diff options
Diffstat (limited to 'generic/tclIO.c')
-rw-r--r-- | generic/tclIO.c | 40 |
1 files changed, 18 insertions, 22 deletions
diff --git a/generic/tclIO.c b/generic/tclIO.c index c142917..eaa0aeb 100644 --- a/generic/tclIO.c +++ b/generic/tclIO.c @@ -8115,7 +8115,7 @@ Tcl_NotifyChannel( if ((chPtr->mask & mask) != 0) { nh.nextHandlerPtr = chPtr->nextPtr; - chPtr->proc(chPtr->clientData, mask); + chPtr->proc(chPtr->clientData, chPtr->mask & mask); chPtr = nh.nextHandlerPtr; } else { chPtr = chPtr->nextPtr; @@ -9048,7 +9048,8 @@ MBWrite( ChannelState *outStatePtr = csPtr->writePtr->state; ChannelBuffer *bufPtr = inStatePtr->inQueueHead; ChannelBuffer *tail = NULL; - int code, inBytes = 0; + int code; + Tcl_WideInt inBytes = 0; /* Count up number of bytes waiting in the input queue */ while (bufPtr) { @@ -9063,7 +9064,14 @@ MBWrite( if (bufPtr) { /* Split the overflowing buffer in two */ - int extra = inBytes - csPtr->toRead; + int extra = (int) (inBytes - csPtr->toRead); + /* Note that going with int for extra assumes that inBytes is not too + * much over toRead to require a wide itself. If that gets violated + * then the calculations involving extra must be made wide too. + * + * Noted with Win32/MSVC debug build treating the warning (possible of + * data in int64 to int conversion) as error. + */ bufPtr = AllocChannelBuffer(extra); @@ -9505,34 +9513,22 @@ DoRead( break; } - /* If there is no full buffer, attempt to create and/or fill one. */ - - while (!IsBufferFull(bufPtr)) { - int code; + /* + * If there is not enough data in the buffers to possibly + * complete the read, then go get more. + */ + if (bufPtr == NULL || BytesLeft(bufPtr) < bytesToRead) { moreData: - code = GetInput(chanPtr); - bufPtr = statePtr->inQueueHead; - - assert (bufPtr != NULL); - - if (statePtr->flags & (CHANNEL_EOF|CHANNEL_BLOCKED)) { - /* Further reads cannot do any more */ - break; - } - - if (code) { + if (GetInput(chanPtr)) { /* Read error */ UpdateInterest(chanPtr); TclChannelRelease((Tcl_Channel)chanPtr); return -1; } - - assert (IsBufferFull(bufPtr)); + bufPtr = statePtr->inQueueHead; } - assert (bufPtr != NULL); - bytesRead = BytesLeft(bufPtr); bytesWritten = bytesToRead; |