wim.c: replace finalize_wim_struct() with wim_decrement_refcnt()

[wimlib] / src / wim.c

diff --git a/src/wim.c b/src/wim.c
index e01131ddffabfdc1504fc3b828d762f880ba526e..b5827171ba91e139d9f7a5c83cc756d8b08041c0 100644 (file)
--- a/src/wim.c
+++ b/src/wim.c
@@ -867,10 +867,14 @@ can_modify_wim(WIMStruct *wim)
        return 0;
 }
 
-/* Free a WIMStruct after no more resources reference it.  */
+/* Release a reference to a WIMStruct.  If the reference count reaches 0, the
+ * WIMStruct is freed.  */
 void
-finalize_wim_struct(WIMStruct *wim)
+wim_decrement_refcnt(WIMStruct *wim)
 {
+       wimlib_assert(wim->refcnt > 0);
+       if (--wim->refcnt != 0)
+               return;
        if (filedes_valid(&wim->in_fd))
                filedes_close(&wim->in_fd);
        if (filedes_valid(&wim->out_fd))
@@ -901,9 +905,7 @@ wimlib_free(WIMStruct *wim)
                wim->image_metadata = NULL;
        }
 
-       wimlib_assert(wim->refcnt > 0);
-       if (--wim->refcnt == 0)
-               finalize_wim_struct(wim);
+       wim_decrement_refcnt(wim);
 }
 
 static bool