305 static inline void put_tty_queue(unsigned char c, struct n_tty_data *ldata)  in put_tty_queue()  argument
307 	*read_buf_addr(ldata, ldata->read_head) = c;  in put_tty_queue()
403 static inline int is_utf8_continuation(unsigned char c)  in is_utf8_continuation()  argument
405 	return (c & 0xc0) == 0x80;  in is_utf8_continuation()
416 static inline int is_continuation(unsigned char c, struct tty_struct *tty)  in is_continuation()  argument
418 	return I_IUTF8(tty) && is_utf8_continuation(c);  in is_continuation()
443 static int do_output_char(unsigned char c, struct tty_struct *tty, int space)  in do_output_char()  argument
451 	switch (c) {  in do_output_char()
468 			c = '\n';  in do_output_char()
491 		if (!iscntrl(c)) {  in do_output_char()
493 				c = toupper(c);  in do_output_char()
494 			if (!is_continuation(c, tty))  in do_output_char()
500 	tty_put_char(tty, c);  in do_output_char()
518 static int process_output(unsigned char c, struct tty_struct *tty)  in process_output()  argument
526 	retval = do_output_char(c, tty, space);  in process_output()
573 		unsigned char c = *cp;  in process_output_block()  local
575 		switch (c) {  in process_output_block()
597 			if (!iscntrl(c)) {  in process_output_block()
600 				if (!is_continuation(c, tty))  in process_output_block()
643 	unsigned char c;  in __process_echoes()  local
649 		c = echo_buf(ldata, tail);  in __process_echoes()
650 		if (c == ECHO_OP_START) {  in __process_echoes()
742 				int retval = do_output_char(c, tty, space);  in __process_echoes()
749 				tty_put_char(tty, c);  in __process_echoes()
839 static inline void add_echo_byte(unsigned char c, struct n_tty_data *ldata)  in add_echo_byte()  argument
841 	*echo_buf_addr(ldata, ldata->echo_head++) = c;  in add_echo_byte()
913 static void echo_char_raw(unsigned char c, struct n_tty_data *ldata)  in echo_char_raw()  argument
915 	if (c == ECHO_OP_START) {  in echo_char_raw()
919 		add_echo_byte(c, ldata);  in echo_char_raw()
935 static void echo_char(unsigned char c, struct tty_struct *tty)  in echo_char()  argument
939 	if (c == ECHO_OP_START) {  in echo_char()
943 		if (L_ECHOCTL(tty) && iscntrl(c) && c != '\t')  in echo_char()
945 		add_echo_byte(c, ldata);  in echo_char()
975 static void eraser(unsigned char c, struct tty_struct *tty)  in eraser()  argument
987 	if (c == ERASE_CHAR(tty))  in eraser()
989 	else if (c == WERASE_CHAR(tty))  in eraser()
1015 			c = read_buf(ldata, head);  in eraser()
1016 		} while (is_continuation(c, tty) && head != ldata->canon_head);  in eraser()
1019 		if (is_continuation(c, tty))  in eraser()
1024 			if (isalnum(c) || c == '_')  in eraser()
1038 				echo_char(c, tty);  in eraser()
1046 			} else if (c == '\t') {  in eraser()
1060 					c = read_buf(ldata, tail);  in eraser()
1061 					if (c == '\t') {  in eraser()
1064 					} else if (iscntrl(c)) {  in eraser()
1067 					} else if (!is_continuation(c, tty)) {  in eraser()
1073 				if (iscntrl(c) && L_ECHOCTL(tty)) {  in eraser()
1078 				if (!iscntrl(c) || L_ECHOCTL(tty)) {  in eraser()
1220 static void n_tty_receive_parity_error(struct tty_struct *tty, unsigned char c)  in n_tty_receive_parity_error()  argument
