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Use existing termios and get rid of stuff we don't want rather than constructing a new one.

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This commit is contained in:
Nicholas Marriott 2008-06-10 18:51:22 +00:00
parent b590b5dd0b
commit 119bc8779a
1 changed files with 11 additions and 1 deletions
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12
tty.c
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@ -1,4 +1,4 @@
/* $Id: tty.c,v 1.22 2008-06-07 06:43:50 nicm Exp $ */ /* $Id: tty.c,v 1.23 2008-06-10 18:51:22 nicm Exp $ */
/* /*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -82,6 +82,11 @@ tty_open(struct tty *tty, char **cause)
if (tcgetattr(tty->fd, &tty->tio) != 0) if (tcgetattr(tty->fd, &tty->tio) != 0)
fatal("tcgetattr failed"); fatal("tcgetattr failed");
#if 0
/*
* This fails on some Linuxes with EINVAL. Which is weird since
* all we do is take stuff out of the defaults...
*/
memset(&tio, 0, sizeof tio); memset(&tio, 0, sizeof tio);
tio.c_iflag = TTYDEF_IFLAG & ~(IXON|IXOFF|ICRNL|INLCR); tio.c_iflag = TTYDEF_IFLAG & ~(IXON|IXOFF|ICRNL|INLCR);
tio.c_oflag = TTYDEF_OFLAG & ~(OPOST|ONLCR|OCRNL|ONLRET); tio.c_oflag = TTYDEF_OFLAG & ~(OPOST|ONLCR|OCRNL|ONLRET);
@ -90,6 +95,11 @@ tty_open(struct tty *tty, char **cause)
tio.c_cflag = TTYDEF_CFLAG; tio.c_cflag = TTYDEF_CFLAG;
memcpy(&tio.c_cc, ttydefchars, sizeof tio.c_cc); memcpy(&tio.c_cc, ttydefchars, sizeof tio.c_cc);
cfsetspeed(&tio, TTYDEF_SPEED); cfsetspeed(&tio, TTYDEF_SPEED);
#endif
memcpy(&tio, &tty->tio, sizeof tio);
tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR);
tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHOKE|ECHOCTL|ISIG);
if (tcsetattr(tty->fd, TCSANOW, &tio) != 0) if (tcsetattr(tty->fd, TCSANOW, &tio) != 0)
fatal("tcsetattr failed"); fatal("tcsetattr failed");