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qemu-common: add QEMU_ALIGN_DOWN() and QEMU_ALIGN_UP() macros
authorStefan Hajnoczi <[email protected]>
Thu, 17 Nov 2011 13:40:25 +0000 (13:40 +0000)
committerKevin Wolf <[email protected]>
Mon, 5 Dec 2011 13:51:37 +0000 (14:51 +0100)
commit3951690a4a29e031492090131d001e5047938631
tree25204de77bfa6f3333c5af2e4861021ac6727abctree | snapshot
parent060f51c9dee3c58e2748c773ef1f7142047a4a2fcommit | diff
qemu-common: add QEMU_ALIGN_DOWN() and QEMU_ALIGN_UP() macros

Add macros for aligning a number to a multiple, for example:

QEMU_ALIGN_DOWN(500, 2000) = 0
QEMU_ALIGN_UP(500, 2000) = 2000

Since ALIGN_UP() is a common macro name use the QEMU_* namespace prefix.
Hopefully this will protect us from included headers that leak something
with a similar name.

Signed-off-by: Stefan Hajnoczi <[email protected]>
Signed-off-by: Kevin Wolf <[email protected]>
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