/*

 * No copyright is claimed.  This code is in the public domain; do with

 * it what you wish.

 *

 * Written by Karel Zak <kzak@redhat.com>

 */

#ifndef UTIL_LINUX_TTYUTILS_H

#define UTIL_LINUX_TTYUTILS_H

#include <stdio.h>

#include <stdlib.h>

#include <termios.h>

#include <limits.h>

#ifdef HAVE_SYS_IOCTL_H

#include <sys/ioctl.h>

#endif

#ifdef HAVE_SYS_TTYDEFAULTS_H

#include <sys/ttydefaults.h>

#endif

#ifdef USE_TTY_GROUP

# define TTY_MODE 0620

#else

# define TTY_MODE 0600

#endif

#define TTYGRPNAME      "tty"   /* name of group to own ttys */

/* 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 */

/* Fallback for termios->c_cc[] */

#ifndef CREPRINT

# define CREPRINT ('r' & 037)

#endif

#ifndef CDISCARD

# define CDISCARD ('o' & 037)

#endif

/* Default termios->iflag */

#ifndef TTYDEF_IFLAG

# define TTYDEF_IFLAG (BRKINT | ICRNL | IMAXBEL | IXON | IXANY)

#endif

/* Default termios->oflag */

#ifndef TTYDEF_OFLAG

# define TTYDEF_OFLAG (OPOST | ONLCR /*| OXTABS*/)

#endif

/* Default termios->lflag */

#ifndef TTYDEF_LFLAG

# define TTYDEF_LFLAG (ECHO | ICANON | ISIG | IEXTEN | ECHOE|ECHOKE|ECHOCTL)

#endif

/* Default termios->cflag */

#ifndef TTYDEF_CFLAG

# define TTYDEF_CFLAG (CREAD | CS8 | HUPCL)

#endif

/* 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      = CR;        \

          (ptr)->parity   = 0;         \

          (ptr)->capslock = 0;         \

  } while (0)

extern int get_terminal_dimension(int *cols, int *lines);

extern int get_terminal_width(int default_width);

extern int get_terminal_type(const char **type);

extern char *get_terminal_default_type(const char *ttyname, int is_serial);

extern int get_terminal_stdfd(void);

extern int get_terminal_name(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 <sys/ttydefaults.h> 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

#ifndef TAB0

# define TAB0 0

#endif

#ifndef TABDLY

# define TABDLY 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;

}

Unexecuted instantiation: table.c:reset_virtual_console

Unexecuted instantiation: ttyutils.c:reset_virtual_console

#define UL_OSC8   "\033]8"  /* operating system command) */

#define UL_ST   "\033\\"  /* string terminator */

/* OSC8 hyperlink is composed from:

 *

 *  UL_HYPERLINK_START UL_HYPERLINK_PARAMS <uri> UL_HYPERLINK_LINK <link-text> UL_HYPERLINK_END

 *

 * Alternatively, BEL (\a) can be used instead of ST.

 */

#define UL_HYPERLINK_START    UL_OSC8

#define UL_HYPERLINK_PARAMS   ";;"  /* Reserved for future extendability by the OSC8 */

#define UL_HYPERLINK_LINK   UL_ST

#define UL_HYPERLINK_END    (UL_OSC8 ";;" UL_ST)

static inline void ul_fputs_hyperlink(const char *uri, const char *link, FILE *out)

{

  fputs(UL_HYPERLINK_START, out);

  fputs(UL_HYPERLINK_PARAMS, out);

  fputs(uri, out);

  fputs(UL_HYPERLINK_LINK, out);

  fputs(link, out);

  fputs(UL_HYPERLINK_END, out);

}

Unexecuted instantiation: table.c:ul_fputs_hyperlink

Unexecuted instantiation: ttyutils.c:ul_fputs_hyperlink

#endif /* UTIL_LINUX_TTYUTILS_H */