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-rw-r--r--generic/tclIO.c572
1 files changed, 294 insertions, 278 deletions
diff --git a/generic/tclIO.c b/generic/tclIO.c
index e6e11d0..1a2bbfb 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 1.151 2008/12/02 18:23:25 andreas_kupries Exp $
+ * RCS: @(#) $Id: tclIO.c,v 1.152 2008/12/09 14:09:14 dkf Exp $
*/
#include "tclInt.h"
@@ -162,21 +162,21 @@ static void CutChannel(Tcl_Channel chan);
* --------------------------------------------------------------------------
*/
-#define BytesLeft(bufPtr) ((bufPtr)->nextAdded - (bufPtr)->nextRemoved)
+#define BytesLeft(bufPtr) ((bufPtr)->nextAdded - (bufPtr)->nextRemoved)
-#define SpaceLeft(bufPtr) ((bufPtr)->bufLength - (bufPtr)->nextAdded)
+#define SpaceLeft(bufPtr) ((bufPtr)->bufLength - (bufPtr)->nextAdded)
-#define IsBufferReady(bufPtr) ((bufPtr)->nextAdded > (bufPtr)->nextRemoved)
+#define IsBufferReady(bufPtr) ((bufPtr)->nextAdded > (bufPtr)->nextRemoved)
-#define IsBufferEmpty(bufPtr) ((bufPtr)->nextAdded == (bufPtr)->nextRemoved)
+#define IsBufferEmpty(bufPtr) ((bufPtr)->nextAdded == (bufPtr)->nextRemoved)
-#define IsBufferFull(bufPtr) ((bufPtr)->nextAdded >= (bufPtr)->bufLength)
+#define IsBufferFull(bufPtr) ((bufPtr)->nextAdded >= (bufPtr)->bufLength)
-#define IsBufferOverflowing(bufPtr) ((bufPtr)->nextAdded > (bufPtr)->bufLength)
+#define IsBufferOverflowing(bufPtr) ((bufPtr)->nextAdded>(bufPtr)->bufLength)
-#define InsertPoint(bufPtr) ((bufPtr)->buf + (bufPtr)->nextAdded)
+#define InsertPoint(bufPtr) ((bufPtr)->buf + (bufPtr)->nextAdded)
-#define RemovePoint(bufPtr) ((bufPtr)->buf + (bufPtr)->nextRemoved)
+#define RemovePoint(bufPtr) ((bufPtr)->buf + (bufPtr)->nextRemoved)
/*
* For working with channel state flag bits.
@@ -184,6 +184,7 @@ static void CutChannel(Tcl_Channel chan);
#define SetFlag(statePtr, flag) ((statePtr)->flags |= (flag))
#define ResetFlag(statePtr, flag) ((statePtr)->flags &= ~(flag))
+#define GotFlag(statePtr, flag) ((statePtr)->flags & (flag))
/*
* Macro for testing whether a string (in optionName, length len) matches a
@@ -204,7 +205,8 @@ static void CutChannel(Tcl_Channel chan);
*/
static void DupChannelIntRep(Tcl_Obj *objPtr, Tcl_Obj *copyPtr);
-static int SetChannelFromAny(Tcl_Interp *interp, Tcl_Obj *objPtr);
+static int SetChannelFromAny(Tcl_Interp *interp,
+ Tcl_Obj *objPtr);
static void UpdateStringOfChannel(Tcl_Obj *objPtr);
static void FreeChannelIntRep(Tcl_Obj *objPtr);
@@ -230,6 +232,100 @@ static const Tcl_ObjType tclChannelType = {
/*
*---------------------------------------------------------------------------
*
+ * ChanClose, ChanRead, ChanSeek, ChanThreadAction, ChanWatch, ChanWrite --
+ *
+ * Simplify the access to selected channel driver "methods" that are used
+ * in multiple places in a stereotypical fashion. These are just thin
+ * wrappers around the driver functions.
+ *
+ *---------------------------------------------------------------------------
+ */
+
+static inline int
+ChanClose(
+ Channel *chanPtr,
+ Tcl_Interp *interp)
+{
+ if (chanPtr->typePtr->closeProc != TCL_CLOSE2PROC) {
+ return chanPtr->typePtr->closeProc(chanPtr->instanceData, interp);
+ } else {
+ return chanPtr->typePtr->close2Proc(chanPtr->instanceData, interp, 0);
+ }
+}
+
+static inline int
+ChanRead(
+ Channel *chanPtr,
+ char *dst,
+ int dstSize,
+ int *errnoPtr)
+{
+ return chanPtr->typePtr->inputProc(chanPtr->instanceData, dst, dstSize,
+ errnoPtr);
+}
+
+static inline Tcl_WideInt
+ChanSeek(
+ Channel *chanPtr,
+ Tcl_WideInt offset,
+ int mode,
+ int *errnoPtr)
+{
+ /*
+ * Note that we prefer the wideSeekProc if that field is available in the
+ * type and non-NULL.
+ */
+
+ if (HaveVersion(chanPtr->typePtr, TCL_CHANNEL_VERSION_3) &&
+ chanPtr->typePtr->wideSeekProc != NULL) {
+ return chanPtr->typePtr->wideSeekProc(chanPtr->instanceData,
+ offset, mode, errnoPtr);
+ }
+
+ if (offset<Tcl_LongAsWide(LONG_MIN) || offset>Tcl_LongAsWide(LONG_MAX)) {
+ *errnoPtr = EOVERFLOW;
+ return Tcl_LongAsWide(-1);
+ }
+
+ return Tcl_LongAsWide(chanPtr->typePtr->seekProc(chanPtr->instanceData,
+ Tcl_WideAsLong(offset), mode, errnoPtr));
+}
+
+static inline void
+ChanThreadAction(
+ Channel *chanPtr,
+ int action)
+{
+ Tcl_DriverThreadActionProc *threadActionProc =
+ Tcl_ChannelThreadActionProc(chanPtr->typePtr);
+
+ if (threadActionProc != NULL) {
+ threadActionProc(chanPtr->instanceData, action);
+ }
+}
+
+static inline void
+ChanWatch(
+ Channel *chanPtr,
+ int mask)
+{
+ chanPtr->typePtr->watchProc(chanPtr->instanceData, mask);
+}
+
+static inline int
+ChanWrite(
+ Channel *chanPtr,
+ const char *src,
+ int srcLen,
+ int *errnoPtr)
+{
+ return chanPtr->typePtr->outputProc(chanPtr->instanceData, src, srcLen,
+ errnoPtr);
+}
+
+/*
+ *---------------------------------------------------------------------------
+ *
* TclInitIOSubsystem --
*
* Initialize all resources used by this subsystem on a per-process
@@ -299,7 +395,8 @@ TclFinalizeIOSubsystem(void)
statePtr != NULL;
statePtr = statePtr->nextCSPtr) {
chanPtr = statePtr->topChanPtr;
- if (!(statePtr->flags & (CHANNEL_INCLOSE|CHANNEL_CLOSED|CHANNEL_DEAD))) {
+ if (!GotFlag(statePtr, CHANNEL_INCLOSE | CHANNEL_CLOSED |
+ CHANNEL_DEAD)) {
active = 1;
break;
}
@@ -349,12 +446,7 @@ TclFinalizeIOSubsystem(void)
* device for this channel.
