File boo1201384.patch of Package ncurses.31889
---
progs/reset_cmd.c | 239 +++++++++++++++++++++++++-------------------
1 file changed, 141 insertions(+), 98 deletions(-)
--- progs/reset_cmd.c
+++ progs/reset_cmd.c 2023-12-12 09:57:14.586500611 +0000
@@ -74,6 +74,9 @@ MODULE_ID("$Id: reset_cmd.c,v 1.13 2017/
# 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 */
@@ -188,12 +191,90 @@ out_char(int c)
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)
{
+ unsigned mask;
+#ifdef TIOCMGET
+ int modem_bits;
+#endif
+
GET_TTY(fd, tty_settings);
#ifdef TERMIOS
@@ -202,6 +283,9 @@ reset_tty_settings(int fd, TTY * tty_set
#endif
reset_char(VEOF, CEOF);
reset_char(VERASE, CERASE);
+#if defined(VERASE2) && defined(CERASE2)
+ reset_char(VERASE2, CERASE2);
+#endif
#if defined(VFLUSH) && defined(CFLUSH)
reset_char(VFLUSH, CFLUSH);
#endif
@@ -227,106 +311,65 @@ reset_tty_settings(int fd, TTY * tty_set
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
+ 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);
- tty_settings->c_lflag |= (ISIG
- | ICANON
- | ECHO
- | ECHOE
- | ECHOK
-#ifdef ECHOCTL
- | ECHOCTL
-#endif
-#ifdef ECHOKE
- | ECHOKE
-#endif
- );
-#endif
+ 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 */
SET_TTY(fd, tty_settings);
}
