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readline:

Browse Source 
2000-07-09  Elena Zannoni  <ezannoni@kwikemart.cygnus.com>

        * Import of readline 4.1.

        Locally modified files: Makefile.in, configure.in, configure
        (regenerated), config.h.in (regenerated), readline.h, rltty.c,
 	shell.c signals.c.

        Locally added files: acconfig.h, config/*, config.h.bot,
        cross-build/*, doc/inc-hit.texinfo.

        New files: USAGE, rlprivate.h, rlshell.h, xmalloc.h.
examples:
2000-07-09  Elena Zannoni  <ezannoni@kwikemart.cygnus.com>

        * Import of readline 4.1.

        New files: excallback.c, rlfe.c.
doc:
2000-07-09  Elena Zannoni  <ezannoni@kwikemart.cygnus.com>

        * Import of readline 4.1.

        Regenerated inc-hist.texinfo as copy of hsuser.texinfo, for
        inclusion in the gdb manual.

        New file: rluserman.texinfo
This commit is contained in:
Elena Zannoni
2000-07-09 17:20:00 +00:00
parent d0352a18a5
commit 1b17e76665
92 changed files with 3656 additions and 26798 deletions
Download Patch File Download Diff File Expand all files Collapse all files

237
readline/terminal.c
View File

@ -7,7 +7,7 @@
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
@ -18,7 +18,7 @@
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)
@ -46,9 +46,7 @@
# include <locale.h>
#endif
#include <signal.h>
#include <stdio.h>
#include <setjmp.h>
/* System-specific feature definitions and include files. */
#include "rldefs.h"
@ -57,10 +55,6 @@
# include <sys/ioctl.h>
#endif /* GWINSZ_IN_SYS_IOCTL && !TIOCGWINSZ */
#if defined (__GO32__)
# include <pc.h>
#endif
#include "rltty.h"
#include "tcap.h"
@ -68,21 +62,8 @@
#include "readline.h"
#include "history.h"
/* Variables and functions imported from readline.c */
extern FILE *_rl_in_stream, *_rl_out_stream;
extern int readline_echoing_p;
extern int _rl_bell_preference;
extern Keymap _rl_keymap;
/* Functions imported from bind.c */
extern void _rl_bind_if_unbound ();
/* Functions imported from shell.c */
extern void set_lines_and_columns ();
extern char *get_env_value ();
/* Functions imported from display.c */
extern void _rl_redisplay_after_sigwinch ();
#include "rlprivate.h"
#include "rlshell.h"
/* **************************************************************** */
/* */
@ -90,15 +71,13 @@ extern void _rl_redisplay_after_sigwinch ();
/* */
/* **************************************************************** */
#ifndef __DJGPP__
static char *term_buffer = (char *)NULL;
static char *term_string_buffer = (char *)NULL;
static int tcap_initialized;
/* Non-zero means this terminal can't really do anything. */
static int dumb_term;
#endif
static int tcap_initialized;
#if !defined (__linux__)
# if defined (__EMX__) || defined (NEED_EXTERN_PC)
@ -158,6 +137,22 @@ int _rl_enable_keypad;
/* Non-zero means the user wants to enable a meta key. */
int _rl_enable_meta = 1;
#if defined (__EMX__)
static void
_emx_get_screensize (swp, shp)
int *swp, *shp;
{
int sz[2];
_scrsize (sz);
if (swp)
*swp = sz[0];
if (shp)
*shp = sz[1];
}
#endif
/* Get readline's idea of the screen size. TTY is a file descriptor open
to the terminal. If IGNORE_ENV is true, we do not pay attention to the
values of $LINES and $COLUMNS. The tests for TERM_STRING_BUFFER being
@ -170,9 +165,6 @@ _rl_get_screen_size (tty, ignore_env)
#if defined (TIOCGWINSZ)
struct winsize window_size;
#endif /* TIOCGWINSZ */
#if defined (__EMX__)
int sz[2];
#endif
#if defined (TIOCGWINSZ)
if (ioctl (tty, TIOCGWINSZ, &window_size) == 0)