*/
- if (chanPtr->typePtr->closeProc != TCL_CLOSE2PROC) {
- chanPtr->typePtr->closeProc(chanPtr->instanceData, NULL);
- } else {
- chanPtr->typePtr->close2Proc(chanPtr->instanceData, NULL,
- 0);
- }
+ (void) ChanClose(chanPtr, NULL);
/*
* Finally, we clean up the fields in the channel data
@@ -396,6 +488,7 @@ Tcl_SetStdChannel(
int type) /* One of TCL_STDIN, TCL_STDOUT, TCL_STDERR. */
{
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
+
switch (type) {
case TCL_STDIN:
tsdPtr->stdinInitialized = 1;
@@ -687,7 +780,7 @@ DeleteChannelTable(
}
Tcl_DeleteChannelHandler((Tcl_Channel) chanPtr,
- TclChannelEventScriptInvoker, (ClientData) sPtr);
+ TclChannelEventScriptInvoker, sPtr);
TclDecrRefCount(sPtr->scriptPtr);
ckfree((char *) sPtr);
@@ -707,7 +800,7 @@ DeleteChannelTable(
SetFlag(statePtr, CHANNEL_TAINTED);
statePtr->refCount--;
if (statePtr->refCount <= 0) {
- if (!(statePtr->flags & BG_FLUSH_SCHEDULED)) {
+ if (!GotFlag(statePtr, BG_FLUSH_SCHEDULED)) {
(void) Tcl_Close(interp, (Tcl_Channel) chanPtr);
}
}
@@ -746,21 +839,19 @@ CheckForStdChannelsBeingClosed(
ChannelState *statePtr = ((Channel *) chan)->state;
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
- if ((chan == tsdPtr->stdinChannel) && (tsdPtr->stdinInitialized)) {
+ if ((chan == tsdPtr->stdinChannel) && tsdPtr->stdinInitialized) {
if (statePtr->refCount < 2) {
statePtr->refCount = 0;
tsdPtr->stdinChannel = NULL;
return;
}
- } else if ((chan == tsdPtr->stdoutChannel)
- && (tsdPtr->stdoutInitialized)) {
+ } else if ((chan == tsdPtr->stdoutChannel) && tsdPtr->stdoutInitialized) {
if (statePtr->refCount < 2) {
statePtr->refCount = 0;
tsdPtr->stdoutChannel = NULL;
return;
}
- } else if ((chan == tsdPtr->stderrChannel)
- && (tsdPtr->stderrInitialized)) {
+ } else if ((chan == tsdPtr->stderrChannel) && tsdPtr->stderrInitialized) {
if (statePtr->refCount < 2) {
statePtr->refCount = 0;
tsdPtr->stderrChannel = NULL;
@@ -894,7 +985,7 @@ Tcl_UnregisterChannel(
statePtr = ((Channel *) chan)->state->bottomChanPtr->state;
- if (statePtr->flags & CHANNEL_INCLOSE) {
+ if (GotFlag(statePtr, CHANNEL_INCLOSE)) {
if (interp != NULL) {
Tcl_AppendResult(interp, "Illegal recursive call to close "
"through close-handler of channel", NULL);
@@ -933,12 +1024,12 @@ Tcl_UnregisterChannel(
SetFlag(statePtr, BUFFER_READY);
}
Tcl_Preserve(statePtr);
- if (!(statePtr->flags & BG_FLUSH_SCHEDULED)) {
+ if (!GotFlag(statePtr, BG_FLUSH_SCHEDULED)) {
/*
* We don't want to re-enter Tcl_Close().
*/
- if (!(statePtr->flags & CHANNEL_CLOSED)) {
+ if (!GotFlag(statePtr, CHANNEL_CLOSED)) {
if (Tcl_Close(interp, chan) != TCL_OK) {
SetFlag(statePtr, CHANNEL_CLOSED);
Tcl_Release(statePtr);
@@ -1147,7 +1238,7 @@ Tcl_GetChannel(
chanPtr = Tcl_GetHashValue(hPtr);
chanPtr = chanPtr->state->bottomChanPtr;
if (modePtr != NULL) {
- *modePtr = (chanPtr->state->flags & (TCL_READABLE|TCL_WRITABLE));
+ *modePtr = chanPtr->state->flags & (TCL_READABLE|TCL_WRITABLE);
}
return (Tcl_Channel) chanPtr;
@@ -1192,10 +1283,10 @@ TclGetChannelFromObj(
}
statePtr = GET_CHANNELSTATE(objPtr);
- *channelPtr = (Tcl_Channel) (statePtr->bottomChanPtr);
+ *channelPtr = (Tcl_Channel) statePtr->bottomChanPtr;
if (modePtr != NULL) {
- *modePtr = (statePtr->flags & (TCL_READABLE|TCL_WRITABLE));
+ *modePtr = statePtr->flags & (TCL_READABLE|TCL_WRITABLE);
}
return TCL_OK;
@@ -1241,7 +1332,7 @@ Tcl_CreateChannel(
* as well.
*/
- assert(sizeof(Tcl_ChannelTypeVersion) == sizeof(Tcl_DriverBlockModeProc*));
+ assert(sizeof(Tcl_ChannelTypeVersion)==sizeof(Tcl_DriverBlockModeProc *));
/*
* JH: We could subsequently memset these to 0 to avoid the numerous
@@ -1322,9 +1413,8 @@ Tcl_CreateChannel(
statePtr->csPtrW = NULL;
statePtr->outputStage = NULL;
- if ((statePtr->encoding != NULL) && (statePtr->flags & TCL_WRITABLE)) {
- statePtr->outputStage = (char *)
- ckalloc((unsigned) (statePtr->bufSize + 2));
+ if ((statePtr->encoding != NULL) && GotFlag(statePtr, TCL_WRITABLE)) {
+ statePtr->outputStage = ckalloc((unsigned) statePtr->bufSize + 2);
}
/*
@@ -1415,7 +1505,8 @@ Tcl_CreateChannel(
Tcl_Channel
Tcl_StackChannel(
Tcl_Interp *interp, /* The interpreter we are working in */
- const Tcl_ChannelType *typePtr, /* The channel type record for the new
+ const Tcl_ChannelType *typePtr,
+ /* The channel type record for the new
* channel. */
ClientData instanceData, /* Instance specific data for the new
* channel. */
@@ -1426,7 +1517,6 @@ Tcl_StackChannel(
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
Channel *chanPtr, *prevChanPtr;
ChannelState *statePtr;
- Tcl_DriverThreadActionProc *threadActionProc;
/*
* Find the given channel (prevChan) in the list of all channels. If we do
@@ -1480,13 +1570,10 @@ Tcl_StackChannel(
*/
if ((mask & TCL_WRITABLE) != 0) {
- CopyState *csPtrR;
- CopyState *csPtrW;
+ CopyState *csPtrR = statePtr->csPtrR;
+ CopyState *csPtrW = statePtr->csPtrW;
- csPtrR = statePtr->csPtrR;
statePtr->csPtrR = NULL;
-
- csPtrW = statePtr->csPtrW;
statePtr->csPtrW = NULL;
if (Tcl_Flush((Tcl_Channel) prevChanPtr) != TCL_OK) {
@@ -1571,10 +1658,7 @@ Tcl_StackChannel(
* time, mangling it.
*/
- threadActionProc = Tcl_ChannelThreadActionProc(chanPtr->typePtr);
- if (threadActionProc != NULL) {
- threadActionProc(chanPtr->instanceData, TCL_CHANNEL_THREAD_INSERT);
- }
+ ChanThreadAction(chanPtr, TCL_CHANNEL_THREAD_INSERT);
return (Tcl_Channel) chanPtr;
}
@@ -1605,7 +1689,6 @@ Tcl_UnstackChannel(
Channel *chanPtr = (Channel *) chan;
ChannelState *statePtr = chanPtr->state;
int result = 0;
- Tcl_DriverThreadActionProc *threadActionProc;
/*
* This operation should occur at the top of a channel stack.
@@ -1631,14 +1714,11 @@ Tcl_UnstackChannel(
* CheckForChannelErrors inside.
*/
- if (statePtr->flags & TCL_WRITABLE) {
- CopyState *csPtrR;
- CopyState *csPtrW;
+ if (GotFlag(statePtr, TCL_WRITABLE)) {
+ CopyState *csPtrR = statePtr->csPtrR;
+ CopyState *csPtrW = statePtr->csPtrW;
- csPtrR = statePtr->csPtrR;
statePtr->csPtrR = NULL;
-
- csPtrW = statePtr->csPtrW;
statePtr->csPtrW = NULL;
if (Tcl_Flush((Tcl_Channel) chanPtr) != TCL_OK) {
@@ -1675,16 +1755,14 @@ Tcl_UnstackChannel(
* 'DiscardInputQueued' on that.
*/
- if ((((statePtr->flags & TCL_READABLE) != 0)) &&
+ if (GotFlag(statePtr, TCL_READABLE) &&
((statePtr->inQueueHead != NULL) ||
(chanPtr->inQueueHead != NULL))) {
-
if ((statePtr->inQueueHead != NULL) &&
(chanPtr->inQueueHead != NULL)) {
statePtr->inQueueTail->nextPtr = chanPtr->inQueueHead;
statePtr->inQueueTail = chanPtr->inQueueTail;
statePtr->inQueueHead = statePtr->inQueueTail;
-
} else if (chanPtr->inQueueHead != NULL) {
statePtr->inQueueHead = chanPtr->inQueueHead;
statePtr->inQueueTail = chanPtr->inQueueTail;
@@ -1708,10 +1786,7 @@ Tcl_UnstackChannel(
* the state which are still active.
