new file mode 100644
--- /dev/null
+++ b/packages/language/c/libc/stdio/current/src/common/streambuf.cxx
@@ -0,0 +1,132 @@
+//===========================================================================
+//
+//      streambuf.cxx
+//
+//      C library stdio stream buffer functions
+//
+//===========================================================================
+//####COPYRIGHTBEGIN####
+//                                                                          
+// -------------------------------------------                              
+// The contents of this file are subject to the Red Hat eCos Public License 
+// Version 1.1 (the "License"); you may not use this file except in         
+// compliance with the License.  You may obtain a copy of the License at    
+// http://www.redhat.com/                                                   
+//                                                                          
+// Software distributed under the License is distributed on an "AS IS"      
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the 
+// License for the specific language governing rights and limitations under 
+// the License.                                                             
+//                                                                          
+// The Original Code is eCos - Embedded Configurable Operating System,      
+// released September 30, 1998.                                             
+//                                                                          
+// The Initial Developer of the Original Code is Red Hat.                   
+// Portions created by Red Hat are                                          
+// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
+// All Rights Reserved.                                                     
+// -------------------------------------------                              
+//                                                                          
+//####COPYRIGHTEND####
+//===========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    jlarmour
+// Contributors: 
+// Date:         2000-04-20
+// Purpose:     
+// Description: 
+// Usage:       
+//
+//####DESCRIPTIONEND####
+//
+//===========================================================================
+
+// CONFIGURATION
+
+#include <pkgconf/libc_stdio.h>   // Configuration header
+
+// Include buffered I/O?
+#if defined(CYGSEM_LIBC_STDIO_WANT_BUFFERED_IO)
+
+
+// INCLUDES
+
+#include <cyg/infra/cyg_type.h>   // Common project-wide type definitions
+#include <cyg/infra/cyg_ass.h>    // Assertion support
+#include <errno.h>                // Cyg_ErrNo
+#include <stdlib.h>               // malloc() and free()
+#include <cyg/libc/stdio/streambuf.hxx> // header for this file, just in case
+
+// FUNCTIONS
+    
+Cyg_ErrNo
+Cyg_StdioStreamBuffer::set_buffer( cyg_ucount32 size=BUFSIZ,
+                                   cyg_uint8 *new_buffer=NULL )
+{
+    
+#ifdef CYGSEM_LIBC_STDIO_DYNAMIC_SETVBUF
+    
+    // user-supplied buffer?
+    if (new_buffer != NULL) {
+        CYG_CHECK_DATA_PTR(new_buffer, "new_buffer not valid");
+#ifdef CYGSEM_LIBC_STDIO_SETVBUF_MALLOC
+        // first check if we were responsible for the old buffer
+        if (call_free) {
+            free(buffer_bottom);
+            call_free = false;
+        }
+#endif        
+        buffer_bottom = new_buffer;
+    }
+#ifdef CYGSEM_LIBC_STDIO_SETVBUF_MALLOC    
+    else if ( size != buffer_size ) { // as long as its different from
+                                      // what we've got now
+        cyg_uint8 *malloced_buf;
+
+        malloced_buf = (cyg_uint8 * )malloc( size );
+        if (malloced_buf == NULL)
+            return ENOMEM;
+
+        // should the old buffer be freed? This waits till after we know
+        // whether the malloc succeeded
+        if (call_free)
+            free( buffer_bottom );
+        
+        buffer_bottom = malloced_buf;
+
+        call_free=true;
+
+    } // else if
+#else
+    // Here we have not been given a new buffer, but have been given
+    // a new buffer size. If possible, we just shrink what we already
+    // have.
+    else if( size > buffer_size )
+        return EINVAL;
+#endif    
+    
+#else // ifdef CYGSEM_LIBC_STDIO_DYNAMIC_SETVBUF
+    
+    // In this config we can't use a different buffer, or set a
+    // size greater than now. We can pretend to shrink it though
+    
+    // Note on the next line we compare it with the size of static_buffer
+    // and not the current size, as that's what is the limiting factor
+    if ( (new_buffer != NULL) || (size > sizeof(static_buffer)) )
+        return EINVAL;
+    
+#endif // ifdef CYGSEM_LIBC_STDIO_DYNAMIC_SETVBUF
+    
+    buffer_top = current_buffer_position = &buffer_bottom[0];
+    buffer_size = size;
+    
+    return ENOERR;
+    
+} // set_buffer()
+
+
+#endif // if defined(CYGSEM_LIBC_STDIO_WANT_BUFFERED_IO)
+
+
+// EOF streambuf.cxx