From: Sergey Fedorov <serge.fdrv@gmail.com>
Date: Fri, 22 Apr 2016 16:08:43 +0000 (+0300)
Subject: include/qemu/osdep.h: Add a macro to check for alignment
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=18a60a76147569ca9e11b0607e50ce4012fe1aaa;p=qemu.git

include/qemu/osdep.h: Add a macro to check for alignment

Signed-off-by: Sergey Fedorov <serge.fdrv@gmail.com>
Signed-off-by: Sergey Fedorov <sergey.fedorov@linaro.org>
Message-Id: <1461341333-19646-2-git-send-email-sergey.fedorov@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
---

diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index 408783f532..e3bc50b613 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -158,6 +158,9 @@ extern int daemon(int, int);
 /* Round number up to multiple */
 #define QEMU_ALIGN_UP(n, m) QEMU_ALIGN_DOWN((n) + (m) - 1, (m))
 
+/* Check if n is a multiple of m */
+#define QEMU_IS_ALIGNED(n, m) (((n) % (m)) == 0)
+
 #ifndef ROUND_UP
 #define ROUND_UP(n,d) (((n) + (d) - 1) & -(d))
 #endif