*/
- threadActionProc = Tcl_ChannelThreadActionProc(chanPtr->typePtr);
- if (threadActionProc != NULL) {
- threadActionProc(chanPtr->instanceData,TCL_CHANNEL_THREAD_REMOVE);
- }
+ ChanThreadAction(chanPtr, TCL_CHANNEL_THREAD_REMOVE);
statePtr->topChanPtr = downChanPtr;
downChanPtr->upChanPtr = NULL;
@@ -1725,14 +1800,7 @@ Tcl_UnstackChannel(
* Close and free the channel driver state.
*/
- if (chanPtr->typePtr->closeProc != TCL_CLOSE2PROC) {
- result = chanPtr->typePtr->closeProc(chanPtr->instanceData,
- interp);
- } else {
- result = chanPtr->typePtr->close2Proc(chanPtr->instanceData,
- interp, 0);
- }
-
+ result = ChanClose(chanPtr, interp);
chanPtr->typePtr = NULL;
/*
@@ -1967,9 +2035,9 @@ const char *
Tcl_GetChannelName(
Tcl_Channel chan) /* The channel for which to return the name. */
{
- ChannelState *statePtr; /* State of actual channel. */
+ ChannelState *statePtr = ((Channel *) chan)->state;
+ /* State of actual channel. */
- statePtr = ((Channel *) chan)->state;
return statePtr->channelName;
}
@@ -2099,7 +2167,7 @@ RecycleBuffer(
* Only save buffers for the input queue if the channel is readable.
*/
- if (statePtr->flags & TCL_READABLE) {
+ if (GotFlag(statePtr, TCL_READABLE)) {
if (statePtr->inQueueHead == NULL) {
statePtr->inQueueHead = bufPtr;
statePtr->inQueueTail = bufPtr;
@@ -2115,7 +2183,7 @@ RecycleBuffer(
* Only save buffers for the output queue if the channel is writable.
*/
- if (statePtr->flags & TCL_WRITABLE) {
+ if (GotFlag(statePtr, TCL_WRITABLE)) {
if (statePtr->curOutPtr == NULL) {
statePtr->curOutPtr = bufPtr;
goto keepBuffer;
@@ -2188,15 +2256,16 @@ CheckForDeadChannel(
Tcl_Interp *interp, /* For error reporting (can be NULL) */
ChannelState *statePtr) /* The channel state to check. */
{
- if (statePtr->flags & CHANNEL_DEAD) {
- Tcl_SetErrno(EINVAL);
- if (interp) {
- Tcl_AppendResult(interp,
- "unable to access channel: invalid channel", NULL);
- }
- return 1;
+ if (!GotFlag(statePtr, CHANNEL_DEAD)) {
+ return 0;
}
- return 0;
+
+ Tcl_SetErrno(EINVAL);
+ if (interp) {
+ Tcl_AppendResult(interp, "unable to access channel: invalid channel",
+ NULL);
+ }
+ return 1;
}
/*
@@ -2264,7 +2333,7 @@ FlushChannel(
if (((statePtr->curOutPtr != NULL) &&
IsBufferFull(statePtr->curOutPtr))
- || ((statePtr->flags & BUFFER_READY) &&
+ || (GotFlag(statePtr, BUFFER_READY) &&
(statePtr->outQueueHead == NULL))) {
ResetFlag(statePtr, BUFFER_READY);
statePtr->curOutPtr->nextPtr = NULL;
@@ -2283,8 +2352,7 @@ FlushChannel(
* is active, we just return without producing any output.
*/
- if ((!calledFromAsyncFlush) &&
- (statePtr->flags & BG_FLUSH_SCHEDULED)) {
+ if (!calledFromAsyncFlush && GotFlag(statePtr, BG_FLUSH_SCHEDULED)) {
return 0;
}
@@ -2293,7 +2361,7 @@ FlushChannel(
*/
if (bufPtr == NULL) {
- break; /* Out of the "while (1)". */
+ break; /* Out of the "while (1)". */
}
/*
@@ -2301,8 +2369,7 @@ FlushChannel(
*/
toWrite = BytesLeft(bufPtr);
- written = chanPtr->typePtr->outputProc(chanPtr->instanceData,
- RemovePoint(bufPtr), toWrite, &errorCode);
+ written = ChanWrite(chanPtr, RemovePoint(bufPtr),toWrite, &errorCode);
/*
* If the write failed completely attempt to start the asynchronous
@@ -2333,7 +2400,7 @@ FlushChannel(
* it's a tty channel (dup'ed underneath)
*/
- if (!(statePtr->flags & BG_FLUSH_SCHEDULED)) {
+ if (!GotFlag(statePtr, BG_FLUSH_SCHEDULED)) {
SetFlag(statePtr, BG_FLUSH_SCHEDULED);
UpdateInterest(chanPtr);
}
@@ -2383,7 +2450,8 @@ FlushChannel(
Tcl_SetErrno(errorCode);
if (interp != NULL && !TclChanCaughtErrorBypass(interp,
(Tcl_Channel) chanPtr)) {
- Tcl_SetObjResult(interp, Tcl_NewStringObj(Tcl_PosixError(interp), -1));
+ Tcl_SetObjResult(interp,
+ Tcl_NewStringObj(Tcl_PosixError(interp), -1));
}
/*
@@ -2425,13 +2493,12 @@ FlushChannel(
* data has been flushed at the system level.
*/
- if (statePtr->flags & BG_FLUSH_SCHEDULED) {
+ if (GotFlag(statePtr, BG_FLUSH_SCHEDULED)) {
if (wroteSome) {
return errorCode;
} else if (statePtr->outQueueHead == NULL) {
ResetFlag(statePtr, BG_FLUSH_SCHEDULED);
- chanPtr->typePtr->watchProc(chanPtr->instanceData,
- statePtr->interestMask);
+ ChanWatch(chanPtr, statePtr->interestMask);
}
}
@@ -2441,7 +2508,7 @@ FlushChannel(
* current output buffer.
*/
- if ((statePtr->flags & CHANNEL_CLOSED) && (statePtr->refCount <= 0) &&
+ if (GotFlag(statePtr, CHANNEL_CLOSED) && (statePtr->refCount <= 0) &&
(statePtr->outQueueHead == NULL) &&
((statePtr->curOutPtr == NULL) ||
IsBufferEmpty(statePtr->curOutPtr))) {
@@ -2517,11 +2584,11 @@ CloseChannel(
* device.
*/
- if ((statePtr->outEofChar != 0) && (statePtr->flags & TCL_WRITABLE)) {
+ if ((statePtr->outEofChar != 0) && GotFlag(statePtr, TCL_WRITABLE)) {
int dummy;
char c = (char) statePtr->outEofChar;
- chanPtr->typePtr->outputProc(chanPtr->instanceData, &c, 1, &dummy);
+ (void) ChanWrite(chanPtr, &c, 1, &dummy);
}
/*
@@ -2549,12 +2616,7 @@ CloseChannel(
* This may leave a TIP #219 error message in the interp.
*/
- if (chanPtr->typePtr->closeProc != TCL_CLOSE2PROC) {
- result = chanPtr->typePtr->closeProc(chanPtr->instanceData, interp);
- } else {
- result = chanPtr->typePtr->close2Proc(chanPtr->instanceData, interp,
- 0);
- }
+ result = ChanClose(chanPtr, interp);
/*
* Some resources can be cleared only if the bottom channel in a stack is
@@ -2678,7 +2740,6 @@ CutChannel(
* the list on close. */
ChannelState *statePtr = ((Channel *) chan)->state;
/* State of the channel stack. */
- Tcl_DriverThreadActionProc *threadActionProc;
/*
* Remove this channel from of the list of all channels (in the current
@@ -2705,11 +2766,7 @@ CutChannel(
* TIP #218, Channel Thread Actions
*/
- threadActionProc = Tcl_ChannelThreadActionProc(Tcl_GetChannelType(chan));
- if (threadActionProc != NULL) {
- threadActionProc(Tcl_GetChannelInstanceData(chan),
- TCL_CHANNEL_THREAD_REMOVE);
- }
+ ChanThreadAction((Channel *) chan, TCL_CHANNEL_THREAD_REMOVE);
}
void
@@ -2724,7 +2781,6 @@ Tcl_CutChannel(
* the list on close. */
ChannelState *statePtr = chanPtr->state;
/* State of the channel stack. */
- Tcl_DriverThreadActionProc *threadActionProc;
/*
* Remove this channel from of the list of all channels (in the current
@@ -2752,12 +2808,8 @@ Tcl_CutChannel(
* For all transformations and the base channel.
