From 0b6a51224f68786177d4e3a261e7e7bfb6c353c4 Mon Sep 17 00:00:00 2001
From: Markus Schorn <markus.schorn@windriver.com>
Date: Wed, 9 Jul 2008 08:27:48 +0000
Subject: [PATCH] Exporting index-databases larger than 1GB, bug 239462.

---
 .../cdt/internal/core/pdom/db/Database.java        | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/db/Database.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/db/Database.java
index 254037f0556..9e256d33d85 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/db/Database.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/db/Database.java
@@ -170,8 +170,18 @@ public class Database {
 
 	public void transferTo(FileChannel target) throws IOException {
 		assert fLocked;
-		final FileChannel from= fFile.getChannel();
-		from.transferTo(0, from.size(), target);
+        final FileChannel from= fFile.getChannel();
+        long nRead = 0;
+        long position = 0;
+        long size = from.size();
+        while (position < size) {
+        	nRead = from.transferTo(position, 4096*16, target);
+        	if (nRead == 0) {
+        		break;		// should not happen
+        	} else {
+        		position+= nRead;
+        	}
+        }
 	}
 	
 	public int getVersion() throws CoreException {