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

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Backports commit 18a60a76147569ca9e11b0607e50ce4012fe1aaa from qemu
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Sergey Fedorov 2018-02-23 20:15:30 -05:00 committed by Lioncash
parent 170f6e0b3b
commit 47eac70cb9
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1 changed files with 3 additions and 0 deletions
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qemu/include/qemu/osdep.h
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@ -144,6 +144,9 @@
/* Round number up to multiple */ /* Round number up to multiple */
#define QEMU_ALIGN_UP(n, m) QEMU_ALIGN_DOWN((n) + (m) - 1, (m)) #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 #ifndef ROUND_UP
#define ROUND_UP(n,d) (((n) + (d) - 1) & -(d)) #define ROUND_UP(n,d) (((n) + (d) - 1) & -(d))
#endif #endif