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-rw-r--r--win/tclWinChan.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/win/tclWinChan.c b/win/tclWinChan.c
index 8a4db89..93596ee 100644
--- a/win/tclWinChan.c
+++ b/win/tclWinChan.c
@@ -1092,7 +1092,7 @@ Tcl_MakeFileChannel(
TclFile readFile = NULL, writeFile = NULL;
BOOL result;
- if (mode == 0) {
+ if ((mode & (TCL_READABLE|TCL_WRITABLE)) == 0) {
return NULL;
}
@@ -1375,7 +1375,7 @@ OpenFileChannel(
for (infoPtr = tsdPtr->firstFilePtr; infoPtr != NULL;
infoPtr = infoPtr->nextPtr) {
if (infoPtr->handle == (HANDLE) handle) {
- return (permissions==infoPtr->validMask) ? infoPtr->channel : NULL;
+ return ((permissions & (TCL_READABLE|TCL_WRITABLE|TCL_EXCEPTION))==infoPtr->validMask) ? infoPtr->channel : NULL;
}
}
@@ -1388,7 +1388,7 @@ OpenFileChannel(
*/
infoPtr->nextPtr = NULL;
- infoPtr->validMask = permissions;
+ infoPtr->validMask = permissions & (TCL_READABLE|TCL_WRITABLE|TCL_EXCEPTION);
infoPtr->watchMask = 0;
infoPtr->flags = appendMode;
infoPtr->handle = handle;