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-rw-r--r--generic/tcl.h12
-rw-r--r--generic/tclCmdAH.c3
-rw-r--r--generic/tclZlib.c19
3 files changed, 12 insertions, 22 deletions
diff --git a/generic/tcl.h b/generic/tcl.h
index 6a6ac9b..3003abf 100644
--- a/generic/tcl.h
+++ b/generic/tcl.h
@@ -854,10 +854,7 @@ typedef struct Tcl_Obj {
* whether an object is shared (i.e. has reference count > 1). Note: clients
* should use Tcl_DecrRefCount() when they are finished using an object, and
* should never call TclFreeObj() directly. TclFreeObj() is only defined and
- * made public in tcl.h to support Tcl_DecrRefCount's macro definition. Note
- * also that Tcl_DecrRefCount() refers to the parameter "obj" twice. This
- * means that you should avoid calling it with an expression that is expensive
- * to compute or has side effects.
+ * made public in tcl.h to support Tcl_DecrRefCount's macro definition.
*/
void Tcl_IncrRefCount(Tcl_Obj *objPtr);
@@ -2504,7 +2501,12 @@ EXTERN void Tcl_GetMemoryInfo(Tcl_DString *dsPtr);
* http://c2.com/cgi/wiki?TrivialDoWhileLoop
*/
# define Tcl_DecrRefCount(objPtr) \
- do { if (--(objPtr)->refCount <= 0) TclFreeObj(objPtr); } while(0)
+ do { \
+ Tcl_Obj *_objPtr = (objPtr); \
+ if (--(_objPtr)->refCount <= 0) { \
+ TclFreeObj(_objPtr); \
+ } \
+ } while(0)
# define Tcl_IsShared(objPtr) \
((objPtr)->refCount > 1)
#endif
diff --git a/generic/tclCmdAH.c b/generic/tclCmdAH.c
index 14951e4..133a61b 100644
--- a/generic/tclCmdAH.c
+++ b/generic/tclCmdAH.c
@@ -361,7 +361,8 @@ CatchObjCmdCallback(
if (NULL == Tcl_ObjSetVar2(interp, optionVarNamePtr, NULL,
options, TCL_LEAVE_ERR_MSG)) {
- Tcl_DecrRefCount(options);
+ /* Do not decrRefCount 'options', it was already done by
+ * Tcl_ObjSetVar2 */
return TCL_ERROR;
}
}
diff --git a/generic/tclZlib.c b/generic/tclZlib.c
index 8fbe049..9c1176e 100644
--- a/generic/tclZlib.c
+++ b/generic/tclZlib.c
@@ -507,7 +507,7 @@ GenerateHeader(
* ExtractHeader --
*
* Take the values out of a gzip header and store them in a dictionary.
- * SetValue is a helper function.
+ * SetValue is a helper macro.
*
* Results:
* None.
@@ -518,18 +518,8 @@ GenerateHeader(
*----------------------------------------------------------------------
*/
-static inline void
-SetValue(
- Tcl_Obj *dictObj,
- const char *key,
- Tcl_Obj *value)
-{
- Tcl_Obj *keyObj = Tcl_NewStringObj(key, -1);
-
- Tcl_IncrRefCount(keyObj);
- Tcl_DictObjPut(NULL, dictObj, keyObj, value);
- TclDecrRefCount(keyObj);
-}
+#define SetValue(dictObj, key, value) \
+ Tcl_DictObjPut(NULL, (dictObj), Tcl_NewStringObj((key), -1), (value))
static void
ExtractHeader(
@@ -2119,9 +2109,6 @@ ZlibCmd(
}
if (headerVarObj != NULL && Tcl_ObjSetVar2(interp, headerVarObj, NULL,
headerDictObj, TCL_LEAVE_ERR_MSG) == NULL) {
- if (headerDictObj) {
- TclDecrRefCount(headerDictObj);
- }
return TCL_ERROR;
}
return TCL_OK;