftkunix.cpp
@@ -718,12 +718,22 @@ RCODE F_FileHdl::lowLevelWrite(
 			FLMUINT		uiCurrBytesToExtend;
 			FLMUINT		uiExtendBufferSize;
 			
-			uiExtendBufferSize = f_min( uiTotalBytesToExtend, 64 * 1024);
+			uiExtendBufferSize = f_min( uiTotalBytesToExtend, 1024 * 1024);
 
-			if( RC_BAD( rc = f_allocAlignedBuffer( 
-				uiExtendBufferSize, &pucExtendBuffer)))
+			for( ;;)
 			{
-				goto Exit;
+				if( RC_OK( rc = f_allocAlignedBuffer( 
+					uiExtendBufferSize, &pucExtendBuffer)))
+				{
+					break;
+				}
+
+				if( uiExtendBufferSize <= (32 * 1024))
+				{
+					goto Exit;
+				}
+
+				uiExtendBufferSize >>= 1; 
 			}
 			
 			if( ftruncate( m_fd, ui64CurrFileSize + uiTotalBytesToExtend) == -1)