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Fix #50: Reset TTY properly in stty()

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Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson
2016-12-08 01:38:05 +01:00
parent 8def97a465
commit 1b6930126e
1 changed files with 23 additions and 2 deletions
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getty.c
+23 -2
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@@ -28,6 +28,7 @@
#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/utsname.h>
#include <sys/ttydefaults.h> /* Not included by default in musl libc */
#include <termios.h>
#include "finit.h"
@@ -73,15 +74,35 @@ static void stty(int fd, speed_t speed)
cfsetispeed(&term, speed);
cfsetospeed(&term, speed);
tcsetattr(fd, TCSAFLUSH, &term);
tcflush(fd, TCIOFLUSH);
/* Disable modem specific flags */
term.c_cflag &= (0|CSTOPB|PARENB|PARODD);
term.c_cflag &= ~CRTSCTS;
term.c_cflag |= CLOCAL;
/* Timeouts, minimum chars and default flags */
term.c_cc[VTIME] = 0;
term.c_cc[VMIN] = 1;
term.c_iflag = ICRNL|IXON|IXOFF;
term.c_oflag = OPOST|ONLCR;
term.c_cflag |= CS8|CREAD|HUPCL|CBAUDEX;
term.c_lflag |= ISIG|ICANON|ECHO|ECHOE|ECHOK|ECHOKE;
/* Reset special characters to defaults */
term.c_cc[VINTR] = CTRL('C');
term.c_cc[VQUIT] = CTRL('\\');
term.c_cc[VEOF] = CTRL('D');
term.c_cc[VEOL] = '\n';
term.c_cc[VKILL] = CTRL('U');
term.c_cc[VERASE] = CERASE;
tcsetattr(fd, TCSANOW, &term);
/* Clear screen in silent mode */
if (silent)
print("\033[r\033[H\033[J");
}
/*
* Parse and display a line from /etc/issue
*/