@ -183,9 +175,7 @@ _rl_get_screen_size (tty, ignore_env)
#endif /* TIOCGWINSZ */
#if defined (__EMX__)
_scrsize (sz);
screenwidth = sz[0];
screenheight = sz[1];
_emx_get_screensize (&screenwidth, &screenheight);
#endif
/* Environment variable COLUMNS overrides setting of "co" if IGNORE_ENV
@ -195,11 +185,7 @@ _rl_get_screen_size (tty, ignore_env)
if (ignore_env == 0 && (ss = get_env_value ("COLUMNS")))
screenwidth = atoi (ss);
#if defined(__DJGPP__)
tty = tty;
if (screenwidth <= 0)
screenwidth = ScreenCols ();
#else
#if !defined (__DJGPP__)
if (screenwidth <= 0 && term_string_buffer)
screenwidth = tgetnum ("co");
#endif
@ -212,10 +198,7 @@ _rl_get_screen_size (tty, ignore_env)
if (ignore_env == 0 && (ss = get_env_value ("LINES")))
screenheight = atoi (ss);
#if defined(__DJGPP__)
if (screenheight <= 0)
screenheight = ScreenRows ();
#else
#if !defined (__DJGPP__)
if (screenheight <= 0 && term_string_buffer)
screenheight = tgetnum ("li");
#endif
@ -233,7 +216,7 @@ _rl_get_screen_size (tty, ignore_env)
do a pair of putenv () or setenv () calls. */
set_lines_and_columns (screenheight, screenwidth);
if (!_rl_term_autowrap)
if (_rl_term_autowrap == 0)
screenwidth--;
screenchars = screenwidth * screenheight;
@ -271,32 +254,32 @@ struct _tc_string {
search algorithm to something smarter. */
static struct _tc_string tc_strings[] =
{
"DC", &term_DC,
"IC", &term_IC,
"ce", &term_clreol,
"cl", &term_clrpag,
"cr", &term_cr,
"dc", &term_dc,
"ei", &term_ei,
"ic", &term_ic,
"im", &term_im,
"kd", &term_kd,
"kh", &term_kh, /* home */
"kH", &term_kH, /* end */
"kl", &term_kl,
"kr", &term_kr,
"ku", &term_ku,
"ks", &term_ks,
"ke", &term_ke,
"le", &term_backspace,
"mm", &term_mm,
"mo", &term_mo,
{ "DC", &term_DC },
{ "IC", &term_IC },
{ "ce", &term_clreol },
{ "cl", &term_clrpag },
{ "cr", &term_cr },
{ "dc", &term_dc },
{ "ei", &term_ei },
{ "ic", &term_ic },
{ "im", &term_im },
{ "kd", &term_kd },
{ "kh", &term_kh }, /* home */
{ "kH", &term_kH }, /* end */
{ "kl", &term_kl },
{ "kr", &term_kr },
{ "ku", &term_ku },
{ "ks", &term_ks },
{ "ke", &term_ke },
{ "le", &term_backspace },
{ "mm", &term_mm },
{ "mo", &term_mo },
#if defined (HACK_TERMCAP_MOTION)
"nd", &term_forward_char,
{ "nd", &term_forward_char },
#endif
"pc", &term_pc,
"up", &term_up,
"vb", &visible_bell,
{ "pc", &term_pc },
{ "up", &term_up },
{ "vb", &visible_bell },
};
#define NUM_TC_STRINGS (sizeof (tc_strings) / sizeof (struct _tc_string))
@ -307,9 +290,7 @@ static void
get_term_capabilities (bp)
char **bp;
{
#if defined(__DJGPP__)
bp = bp;
#else
#if !defined (__DJGPP__) /* XXX - doesn't DJGPP have a termcap library? */
register int i;
for (i = 0; i < NUM_TC_STRINGS; i++)
@ -318,66 +299,87 @@ get_term_capabilities (bp)
tcap_initialized = 1;
}
#define CUSTOM_REDISPLAY_FUNC() (rl_redisplay_function != rl_redisplay)
#define CUSTOM_INPUT_FUNC() (rl_getc_function != rl_getc)
int
_rl_init_terminal_io (terminal_name)
char *terminal_name;
{
#if defined (__GO32__)
terminal_name = terminal_name;
screenwidth = screenheight = 0;
_rl_get_screen_size (rl_instream ? fileno (rl_instream) : 0, 0);
term_cr = "\r";
term_im = term_ei = term_ic = term_IC = (char *)NULL;
term_up = term_dc = term_DC = visible_bell = (char *)NULL;
/* Does the __GO32__ have a meta key? I don't know. */
term_has_meta = 0;
term_mm = term_mo = (char *)NULL;
/* It probably has arrow keys, but I don't know what they are. */
term_ku = term_kd = term_kr = term_kl = (char *)NULL;
#if defined (HACK_TERMCAP_MOTION)
term_forward_char = (char *)NULL;
#endif /* HACK_TERMCAP_MOTION */
