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Index: /trunk/gdal/frmts/nitf/nitfrasterband.cpp
===================================================================
--- a/frmts/nitf/nitfrasterband.cpp	(revision 38657)
+++ b/frmts/nitf/nitfrasterband.cpp	(revision 38658)
@@ -824,4 +826,20 @@
         pUnpackData[i+7] = ((pDataSrc[k+2]) & 0x7);
       }
+      if( i < n )
+      {
+        pUnpackData[i+0] = ((pDataSrc[k+0] >> 5));
+        if( i + 1 < n )
+            pUnpackData[i+1] = ((pDataSrc[k+0] >> 2) & 0x07);
+        if( i + 2 < n )
+            pUnpackData[i+2] = ((pDataSrc[k+0] << 1) & 0x07) | (pDataSrc[k+1] >> 7);
+        if( i + 3 < n )
+            pUnpackData[i+3] = ((pDataSrc[k+1] >> 4) & 0x07);
+        if( i + 4 < n )
+            pUnpackData[i+4] = ((pDataSrc[k+1] >> 1) & 0x07);
+        if( i + 5 < n )
+            pUnpackData[i+5] = ((pDataSrc[k+1] << 2) & 0x07) | (pDataSrc[k+2] >> 6);
+        if( i + 6 < n )
+            pUnpackData[i+6] = ((pDataSrc[k+2] >> 3) & 0x07);
+      }
 
       memcpy(pData, pUnpackData, n);
@@ -842,4 +862,20 @@
         pUnpackData[i+7] = ((pDataSrc[k+4]) & 0x1f);
       }
+      if( i < n )
+      {
+        pUnpackData[i+0] = ((pDataSrc[k+0] >> 3));
+        if( i + 1 < n )
+            pUnpackData[i+1] = ((pDataSrc[k+0] << 2) & 0x1f) | (pDataSrc[k+1] >> 6);
+        if( i + 2 < n )
+            pUnpackData[i+2] = ((pDataSrc[k+1] >> 1) & 0x1f);
+        if( i + 3 < n )
+            pUnpackData[i+3] = ((pDataSrc[k+1] << 4) & 0x1f) | (pDataSrc[k+2] >> 4);
+        if( i + 4 < n )
+            pUnpackData[i+4] = ((pDataSrc[k+2] << 1) & 0x1f) | (pDataSrc[k+3] >> 7);
+        if( i + 5 < n )
+            pUnpackData[i+5] = ((pDataSrc[k+3] >> 2) & 0x1f);
+        if( i + 6 < n )
+            pUnpackData[i+6] = ((pDataSrc[k+3] << 3) & 0x1f) | (pDataSrc[k+4] >> 5);
+      }
 
       memcpy(pData, pUnpackData, n);
@@ -856,4 +894,12 @@
         pUnpackData[i+3] = ((pDataSrc[k+2]) & 0x3f);
       }
+      if( i < n )
+      {
+        pUnpackData[i+0] = ((pDataSrc[k+0] >> 2));
+        if( i + 1 < n )
+            pUnpackData[i+1] = ((pDataSrc[k+0] << 4) & 0x3f) | (pDataSrc[k+1] >> 4);
+        if( i + 2 < n )
+            pUnpackData[i+2] = ((pDataSrc[k+1] << 2) & 0x3f) | (pDataSrc[k+2] >> 6);
+      }
 
       memcpy(pData, pUnpackData, n);
@@ -873,4 +921,20 @@
         pUnpackData[i+6] = ((pDataSrc[k+5] << 1) & 0x7f) | (pDataSrc[k+6] >> 7);
         pUnpackData[i+7] = ((pDataSrc[k+6]) & 0x7f);
+      }
+      if( i < n )
+      {
+        pUnpackData[i+0] = ((pDataSrc[k+0] >> 1));
+        if( i + 1 < n )
+            pUnpackData[i+1] = ((pDataSrc[k+0] << 6) & 0x7f) | (pDataSrc[k+1] >> 2);
+        if( i + 2 < n )
+            pUnpackData[i+2] = ((pDataSrc[k+1] << 5) & 0x7f) | (pDataSrc[k+2] >> 3) ;
+        if( i + 3 < n )
+            pUnpackData[i+3] = ((pDataSrc[k+2] << 4) & 0x7f) | (pDataSrc[k+3] >> 4);
+        if( i + 4 < n )
+            pUnpackData[i+4] = ((pDataSrc[k+3] << 3) & 0x7f) | (pDataSrc[k+4] >> 5);
+        if( i + 5 < n )
+            pUnpackData[i+5] = ((pDataSrc[k+4] << 2) & 0x7f) | (pDataSrc[k+5] >> 6);
+        if( i + 6 < n )
+            pUnpackData[i+6] = ((pDataSrc[k+5] << 1) & 0x7f) | (pDataSrc[k+6] >> 7);
       }