From d6e32c56160c6d384b1ecd70d6338f724a3571aa Mon Sep 17 00:00:00 2001
From: Daniel Hammerschmid <daniel.hammerschmid@documatrix.com>
Date: Mon, 27 Aug 2018 19:25:08 +0200
Subject: [PATCH] Limited max write block size of BufferedLimitedMemoryWriter

The maximum block size written by the BufferedLimitedMemoryWriter is now
limited to buffer_size.
---
 src/open_dmlib.vala | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/open_dmlib.vala b/src/open_dmlib.vala
index 2c89385..2dec7fe 100755
--- a/src/open_dmlib.vala
+++ b/src/open_dmlib.vala
@@ -1249,7 +1249,22 @@ namespace OpenDMLib
 
       public override void write( uint8[] buf ) throws Error
       {
-        this.write_buffer( buf );
+        if ( buf.length > this.buffer_size )
+        {
+          for ( uint64 i = 0; i < buf.length; i += this.buffer_size )
+          {
+            uint64 slice_end = i + this.buffer_size;
+            if ( slice_end > buf.length )
+            {
+              slice_end = buf.length;
+            }
+            this.write_buffer( buf[ i : slice_end ] );
+          }
+        }
+        else
+        {
+          this.write_buffer( buf );
+        }
         this.buffer_index = 0;
       }