32 	unsigned int e;  in cirbuf_add_buf_head()  local
37 	e = CIRBUF_IS_EMPTY(cbuf) ? 1 : 0;  in cirbuf_add_buf_head()
39 	if (n < cbuf->start + e) {  in cirbuf_add_buf_head()
40 		dprintf("s[%d] -> d[%d] (%d)\n", 0, cbuf->start - n + e, n);  in cirbuf_add_buf_head()
41 		memcpy(cbuf->buf + cbuf->start - n + e, c, n);  in cirbuf_add_buf_head()
44 		dprintf("s[%d] -> d[%d] (%d)\n", + n - (cbuf->start + e), 0,  in cirbuf_add_buf_head()
45 			cbuf->start + e);  in cirbuf_add_buf_head()
47 			(cbuf->start + e), 0, n - (cbuf->start + e));  in cirbuf_add_buf_head()
48 		memcpy(cbuf->buf, c  + n - (cbuf->start + e) , cbuf->start + e);  in cirbuf_add_buf_head()
49 		memcpy(cbuf->buf + cbuf->maxlen - n + (cbuf->start + e), c,  in cirbuf_add_buf_head()
50 		       n - (cbuf->start + e));  in cirbuf_add_buf_head()
53 	cbuf->start += (cbuf->maxlen - n + e);  in cirbuf_add_buf_head()
63 	unsigned int e;  in cirbuf_add_buf_tail()  local
68 	e = CIRBUF_IS_EMPTY(cbuf) ? 1 : 0;  in cirbuf_add_buf_tail()
70 	if (n < cbuf->maxlen - cbuf->end - 1 + e) {  in cirbuf_add_buf_tail()
71 		dprintf("s[%d] -> d[%d] (%d)\n", 0, cbuf->end + !e, n);  in cirbuf_add_buf_tail()
72 		memcpy(cbuf->buf + cbuf->end + !e, c, n);  in cirbuf_add_buf_tail()
75 		dprintf("s[%d] -> d[%d] (%d)\n", cbuf->end + !e, 0,  in cirbuf_add_buf_tail()
76 			cbuf->maxlen - cbuf->end - 1 + e);  in cirbuf_add_buf_tail()
78 			e, 0, n - cbuf->maxlen + cbuf->end + 1 - e);  in cirbuf_add_buf_tail()
79 		memcpy(cbuf->buf + cbuf->end + !e, c, cbuf->maxlen -  in cirbuf_add_buf_tail()
80 		       cbuf->end - 1 + e);  in cirbuf_add_buf_tail()
81 		memcpy(cbuf->buf, c + cbuf->maxlen - cbuf->end - 1 + e,  in cirbuf_add_buf_tail()
82 		       n - cbuf->maxlen + cbuf->end + 1 - e);  in cirbuf_add_buf_tail()
85 	cbuf->end += n - e;  in cirbuf_add_buf_tail()