1 files changed, 4 insertions, 3 deletions
diff --git a/win/tclWinFile.c b/win/tclWinFile.c
index ad4a5c4..fe84a26 100644
--- a/win/tclWinFile.c
+++ b/win/tclWinFile.c
@@ -2900,7 +2900,7 @@ TclNativeCreateNativeRep(
     WCHAR *nativePathPtr;
     const char *str;
     Tcl_Obj *validPathPtr;
-    int len;
+    size_t len;
     WCHAR *wp;
 
     if (TclFSCwdIsNative()) {
@@ -2926,9 +2926,10 @@ TclNativeCreateNativeRep(
 	Tcl_IncrRefCount(validPathPtr);
     }
 
-    str = Tcl_GetStringFromObj(validPathPtr, &len);
+    str = Tcl_GetString(validPathPtr);
+    len = validPathPtr->length;
 
-    if (strlen(str)!=len) {
+    if (strlen(str)!=(unsigned int)len) {
 	/* String contains NUL-bytes. This is invalid. */
 	return 0;
     }