*/
- while (chanPtr) {
- threadActionProc = Tcl_ChannelThreadActionProc(chanPtr->typePtr);
- if (threadActionProc != NULL) {
- threadActionProc(chanPtr->instanceData,TCL_CHANNEL_THREAD_REMOVE);
- }
- chanPtr= chanPtr->upChanPtr;
+ for (; chanPtr != NULL ; chanPtr = chanPtr->upChanPtr) {
+ ChanThreadAction(chanPtr, TCL_CHANNEL_THREAD_REMOVE);
}
}
@@ -2794,7 +2846,6 @@ SpliceChannel(
{
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
ChannelState *statePtr = ((Channel *) chan)->state;
- Tcl_DriverThreadActionProc *threadActionProc;
if (statePtr->nextCSPtr != NULL) {
Tcl_Panic("SpliceChannel: trying to add channel used in different list");
@@ -2815,11 +2866,7 @@ SpliceChannel(
* TIP #218, Channel Thread Actions
*/
- threadActionProc = Tcl_ChannelThreadActionProc(Tcl_GetChannelType(chan));
- if (threadActionProc != NULL) {
- threadActionProc(Tcl_GetChannelInstanceData(chan),
- TCL_CHANNEL_THREAD_INSERT);
- }
+ ChanThreadAction((Channel *) chan, TCL_CHANNEL_THREAD_INSERT);
}
void
@@ -2830,7 +2877,6 @@ Tcl_SpliceChannel(
Channel *chanPtr = ((Channel *) chan)->state->bottomChanPtr;
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
ChannelState *statePtr = chanPtr->state;
- Tcl_DriverThreadActionProc *threadActionProc;
if (statePtr->nextCSPtr != NULL) {
Tcl_Panic("SpliceChannel: trying to add channel used in different list");
@@ -2852,12 +2898,8 @@ Tcl_SpliceChannel(
* For all transformations and the base channel.
*/
- while (chanPtr) {
- threadActionProc = Tcl_ChannelThreadActionProc(chanPtr->typePtr);
- if (threadActionProc != NULL) {
- threadActionProc(chanPtr->instanceData,TCL_CHANNEL_THREAD_INSERT);
- }
- chanPtr= chanPtr->upChanPtr;
+ for (; chanPtr != NULL ; chanPtr = chanPtr->upChanPtr) {
+ ChanThreadAction(chanPtr, TCL_CHANNEL_THREAD_INSERT);
}
}
@@ -2923,7 +2965,7 @@ Tcl_Close(
Tcl_Panic("called Tcl_Close on channel with refCount > 0");
}
- if (statePtr->flags & CHANNEL_INCLOSE) {
+ if (GotFlag(statePtr, CHANNEL_INCLOSE)) {
if (interp) {
Tcl_AppendResult(interp, "Illegal recursive call to close "
"through close-handler of channel", NULL);
@@ -3219,9 +3261,7 @@ Tcl_WriteRaw(
* The code was stolen from 'FlushChannel'.
*/
- written = chanPtr->typePtr->outputProc(chanPtr->instanceData, src,
- srcLen, &errorCode);
-
+ written = ChanWrite(chanPtr, src, srcLen, &errorCode);
if (written < 0) {
Tcl_SetErrno(errorCode);
}
@@ -3322,12 +3362,13 @@ DoWriteChars(
* be extended to more efficient translation of the src string.
*/
- int result;
+ int result;
if ((len == 1) && (UCHAR(*src) < 0xC0)) {
result = WriteBytes(chanPtr, src, len);
} else {
Tcl_Obj *objPtr = Tcl_NewStringObj(src, len);
+
src = (char *) Tcl_GetByteArrayFromObj(objPtr, &len);
result = WriteBytes(chanPtr, src, len);
TclDecrRefCount(objPtr);
@@ -3427,8 +3468,8 @@ WriteBytes(
total = 0;
sawLF = 0;
savedLF = 0;
- translate = (statePtr->flags & CHANNEL_LINEBUFFERED)
- || (statePtr->outputTranslation != TCL_TRANSLATE_LF);
+ translate = GotFlag(statePtr, CHANNEL_LINEBUFFERED)
+ || (statePtr->outputTranslation != TCL_TRANSLATE_LF);
/*
* Loop over all bytes in src, storing them in output buffer with proper
@@ -3537,8 +3578,8 @@ WriteChars(
endEncoding = ((statePtr->outputEncodingFlags & TCL_ENCODING_END) != 0);
- translate = (statePtr->flags & CHANNEL_LINEBUFFERED)
- || (statePtr->outputTranslation != TCL_TRANSLATE_LF);
+ translate = GotFlag(statePtr, CHANNEL_LINEBUFFERED)
+ || (statePtr->outputTranslation != TCL_TRANSLATE_LF);
/*
* Loop over all UTF-8 characters in src, storing them in staging buffer
@@ -3561,16 +3602,17 @@ WriteChars(
if (savedLF) {
/*
* A '\n' was left over from last call to TranslateOutputEOL()
- * and we need to store it in the staging buffer. If the channel
- * is line-based, we will need to flush the output buffer (after
- * translating the staging buffer).
+ * and we need to store it in the staging buffer. If the
+ * channel is line-based, we will need to flush the output
+ * buffer (after translating the staging buffer).
*/
*stage++ = '\n';
stageLen--;
sawLF++;
}
- if (TranslateOutputEOL(statePtr, stage, src, &stageLen, &toWrite)) {
+ if (TranslateOutputEOL(statePtr, stage, src, &stageLen,
+ &toWrite)) {
sawLF++;
}
@@ -3863,18 +3905,18 @@ CheckFlush(
* 3. if it contains any output and this channel is unbuffered.
*/
- if ((statePtr->flags & BUFFER_READY) == 0) {
+ if (!GotFlag(statePtr, BUFFER_READY)) {
if (IsBufferFull(bufPtr)) {
SetFlag(statePtr, BUFFER_READY);
- } else if (statePtr->flags & CHANNEL_LINEBUFFERED) {
+ } else if (GotFlag(statePtr, CHANNEL_LINEBUFFERED)) {
if (newlineFlag != 0) {
SetFlag(statePtr, BUFFER_READY);
}
- } else if (statePtr->flags & CHANNEL_UNBUFFERED) {
+ } else if (GotFlag(statePtr, CHANNEL_UNBUFFERED)) {
SetFlag(statePtr, BUFFER_READY);
}
}
- if (statePtr->flags & BUFFER_READY) {
+ if (GotFlag(statePtr, BUFFER_READY)) {
if (FlushChannel(NULL, chanPtr, 0) != 0) {
return -1;
}
@@ -4125,7 +4167,7 @@ Tcl_GetsObj(
case TCL_TRANSLATE_AUTO:
eol = dst;
skip = 1;
- if (statePtr->flags & INPUT_SAW_CR) {
+ if (GotFlag(statePtr, INPUT_SAW_CR)) {
ResetFlag(statePtr, INPUT_SAW_CR);
if ((eol < dstEnd) && (*eol == '\n')) {
/*
@@ -4193,7 +4235,7 @@ Tcl_GetsObj(
SetFlag(statePtr, CHANNEL_EOF | CHANNEL_STICKY_EOF);
statePtr->inputEncodingFlags |= TCL_ENCODING_END;
}
- if (statePtr->flags & CHANNEL_EOF) {
+ if (GotFlag(statePtr, CHANNEL_EOF)) {
skip = 0;
eol = dstEnd;
if (eol == objPtr->bytes + oldLength) {
@@ -4350,7 +4392,11 @@ TclGetsObjBinary(
skip = 0;
eof = NULL;
inEofChar = statePtr->inEofChar;
- /* Only handle TCL_TRANSLATE_LF and TCL_TRANSLATE_CR */
+
+ /*
+ * Only handle TCL_TRANSLATE_LF and TCL_TRANSLATE_CR.
+ */
+
eolChar = (statePtr->inputTranslation == TCL_TRANSLATE_LF) ? '\n' : '\r';
while (1) {
@@ -4373,8 +4419,8 @@ TclGetsObjBinary(
* device. Side effect is to allocate another channel buffer.