1230 			put_tty_queue(c, ldata);  in n_tty_receive_parity_error()
1234 		put_tty_queue(c, ldata);  in n_tty_receive_parity_error()
1238 n_tty_receive_signal_char(struct tty_struct *tty, int signal, unsigned char c)  in n_tty_receive_signal_char()  argument
1244 		echo_char(c, tty);  in n_tty_receive_signal_char()
1268 n_tty_receive_char_special(struct tty_struct *tty, unsigned char c)  in n_tty_receive_char_special()  argument
1273 		if (c == START_CHAR(tty)) {  in n_tty_receive_char_special()
1278 		if (c == STOP_CHAR(tty)) {  in n_tty_receive_char_special()
1285 		if (c == INTR_CHAR(tty)) {  in n_tty_receive_char_special()
1286 			n_tty_receive_signal_char(tty, SIGINT, c);  in n_tty_receive_char_special()
1288 		} else if (c == QUIT_CHAR(tty)) {  in n_tty_receive_char_special()
1289 			n_tty_receive_signal_char(tty, SIGQUIT, c);  in n_tty_receive_char_special()
1291 		} else if (c == SUSP_CHAR(tty)) {  in n_tty_receive_char_special()
1292 			n_tty_receive_signal_char(tty, SIGTSTP, c);  in n_tty_receive_char_special()
1302 	if (c == '\r') {  in n_tty_receive_char_special()
1306 			c = '\n';  in n_tty_receive_char_special()
1307 	} else if (c == '\n' && I_INLCR(tty))  in n_tty_receive_char_special()
1308 		c = '\r';  in n_tty_receive_char_special()
1311 		if (c == ERASE_CHAR(tty) || c == KILL_CHAR(tty) ||  in n_tty_receive_char_special()
1312 		    (c == WERASE_CHAR(tty) && L_IEXTEN(tty))) {  in n_tty_receive_char_special()
1313 			eraser(c, tty);  in n_tty_receive_char_special()
1317 		if (c == LNEXT_CHAR(tty) && L_IEXTEN(tty)) {  in n_tty_receive_char_special()
1329 		if (c == REPRINT_CHAR(tty) && L_ECHO(tty) && L_IEXTEN(tty)) {  in n_tty_receive_char_special()
1333 			echo_char(c, tty);  in n_tty_receive_char_special()
1342 		if (c == '\n') {  in n_tty_receive_char_special()
1349 		if (c == EOF_CHAR(tty)) {  in n_tty_receive_char_special()
1350 			c = __DISABLED_CHAR;  in n_tty_receive_char_special()
1353 		if ((c == EOL_CHAR(tty)) ||  in n_tty_receive_char_special()
1354 		    (c == EOL2_CHAR(tty) && L_IEXTEN(tty))) {  in n_tty_receive_char_special()
1362 				echo_char(c, tty);  in n_tty_receive_char_special()
1369 			if (c == (unsigned char) '\377' && I_PARMRK(tty))  in n_tty_receive_char_special()
1370 				put_tty_queue(c, ldata);  in n_tty_receive_char_special()
1374 			put_tty_queue(c, ldata);  in n_tty_receive_char_special()
1384 		if (c == '\n')  in n_tty_receive_char_special()
1390 			echo_char(c, tty);  in n_tty_receive_char_special()
1396 	if (c == (unsigned char) '\377' && I_PARMRK(tty))  in n_tty_receive_char_special()
1397 		put_tty_queue(c, ldata);  in n_tty_receive_char_special()
1399 	put_tty_queue(c, ldata);  in n_tty_receive_char_special()
1404 n_tty_receive_char_inline(struct tty_struct *tty, unsigned char c)  in n_tty_receive_char_inline()  argument
1417 		echo_char(c, tty);  in n_tty_receive_char_inline()
1421 	if (c == (unsigned char) '\377' && I_PARMRK(tty))  in n_tty_receive_char_inline()
1422 		put_tty_queue(c, ldata);  in n_tty_receive_char_inline()
1423 	put_tty_queue(c, ldata);  in n_tty_receive_char_inline()
1426 static void n_tty_receive_char(struct tty_struct *tty, unsigned char c)  in n_tty_receive_char()  argument
