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-rw-r--r--generic/tclInt.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/generic/tclInt.h b/generic/tclInt.h
index 567a28c..ef48126 100644
--- a/generic/tclInt.h
+++ b/generic/tclInt.h
@@ -4011,6 +4011,21 @@ MODULE_SCOPE unsigned TclHashObjKey(Tcl_HashTable *tablePtr, void *keyPtr);
MODULE_SCOPE int TclFullFinalizationRequested(void);
/*
+ * Utility routines for encoding index values as integers. Used by both
+ * some of the command compilers and by [lsort] and [lsearch].
+ */
+
+MODULE_SCOPE int TclIndexEncode(Tcl_Interp *interp, Tcl_Obj *objPtr,
+ int before, int after, int *indexPtr);
+MODULE_SCOPE int TclIndexDecode(int encoded, int endValue);
+
+/* Constants used in index value encoding routines. */
+#define TCL_INDEX_END (-2)
+#define TCL_INDEX_BEFORE (-1)
+#define TCL_INDEX_START (0)
+#define TCL_INDEX_AFTER (INT_MAX)
+
+/*
*----------------------------------------------------------------
* Macros used by the Tcl core to create and release Tcl objects.
* TclNewObj(objPtr) creates a new object denoting an empty string.