diff options
Diffstat (limited to 'i386/i386at/kd_mouse.c')
| -rw-r--r-- | i386/i386at/kd_mouse.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/i386/i386at/kd_mouse.c b/i386/i386at/kd_mouse.c index 8f4e09a..28114d4 100644 --- a/i386/i386at/kd_mouse.c +++ b/i386/i386at/kd_mouse.c @@ -314,6 +314,26 @@ kd_mouse_close(dev, mouse_pic) } #ifdef MACH_KERNEL +io_return_t mousegetstat(dev, flavor, data, count) + dev_t dev; + int flavor; + int * data; /* pointer to OUT array */ + unsigned int *count; /* OUT */ +{ + io_return_t result; + + switch (flavor) { + case DEV_GET_SIZE: + data[DEV_GET_SIZE_DEVICE_SIZE] = 0; + data[DEV_GET_SIZE_RECORD_SIZE] = sizeof(kd_event); + *count = DEV_GET_SIZE_COUNT; + break; + default: + return D_INVALID_OPERATION; + } + return D_SUCCESS; +} + #else MACH_KERNEL /* * mouseioctl - handling for asynch & non-blocking I/O. @@ -390,6 +410,10 @@ mouseread(dev, ior) register int err, count; register spl_t s; + /* Check if IO_COUNT is a multiple of the record size. */ + if (ior->io_count % sizeof(kd_event) != 0) + return D_INVALID_SIZE; + err = device_read_alloc(ior, (vm_size_t)ior->io_count); if (err != KERN_SUCCESS) return (err); |