From 965a7ae9e0af3bc148a62a7c1c3b3ec1506fb885 Mon Sep 17 00:00:00 2001
From: Tsarevich Dmitry <dimhotepus@gmail.com>
Date: Sun, 23 Feb 2020 19:46:18 +0300
Subject: [PATCH] [flow] Surround macro params to ensure expected results

If parameters are not enclosed, evaluation order may be
not the expected one. See https://www.viva64.com/en/w/v1003/print/
for details.
---
 src/rufus.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/rufus.h b/src/rufus.h
index 98be9361..359baa1d 100644
--- a/src/rufus.h
+++ b/src/rufus.h
@@ -656,8 +656,8 @@ static __inline HMODULE GetLibraryHandle(char* szLibraryName) {
 	if ((pf##proc == NULL) && (NT_SUCCESS(status))) status = STATUS_NOT_IMPLEMENTED; } while(0)
 
 /* Custom application errors */
-#define FAC(f)                         (f<<16)
-#define APPERR(err)                    (APPLICATION_ERROR_MASK|err)
+#define FAC(f)                         ((f)<<16)
+#define APPERR(err)                    (APPLICATION_ERROR_MASK|(err))
 #define ERROR_INCOMPATIBLE_FS          0x1201
 #define ERROR_CANT_QUICK_FORMAT        0x1202
 #define ERROR_INVALID_CLUSTER_SIZE     0x1203