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- /* gitkeys.c -- An utility designed to help users to find out what is the
- escape sequences sent by a particular key. Users can use this to set up
- their configuration files. */
-
- /* Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- /* Written by Tudor Hulubei and Andrei Pitis. */
-
-
- #ifdef HAVE_CONFIG_H
- #include <config.h>
- #endif
-
- #include <stdio.h>
-
- #ifdef HAVE_STDLIB_H
- #include <stdlib.h>
- #else /* !HAVE_STDLIB_H */
- #include "ansi_stdlib.h"
- #endif /* !HAVE_STDLIB_H */
-
- #include <sys/types.h>
- #include <sys/ioctl.h>
-
-
- #ifdef HAVE_POSIX_TTY
- #include <termios.h>
- #else
- #ifdef HAVE_SYSTEMV_TTY
- #include <termio.h>
- #else
- #include <sgtty.h>
- #endif
- #endif
-
- #include <signal.h>
-
- #ifdef HAVE_UNISTD_H
- #include <unistd.h>
- #endif /* HAVE_UNISTD_H */
-
- #include "stdc.h"
- #include "xio.h"
-
-
- /* Stolen from GNU Emacs. */
- #ifdef _POSIX_VDISABLE
- #define CDISABLE _POSIX_VDISABLE
- #else /* not _POSIX_VDISABLE */
- #ifdef CDEL
- #undef CDISABLE
- #define CDISABLE CDEL
- #else /* not CDEL */
- #define CDISABLE 255
- #endif /* not CDEL */
- #endif /* not _POSIX_VDISABLE */
-
-
- #ifdef HAVE_LINUX
- speed_t ospeed;
- #else /* !HAVE_LINUX */
- short ospeed;
- #endif /* !HAVE_LINUX */
-
-
- #define TTY_OUTPUT 1
-
-
- #ifdef HAVE_POSIX_TTY
- static struct termios old_term;
- static struct termios new_term;
- #else
- #ifdef HAVE_SYSTEMV_TTY
- static struct termio old_term;
- static struct termio new_term;
- #else
- static struct sgttyb old_arg;
- static struct tchars old_targ;
- static struct ltchars old_ltarg;
- static struct sgttyb new_arg;
- static struct tchars new_targ;
- static struct ltchars new_ltarg;
-
- /* NextStep doesn't define TILDE. */
- #ifndef TILDE
- #define TILDE 0
- #endif
-
- #endif /* HAVE_SYSTEMV_TTY */
- #endif /* HAVE_POSIX_TTY */
-
-
- RETSIGTYPE do_exit PROTO ((int));
-
-
- void
- tty_init()
- {
- /* This simply doesn't fit into the current scheme. Maybe the tt
- stuff should be moved into a separate library. This is clearly
- a self contained function. */
- {
- #ifdef HAVE_POSIX_TTY
- tcgetattr(TTY_OUTPUT, &old_term);
-
- signal(SIGTERM, do_exit);
- signal(SIGQUIT, do_exit);
- signal(SIGINT, do_exit);
-
- new_term = old_term;
- new_term.c_iflag &= ~(IXON | ICRNL | IGNCR | INLCR | IGNBRK | BRKINT);
- new_term.c_oflag &= ~OPOST;
- new_term.c_lflag |= ISIG | NOFLSH;
- new_term.c_lflag &= ~(ICANON | ECHO);
-
- /* I think we will always have these ones: */
-
- new_term.c_cc[VINTR] = CDISABLE;
- new_term.c_cc[VQUIT] = CDISABLE;
-
- #ifdef VSTART
- new_term.c_cc[VSTART] = CDISABLE;
- #endif
-
- #ifdef VSTOP
