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authorSergey Fedorov <serge.fdrv@gmail.com>2016-04-22 19:08:43 +0300
committerRichard Henderson <rth@twiddle.net>2016-05-12 14:06:40 -1000
commit18a60a76147569ca9e11b0607e50ce4012fe1aaa (patch)
tree4ba22fb284fa9ccc8ae84557ab69557718d25255
parent89fee74a0f066dfd73830a7b5fa137e87888c870 (diff)
downloadqemu-18a60a76147569ca9e11b0607e50ce4012fe1aaa.tar.gz
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>
-rw-r--r--include/qemu/osdep.h3
1 files changed, 3 insertions, 0 deletions
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