#include <sys/ptem.h>
#endif
-MODULE_ID("$Id: reset_cmd.c,v 1.29 2023/01/07 21:50:34 tom Exp $")
+MODULE_ID("$Id: reset_cmd.c,v 1.35 2023/11/05 00:02:37 tom Exp $")
/*
* SCO defines TIOCGSIZE and the corresponding struct. Other systems (SunOS,
# endif
#endif
+#define set_flags(target, mask) target |= mask
+#define clear_flags(target, mask) target &= ~((unsigned)(mask))
+
static FILE *my_file;
static bool use_reset = FALSE; /* invoked as reset */
#define reset_char(item, value) \
tty_settings->c_cc[item] = CHK(tty_settings->c_cc[item], value)
+/*
+ * Simplify ifdefs
+ */
+#ifndef BSDLY
+#define BSDLY 0
+#endif
+#ifndef CRDLY
+#define CRDLY 0
+#endif
+#ifndef ECHOCTL
+#define ECHOCTL 0
+#endif
+#ifndef ECHOKE
+#define ECHOKE 0
+#endif
+#ifndef ECHOPRT
+#define ECHOPRT 0
+#endif
+#ifndef FFDLY
+#define FFDLY 0
+#endif
+#ifndef IMAXBEL
+#define IMAXBEL 0
+#endif
+#ifndef IUCLC
+#define IUCLC 0
+#endif
+#ifndef IXANY
+#define IXANY 0
+#endif
+#ifndef NLDLY
+#define NLDLY 0
+#endif
+#ifndef OCRNL
+#define OCRNL 0
+#endif
+#ifndef OFDEL
+#define OFDEL 0
+#endif
+#ifndef OFILL
+#define OFILL 0
+#endif
+#ifndef OLCUC
+#define OLCUC 0
+#endif
+#ifndef ONLCR
+#define ONLCR 0
+#endif
+#ifndef ONLRET
+#define ONLRET 0
+#endif
+#ifndef ONOCR
+#define ONOCR 0
+#endif
+#ifndef OXTABS
+#define OXTABS 0
+#endif
+#ifndef TAB3
+#define TAB3 0
+#endif
+#ifndef TABDLY
+#define TABDLY 0
+#endif
+#ifndef TOSTOP
+#define TOSTOP 0
+#endif
+#ifndef VTDLY
+#define VTDLY 0
+#endif
+#ifndef XCASE
+#define XCASE 0
+#endif
+
/*
* Reset the terminal mode bits to a sensible state. Very useful after
* a child program dies in raw mode.
void
reset_tty_settings(int fd, TTY * tty_settings, int noset)
{
+ unsigned mask;
+#ifdef TIOCMGET
+ int modem_bits;
+#endif
+
GET_TTY(fd, tty_settings);
#ifdef TERMIOS
reset_char(VWERASE, CWERASE);
#endif
- tty_settings->c_iflag &= ~((unsigned) (IGNBRK
- | PARMRK
- | INPCK
- | ISTRIP
- | INLCR
- | IGNCR
-#ifdef IUCLC
- | IUCLC
-#endif
-#ifdef IXANY
- | IXANY
-#endif
- | IXOFF));
-
- tty_settings->c_iflag |= (BRKINT
- | IGNPAR
- | ICRNL
- | IXON
-#ifdef IMAXBEL
- | IMAXBEL
-#endif
- );
-
- tty_settings->c_oflag &= ~((unsigned) (0
-#ifdef OLCUC
- | OLCUC
-#endif
-#ifdef OCRNL
- | OCRNL
-#endif
-#ifdef ONOCR
- | ONOCR
-#endif
-#ifdef ONLRET
- | ONLRET
-#endif
-#ifdef OFILL
- | OFILL
-#endif
-#ifdef OFDEL
- | OFDEL
-#endif
-#ifdef NLDLY
- | NLDLY
-#endif
-#ifdef CRDLY
- | CRDLY
-#endif
-#ifdef TABDLY
- | TABDLY
-#endif
-#ifdef BSDLY
- | BSDLY
-#endif
-#ifdef VTDLY
- | VTDLY
-#endif
-#ifdef FFDLY
- | FFDLY
-#endif
- ));
-
- tty_settings->c_oflag |= (OPOST
-#ifdef ONLCR
- | ONLCR
-#endif
- );
-
- tty_settings->c_cflag &= ~((unsigned) (CSIZE
- | CSTOPB
- | PARENB
- | PARODD
- | CLOCAL));
- tty_settings->c_cflag |= (CS8 | CREAD);
- tty_settings->c_lflag &= ~((unsigned) (ECHONL
- | NOFLSH
-#ifdef TOSTOP
- | TOSTOP
-#endif
-#ifdef ECHOPTR
- | ECHOPRT
-#endif
-#ifdef XCASE
- | XCASE
-#endif
- ));
-
- tty_settings->c_lflag |= (ISIG
- | ICANON
- | ECHO
- | ECHOE
- | ECHOK
-#ifdef ECHOCTL
- | ECHOCTL
-#endif
-#ifdef ECHOKE
- | ECHOKE
-#endif
- );
-#endif
+ clear_flags(tty_settings->c_iflag, (IGNBRK
+ | PARMRK
+ | INPCK
+ | ISTRIP
+ | INLCR
+ | IGNCR
+ | IUCLC
+ | IXANY
+ | IXOFF));
+
