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  • Committer: Martin Pool
  • Date: 2006-10-21 02:33:37 UTC
  • mto: (2091.2.1 jam-integration)
  • mto: This revision was merged to the branch mainline in revision 2092.
  • Revision ID: mbp@sourcefrog.net-20061021023337-e517eaadd87fc778
Avoid MSG_WAITALL as it doesn't work on Windows

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bzrlib/osutils.py
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    if _cached_user_encoding is None:
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        _cached_user_encoding = 'ascii'
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    return _cached_user_encoding
 
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def recv_all(socket, bytes):
 
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    """Receive an exact number of bytes.
 
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    Regular Socket.recv() may return less than the requested number of bytes,
 
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    dependning on what's in the OS buffer.  MSG_WAITALL is not available
 
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    on all platforms, but this should work everywhere.  This will return
 
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    less than the requested amount if the remote end closes.
 
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    This isn't optimized and is intended mostly for use in testing.
 
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    """
 
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    b = ''
 
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    while len(b) < bytes:
 
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        new = socket.recv(bytes - len(b))
 
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        if new == '':
 
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            break # eof
 
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        b += new
 
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    return b
 
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