From 47eac70cb906be4afe2254b5a9eea5b01deffa61 Mon Sep 17 00:00:00 2001 From: Sergey Fedorov Date: Fri, 23 Feb 2018 20:15:30 -0500 Subject: [PATCH] include/qemu/osdep.h: Add a macro to check for alignment Backports commit 18a60a76147569ca9e11b0607e50ce4012fe1aaa from qemu --- qemu/include/qemu/osdep.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/qemu/include/qemu/osdep.h b/qemu/include/qemu/osdep.h index 36d32a58..589f3d8e 100644 --- a/qemu/include/qemu/osdep.h +++ b/qemu/include/qemu/osdep.h @@ -144,6 +144,9 @@ /* 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