+ set_flags(tty_settings->c_iflag, (BRKINT
+ | IGNPAR
+ | ICRNL
+ | IXON
+ | IMAXBEL));
+
+ clear_flags(tty_settings->c_oflag, (0
+ | OLCUC
+ | OCRNL
+ | ONOCR
+ | ONLRET
+ | OFILL
+ | OFDEL
+ | NLDLY
+ | CRDLY
+ | TABDLY
+ | BSDLY
+ | VTDLY
+ | FFDLY));
+
+ set_flags(tty_settings->c_oflag, (OPOST
+ | ONLCR));
+
+ mask = (CSIZE | CSTOPB | PARENB | PARODD);
+#ifdef TIOCMGET
+ /* leave clocal alone if this appears to use a modem */
+ if (ioctl(fd, TIOCMGET, &modem_bits) == -1)
+ mask |= CLOCAL;
+#else
+ /* cannot check - use the behavior from tset */
+ mask |= CLOCAL;
+#endif
+ clear_flags(tty_settings->c_cflag, mask);
+
+ set_flags(tty_settings->c_cflag, (CS8 | CREAD));
+ clear_flags(tty_settings->c_lflag, (ECHONL
+ | NOFLSH
+ | TOSTOP
+ | ECHOPRT
+ | XCASE));
+
+ set_flags(tty_settings->c_lflag, (ISIG
+ | ICANON
+ | ECHO
+ | ECHOE
+ | ECHOK
+ | ECHOCTL
+ | ECHOKE));
+#endif /* TERMIOS */
if (!noset) {
SET_TTY(fd, tty_settings);
#if defined(EXP_WIN32_DRIVER)
/* FIXME */
#else
-#ifdef ONLCR
- tty_settings->c_oflag |= ONLCR;
-#endif
- tty_settings->c_iflag |= ICRNL;
- tty_settings->c_lflag |= ECHO;
-#ifdef OXTABS
- tty_settings->c_oflag |= OXTABS;
-#endif /* OXTABS */
+ set_flags(tty_settings->c_oflag, ONLCR);
+ set_flags(tty_settings->c_iflag, ICRNL);
+ set_flags(tty_settings->c_lflag, ECHO);
+ set_flags(tty_settings->c_oflag, OXTABS);
/* test used to be tgetflag("NL") */
if (VALID_STRING(newline) && newline[0] == '\n' && !newline[1]) {
/* Newline, not linefeed. */
-#ifdef ONLCR
- tty_settings->c_oflag &= ~((unsigned) ONLCR);
-#endif
- tty_settings->c_iflag &= ~((unsigned) ICRNL);
+ clear_flags(tty_settings->c_oflag, ONLCR);
+ clear_flags(tty_settings->c_iflag, ICRNL);
}
-#ifdef OXTABS
+#if OXTABS
/* test used to be tgetflag("pt") */
if (VALID_STRING(set_tab) && VALID_STRING(clear_all_tabs))
- tty_settings->c_oflag &= ~OXTABS;
+ clear_flags(tty_settings->c_oflag, OXTABS);
#endif /* OXTABS */
- tty_settings->c_lflag |= (ECHOE | ECHOK);
+ set_flags(tty_settings->c_lflag, (ECHOE | ECHOK));
#endif
}
bool need_flush = FALSE;
(void) old_settings;
-#ifdef TAB3
+#if TAB3
if (old_settings != 0 &&
old_settings->c_oflag & (TAB3 | ONLCR | OCRNL | ONLRET)) {
old_settings->c_oflag &= (TAB3 | ONLCR | OCRNL | ONLRET);
if (VALID_STRING(clear_margins)) {
need_flush |= sent_string(clear_margins);
- } else
+ }
#if defined(set_lr_margin)
- if (VALID_STRING(set_lr_margin)) {
+ else if (VALID_STRING(set_lr_margin)) {
need_flush |= sent_string(TIPARM_2(set_lr_margin, 0, columns - 1));
- } else
+ }
#endif
#if defined(set_left_margin_parm) && defined(set_right_margin_parm)
- if (VALID_STRING(set_left_margin_parm)
- && VALID_STRING(set_right_margin_parm)) {
+ else if (VALID_STRING(set_left_margin_parm)
+ && VALID_STRING(set_right_margin_parm)) {
need_flush |= sent_string(TIPARM_1(set_left_margin_parm, 0));
need_flush |= sent_string(TIPARM_1(set_right_margin_parm,
columns - 1));
- } else
+ }
#endif
- if (VALID_STRING(set_left_margin)
- && VALID_STRING(set_right_margin)) {
+ else if (VALID_STRING(set_left_margin)
+ && VALID_STRING(set_right_margin)) {
need_flush |= to_left_margin();
need_flush |= sent_string(set_left_margin);
if (VALID_STRING(parm_right_cursor)) {
projects / ncurses.git / blobdiff