22 	cbuf->end = start;  in cirbuf_init()
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()
77 		dprintf("s[%d] -> d[%d] (%d)\n", cbuf->maxlen - cbuf->end - 1 +  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()
86 	cbuf->end %= cbuf->maxlen;  in cirbuf_add_buf_tail()
125 		cbuf->end ++;  in __cirbuf_add_tail()
126 		cbuf->end %= cbuf->maxlen;  in __cirbuf_add_tail()
128 	cbuf->buf[cbuf->end] = c;  in __cirbuf_add_tail()
162 	cbuf->end += (cbuf->maxlen - 1);  in __cirbuf_shift_left()
163 	cbuf->end %= cbuf->maxlen;  in __cirbuf_shift_left()
170 	char tmp = cbuf->buf[cbuf->end];  in __cirbuf_shift_right()
173 		cbuf->buf[(cbuf->end+cbuf->maxlen-i)%cbuf->maxlen] =  in __cirbuf_shift_right()
174 			cbuf->buf[(cbuf->end+cbuf->maxlen-i-1)%cbuf->maxlen];  in __cirbuf_shift_right()
176 	cbuf->buf[(cbuf->end+1)%cbuf->maxlen] = tmp;  in __cirbuf_shift_right()
179 	cbuf->end += 1;  in __cirbuf_shift_right()
180 	cbuf->end %= cbuf->maxlen;  in __cirbuf_shift_right()
212 		while (cbuf->end != cbuf->maxlen-1) {  in cirbuf_align_right()
255 		cbuf->end  += (cbuf->maxlen - size + 1);  in cirbuf_del_buf_tail()
256 		cbuf->end %= cbuf->maxlen;  in cirbuf_del_buf_tail()
259 		cbuf->end  += (cbuf->maxlen - size);  in cirbuf_del_buf_tail()
260 		cbuf->end %= cbuf->maxlen;  in cirbuf_del_buf_tail()
300 		cbuf->end  += (cbuf->maxlen - 1);  in __cirbuf_del_tail()
301 		cbuf->end %= cbuf->maxlen;  in __cirbuf_del_tail()
336 	if (cbuf->start <= cbuf->end) {  in cirbuf_get_buf_head()
374 	if (cbuf->start <= cbuf->end) {  in cirbuf_get_buf_tail()
375 		dprintf("s[%d] -> d[%d] (%d)\n", cbuf->end - n + 1, 0, n);  in cirbuf_get_buf_tail()
376 		memcpy(c, cbuf->buf + cbuf->end - n + 1, n);  in cirbuf_get_buf_tail()
380 		if (n <= cbuf->end + 1) {  in cirbuf_get_buf_tail()
381 			dprintf("s[%d] -> d[%d] (%d)\n", 0, cbuf->end - n + 1, n);  in cirbuf_get_buf_tail()
382 			memcpy(c, cbuf->buf + cbuf->end - n + 1, n);  in cirbuf_get_buf_tail()
386 				cbuf->maxlen - cbuf->start, cbuf->end + 1);  in cirbuf_get_buf_tail()
388 				cbuf->maxlen - n + cbuf->end + 1, 0, n - cbuf->end - 1);  in cirbuf_get_buf_tail()
390 					       cbuf->buf, cbuf->end + 1);  in cirbuf_get_buf_tail()
391 			memcpy(c, cbuf->buf + cbuf->maxlen - n + cbuf->end +1,  in cirbuf_get_buf_tail()
392 				   n - cbuf->end - 1);  in cirbuf_get_buf_tail()
411 	return cbuf->buf[cbuf->end];  in cirbuf_get_tail()