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-rw-r--r--generic/tclInt.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/generic/tclInt.h b/generic/tclInt.h
index 8f003be..cde46ac 100644
--- a/generic/tclInt.h
+++ b/generic/tclInt.h
@@ -2443,6 +2443,8 @@ typedef struct List {
#define LIST_MAX \
(1 + (int)(((size_t)UINT_MAX - sizeof(List))/sizeof(Tcl_Obj *)))
+#define LIST_SIZE(numElems) \
+ (unsigned)(sizeof(List) + (((numElems) - 1) * sizeof(Tcl_Obj *)))
/*
* Macro used to get the elements of a list object.
@@ -4097,8 +4099,22 @@ MODULE_SCOPE void TclDbInitNewObj(Tcl_Obj *objPtr, const char *file,
*----------------------------------------------------------------
*/
+/* General tuning for minimum growth in Tcl growth algorithms */
+#ifndef TCL_MIN_GROWTH
+# ifdef TCL_GROWTH_MIN_ALLOC
+ /* Support for any legacy tuners */
+# define TCL_MIN_GROWTH TCL_GROWTH_MIN_ALLOC
+# else
+# define TCL_MIN_GROWTH 1024
+# endif
+#endif
+
+/* Token growth tuning, default to the general value. */
+#ifndef TCL_MIN_TOKEN_GROWTH
+#define TCL_MIN_TOKEN_GROWTH TCL_MIN_GROWTH/sizeof(Tcl_Token)
+#endif
+
#define TCL_MAX_TOKENS (int)(UINT_MAX / sizeof(Tcl_Token))
-#define TCL_MIN_TOKEN_GROWTH 50
#define TclGrowTokenArray(tokenPtr, used, available, append, staticPtr) \
do { \
int needed = (used) + (append); \