usr.bin/tset/set.c

50  * Reset the terminal mode bits to a sensible state.  Very useful after
51  * a child program dies in raw mode.
56 	tcgetattr(STDERR_FILENO, &mode);
59 	mode.c_cc[VDISCARD] = CHK(mode.c_cc[VDISCARD], CDISCARD);
61 	mode.c_cc[VEOF] = CHK(mode.c_cc[VEOF], CEOF);
62 	mode.c_cc[VERASE] = CHK(mode.c_cc[VERASE], CERASE);
64 	mode.c_cc[VFLUSH] = CHK(mode.c_cc[VFLUSH], CFLUSH);
66 	mode.c_cc[VINTR] = CHK(mode.c_cc[VINTR], CINTR);
67 	mode.c_cc[VKILL] = CHK(mode.c_cc[VKILL], CKILL);
69 	mode.c_cc[VLNEXT] = CHK(mode.c_cc[VLNEXT], CLNEXT);
71 	mode.c_cc[VQUIT] = CHK(mode.c_cc[VQUIT], CQUIT);
73 	mode.c_cc[VREPRINT] = CHK(mode.c_cc[VREPRINT], CRPRNT);
75 	mode.c_cc[VSTART] = CHK(mode.c_cc[VSTART], CSTART);
76 	mode.c_cc[VSTOP] = CHK(mode.c_cc[VSTOP], CSTOP);
77 	mode.c_cc[VSUSP] = CHK(mode.c_cc[VSUSP], CSUSP);
79 	mode.c_cc[VWERASE] = CHK(mode.c_cc[VWERASE], CWERASE);
82 	mode.c_iflag &= ~(IGNBRK | PARMRK | INPCK | ISTRIP | INLCR | IGNCR
91 	mode.c_iflag |= (BRKINT | IGNPAR | ICRNL | IXON
97 	mode.c_oflag &= ~(0
121 	mode.c_oflag |= (OPOST
127 	mode.c_cflag &= ~(CSIZE | CSTOPB | PARENB | PARODD | CLOCAL);
128 	mode.c_cflag |= (CS8 | CREAD);
129 	mode.c_lflag &= ~(ECHONL | NOFLSH | TOSTOP
138 	mode.c_lflag |= (ISIG | ICANON | ECHO | ECHOE | ECHOK
147 	tcsetattr(STDERR_FILENO, TCSADRAIN, &mode);
152  * entry and command line and update their values in 'mode'.
175 	if (mode.c_cc[VERASE] == 0 || erasech != 0)
176 		mode.c_cc[VERASE] = erasech ? erasech : CERASE;
178 	if (mode.c_cc[VINTR] == 0 || intrchar != 0)
179 		 mode.c_cc[VINTR] = intrchar ? intrchar : CINTR;
181 	if (mode.c_cc[VKILL] == 0 || killch != 0)
182 		mode.c_cc[VKILL] = killch ? killch : CKILL;
186  * Set up various conversions in 'mode', including parity, tabs, returns,
196 		mode.c_iflag |= IUCLC;
197 		mode.c_oflag |= OLCUC;
201 		mode.c_iflag &= ~IUCLC;
202 		mode.c_oflag &= ~OLCUC;
205 	mode.c_iflag &= ~(PARMRK | INPCK);
206 	mode.c_lflag |= ICANON;
208 		mode.c_cflag |= PARENB;
209 		mode.c_cflag &= ~PARODD;
212 		mode.c_cflag |= PARENB;
213 		mode.c_cflag |= PARODD;
217 	mode.c_oflag |= ONLCR;
219 	mode.c_iflag |= ICRNL;
220 	mode.c_lflag |= ECHO;
221 	mode.c_oflag |= OXTABS;
224 		mode.c_oflag &= ~ONLCR;
226 		mode.c_iflag &= ~ICRNL;
229 		mode.c_lflag &= ~ECHO;
231 		mode.c_oflag &= ~OXTABS;
232 	mode.c_lflag |= (ECHOE | ECHOK);