offsetof -> TclOffset

tcltk · Feb 14, 2024 · fe878b4 · fe878b4
1 parent 58afe92
commit fe878b4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/generic/tclIO.c b/generic/tclIO.c
@@ -9227,7 +9227,7 @@ TclCopyChannel(
      * completed.
      */
 
-    csPtr = (CopyState *)ckalloc(offsetof(CopyState, buffer) + 1U + !moveBytes * inStatePtr->bufSize);
+    csPtr = (CopyState *)ckalloc(TclOffset(CopyState, buffer) + 1U + !moveBytes * inStatePtr->bufSize);
     csPtr->bufSize = !moveBytes * inStatePtr->bufSize;
     csPtr->readPtr = inPtr;
     csPtr->writePtr = outPtr;