- new_term.c_cc[VSTOP] = CDISABLE;
- #endif
-
- new_term.c_cc[VMIN] = 1;
- new_term.c_cc[VTIME] = 0;
-
- /* ... but not always these ones: (in fact I am not sure if I
- really need to overwrite all these, but just in case... */
-
- #ifdef VERASE
- new_term.c_cc[VERASE] = CDISABLE;
- #endif
-
- #ifdef VKILL
- new_term.c_cc[VKILL] = CDISABLE;
- #endif
-
- #ifdef VEOL
- new_term.c_cc[VEOL] = CDISABLE;
- #endif
-
- #ifdef VEOL2
- new_term.c_cc[VEOL2] = CDISABLE;
- #endif
-
- #ifdef VSWTCH
- new_term.c_cc[VSWTCH] = CDISABLE;
- #endif
-
- #ifdef VSUSP
- new_term.c_cc[VSUSP] = CDISABLE;
- #endif
-
- #ifdef VDSUSP
- new_term.c_cc[VDSUSP] = CDISABLE;
- #endif
-
- #ifdef VREPRINT
- new_term.c_cc[VREPRINT] = CDISABLE;
- #endif
-
- #ifdef VDISCARD
- new_term.c_cc[VDISCARD] = CDISABLE;
- #endif
-
- #ifdef VWERASE
- new_term.c_cc[VWERASE] = CDISABLE;
- #endif
-
- #ifdef VLNEXT
- new_term.c_cc[VLNEXT] = CDISABLE;
- #endif
-
- tcsetattr(TTY_OUTPUT, TCSADRAIN, &new_term);
- ospeed = cfgetospeed(&new_term);
- #else
- #ifdef HAVE_SYSTEMV_TTY
- ioctl(TTY_OUTPUT, TCGETA, &old_term);
-
- signal(SIGTERM, do_exit);
- signal(SIGQUIT, do_exit);
- signal(SIGINT, do_exit);
-
- new_term = old_term;
- new_term.c_iflag &= ~(IXON | ICRNL | IGNCR | INLCR);
- new_term.c_oflag = 0;
- new_term.c_lflag = 0;
-
- /* I think we will always have these: */
-
- new_term.c_cc[VINTR] = CDISABLE;
- new_term.c_cc[VQUIT] = CDISABLE;
-
- #ifdef VSTART
- new_term.c_cc[VSTART] = CDISABLE;
- #endif
-
- #ifdef VSTOP
- new_term.c_cc[VSTOP] = CDISABLE;
- #endif
-
- new_term.c_cc[VMIN] = 1;
- new_term.c_cc[VTIME] = 0;
-
- /* ... but not always these: (in fact I am not sure if I really
- need to overwrite all these, but just in case... */
-
- #ifdef VERASE
- new_term.c_cc[VERASE] = CDISABLE;
- #endif
-
- #ifdef VKILL
- new_term.c_cc[VKILL] = CDISABLE;
- #endif
-
- #ifdef VEOL
- new_term.c_cc[VEOL] = CDISABLE;
- #endif
-
- #ifdef VEOL2
- new_term.c_cc[VEOL2] = CDISABLE;
- #endif
-
- #ifdef VSWTCH
- new_term.c_cc[VSWTCH] = CDISABLE;
- #endif
-
- #ifdef VSUSP
- new_term.c_cc[VSUSP] = key_SUSPEND; /* Ctrl-Z */
- #endif
-
- #ifdef VDSUSP
- new_term.c_cc[VDSUSP] = CDISABLE;
- #endif
-
- #ifdef VREPRINT
- new_term.c_cc[VREPRINT] = CDISABLE;
- #endif
-
- #ifdef VDISCARD
- new_term.c_cc[VDISCARD] = CDISABLE;
- #endif
-
- #ifdef VWERASE
- new_term.c_cc[VWERASE] = CDISABLE;
- #endif
-
- #ifdef VLNEXT
- new_term.c_cc[VLNEXT] = CDISABLE;
- #endif
-
- ioctl(TTY_OUTPUT, TCSETAW, &new_term);
- ospeed = new_term.c_cflag & CBAUD;
- #else
- ioctl(TTY_OUTPUT, TIOCGETP, &old_arg);
- ioctl(TTY_OUTPUT, TIOCGETC, &old_targ);
- ioctl(TTY_OUTPUT, TIOCGLTC, &old_ltarg);
-
- signal(SIGTERM, do_exit);