*/
- if (statePtr->flags & CHANNEL_BLOCKED) {
- if (statePtr->flags & CHANNEL_NONBLOCKING) {
+ if (GotFlag(statePtr, CHANNEL_BLOCKED)) {
+ if (GotFlag(statePtr, CHANNEL_NONBLOCKING)) {
goto restore;
}
ResetFlag(statePtr, CHANNEL_BLOCKED);
@@ -4425,7 +4471,7 @@ TclGetsObjBinary(
SetFlag(statePtr, CHANNEL_EOF | CHANNEL_STICKY_EOF);
statePtr->inputEncodingFlags |= TCL_ENCODING_END;
}
- if (statePtr->flags & CHANNEL_EOF) {
+ if (GotFlag(statePtr, CHANNEL_EOF)) {
skip = 0;
eol = dstEnd;
if ((dst == dstEnd) && (byteLen == oldLength)) {
@@ -4624,8 +4670,8 @@ FilterInputBytes(
*/
read:
- if (statePtr->flags & CHANNEL_BLOCKED) {
- if (statePtr->flags & CHANNEL_NONBLOCKING) {
+ if (GotFlag(statePtr, CHANNEL_BLOCKED)) {
+ if (GotFlag(statePtr, CHANNEL_NONBLOCKING)) {
gsPtr->charsWrote = 0;
gsPtr->rawRead = 0;
return -1;
@@ -4701,7 +4747,7 @@ FilterInputBytes(
* returning those UTF-8 characters because a EOL might be
* present in them.
*/
- } else if (statePtr->flags & CHANNEL_EOF) {
+ } else if (GotFlag(statePtr, CHANNEL_EOF)) {
/*
* There was a partial character followed by EOF on the
* device. Fall through, returning that nothing was found.
@@ -4790,7 +4836,7 @@ PeekAhead(
goto cleanup;
}
- if ((statePtr->flags & CHANNEL_NONBLOCKING) == 0) {
+ if (!GotFlag(statePtr, CHANNEL_NONBLOCKING)) {
blockModeProc = Tcl_ChannelBlockModeProc(chanPtr->typePtr);
if (blockModeProc == NULL) {
/*
@@ -4986,11 +5032,11 @@ Tcl_ReadRaw(
copiedNow = CopyBuffer(chanPtr, bufPtr + copied,
bytesToRead - copied);
if (copiedNow == 0) {
- if (statePtr->flags & CHANNEL_EOF) {
+ if (GotFlag(statePtr, CHANNEL_EOF)) {
goto done;
}
- if (statePtr->flags & CHANNEL_BLOCKED) {
- if (statePtr->flags & CHANNEL_NONBLOCKING) {
+ if (GotFlag(statePtr, CHANNEL_BLOCKED)) {
+ if (GotFlag(statePtr, CHANNEL_NONBLOCKING)) {
goto done;
}
ResetFlag(statePtr, CHANNEL_BLOCKED);
@@ -5004,9 +5050,9 @@ Tcl_ReadRaw(
* and only if we are sure to have data.
*/
- if ((statePtr->flags & CHANNEL_NONBLOCKING) &&
+ if (GotFlag(statePtr, CHANNEL_NONBLOCKING) &&
(Tcl_ChannelBlockModeProc(chanPtr->typePtr) == NULL) &&
- !(statePtr->flags & CHANNEL_HAS_MORE_DATA)) {
+ !GotFlag(statePtr, CHANNEL_HAS_MORE_DATA)) {
/*
* We bypass the driver; it would block as no data is
* available.
@@ -5014,9 +5060,9 @@ Tcl_ReadRaw(
nread = -1;
result = EWOULDBLOCK;
- } else {
+ } else
#endif /* TCL_IO_TRACK_OS_FOR_DRIVER_WITH_BAD_BLOCKING */
-
+ {
/*
* Now go to the driver to get as much as is possible to fill
* the remaining request. Do all the error handling by
@@ -5026,12 +5072,9 @@ Tcl_ReadRaw(
* The case of 'bytesToRead == 0' at this point cannot happen.
*/
- nread = chanPtr->typePtr->inputProc(chanPtr->instanceData,
- bufPtr + copied, bytesToRead - copied, &result);
-
-#ifdef TCL_IO_TRACK_OS_FOR_DRIVER_WITH_BAD_BLOCKING
+ nread = ChanRead(chanPtr, bufPtr + copied,
+ bytesToRead - copied, &result);
}
-#endif /* TCL_IO_TRACK_OS_FOR_DRIVER_WITH_BAD_BLOCKING */
if (nread > 0) {
/*
@@ -5055,7 +5098,6 @@ Tcl_ReadRaw(
ResetFlag(statePtr, CHANNEL_HAS_MORE_DATA);
}
#endif /* TCL_IO_TRACK_OS_FOR_DRIVER_WITH_BAD_BLOCKING */
-
} else if (nread == 0) {
SetFlag(statePtr, CHANNEL_EOF);
statePtr->inputEncodingFlags |= TCL_ENCODING_END;
@@ -5231,9 +5273,8 @@ DoReadChars(
bufPtr = statePtr->inQueueHead;
if (IsBufferEmpty(bufPtr)) {
- ChannelBuffer *nextPtr;
+ ChannelBuffer *nextPtr = bufPtr->nextPtr;
- nextPtr = bufPtr->nextPtr;
RecycleBuffer(statePtr, bufPtr, 0);
statePtr->inQueueHead = nextPtr;
if (nextPtr == NULL) {
@@ -5243,11 +5284,11 @@ DoReadChars(
}
if (copiedNow < 0) {
- if (statePtr->flags & CHANNEL_EOF) {
+ if (GotFlag(statePtr, CHANNEL_EOF)) {
break;
}
- if (statePtr->flags & CHANNEL_BLOCKED) {
- if (statePtr->flags & CHANNEL_NONBLOCKING) {
+ if (GotFlag(statePtr, CHANNEL_BLOCKED)) {
+ if (GotFlag(statePtr, CHANNEL_NONBLOCKING)) {
break;
}
ResetFlag(statePtr, CHANNEL_BLOCKED);
@@ -5359,7 +5400,7 @@ ReadBytes(
}
dst += offset;
- if (statePtr->flags & INPUT_NEED_NL) {
+ if (GotFlag(statePtr, INPUT_NEED_NL)) {
ResetFlag(statePtr, INPUT_NEED_NL);
if ((srcLen == 0) || (*src != '\n')) {
*dst = '\r';
@@ -5449,7 +5490,7 @@ ReadChars(
srcLen = BytesLeft(bufPtr);
toRead = charsToRead;
- if ((unsigned)toRead > (unsigned)srcLen) {
+ if ((unsigned) toRead > (unsigned) srcLen) {
toRead = srcLen;
}
@@ -5534,7 +5575,7 @@ ReadChars(
}
oldState = statePtr->inputEncodingState;
- if (statePtr->flags & INPUT_NEED_NL) {
+ if (GotFlag(statePtr, INPUT_NEED_NL)) {
/*
* We want a '\n' because the last character we saw was '\r'.
*/
@@ -5650,16 +5691,15 @@ ReadChars(
* '\n' in dst.
*/
- numChars -= (dstRead - dstWrote);
+ numChars -= dstRead - dstWrote;
if ((unsigned) numChars > (unsigned) toRead) {
/*
* Got too many chars.
*/
- const char *eof;
+ const char *eof = Tcl_UtfAtIndex(dst, toRead);
- eof = Tcl_UtfAtIndex(dst, toRead);
statePtr->inputEncodingState = oldState;
Tcl_ExternalToUtf(NULL, statePtr->encoding, src, srcLen,
statePtr->inputEncodingFlags, &statePtr->inputEncodingState,
@@ -5727,9 +5767,8 @@ TranslateInputEOL(
* buffer.
*/
- const char *src, *srcMax;
+ const char *src, *srcMax = srcStart + *srcLenPtr;
- srcMax = srcStart + *srcLenPtr;
for (src = srcStart; src < srcMax; src++) {
if (*src == inEofChar) {
eof = src;
@@ -5800,7 +5839,7 @@ TranslateInputEOL(
srcEnd = srcStart + dstLen;
srcMax = srcStart + *srcLenPtr;
- if ((statePtr->flags & INPUT_SAW_CR) && (src < srcMax)) {
+ if (GotFlag(statePtr, INPUT_SAW_CR) && (src < srcMax)) {
if (*src == '\n') {
src++;
}
@@ -5905,7 +5944,7 @@ Tcl_Ungets(
* bit. We want to discover these conditions anew in each operation.
*/
- if (statePtr->flags & CHANNEL_STICKY_EOF) {
+ if (GotFlag(statePtr, CHANNEL_STICKY_EOF)) {
goto done;
}
ResetFlag(statePtr, CHANNEL_BLOCKED | CHANNEL_EOF);
@@ -6162,7 +6201,7 @@ GetInput(
* platforms it is impossible to read from a device after EOF.
