45 static rt_bool_t rb_put(struct rb* rb, const rt_uint8_t *ptr, rt_uint16_t length)  in rb_put()  argument
56     if (size < length) return RT_FALSE;  in rb_put()
61         memcpy(&rb->buffer_ptr[rb->write_index], ptr, length);  in rb_put()
62         rb->write_index += length;  in rb_put()
66         if (rb->buffer_size - rb->write_index > length)  in rb_put()
69             memcpy(&rb->buffer_ptr[rb->write_index], ptr, length);  in rb_put()
70             rb->write_index += length;  in rb_put()
81                    length - (rb->buffer_size - rb->write_index));  in rb_put()
82             rb->write_index = length - (rb->buffer_size - rb->write_index);  in rb_put()
90 static rt_bool_t rb_get(struct rb* rb, rt_uint8_t *ptr, rt_uint16_t length)  in rb_get()  argument
101     if (size < length) return RT_FALSE;  in rb_get()
105         if (rb->buffer_size - rb->read_index > length)  in rb_get()
108             memcpy(ptr, &rb->buffer_ptr[rb->read_index], length);  in rb_get()
109             rb->read_index += length;  in rb_get()
117                    length - rb->buffer_size + rb->read_index);  in rb_get()
118             rb->read_index = length - rb->buffer_size + rb->read_index;  in rb_get()
127         memcpy(ptr, &rb->buffer_ptr[rb->read_index], length);  in rb_get()
128         rb->read_index += length;  in rb_get()