diff options
Diffstat (limited to 'kernel/drivers/keyboard.c')
-rw-r--r-- | kernel/drivers/keyboard.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/drivers/keyboard.c b/kernel/drivers/keyboard.c index 054849c..0dd7219 100644 --- a/kernel/drivers/keyboard.c +++ b/kernel/drivers/keyboard.c @@ -60,18 +60,18 @@ void keyboard_rate(void) outb(0x60, 0x0); // Rate{00000} Delay{00} 0 } -u32 keyboard_read(void *buf, u32 offset, u32 count, struct device *dev) +s32 keyboard_read(void *buf, u32 offset, u32 count, struct device *dev) { (void)dev; if (stack_empty(queue)) - return 0; + return -1; struct event *e = stack_pop(queue); memcpy(buf, (u8 *)e + offset, count); return count; } -u32 keyboard_ready(void) +u8 keyboard_ready(void) { return !stack_empty(queue); } |