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include: fix mask size calculation 

Same bug as inputproto-2.0.1-9-gb1149ab, if the XI2LASTEVENT was a multiple
of 8, the mask was one bit too short.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Daniel Stone <daniel@fooishbar.org>
Reviewed-by: Chase Douglas <chase.douglas@canonical.com>
This commit is contained in:
Peter Hutterer 2011-11-02 14:07:19 +10:00
parent b2015a2c01
commit 2aad1a2b42
1 changed files with 1 additions and 1 deletions
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include/inputstr.h
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@ -72,7 +72,7 @@ extern _X_EXPORT int CountBits(const uint8_t *mask, int len);
* this number here is bumped. * this number here is bumped.
*/ */
#define XI2LASTEVENT 17 /* XI_RawMotion */ #define XI2LASTEVENT 17 /* XI_RawMotion */
#define XI2MASKSIZE ((XI2LASTEVENT + 7)/8) /* no of bits for masks */ #define XI2MASKSIZE ((XI2LASTEVENT >> 3) + 1) /* no of bytes for masks */
/** /**
* Scroll types for ::SetScrollValuator and the scroll type in the * Scroll types for ::SetScrollValuator and the scroll type in the