1 files changed, 10 insertions, 4 deletions
diff --git a/kernel/ringbuffer.c b/kernel/ringbuffer.c
index 6700931..43d0e33 100644
--- a/kernel/ringbuffer.c
+++ b/kernel/ringbuffer.c
@@ -18,10 +18,7 @@ void ringbuffer_free(ringbuffer *f)
 
 bool ringbuffer_put(ringbuffer* f,uint8_t c)
 {
-    if((f->back-1+f->size)%f->size==f->front)
-    {
-	return false;
-    }
+    if(ringbuffer_full(f))return false;
 
     f->data[f->back]=c;
     f->back--;
@@ -30,6 +27,15 @@ bool ringbuffer_put(ringbuffer* f,uint8_t c)
     return true;
 }
 
+bool ringbuffer_full(ringbuffer* f)
+{
+    if((f->back-1+f->size)%f->size==f->front)
+    {
+	return true;
+    }
+    return false;
+}
+
 bool ringbuffer_has(ringbuffer* f)
 {
     bool res=true;