diff options
Diffstat (limited to 'kernel/lib/ringbuffer.h')
| -rw-r--r-- | kernel/lib/ringbuffer.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/lib/ringbuffer.h b/kernel/lib/ringbuffer.h index 3ebc507..d6e699a 100644 --- a/kernel/lib/ringbuffer.h +++ b/kernel/lib/ringbuffer.h @@ -14,6 +14,9 @@ u32 ringbuffer_write(struct ringbuffer *rb, const u8 *buffer, u32 len); u32 ringbuffer_read(struct ringbuffer *rb, u8 *buffer, u32 len); int ringbuffer_isempty(const struct ringbuffer *rb); void ringbuffer_free(struct ringbuffer *rb); +u32 ringbuffer_used(const struct ringbuffer *rb); +u32 ringbuffer_capacity(const struct ringbuffer *rb); +u32 ringbuffer_unused(const struct ringbuffer *rb); #ifdef KERNEL_TEST void ringbuffer_test(void); #endif // KERNEL_TEST |