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-rw-r--r--generic/tclInt.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/generic/tclInt.h b/generic/tclInt.h
index 29a9316..cf32e0d 100644
--- a/generic/tclInt.h
+++ b/generic/tclInt.h
@@ -2455,6 +2455,9 @@ typedef struct List {
#define ListObjLength(listPtr, len) \
((len) = ListRepPtr(listPtr)->elemCount)
+#define ListObjIsCanonical(listPtr) \
+ (((listPtr)->bytes == NULL) || ListRepPtr(listPtr)->canonicalFlag)
+
#define TclListObjGetElements(interp, listPtr, objcPtr, objvPtr) \
(((listPtr)->typePtr == &tclListType) \
? ((ListObjGetElements((listPtr), *(objcPtr), *(objvPtr))), TCL_OK)\
@@ -2465,6 +2468,9 @@ typedef struct List {
? ((ListObjLength((listPtr), *(lenPtr))), TCL_OK)\
: Tcl_ListObjLength((interp), (listPtr), (lenPtr)))
+#define TclListObjIsCanonical(listPtr) \
+ (((listPtr)->typePtr == &tclListType) ? ListObjIsCanonical((listPtr)) : 0)
+
/*
* Macros providing a faster path to integers: Tcl_GetLongFromObj everywhere,
* Tcl_GetIntFromObj and TclGetIntForIndex on platforms where longs are ints.