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-rw-r--r--generic/tclIO.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/generic/tclIO.c b/generic/tclIO.c
index ae1b89a..082cf70 100644
--- a/generic/tclIO.c
+++ b/generic/tclIO.c
@@ -9215,8 +9215,8 @@ CopyData(
if ((size == 0) && Tcl_Eof(inChan) && !(cmdPtr && (mask == 0))) {
break;
}
- if (((!Tcl_Eof(inChan)) || (cmdPtr && (mask == 0))) &&
- !(mask & TCL_READABLE)) {
+ if (cmdPtr && (!Tcl_Eof(inChan) || (mask == 0)) &&
+ !(mask & TCL_READABLE)) {
if (mask & TCL_WRITABLE) {
Tcl_DeleteChannelHandler(outChan, CopyEventProc, csPtr);
}