*/
- if (statePtr->flags & CHANNEL_EOF) {
+ if (GotFlag(statePtr, CHANNEL_EOF)) {
return 0;
}
@@ -6174,24 +6213,20 @@ GetInput(
* sure to have data.
*/
- if ((statePtr->flags & CHANNEL_NONBLOCKING) &&
+ if (GotFlag(statePtr, CHANNEL_NONBLOCKING) &&
(Tcl_ChannelBlockModeProc(chanPtr->typePtr) == NULL) &&
- !(statePtr->flags & CHANNEL_HAS_MORE_DATA)) {
+ !GotFlag(statePtr, CHANNEL_HAS_MORE_DATA)) {
/*
* Bypass the driver, it would block, as no data is available
*/
nread = -1;
result = EWOULDBLOCK;
- } else {
+ } else
#endif /* TCL_IO_TRACK_OS_FOR_DRIVER_WITH_BAD_BLOCKING */
-
- nread = chanPtr->typePtr->inputProc(chanPtr->instanceData,
- InsertPoint(bufPtr), toRead, &result);
-
-#ifdef TCL_IO_TRACK_OS_FOR_DRIVER_WITH_BAD_BLOCKING
+ {
+ nread = ChanRead(chanPtr, InsertPoint(bufPtr), toRead, &result);
}
-#endif /* TCL_IO_TRACK_OS_FOR_DRIVER_WITH_BAD_BLOCKING */
if (nread > 0) {
bufPtr->nextAdded += nread;
@@ -6217,7 +6252,6 @@ GetInput(
ResetFlag(statePtr, CHANNEL_HAS_MORE_DATA);
}
#endif /* TCL_IO_TRACK_OS_FOR_DRIVER_WITH_BAD_BLOCKING */
-
} else if (nread == 0) {
SetFlag(statePtr, CHANNEL_EOF);
statePtr->inputEncodingFlags |= TCL_ENCODING_END;
@@ -6333,8 +6367,8 @@ Tcl_Seek(
* point. Also clear CR related flags.
*/
- statePtr->flags &=
- ~(CHANNEL_EOF | CHANNEL_STICKY_EOF | CHANNEL_BLOCKED | INPUT_SAW_CR);
+ ResetFlag(statePtr, CHANNEL_EOF | CHANNEL_STICKY_EOF | CHANNEL_BLOCKED |
+ INPUT_SAW_CR);
/*
* If the channel is in asynchronous output mode, switch it back to
@@ -6344,14 +6378,14 @@ Tcl_Seek(
*/
wasAsync = 0;
- if (statePtr->flags & CHANNEL_NONBLOCKING) {
+ if (GotFlag(statePtr, CHANNEL_NONBLOCKING)) {
wasAsync = 1;
result = StackSetBlockMode(chanPtr, TCL_MODE_BLOCKING);
if (result != 0) {
return Tcl_LongAsWide(-1);
}
ResetFlag(statePtr, CHANNEL_NONBLOCKING);
- if (statePtr->flags & BG_FLUSH_SCHEDULED) {
+ if (GotFlag(statePtr, BG_FLUSH_SCHEDULED)) {
ResetFlag(statePtr, BG_FLUSH_SCHEDULED);
}
}
@@ -6378,23 +6412,10 @@ Tcl_Seek(
} else {
/*
* Now seek to the new position in the channel as requested by the
- * caller. Note that we prefer the wideSeekProc if that is available
- * and non-NULL...
+ * caller.
*/
- if (HaveVersion(chanPtr->typePtr, TCL_CHANNEL_VERSION_3) &&
- chanPtr->typePtr->wideSeekProc != NULL) {
- curPos = chanPtr->typePtr->wideSeekProc(chanPtr->instanceData,
- offset, mode, &result);
- } else if (offset < Tcl_LongAsWide(LONG_MIN) ||
- offset > Tcl_LongAsWide(LONG_MAX)) {
- result = EOVERFLOW;
- curPos = Tcl_LongAsWide(-1);
- } else {
- curPos = Tcl_LongAsWide(chanPtr->typePtr->seekProc(
- chanPtr->instanceData, Tcl_WideAsLong(offset), mode,
- &result));
- }
+ curPos = ChanSeek(chanPtr, offset, mode, &result);
if (curPos == Tcl_LongAsWide(-1)) {
Tcl_SetErrno(result);
}
@@ -6500,14 +6521,7 @@ Tcl_Tell(
* wideSeekProc if that is available and non-NULL...
*/
- if (HaveVersion(chanPtr->typePtr, TCL_CHANNEL_VERSION_3) &&
- chanPtr->typePtr->wideSeekProc != NULL) {
- curPos = chanPtr->typePtr->wideSeekProc(chanPtr->instanceData,
- Tcl_LongAsWide(0), SEEK_CUR, &result);
- } else {
- curPos = Tcl_LongAsWide(chanPtr->typePtr->seekProc(
- chanPtr->instanceData, 0, SEEK_CUR, &result));
- }
+ curPos = ChanSeek(chanPtr, Tcl_LongAsWide(0), SEEK_CUR, &result);
if (curPos == Tcl_LongAsWide(-1)) {
Tcl_SetErrno(result);
return Tcl_LongAsWide(-1);
@@ -6545,19 +6559,18 @@ Tcl_SeekOld(
{
Tcl_WideInt wOffset, wResult;
- wOffset = Tcl_LongAsWide((long)offset);
+ wOffset = Tcl_LongAsWide((long) offset);
wResult = Tcl_Seek(chan, wOffset, mode);
- return (int)Tcl_WideAsLong(wResult);
+ return (int) Tcl_WideAsLong(wResult);
}
int
Tcl_TellOld(
Tcl_Channel chan) /* The channel to return pos for. */
{
- Tcl_WideInt wResult;
+ Tcl_WideInt wResult = Tcl_Tell(chan);
- wResult = Tcl_Tell(chan);
- return (int)Tcl_WideAsLong(wResult);
+ return (int) Tcl_WideAsLong(wResult);
}
/*
@@ -6598,7 +6611,7 @@ Tcl_TruncateChannel(
return TCL_ERROR;
}
- if (!(chanPtr->state->flags & TCL_WRITABLE)) {
+ if (!GotFlag(chanPtr->state, TCL_WRITABLE)) {
/*
* We require that the file was opened of writing. Do that check now
* so that we only flush if we think we're going to succeed.
@@ -6613,7 +6626,7 @@ Tcl_TruncateChannel(
* pre-read input data.
*/
- if (Tcl_Seek(chan, (Tcl_WideInt)0, SEEK_CUR) == Tcl_LongAsWide(-1)) {
+ if (Tcl_Seek(chan, (Tcl_WideInt) 0, SEEK_CUR) == Tcl_LongAsWide(-1)) {
return TCL_ERROR;
}
@@ -6684,8 +6697,7 @@ CheckChannelErrors(
* order to drain data from stacked channels.
*/
- if ((statePtr->flags & CHANNEL_CLOSED) &&
- ((flags & CHANNEL_RAW_MODE) == 0)) {
+ if (GotFlag(statePtr, CHANNEL_CLOSED) && !(flags & CHANNEL_RAW_MODE)) {
Tcl_SetErrno(EACCES);
return -1;
}
@@ -6720,7 +6732,7 @@ CheckChannelErrors(
* discover these conditions anew in each operation.
