函数逻辑报告

函数名称：Check whether there is enough free space for the given message.* The same values of first_idx and next_idx mean that the buffer* is either empty or full.* If the buffer is empty, we must respect the position of the indexes.

函数原型：static int logbuf_has_space(unsigned int msg_size, bool empty)

返回类型：int

参数：