From 7b4c7a681cc4c0a53dc8a8baf4853e921cfbf5de Mon Sep 17 00:00:00 2001 From: bigbiff Date: Thu, 1 Jan 2015 19:44:14 -0500 Subject: Update blkid to 2.25.0 Break libblkid into 4 libraries: libblkid, libuuid, libutil-linux and libfdisk. This should help in later patch updates. Change-Id: I680d9a7feb031e5c29a603e9c58aff4b65826262 --- libblkid/include/ttyutils.h | 168 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 168 insertions(+) create mode 100644 libblkid/include/ttyutils.h (limited to 'libblkid/include/ttyutils.h') diff --git a/libblkid/include/ttyutils.h b/libblkid/include/ttyutils.h new file mode 100644 index 000000000..e842f9f0d --- /dev/null +++ b/libblkid/include/ttyutils.h @@ -0,0 +1,168 @@ +/* + * No copyright is claimed. This code is in the public domain; do with + * it what you wish. + * + * Written by Karel Zak + */ +#ifndef UTIL_LINUX_TTYUTILS_H +#define UTIL_LINUX_TTYUTILS_H + +#include +#include +#include +#ifdef HAVE_SYS_IOCTL_H +#include +#endif +#ifdef HAVE_SYS_TTYDEFAULTS_H +#include +#endif + +/* Some shorthands for control characters. */ +#define CTL(x) ((x) ^ 0100) /* Assumes ASCII dialect */ +#define CR CTL('M') /* carriage return */ +#define NL CTL('J') /* line feed */ +#define BS CTL('H') /* back space */ +#define DEL CTL('?') /* delete */ + +/* Defaults for line-editing etc. characters; you may want to change these. */ +#define DEF_ERASE DEL /* default erase character */ +#define DEF_INTR CTL('C') /* default interrupt character */ +#define DEF_QUIT CTL('\\') /* default quit char */ +#define DEF_KILL CTL('U') /* default kill char */ +#define DEF_EOF CTL('D') /* default EOF char */ +#define DEF_EOL 0 +#define DEF_SWITCH 0 /* default switch char */ + +/* Storage for things detected while the login name was read. */ +struct chardata { + int erase; /* erase character */ + int kill; /* kill character */ + int eol; /* end-of-line character */ + int parity; /* what parity did we see */ + int capslock; /* upper case without lower case */ +}; + +#define INIT_CHARDATA(ptr) do { \ + (ptr)->erase = DEF_ERASE; \ + (ptr)->kill = DEF_KILL; \ + (ptr)->eol = CTRL('r'); \ + (ptr)->parity = 0; \ + (ptr)->capslock = 0; \ + } while (0) + +extern int get_terminal_width(void); +extern int get_terminal_name(int fd, const char **path, const char **name, + const char **number); + +#define UL_TTY_KEEPCFLAGS (1 << 1) +#define UL_TTY_UTF8 (1 << 2) + +static inline void reset_virtual_console(struct termios *tp, int flags) +{ + /* Use defaults of for base settings */ + tp->c_iflag |= TTYDEF_IFLAG; + tp->c_oflag |= TTYDEF_OFLAG; + tp->c_lflag |= TTYDEF_LFLAG; + + if ((flags & UL_TTY_KEEPCFLAGS) == 0) { +#ifdef CBAUD + tp->c_lflag &= ~CBAUD; +#endif + tp->c_cflag |= (B38400 | TTYDEF_CFLAG); + } + + /* Sane setting, allow eight bit characters, no carriage return delay + * the same result as `stty sane cr0 pass8' + */ +#ifndef IUCLC +# define IUCLC 0 +#endif +#ifndef NL0 +# define NL0 0 +#endif +#ifndef CR0 +# define CR0 0 +#endif +#ifndef BS0 +# define BS0 0 +#endif +#ifndef VT0 +# define VT0 0 +#endif +#ifndef FF0 +# define FF0 0 +#endif +#ifndef OLCUC +# define OLCUC 0 +#endif +#ifndef OFILL +# define OFILL 0 +#endif +#ifndef NLDLY +# define NLDLY 0 +#endif +#ifndef CRDLY +# define CRDLY 0 +#endif +#ifndef BSDLY +# define BSDLY 0 +#endif +#ifndef VTDLY +# define VTDLY 0 +#endif +#ifndef FFDLY +# define FFDLY 0 +#endif + + tp->c_iflag |= (BRKINT | ICRNL | IMAXBEL); + tp->c_iflag &= ~(IGNBRK | INLCR | IGNCR | IXOFF | IUCLC | IXANY | ISTRIP); + tp->c_oflag |= (OPOST | ONLCR | NL0 | CR0 | TAB0 | BS0 | VT0 | FF0); + tp->c_oflag &= ~(OLCUC | OCRNL | ONOCR | ONLRET | OFILL | \ + NLDLY|CRDLY|TABDLY|BSDLY|VTDLY|FFDLY); + tp->c_lflag |= (ISIG | ICANON | IEXTEN | ECHO|ECHOE|ECHOK|ECHOKE|ECHOCTL); + tp->c_lflag &= ~(ECHONL|ECHOPRT | NOFLSH | TOSTOP); + + if ((flags & UL_TTY_KEEPCFLAGS) == 0) { + tp->c_cflag |= (CREAD | CS8 | HUPCL); + tp->c_cflag &= ~(PARODD | PARENB); + } +#ifdef OFDEL + tp->c_oflag &= ~OFDEL; +#endif +#ifdef XCASE + tp->c_lflag &= ~XCASE; +#endif +#ifdef IUTF8 + if (flags & UL_TTY_UTF8) + tp->c_iflag |= IUTF8; /* Set UTF-8 input flag */ + else + tp->c_iflag &= ~IUTF8; +#endif + /* VTIME and VMIN can overlap with VEOF and VEOL since they are + * only used for non-canonical mode. We just set the at the + * beginning, so nothing bad should happen. + */ + tp->c_cc[VTIME] = 0; + tp->c_cc[VMIN] = 1; + tp->c_cc[VINTR] = CINTR; + tp->c_cc[VQUIT] = CQUIT; + tp->c_cc[VERASE] = CERASE; /* ASCII DEL (0177) */ + tp->c_cc[VKILL] = CKILL; + tp->c_cc[VEOF] = CEOF; +#ifdef VSWTC + tp->c_cc[VSWTC] = _POSIX_VDISABLE; +#elif defined(VSWTCH) + tp->c_cc[VSWTCH] = _POSIX_VDISABLE; +#endif + tp->c_cc[VSTART] = CSTART; + tp->c_cc[VSTOP] = CSTOP; + tp->c_cc[VSUSP] = CSUSP; + tp->c_cc[VEOL] = _POSIX_VDISABLE; + tp->c_cc[VREPRINT] = CREPRINT; + tp->c_cc[VDISCARD] = CDISCARD; + tp->c_cc[VWERASE] = CWERASE; + tp->c_cc[VLNEXT] = CLNEXT; + tp->c_cc[VEOL2] = _POSIX_VDISABLE; +} + +#endif /* UTIL_LINUX_TTYUTILS_H */ -- cgit v1.2.3