*/
- if ((statePtr->flags & CHANNEL_STICKY_EOF) == 0) {
+ if (!GotFlag(statePtr, CHANNEL_STICKY_EOF)) {
ResetFlag(statePtr, CHANNEL_EOF);
}
ResetFlag(statePtr, CHANNEL_BLOCKED | CHANNEL_NEED_MORE_DATA);
@@ -6752,8 +6764,8 @@ Tcl_Eof(
ChannelState *statePtr = ((Channel *) chan)->state;
/* State of real channel structure. */
- return ((statePtr->flags & CHANNEL_STICKY_EOF) ||
- ((statePtr->flags & CHANNEL_EOF) &&
+ return (GotFlag(statePtr, CHANNEL_STICKY_EOF) ||
+ (GotFlag(statePtr, CHANNEL_EOF) &&
(Tcl_InputBuffered(chan) == 0))) ? 1 : 0;
}
@@ -6780,7 +6792,7 @@ Tcl_InputBlocked(
ChannelState *statePtr = ((Channel *) chan)->state;
/* State of real channel structure. */
- return (statePtr->flags & CHANNEL_BLOCKED) ? 1 : 0;
+ return GotFlag(statePtr, CHANNEL_BLOCKED) ? 1 : 0;
}
/*
@@ -6933,9 +6945,9 @@ Tcl_SetChannelBufferSize(
*/
if (sz < 1) {
- sz = 1;
+ sz = 1;
} else if (sz > MAX_CHANNEL_BUFFER_SIZE) {
- sz = MAX_CHANNEL_BUFFER_SIZE;
+ sz = MAX_CHANNEL_BUFFER_SIZE;
}
statePtr = ((Channel *) chan)->state;
@@ -6945,9 +6957,8 @@ Tcl_SetChannelBufferSize(
ckfree((char *) statePtr->outputStage);
statePtr->outputStage = NULL;
}
- if ((statePtr->encoding != NULL) && (statePtr->flags & TCL_WRITABLE)) {
- statePtr->outputStage = (char *)
- ckalloc((unsigned) (statePtr->bufSize + 2));
+ if ((statePtr->encoding != NULL) && GotFlag(statePtr, TCL_WRITABLE)) {
+ statePtr->outputStage = ckalloc((unsigned) statePtr->bufSize + 2);
}
}
@@ -7103,9 +7114,9 @@ Tcl_GetChannelOption(
*/
if (statePtr->csPtrR) {
- flags = statePtr->csPtrR->readFlags;
+ flags = statePtr->csPtrR->readFlags;
} else if (statePtr->csPtrW) {
- flags = statePtr->csPtrW->writeFlags;
+ flags = statePtr->csPtrW->writeFlags;
} else {
flags = statePtr->flags;
}
@@ -7357,8 +7368,7 @@ Tcl_SetChannelOption(
} else if (HaveOpt(7, "-buffering")) {
len = strlen(newValue);
if ((newValue[0] == 'f') && (strncmp(newValue, "full", len) == 0)) {
- statePtr->flags &=
- ~(CHANNEL_UNBUFFERED|CHANNEL_LINEBUFFERED);
+ ResetFlag(statePtr, CHANNEL_UNBUFFERED | CHANNEL_LINEBUFFERED);
} else if ((newValue[0] == 'l') &&
(strncmp(newValue, "line", len) == 0)) {
ResetFlag(statePtr, CHANNEL_UNBUFFERED);
@@ -7423,6 +7433,7 @@ Tcl_SetChannelOption(
int outIndex = (argc - 1);
int inValue = (int) argv[0][0];
int outValue = (int) argv[outIndex][0];
+
if (inValue & 0x80 || outValue & 0x80) {
if (interp) {
Tcl_AppendResult(interp, "bad value for -eofchar: ",
@@ -7431,10 +7442,10 @@ Tcl_SetChannelOption(
ckfree((char *) argv);
return TCL_ERROR;
}
- if (statePtr->flags & TCL_READABLE) {
+ if (GotFlag(statePtr, TCL_READABLE)) {
statePtr->inEofChar = inValue;
}
- if (statePtr->flags & TCL_WRITABLE) {
+ if (GotFlag(statePtr, TCL_WRITABLE)) {
statePtr->outEofChar = outValue;
}
} else {
@@ -7456,9 +7467,7 @@ Tcl_SetChannelOption(
* ahead'. Ditto for blocked.
*/
- statePtr->flags &=
- ~(CHANNEL_EOF | CHANNEL_STICKY_EOF | CHANNEL_BLOCKED);
-
+ ResetFlag(statePtr, CHANNEL_EOF|CHANNEL_STICKY_EOF|CHANNEL_BLOCKED);
return TCL_OK;
} else if (HaveOpt(1, "-translation")) {
const char *readMode, *writeMode;
@@ -7468,11 +7477,11 @@ Tcl_SetChannelOption(
}
if (argc == 1) {
- readMode = (statePtr->flags & TCL_READABLE) ? argv[0] : NULL;
- writeMode = (statePtr->flags & TCL_WRITABLE) ? argv[0] : NULL;
+ readMode = GotFlag(statePtr, TCL_READABLE) ? argv[0] : NULL;
+ writeMode = GotFlag(statePtr, TCL_WRITABLE) ? argv[0] : NULL;
} else if (argc == 2) {
- readMode = (statePtr->flags & TCL_READABLE) ? argv[0] : NULL;
- writeMode = (statePtr->flags & TCL_WRITABLE) ? argv[1] : NULL;
+ readMode = GotFlag(statePtr, TCL_READABLE) ? argv[0] : NULL;
+ writeMode = GotFlag(statePtr, TCL_WRITABLE) ? argv[1] : NULL;
} else {
if (interp) {
Tcl_AppendResult(interp,
@@ -7485,6 +7494,7 @@ Tcl_SetChannelOption(
if (readMode) {
TclEolTranslation translation;
+
if (*readMode == '\0') {
translation = statePtr->inputTranslation;
} else if (strcmp(readMode, "auto") == 0) {
@@ -7597,7 +7607,7 @@ Tcl_SetChannelOption(
ckfree(statePtr->outputStage);
statePtr->outputStage = NULL;
}
- if ((statePtr->encoding != NULL) && (statePtr->flags & TCL_WRITABLE)) {
+ if ((statePtr->encoding != NULL) && GotFlag(statePtr, TCL_WRITABLE)) {
statePtr->outputStage = ckalloc((unsigned) (statePtr->bufSize + 2));
}
return TCL_OK;
@@ -7699,9 +7709,9 @@ Tcl_NotifyChannel(
*/
if ((mask & TCL_READABLE) &&
- (statePtr->flags & CHANNEL_NONBLOCKING) &&
+ GotFlag(statePtr, CHANNEL_NONBLOCKING) &&
(Tcl_ChannelBlockModeProc(chanPtr->typePtr) == NULL) &&
- !(statePtr->flags & CHANNEL_TIMER_FEV)) {
+ !GotFlag(statePtr, CHANNEL_TIMER_FEV)) {
SetFlag(statePtr, CHANNEL_HAS_MORE_DATA);
}
#endif /* TCL_IO_TRACK_OS_FOR_DRIVER_WITH_BAD_BLOCKING */
@@ -7718,7 +7728,7 @@ Tcl_NotifyChannel(
* their own events and pass them upward.
*/
- while (mask && (chanPtr->upChanPtr != (NULL))) {
+ while (mask && (chanPtr->upChanPtr != NULL)) {
Tcl_DriverHandlerProc *upHandlerProc;
upChanPtr = chanPtr->upChanPtr;
@@ -7764,7 +7774,7 @@ Tcl_NotifyChannel(
* don't call any write handlers before the flush is complete.
*/
- if ((statePtr->flags & BG_FLUSH_SCHEDULED) && (mask & TCL_WRITABLE)) {
+ if (GotFlag(statePtr, BG_FLUSH_SCHEDULED) && (mask & TCL_WRITABLE)) {
FlushChannel(NULL, chanPtr, 1);
mask &= ~TCL_WRITABLE;
}
@@ -7839,7 +7849,7 @@ UpdateInterest(
* watch for the channel to become writable.
*/
- if (statePtr->flags & BG_FLUSH_SCHEDULED) {
+ if (GotFlag(statePtr, BG_FLUSH_SCHEDULED)) {
mask |= TCL_WRITABLE;
}
@@ -7851,7 +7861,7 @@ UpdateInterest(
*/
if (mask & TCL_READABLE) {
- if (!(statePtr->flags & CHANNEL_NEED_MORE_DATA)
+ if (!GotFlag(statePtr, CHANNEL_NEED_MORE_DATA)
&& (statePtr->inQueueHead != NULL)
&& IsBufferReady(statePtr->inQueueHead)) {
mask &= ~TCL_READABLE;
@@ -7902,7 +7912,7 @@ UpdateInterest(
}
}
}
- chanPtr->typePtr->watchProc(chanPtr->instanceData, mask);
+ ChanWatch(chanPtr, mask);
}
/*
@@ -7930,7 +7940,7 @@ ChannelTimerProc(
ChannelState *statePtr = chanPtr->state;
/* State info for channel */
- if (!(statePtr->flags & CHANNEL_NEED_MORE_DATA)
+ if (!GotFlag(statePtr, CHANNEL_NEED_MORE_DATA)
&& (statePtr->interestMask & TCL_READABLE)
&& (statePtr->inQueueHead != NULL)
&& IsBufferReady(statePtr->inQueueHead)) {
@@ -7950,8 +7960,8 @@ ChannelTimerProc(
* similar test is done in "PeekAhead".
