The GNU Readline Library 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 1, or
+ as published by the Free Software Foundation; either version 2, or
(at your option) any later version.
The GNU Readline Library is distributed in the hope that it will be
The GNU General Public License is often shipped with GNU software, and
is generally kept in a file called COPYING or LICENSE. If you do not
have a copy of the license, write to the Free Software Foundation,
- 675 Mass Ave, Cambridge, MA 02139, USA. */
+ 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
#define READLINE_LIBRARY
#if defined (HAVE_CONFIG_H)
#include "rldefs.h"
-#if !defined (SHELL) && defined (GWINSZ_IN_SYS_IOCTL)
+#if defined (GWINSZ_IN_SYS_IOCTL)
# include <sys/ioctl.h>
-#endif /* !SHELL && GWINSZ_IN_SYS_IOCTL */
+#endif /* GWINSZ_IN_SYS_IOCTL */
#include "rltty.h"
#include "readline.h"
+#include "rlprivate.h"
#if !defined (errno)
extern int errno;
#endif /* !errno */
-extern int readline_echoing_p;
-extern int _rl_eof_char;
-
-extern int _rl_enable_keypad, _rl_enable_meta;
-
-extern void _rl_control_keypad ();
-
-#if defined (__GO32__)
-# include <pc.h>
-# undef HANDLE_SIGNALS
-#endif /* __GO32__ */
-
-/* Indirect functions to allow apps control over terminal management. */
-extern void rl_prep_terminal (), rl_deprep_terminal ();
-
VFunction *rl_prep_term_function = rl_prep_terminal;
VFunction *rl_deprep_term_function = rl_deprep_terminal;
# endif /* HAVE_USG_SIGHOLD */
# endif /* !HAVE_BSD_SIGNALS */
#endif /* !HAVE_POSIX_SIGNALS */
+
sigint_blocked = 1;
}
static void
release_sigint ()
{
- if (!sigint_blocked)
+ if (sigint_blocked == 0)
return;
#if defined (HAVE_POSIX_SIGNALS)
/* Non-zero means that the terminal is in a prepped state. */
static int terminal_prepped;
+static _RL_TTY_CHARS _rl_tty_chars, _rl_last_tty_chars;
+
/* If non-zero, means that this process has called tcflow(fd, TCOOFF)
and output is suspended. */
#if defined (__ksr1__)
static int ksrflow;
#endif
-#if !defined (SHELL) && defined (TIOCGWINSZ)
/* Dummy call to force a backgrounded readline to stop before it tries
to get the tty settings. */
static void
set_winsize (tty)
int tty;
{
+#if defined (TIOCGWINSZ)
struct winsize w;
if (ioctl (tty, TIOCGWINSZ, &w) == 0)
(void) ioctl (tty, TIOCSWINSZ, &w);
+#endif /* TIOCGWINSZ */
}
-#else /* SHELL || !TIOCGWINSZ */
-# define set_winsize(tty)
-#endif /* SHELL || !TIOCGWINSZ */
#if defined (NEW_TTY_DRIVER)
static TIOTYPE otio;
+static void
+save_tty_chars (tiop)
+ TIOTYPE *tiop;
+{
+ _rl_last_tty_chars = _rl_tty_chars;
+
+ if (tiop->flags & SGTTY_SET)
+ {
+ _rl_tty_chars.t_erase = tiop->sgttyb.sg_erase;
+ _rl_tty_chars.t_kill = tiop->sgttyb.sg_kill;
+ }
+
+ if (tiop->flags & TCHARS_SET)
+ {
+ _rl_tty_chars.t_intr = tiop->tchars.t_intrc;
+ _rl_tty_chars.t_quit = tiop->tchars.t_quitc;
+ _rl_tty_chars.t_start = tiop->tchars.t_startc;
+ _rl_tty_chars.t_stop = tiop->tchars.t_stopc;
+ _rl_tty_chars.t_eof = tiop->tchars.t_eofc;
+ _rl_tty_chars.t_eol = '\n';
+ _rl_tty_chars.t_eol2 = tiop->tchars.t_brkc;
+ }
+
+ if (tiop->flags & LTCHARS_SET)
+ {
+ _rl_tty_chars.t_susp = tiop->ltchars.t_suspc;
+ _rl_tty_chars.t_dsusp = tiop->ltchars.t_dsuspc;
+ _rl_tty_chars.t_reprint = tiop->ltchars.t_rprntc;
+ _rl_tty_chars.t_flush = tiop->ltchars.t_flushc;
+ _rl_tty_chars.t_werase = tiop->ltchars.t_werasc;
+ _rl_tty_chars.t_lnext = tiop->ltchars.t_lnextc;
+ }
+
+ _rl_tty_chars.t_status = -1;
+}
+
static int
get_tty_settings (tty, tiop)
int tty;
TIOTYPE *tiop;
{
+#if defined (TIOCGWINSZ)
set_winsize (tty);
+#endif
tiop->flags = tiop->lflag = 0;
int meta_flag;
TIOTYPE otio, *tiop;
{
-#if !defined (__GO32__)
readline_echoing_p = (otio.sgttyb.sg_flags & ECHO);
/* Copy the original settings to the structure we're going to use for
