summaryrefslogtreecommitdiffstats
path: root/generic/tclIO.c
diff options
context:
space:
mode:
authordgp <dgp@users.sourceforge.net>2014-01-31 20:42:21 (GMT)
committerdgp <dgp@users.sourceforge.net>2014-01-31 20:42:21 (GMT)
commit6f611b9b973068d5630b4a227aef5fc316686036 (patch)
treec88af081c63116cd65e17733184667ce24bbf1aa /generic/tclIO.c
parent4c98b1f4cda633b5554ac990dfde7401bd0d67b1 (diff)
downloadtcl-6f611b9b973068d5630b4a227aef5fc316686036.zip
tcl-6f611b9b973068d5630b4a227aef5fc316686036.tar.gz
tcl-6f611b9b973068d5630b4a227aef5fc316686036.tar.bz2
The "channel" Tcl_ObjType is caching only. It never needs an UpdateString routine.
It's also static to the tclIO.c file.
Diffstat (limited to 'generic/tclIO.c')
-rw-r--r--generic/tclIO.c52
1 files changed, 6 insertions, 46 deletions
diff --git a/generic/tclIO.c b/generic/tclIO.c
index 71f8f53..7705d7b 100644
--- a/generic/tclIO.c
+++ b/generic/tclIO.c
@@ -316,14 +316,13 @@ static int WillRead(Channel *chanPtr);
static void DupChannelIntRep(Tcl_Obj *objPtr, Tcl_Obj *copyPtr);
static int SetChannelFromAny(Tcl_Interp *interp, Tcl_Obj *objPtr);
-static void UpdateStringOfChannel(Tcl_Obj *objPtr);
static void FreeChannelIntRep(Tcl_Obj *objPtr);
-static Tcl_ObjType tclChannelType = {
+static Tcl_ObjType chanObjType = {
"channel", /* name for this type */
FreeChannelIntRep, /* freeIntRepProc */
DupChannelIntRep, /* dupIntRepProc */
- NULL, /* updateStringProc UpdateStringOfChannel */
+ NULL, /* updateStringProc */
NULL /* setFromAnyProc SetChannelFromAny */
};
@@ -10379,7 +10378,7 @@ DupChannelIntRep(
SET_CHANNELSTATE(copyPtr, statePtr);
SET_CHANNELINTERP(copyPtr, interpPtr);
Tcl_Preserve((ClientData) statePtr);
- copyPtr->typePtr = &tclChannelType;
+ copyPtr->typePtr = srcPtr->typePtr;
}
/*
@@ -10410,7 +10409,7 @@ SetChannelFromAny(
if (interp == NULL) {
return TCL_ERROR;
}
- if (objPtr->typePtr == &tclChannelType) {
+ if (objPtr->typePtr == &chanObjType) {
/*
* The channel is valid until any call to DetachChannel occurs.
* Ensure consistency checks are done.
@@ -10420,15 +10419,13 @@ SetChannelFromAny(
if (statePtr->flags & (CHANNEL_TAINTED|CHANNEL_CLOSED)) {
ResetFlag(statePtr, CHANNEL_TAINTED);
Tcl_Release((ClientData) statePtr);
- UpdateStringOfChannel(objPtr);
objPtr->typePtr = NULL;
} else if (interpPtr != (Interp*) interp) {
Tcl_Release((ClientData) statePtr);
- UpdateStringOfChannel(objPtr);
objPtr->typePtr = NULL;
}
}
- if (objPtr->typePtr != &tclChannelType) {
+ if (objPtr->typePtr != &chanObjType) {
Tcl_Channel chan = Tcl_GetChannel(interp, TclGetString(objPtr), NULL);
if (chan == NULL) {
@@ -10440,7 +10437,7 @@ SetChannelFromAny(
Tcl_Preserve((ClientData) statePtr);
SET_CHANNELSTATE(objPtr, statePtr);
SET_CHANNELINTERP(objPtr, interp);
- objPtr->typePtr = &tclChannelType;
+ objPtr->typePtr = &chanObjType;
}
return TCL_OK;
}
@@ -10448,43 +10445,6 @@ SetChannelFromAny(
/*
*----------------------------------------------------------------------
*
- * UpdateStringOfChannel --
- *
- * Update the string representation for an object whose internal
- * representation is "Channel".
- *
- * Results:
- * None.
- *
- * Side effects:
- * The object's string may be set by converting its Unicode represention
- * to UTF format.
- *
- *----------------------------------------------------------------------
- */
-
-static void
-UpdateStringOfChannel(
- Tcl_Obj *objPtr) /* Object with string rep to update. */
-{
- 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);
- } else {
- objPtr->bytes = tclEmptyStringRep;
- objPtr->length = 0;
- }
- }
-}
-
-/*
- *----------------------------------------------------------------------
- *
* FreeChannelIntRep --
*
* Release statePtr storage.