diff options
Diffstat (limited to 'src/evdev.c')
| -rw-r--r-- | src/evdev.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/evdev.c b/src/evdev.c index f831081..58aa3dc 100644 --- a/src/evdev.c +++ b/src/evdev.c @@ -346,7 +346,9 @@ EvdevReadInput(InputInfoPtr pInfo) } } -#define TestBit(bit, array) (array[(bit) / 8] & (1 << ((bit) % 8))) +#define LONG_BITS (sizeof(long) * 8) +#define NBITS(x) (((x) + LONG_BITS - 1) / LONG_BITS) +#define TestBit(bit, array) (array[(bit) / LONG_BITS]) & (1 << ((bit) % LONG_BITS)) static void EvdevPtrCtrlProc(DeviceIntPtr device, PtrCtrl *ctrl) @@ -980,9 +982,9 @@ EvdevProc(DeviceIntPtr device, int what) static int EvdevProbe(InputInfoPtr pInfo) { - char key_bitmask[(KEY_MAX + 7) / 8]; - char rel_bitmask[(REL_MAX + 7) / 8]; - char abs_bitmask[(ABS_MAX + 7) / 8]; + long key_bitmask[NBITS(KEY_MAX)]; + long rel_bitmask[NBITS(REL_MAX)]; + long abs_bitmask[NBITS(ABS_MAX)]; int i, has_axes, has_keys, num_buttons; EvdevPtr pEvdev = pInfo->private; |