From 409ffccd9c98de4ac1c272cfe5eb8a009dd6ad09 Mon Sep 17 00:00:00 2001
From: Viktor Szakats <harbour@syenar.net>
Date: Fri, 10 Dec 2010 09:00:09 +0000
Subject: [PATCH] 2010-12-10 09:59 UTC+0200 Viktor Szakats (harbour.01
 syenar.hu)   * contrib/hblzf/hblzf.c     ! Fixed against trying to allocate
 negative size.       (it _will_ result in compile time warning. Don't report
 it)

---
 harbour/ChangeLog             | 5 +++++
 harbour/contrib/hblzf/hblzf.c | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/harbour/ChangeLog b/harbour/ChangeLog
index 5f41f606b1..02df3bab0b 100644
--- a/harbour/ChangeLog
+++ b/harbour/ChangeLog
@@ -16,6 +16,11 @@
    The license applies to all entries newer than 2009-04-28.
 */
 
+2010-12-10 09:59 UTC+0200 Viktor Szakats (harbour.01 syenar.hu)
+  * contrib/hblzf/hblzf.c
+    ! Fixed against trying to allocate negative size.
+      (it _will_ result in compile time warning. Don't report it)
+
 2010-12-10 09:50 UTC+0200 Viktor Szakats (harbour.01 syenar.hu)
   * contrib/hblzf/hblzf.c
   * contrib/hblzf/tests/test.prg
diff --git a/harbour/contrib/hblzf/hblzf.c b/harbour/contrib/hblzf/hblzf.c
index 76f56d1df5..2b0f934755 100644
--- a/harbour/contrib/hblzf/hblzf.c
+++ b/harbour/contrib/hblzf/hblzf.c
@@ -103,6 +103,9 @@ HB_FUNC( LZF_COMPRESS )
       in_len  = hb_itemGetCLen( pArg );
       out_len = in_len + ( delta ? delta : ( ( HB_SIZE ) ( in_len * 1.04 ) + 1 ) );
 
+      if( out_len < 0 )
+         out_len = 0;
+
       out_data = ( char * ) hb_xgrab( out_len + 1 );
 
       uiResult = lzf_compress( in_data, in_len, out_data, out_len );