diff options
Diffstat (limited to 'generic/tclIO.c')
| -rw-r--r-- | generic/tclIO.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/generic/tclIO.c b/generic/tclIO.c index a74cd04..fe5ea86 100644 --- a/generic/tclIO.c +++ b/generic/tclIO.c @@ -10,7 +10,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclIO.c,v 1.137.2.12 2009/10/19 21:59:18 dgp Exp $ + * RCS: @(#) $Id: tclIO.c,v 1.137.2.13 2009/10/23 19:09:02 andreas_kupries Exp $ */ #include "tclInt.h" @@ -2314,8 +2314,12 @@ FlushChannel( */ toWrite = BytesLeft(bufPtr); - written = (chanPtr->typePtr->outputProc)(chanPtr->instanceData, + if (toWrite == 0) { + written = 0; + } else { + written = (chanPtr->typePtr->outputProc)(chanPtr->instanceData, RemovePoint(bufPtr), toWrite, &errorCode); + } /* * If the write failed completely attempt to start the asynchronous |