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| author | Denys Vlasenko | 2011-01-26 15:56:51 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2011-01-26 15:56:51 +0100 |
| commit | cf9d33a894230479b317ccee120342e3a32c836c (patch) | |
| tree | e5bf99cd2aab7747af551b9ba7f71216ba5f5d15 /loginutils | |
| parent | ddd1ec1c279da19a79238ce9df820d79415fa33a (diff) | |
| download | busybox-cf9d33a894230479b317ccee120342e3a32c836c.zip busybox-cf9d33a894230479b317ccee120342e3a32c836c.tar.gz | |
getty: do not clear all c_cflag's (we were clearing baud bits!)
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'loginutils')
| -rw-r--r-- | loginutils/getty.c | 40 |
1 files changed, 28 insertions, 12 deletions
diff --git a/loginutils/getty.c b/loginutils/getty.c index 0355341..3cf296e 100644 --- a/loginutils/getty.c +++ b/loginutils/getty.c @@ -258,13 +258,34 @@ static void termios_init(int speed) if (speed != B0) cfsetspeed(&G.termios, speed); - /* Initial termios settings: 8-bit characters, raw-mode, blocking i/o. + /* Initial termios settings: 8-bit characters, raw mode, blocking i/o. * Special characters are set after we have read the login name; all - * reads will be done in raw mode anyway. Errors will be dealt with - * later on. + * reads will be done in raw mode anyway. */ - /* 8 bits; hang up (drop DTR) on last close; enable receive */ - G.termios.c_cflag = CS8 | HUPCL | CREAD; + /* Clear all bits except: */ + G.termios.c_cflag &= (0 + /* 2 stop bits (1 otherwise) + * Enable parity bit (both on input and output) + * Odd parity (else even) + */ + | CSTOPB | PARENB | PARODD +#ifdef CBAUDEX + | CMSPAR /* mark or space parity */ +#endif + | CBAUD /* (output) baud rate */ +#ifdef CBAUDEX + | CBAUDEX /* (output) baud rate */ +#endif +#ifdef CIBAUD + | CIBAUD /* input baud rate */ +#endif +#ifdef CRTSCTS + | CRTSCTS /* flow control using RTS/CTS pins */ +#endif + | CLOCAL + ); + /* Set: 8 bits; hang up (drop DTR) on last close; enable receive */ + G.termios.c_cflag |= CS8 | HUPCL | CREAD; if (option_mask32 & F_LOCAL) { /* ignore Carrier Detect pin: * opens don't block when CD is low, @@ -274,13 +295,8 @@ static void termios_init(int speed) } #ifdef CRTSCTS if (option_mask32 & F_RTSCTS) - G.termios.c_cflag |= CRTSCTS; /* flow control using RTS/CTS pins */ + G.termios.c_cflag |= CRTSCTS; #endif - /* Other bits in c_cflag: - * CSTOPB 2 stop bits (1 otherwise) - * PARENB Enable parity bit (both on input and output) - * PARODD Odd parity (else even) - */ G.termios.c_iflag = 0; G.termios.c_lflag = 0; /* non-raw output; add CR to each NL */ @@ -415,7 +431,7 @@ static void auto_baud(void) } } - /* Restore terminal settings. Errors will be dealt with later on */ + /* Restore terminal settings */ G.termios.c_cc[VMIN] = 1; /* restore to value set by termios_init */ set_termios(); } |