sb139: #i116444# handle short reads in io_acceptor::PipeConnection::read

1 files changed, 8 insertions, 2 deletions

diff --git a/io/source/acceptor/acc_pipe.cxx b/io/source/acceptor/acc_pipe.cxx
index 6d0b77484fef..63f688d32dca 100644
--- a/io/source/acceptor/acc_pipe.cxx
+++ b/io/source/acceptor/acc_pipe.cxx
@@ -101,11 +101,17 @@ namespace io_acceptor
     {
         if( ! m_nStatus )
         {
-            if( aReadBytes.getLength() != nBytesToRead )
+            if( aReadBytes.getLength() < nBytesToRead )
             {
                 aReadBytes.realloc( nBytesToRead );
             }
-            return m_pipe.read( aReadBytes.getArray()  , aReadBytes.getLength() );
+            sal_Int32 n = m_pipe.read( aReadBytes.getArray(), nBytesToRead );
+            OSL_ASSERT( n >= 0 && n <= aReadBytes.getLength() );
+            if( n < aReadBytes.getLength() )
+            {
+                aReadBytes.realloc( n );
+            }
+            return n;
         }
         else {
             throw IOException();