*/
- if ((statePtr->flags & CHANNEL_NONBLOCKING) &&
- (Tcl_ChannelBlockModeProc(chanPtr->typePtr) == NULL)) {
+ if (GotFlag(statePtr, CHANNEL_NONBLOCKING) &&
+ (Tcl_ChannelBlockModeProc(chanPtr->typePtr) == NULL)) {
SetFlag(statePtr, CHANNEL_TIMER_FEV);
}
#endif /* TCL_IO_TRACK_OS_FOR_DRIVER_WITH_BAD_BLOCKING */
@@ -8368,6 +8378,7 @@ Tcl_FileEventObjCmd(
if (objc == 3) {
EventScriptRecord *esPtr;
+
for (esPtr = statePtr->scriptRecordPtr; esPtr != NULL;
esPtr = esPtr->nextPtr) {
if ((esPtr->interp == interp) && (esPtr->mask == mask)) {
@@ -8480,8 +8491,8 @@ TclCopyChannel(
* Make sure the output side is unbuffered.
*/
- outStatePtr->flags = (outStatePtr->flags & ~(CHANNEL_LINEBUFFERED))
- | CHANNEL_UNBUFFERED;
+ outStatePtr->flags = (outStatePtr->flags & ~CHANNEL_LINEBUFFERED)
+ | CHANNEL_UNBUFFERED;
/*
* Allocate a new CopyState to maintain info about the current copy in
@@ -8593,7 +8604,7 @@ CopyData(
* underflow instead to prime the readable fileevent.
*/
- size = 0;
+ size = 0;
underflow = 1;
} else {
/*
@@ -8732,7 +8743,7 @@ CopyData(
* therefore we don't need a writable handler.
*/
- if (!underflow && (outStatePtr->flags & BG_FLUSH_SCHEDULED)) {
+ if (!underflow && GotFlag(outStatePtr, BG_FLUSH_SCHEDULED)) {
if (!(mask & TCL_WRITABLE)) {
if (mask & TCL_READABLE) {
Tcl_DeleteChannelHandler(inChan, CopyEventProc, csPtr);
@@ -8783,6 +8794,7 @@ CopyData(
total = csPtr->total;
if (cmdPtr && interp) {
int code;
+
/*
* Get a private copy of the command so we can mutate it by adding
* arguments. Note that StopCopy frees our saved reference to the
@@ -8859,7 +8871,7 @@ DoRead(
* operation.
*/
- if (!(statePtr->flags & CHANNEL_STICKY_EOF)) {
+ if (!GotFlag(statePtr, CHANNEL_STICKY_EOF)) {
ResetFlag(statePtr, CHANNEL_EOF);
}
ResetFlag(statePtr, CHANNEL_BLOCKED | CHANNEL_NEED_MORE_DATA);
@@ -8868,11 +8880,11 @@ DoRead(
copiedNow = CopyAndTranslateBuffer(statePtr, bufPtr + copied,
toRead - copied);
if (copiedNow == 0) {
- if (statePtr->flags & CHANNEL_EOF) {
+ if (GotFlag(statePtr, CHANNEL_EOF)) {
goto done;
}
- if (statePtr->flags & CHANNEL_BLOCKED) {
- if (statePtr->flags & CHANNEL_NONBLOCKING) {
+ if (GotFlag(statePtr, CHANNEL_BLOCKED)) {
+ if (GotFlag(statePtr, CHANNEL_NONBLOCKING)) {
goto done;
}
ResetFlag(statePtr, CHANNEL_BLOCKED);
@@ -9026,7 +9038,7 @@ CopyAndTranslateBuffer(
curByte = *src;
if (curByte == '\n') {
ResetFlag(statePtr, INPUT_SAW_CR);
- } else if (statePtr->flags & INPUT_SAW_CR) {
+ } else if (GotFlag(statePtr, INPUT_SAW_CR)) {
ResetFlag(statePtr, INPUT_SAW_CR);
*dst = '\r';
dst++;
@@ -9069,7 +9081,7 @@ CopyAndTranslateBuffer(
*dst = '\n';
dst++;
} else {
- if ((curByte != '\n') || !(statePtr->flags & INPUT_SAW_CR)) {
+ if ((curByte != '\n') || !GotFlag(statePtr, INPUT_SAW_CR)) {
*dst = (char) curByte;
dst++;
}
@@ -9338,10 +9350,10 @@ DoWrite(
*/
outBufPtr->nextAdded += destCopied;
- if (!(statePtr->flags & BUFFER_READY)) {
+ if (!GotFlag(statePtr, BUFFER_READY)) {
if (IsBufferFull(outBufPtr)) {
SetFlag(statePtr, BUFFER_READY);
- } else if (statePtr->flags & CHANNEL_LINEBUFFERED) {
+ } else if (GotFlag(statePtr, CHANNEL_LINEBUFFERED)) {
for (sPtr = src, i = 0, foundNewline = 0;
(i < srcCopied) && (!foundNewline);
i++, sPtr++) {
@@ -9353,7 +9365,7 @@ DoWrite(
if (foundNewline) {
SetFlag(statePtr, BUFFER_READY);
}
- } else if (statePtr->flags & CHANNEL_UNBUFFERED) {
+ } else if (GotFlag(statePtr, CHANNEL_UNBUFFERED)) {
SetFlag(statePtr, BUFFER_READY);
}
}
@@ -9362,7 +9374,7 @@ DoWrite(
src += srcCopied;
srcLen -= srcCopied;
- if (statePtr->flags & BUFFER_READY) {
+ if (GotFlag(statePtr, BUFFER_READY)) {
if (FlushChannel(NULL, chanPtr, 0) != 0) {
return -1;
}
@@ -9433,19 +9445,19 @@ StopCopy(
* Restore the old blocking mode and output buffering mode.
*/
- nonBlocking = (csPtr->readFlags & CHANNEL_NONBLOCKING);
+ nonBlocking = csPtr->readFlags & CHANNEL_NONBLOCKING;
if (nonBlocking != (inStatePtr->flags & CHANNEL_NONBLOCKING)) {
SetBlockMode(NULL, csPtr->readPtr,
nonBlocking ? TCL_MODE_NONBLOCKING : TCL_MODE_BLOCKING);
}
if (csPtr->readPtr != csPtr->writePtr) {
- nonBlocking = (csPtr->writeFlags & CHANNEL_NONBLOCKING);
+ nonBlocking = csPtr->writeFlags & CHANNEL_NONBLOCKING;
if (nonBlocking != (outStatePtr->flags & CHANNEL_NONBLOCKING)) {
SetBlockMode(NULL, csPtr->writePtr,
nonBlocking ? TCL_MODE_NONBLOCKING : TCL_MODE_BLOCKING);
}
}
- outStatePtr->flags &= ~(CHANNEL_LINEBUFFERED | CHANNEL_UNBUFFERED);
+ ResetFlag(outStatePtr, CHANNEL_LINEBUFFERED | CHANNEL_UNBUFFERED);
outStatePtr->flags |=
csPtr->writeFlags & (CHANNEL_LINEBUFFERED | CHANNEL_UNBUFFERED);
@@ -10635,8 +10647,9 @@ SetChannelFromAny(
* The channel is valid until any call to DetachChannel occurs.
* Ensure consistency checks are done.
*/
+
statePtr = GET_CHANNELSTATE(objPtr);
- if (statePtr->flags & (CHANNEL_TAINTED|CHANNEL_CLOSED)) {
+ if (GotFlag(statePtr, CHANNEL_TAINTED|CHANNEL_CLOSED)) {
ResetFlag(statePtr, CHANNEL_TAINTED);
Tcl_Release(statePtr);
UpdateStringOfChannel(objPtr);
@@ -10650,6 +10663,7 @@ SetChannelFromAny(
* We need a valid string with which to check for a valid channel, but
* make sure not to free internal rep until validated. [Bug 1847044]
*/
+
if ((objPtr->typePtr != NULL) && (objPtr->bytes == NULL)) {
objPtr->typePtr->updateStringProc(objPtr);
}
@@ -10693,8 +10707,10 @@ UpdateStringOfChannel(
if (objPtr->bytes == NULL) {
ChannelState *statePtr = GET_CHANNELSTATE(objPtr);
const char *name = statePtr->channelName;
+
if (name) {
size_t len = strlen(name);
+
objPtr->bytes = (char *) ckalloc(len + 1);
objPtr->length = len;
memcpy(objPtr->bytes, name, len);
generated by cgit v0.12 at 2024-11-19 19:48:31 (GMT)