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-rw-r--r--generic/tclOOInt.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/generic/tclOOInt.h b/generic/tclOOInt.h
index 1f44ef8..b5b7d6c 100644
--- a/generic/tclOOInt.h
+++ b/generic/tclOOInt.h
@@ -671,7 +671,7 @@ MODULE_SCOPE void TclOOSetupVariableResolver(Tcl_Namespace *nsPtr);
#undef DUPLICATE /* prevent possible conflict with definition in WINAPI nb30.h */
#define DUPLICATE(target,source,type) \
do { \
- unsigned len = sizeof(type) * ((target).num=(source).num);\
+ size_t len = sizeof(type) * ((target).num=(source).num);\
if (len != 0) { \
memcpy(((target).list=(type*)ckalloc(len)), (source).list, len); \
} else { \