diff options
Diffstat (limited to 'generic/tclIO.c')
| -rw-r--r-- | generic/tclIO.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/generic/tclIO.c b/generic/tclIO.c index b9c3454..f0553dd 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 1.107 2006/04/05 00:18:50 andreas_kupries Exp $ + * RCS: @(#) $Id: tclIO.c,v 1.108 2006/09/25 21:55:27 andreas_kupries Exp $ */ #include "tclInt.h" @@ -1274,7 +1274,7 @@ Tcl_StackChannel( statePtr = (ChannelState *) tsdPtr->firstCSPtr; prevChanPtr = ((Channel *) prevChan)->state->topChanPtr; - while (statePtr->topChanPtr != prevChanPtr) { + while ((statePtr != NULL) && (statePtr->topChanPtr != prevChanPtr)) { statePtr = statePtr->nextCSPtr; } |