- signal(SIGQUIT, do_exit);
- signal(SIGINT, do_exit);
-
- new_arg = old_arg;
- new_targ = old_targ;
- new_ltarg = old_ltarg;
- new_arg.sg_flags = ((old_arg.sg_flags &
- ~(ECHO | CRMOD | XTABS | ALLDELAY | TILDE)) | CBREAK);
- new_targ.t_intrc = CDISABLE;
- new_targ.t_quitc = CDISABLE;
- new_targ.t_stopc = CDISABLE;
- new_targ.t_startc = CDISABLE;
- new_targ.t_eofc = CDISABLE;
- new_targ.t_brkc = CDISABLE;
- new_ltarg.t_lnextc = CDISABLE;
- new_ltarg.t_flushc = CDISABLE;
- new_ltarg.t_werasc = CDISABLE;
- new_ltarg.t_rprntc = CDISABLE;
- new_ltarg.t_dsuspc = CDISABLE; /* DSUSPC (delayed SUSPC, ^Y). */
- new_ltarg.t_suspc = CDISABLE;
-
- ioctl(TTY_OUTPUT, TIOCSETN, &new_arg);
- ioctl(TTY_OUTPUT, TIOCSETC, &new_targ);
- ioctl(TTY_OUTPUT, TIOCSLTC, &new_ltarg);
- ospeed = new_arg.sg_ospeed;
- #endif /* HAVE_SYSTEMV_TTY */
- #endif /* HAVE_POSIX_TTY */
-
- /* Try to make sure the terminal is not locked. */
- #ifdef TCXONC
- #ifdef __QNX__
- {
- int value = 1;
- ioctl (TTY_OUTPUT, TCXONC, &value);
- }
- #else
- ioctl(TTY_OUTPUT, TCXONC, 1);
- #endif
- #endif
-
- #ifndef APOLLO
- #ifdef TIOCSTART
- ioctl(TTY_OUTPUT, TIOCSTART, 0);
- #endif
- #endif
-
- #ifdef HAVE_POSIX_TTY
- #ifdef TCOON
- tcflow(TTY_OUTPUT, TCOON);
- #endif
- #endif
- }
- }
-
-
- void
- tty_end()
- {
- #ifdef HAVE_POSIX_TTY
- tcsetattr(TTY_OUTPUT, TCSADRAIN, &old_term);
- #else
- #ifdef HAVE_SYSTEMV_TTY
- ioctl(TTY_OUTPUT, TCSETAW, &old_term);
- #else
- ioctl(TTY_OUTPUT, TIOCSETN, &old_arg);
- ioctl(TTY_OUTPUT, TIOCSETC, &old_targ);
- ioctl(TTY_OUTPUT, TIOCSLTC, &old_ltarg);
- #endif /* HAVE_SYSTEMV_TTY */
- #endif /* HAVE_POSIX_TTY */
- }
-
-
- RETSIGTYPE
- do_exit(signum)
- int signum;
- {
- tty_end();
- exit(1);
- }
-
-
- int
- main()
- {
- char c;
-
- #ifdef HAVE_GCC
- printf(PRODUCT" "VERSION" - Display key sequence utility\n");
- #else
- printf("GNU Interactive Tools 4.3.11 - Display key sequence utility\n");
- #endif /* !HAVE_GCC */
- printf("GIT is free software; you can redistribute it and/or modify it under the\n");
- printf("terms of the GNU General Public License as published by the Free Software\n");
- printf("Foundation; either version 2, or (at your option) any later version.\n");
- printf("Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.\n");
- printf("Written by Tudor Hulubei and Andrei Pitis, students at PUB, Romania\n");
-
- printf("\nPress space when done.\n\n");
-
- tty_init();
-
- #ifdef SIGTSTP
- signal(SIGTSTP, SIG_IGN);
- #endif
-
- #ifdef SIGCONT
- signal(SIGCONT, SIG_IGN);
- #endif
-
- for (;;)
- {
- read(0, &c, 1);
-
- if (c == ' ')
- break;
-
- printf("%x ", c);
- fflush(stdout);
- }
-
- tty_end();
-
- printf("\n");
-
- return 0;
- }
-