[Liblas-commits] hg: preserve previous gap in situations where the header's offse...

[liblas-commits at liblas.org]

details:   http://hg.liblas.orghg/rev/fef2b1b73755
changeset: 3017:fef2b1b73755
user:      Howard Butler <hobu.inc at gmail.com>
date:      Fri Jun 24 16:05:17 2011 -0500
description:
preserve previous gap in situations where the header's offset is no longer large enough to contain VLRs #239

diffstat:

 src/detail/writer/header.cpp |  3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diffs (18 lines):

diff -r 91f2d3e1e0ab -r fef2b1b73755 src/detail/writer/header.cpp
--- a/src/detail/writer/header.cpp	Fri Jun 24 15:21:43 2011 -0500
+++ b/src/detail/writer/header.cpp	Fri Jun 24 16:05:17 2011 -0500
@@ -168,12 +168,13 @@
         if (difference <= 0) 
         {
             int32_t d = abs(difference);
+            int32_t padding_from_before = m_header.GetDataOffset() - m_header.GetHeaderSize();
             if (m_header.GetVersionMinor()  ==  0) 
             {
                 // Add the two extra bytes for the 1.0 pad
                 d = d + 2;
             }
-            m_header.SetDataOffset(m_header.GetDataOffset() + d );
+            m_header.SetDataOffset(m_header.GetDataOffset() + d + padding_from_before);
         }
 
     }