tiop->ltchars.t_dsuspc = -1; /* C-y */
tiop->ltchars.t_lnextc = -1; /* C-v */
#endif /* TIOCGLTC */
-#endif /* !__GO32__ */
}
#else /* !defined (NEW_TTY_DRIVER) */
# define OUTPUT_BEING_FLUSHED(tp) 0
#endif
+static void
+save_tty_chars (tiop)
+ TIOTYPE *tiop;
+{
+ _rl_last_tty_chars = _rl_tty_chars;
+
+ _rl_tty_chars.t_eof = tiop->c_cc[VEOF];
+ _rl_tty_chars.t_eol = tiop->c_cc[VEOL];
+#ifdef VEOL2
+ _rl_tty_chars.t_eol2 = tiop->c_cc[VEOL2];
+#endif
+ _rl_tty_chars.t_erase = tiop->c_cc[VERASE];
+#ifdef VWERASE
+ _rl_tty_chars.t_werase = tiop->c_cc[VWERASE];
+#endif
+ _rl_tty_chars.t_kill = tiop->c_cc[VKILL];
+#ifdef VREPRINT
+ _rl_tty_chars.t_reprint = tiop->c_cc[VREPRINT];
+#endif
+ _rl_tty_chars.t_intr = tiop->c_cc[VINTR];
+ _rl_tty_chars.t_quit = tiop->c_cc[VQUIT];
+#ifdef VSUSP
+ _rl_tty_chars.t_susp = tiop->c_cc[VSUSP];
+#endif
+#ifdef VDSUSP
+ _rl_tty_chars.t_dsusp = tiop->c_cc[VDSUSP];
+#endif
+#ifdef VSTART
+ _rl_tty_chars.t_start = tiop->c_cc[VSTART];
+#endif
+#ifdef VSTOP
+ _rl_tty_chars.t_stop = tiop->c_cc[VSTOP];
+#endif
+#ifdef VLNEXT
+ _rl_tty_chars.t_lnext = tiop->c_cc[VLNEXT];
+#endif
+#ifdef VDISCARD
+ _rl_tty_chars.t_flush = tiop->c_cc[VDISCARD];
+#endif
+#ifdef VSTATUS
+ _rl_tty_chars.t_status = tiop->c_cc[VSTATUS];
+#endif
+}
+
+#if defined (_AIX) || defined (_AIX41)
+/* Currently this is only used on AIX */
static void
rltty_warning (msg)
char *msg;
{
fprintf (stderr, "readline: warning: %s\n", msg);
}
+#endif
#if defined (_AIX)
void
#endif
static int
-get_tty_settings (tty, tiop)
+_get_tty_settings (tty, tiop)
int tty;
TIOTYPE *tiop;
{
int ioctl_ret;
- set_winsize (tty);
while (1)
{
break;
}
+ return 0;
+}
+
+static int
+get_tty_settings (tty, tiop)
+ int tty;
+ TIOTYPE *tiop;
+{
+#if defined (TIOCGWINSZ)
+ set_winsize (tty);
+#endif
+
+ if (_get_tty_settings (tty, tiop) < 0)
+ return -1;
+
#if defined (_AIX)
setopost(tiop);
#endif
}
static int
-set_tty_settings (tty, tiop)
+_set_tty_settings (tty, tiop)
int tty;
TIOTYPE *tiop;
{
return -1;
errno = 0;
}
+ return 0;
+}
+static int
+set_tty_settings (tty, tiop)
+ int tty;
+ TIOTYPE *tiop;
+{
+ if (_set_tty_settings (tty, tiop) < 0)
+ return -1;
+
#if 0
#if defined (TERMIOS_TTY_DRIVER)
ioctl (tty, TCXONC, 1); /* Simulate a ^Q. */
#endif /* !TERMIOS_TTY_DRIVER */
-#endif
+#endif /* 0 */
return 0;
}
rl_prep_terminal (meta_flag)
int meta_flag;
{
-#if !defined (__GO32__)
int tty;
TIOTYPE tio;
otio = tio;
+ save_tty_chars (&otio);
+
prepare_terminal_settings (meta_flag, otio, &tio);
if (set_tty_settings (tty, &tio) < 0)
terminal_prepped = 1;
release_sigint ();
-#endif /* !__GO32__ */
}
/* Restore the terminal's normal settings and modes. */
void
rl_deprep_terminal ()
{
-#if !defined (__GO32__)
int tty;
if (!terminal_prepped)
terminal_prepped = 0;
release_sigint ();
-#endif /* !__GO32__ */
}
\f
/* **************************************************************** */
}
#endif /* !NEW_TTY_DRIVER */
}
+
+#if defined (HANDLE_SIGNALS)
+
+#if defined (NEW_TTY_DRIVER)
+int
+_rl_disable_tty_signals ()
+{
+ return 0;
+}
+
+int
+_rl_restore_tty_signals ()
+{
+ return 0;
+}
+#else
+
+static TIOTYPE sigstty, nosigstty;
+static int tty_sigs_disabled = 0;
+
+int
+_rl_disable_tty_signals ()
+{
+ if (tty_sigs_disabled)
+ return 0;
+
+ if (_get_tty_settings (fileno (rl_instream), &sigstty) < 0)
+ return -1;
+
+ nosigstty = sigstty;
+
+ nosigstty.c_lflag &= ~ISIG;
+
+ if (_set_tty_settings (fileno (rl_instream), &nosigstty) < 0)
+ return (_set_tty_settings (fileno (rl_instream), &sigstty));
+
+ tty_sigs_disabled = 1;
+ return 0;
+}
+
+int
+_rl_restore_tty_signals ()
+{
+ if (tty_sigs_disabled == 0)
+ return 0;
+
+ return (_set_tty_settings (fileno (rl_instream), &sigstty));
+}
+#endif /* !NEW_TTY_DRIVER */
+
+#endif /* HANDLE_SIGNALS */