1428 	n_tty_receive_char_inline(tty, c);  in n_tty_receive_char()
1432 n_tty_receive_char_fast(struct tty_struct *tty, unsigned char c)  in n_tty_receive_char_fast()  argument
1445 		echo_char(c, tty);  in n_tty_receive_char_fast()
1448 	put_tty_queue(c, ldata);  in n_tty_receive_char_fast()
1451 static void n_tty_receive_char_closing(struct tty_struct *tty, unsigned char c)  in n_tty_receive_char_closing()  argument
1454 		c &= 0x7f;  in n_tty_receive_char_closing()
1456 		c = tolower(c);  in n_tty_receive_char_closing()
1459 		if (c == STOP_CHAR(tty))  in n_tty_receive_char_closing()
1461 		else if (c == START_CHAR(tty) ||  in n_tty_receive_char_closing()
1463 			  c != INTR_CHAR(tty) && c != QUIT_CHAR(tty) &&  in n_tty_receive_char_closing()
1464 			  c != SUSP_CHAR(tty))) {  in n_tty_receive_char_closing()
1472 n_tty_receive_char_flagged(struct tty_struct *tty, unsigned char c, char flag)  in n_tty_receive_char_flagged()  argument
1480 		n_tty_receive_parity_error(tty, c);  in n_tty_receive_char_flagged()
1493 n_tty_receive_char_lnext(struct tty_struct *tty, unsigned char c, char flag)  in n_tty_receive_char_lnext()  argument
1500 			c &= 0x7f;  in n_tty_receive_char_lnext()
1502 			c = tolower(c);  in n_tty_receive_char_lnext()
1503 		n_tty_receive_char(tty, c);  in n_tty_receive_char_lnext()
1505 		n_tty_receive_char_flagged(tty, c, flag);  in n_tty_receive_char_lnext()
1572 			unsigned char c = *cp++;  in n_tty_receive_buf_standard()  local
1575 				c &= 0x7f;  in n_tty_receive_buf_standard()
1577 				c = tolower(c);  in n_tty_receive_buf_standard()
1579 				put_tty_queue(c, ldata);  in n_tty_receive_buf_standard()
1582 			if (!test_bit(c, ldata->char_map))  in n_tty_receive_buf_standard()
1583 				n_tty_receive_char_inline(tty, c);  in n_tty_receive_buf_standard()
1584 			else if (n_tty_receive_char_special(tty, c) && count) {  in n_tty_receive_buf_standard()
1606 			unsigned char c = *cp++;  in n_tty_receive_buf_fast()  local
1608 			if (!test_bit(c, ldata->char_map))  in n_tty_receive_buf_fast()
1609 				n_tty_receive_char_fast(tty, c);  in n_tty_receive_buf_fast()
1610 			else if (n_tty_receive_char_special(tty, c) && count) {  in n_tty_receive_buf_fast()
2038 	size_t n, size, more, c;  in canon_copy_from_read_buf()  local
2069 	c = n + found;  in canon_copy_from_read_buf()
2072 		c = min(*nr, c);  in canon_copy_from_read_buf()
2073 		n = c;  in canon_copy_from_read_buf()
2077 		    __func__, eol, found, n, c, size, more);  in canon_copy_from_read_buf()
2094 	smp_store_release(&ldata->read_tail, ldata->read_tail + c);  in canon_copy_from_read_buf()
2162 	int c;  in n_tty_read()  local
2169 	c = job_control(tty, file);  in n_tty_read()
2170 	if (c < 0)  in n_tty_read()
2171 		return c;  in n_tty_read()
2336 	int c;  in n_tty_write()  local
2374 				c = *b;  in n_tty_write()
2375 				if (process_output(c, tty) < 0)  in n_tty_write()
2386 				c = tty->ops->write(tty, b, nr);  in n_tty_write()
2388 				if (c < 0) {  in n_tty_write()
2389 					retval = c;  in n_tty_write()
2392 				if (!c)  in n_tty_write()
2394 				b += c;  in n_tty_write()
2395 				nr -= c;  in n_tty_write()