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-rw-r--r--StdLib/Include/Containers/Fifo.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/StdLib/Include/Containers/Fifo.h b/StdLib/Include/Containers/Fifo.h
index 3b232fe..69dd55b 100644
--- a/StdLib/Include/Containers/Fifo.h
+++ b/StdLib/Include/Containers/Fifo.h
@@ -151,8 +151,10 @@ typedef size_t (EFIAPI *cFIFO_Flush) (cFIFO *Self, size_t NumToFlush);
/** Remove the most recent element from the FIFO.
@param[in] Self Pointer to the FIFO instance.
+
+ @return Returns the number of elements remaining in the FIFO.
**/
-typedef void (EFIAPI *cFIFO_Truncate) (cFIFO *Self);
+typedef size_t (EFIAPI *cFIFO_Truncate) (cFIFO *Self);
/** Cleanly delete a FIFO instance.