ctf: fix windows regression

In windows, the bitbuffer reads the filechannel. This advances the
position. It needs to be flip()ed to reset reading. This problem will
be obvious when we do CI in windows.

Change-Id: Id1cbf581c993038c54d8aa6fd3a62a77e17f17e3
Signed-off-by: Matthew Khouzam <matthew.khouzam@ericsson.com>
Reviewed-on: https://git.eclipse.org/r/48199
Reviewed-by: Hudson CI
Reviewed-by: Patrick Tasse <patrick.tasse@gmail.com>
Tested-by: Patrick Tasse <patrick.tasse@gmail.com>

diff --git a/org.eclipse.tracecompass.ctf.core/src/org/eclipse/tracecompass/internal/ctf/core/SafeMappedByteBuffer.java b/org.eclipse.tracecompass.ctf.core/src/org/eclipse/tracecompass/internal/ctf/core/SafeMappedByteBuffer.java
index 712df1828f23aeb1182022e9a78d466bbc12152f..7f25796d883d104aa46e2bd3a2d523b0d0c11e1d 100644 (file)
--- a/org.eclipse.tracecompass.ctf.core/src/org/eclipse/tracecompass/internal/ctf/core/SafeMappedByteBuffer.java
+++ b/org.eclipse.tracecompass.ctf.core/src/org/eclipse/tracecompass/internal/ctf/core/SafeMappedByteBuffer.java
@@ -51,6 +51,7 @@ public class SafeMappedByteBuffer {
         if (IS_WIN32) {
             byteBuffer = ByteBuffer.allocate((int) size);
             fc.read(byteBuffer, position);
+            byteBuffer.flip();
         } else {
             byteBuffer = fc.map(mode, position, size);
         }