[drivers]Fix put_force bug

2018-03-25 07:54:25 +08:00 · 2018-03-25 07:54:25 +08:00 · 5b31545970
parent 228c820e4d
commit 5b31545970
1 changed files with 4 additions and 1 deletions
--- a/components/drivers/src/ringbuffer.c
+++ b/components/drivers/src/ringbuffer.c
@ -119,8 +119,11 @@ rt_size_t rt_ringbuffer_put_force(struct rt_ringbuffer *rb,

    space_length = rt_ringbuffer_space_len(rb);

-    if (length > space_length)
+    if (length > rb->buffer_size)
+    {
+        ptr = &ptr[length - rb->buffer_size];
        length = rb->buffer_size;
+    }

    if (rb->buffer_size - rb->write_index > length)
    {