terminal_can_insert = _rl_term_autowrap = 0;
return 0;
#else /* !__GO32__ */
char *term, *buffer;
int tty;
int tty, tgetent_ret;
Keymap xkeymap;
term = terminal_name ? terminal_name : get_env_value ("TERM");
if (term_string_buffer == 0)
term_string_buffer = xmalloc (2032);
if (term_buffer == 0)
term_buffer = xmalloc (4080);
buffer = term_string_buffer;
term_clrpag = term_cr = term_clreol = (char *)NULL;
tty = rl_instream ? fileno (rl_instream) : 0;
screenwidth = screenheight = 0;
if (term == 0)
term = "dumb";
if (tgetent (term_buffer, term) <= 0)
/* I've separated this out for later work on not calling tgetent at all
if the calling application has supplied a custom redisplay function,
(and possibly if the application has supplied a custom input function). */
if (CUSTOM_REDISPLAY_FUNC())
{
tgetent_ret = -1;
}
else
{
if (term_string_buffer == 0)
term_string_buffer = xmalloc(2032);
if (term_buffer == 0)
term_buffer = xmalloc(4080);
buffer = term_string_buffer;
tgetent_ret = tgetent (term_buffer, term);
}
if (tgetent_ret <= 0)
{
FREE (term_string_buffer);
FREE (term_buffer);
buffer = term_buffer = term_string_buffer = (char *)NULL;
dumb_term = 1;
screenwidth = 79;
screenheight = 24;
screenchars = 79 * 24;
_rl_term_autowrap = 0; /* used by _rl_get_screen_size */
#if defined (__EMX__)
_emx_get_screensize (&screenwidth, &screenheight);
screenwidth--;
#else /* !__EMX__ */
_rl_get_screen_size (tty, 0);
#endif /* !__EMX__ */
/* Defaults. */
if (screenwidth <= 0 || screenheight <= 0)
{
screenwidth = 79;
screenheight = 24;
}
/* Everything below here is used by the redisplay code (tputs). */
screenchars = screenwidth * screenheight;
term_cr = "\r";
term_im = term_ei = term_ic = term_IC = (char *)NULL;
term_up = term_dc = term_DC = visible_bell = (char *)NULL;
term_ku = term_kd = term_kl = term_kr = (char *)NULL;
term_mm = term_mo = (char *)NULL;
#if defined (HACK_TERMCAP_MOTION)
term_forward_char = (char *)NULL;
#endif
terminal_can_insert = 0;
terminal_can_insert = term_has_meta = 0;
/* Reasonable defaults for tgoto(). Readline currently only uses
tgoto if term_IC or term_DC is defined, but just in case we
change that later... */
PC = '\0';
BC = term_backspace = "\b";
UP = term_up;
return 0;
}
@ -392,10 +394,6 @@ _rl_init_terminal_io (terminal_name)
if (!term_cr)
term_cr = "\r";
tty = rl_instream ? fileno (rl_instream) : 0;
screenwidth = screenheight = 0;
_rl_term_autowrap = tgetflag ("am") && tgetflag ("xn");
_rl_get_screen_size (tty, 0);
@ -438,7 +436,6 @@ _rl_init_terminal_io (terminal_name)
_rl_keymap = xkeymap;
#endif /* !__GO32__ */
return 0;
}
@ -484,6 +481,7 @@ _rl_output_character_function (c)
return putc (c, _rl_out_stream);
}
#endif /* !_MINIX */
/* Write COUNT characters from STRING to the output stream. */
void
_rl_output_some_chars (string, count)
@ -500,12 +498,10 @@ _rl_backspace (count)
{
register int i;
#if !defined (__GO32__)
if (term_backspace)
for (i = 0; i < count; i++)
tputs (term_backspace, 1, _rl_output_character_function);
else
#endif /* !__GO32__ */
for (i = 0; i < count; i++)
putc ('\b', _rl_out_stream);
return 0;
@ -535,16 +531,11 @@ ding ()
default:
break;
case VISIBLE_BELL:
#if defined (__GO32__)
ScreenVisualBell ();
break;
#else
if (visible_bell)
{
tputs (visible_bell, 1, _rl_output_character_function);
break;
}
#endif
/* FALLTHROUGH */
case AUDIBLE_BELL:
fprintf (stderr, "\007");
@ -565,7 +556,7 @@ ding ()
void
_rl_enable_meta_key ()
{
#if !defined(__DJGPP__)
#if !defined (__DJGPP__)
if (term_has_meta && term_mm)
tputs (term_mm, 1, _rl_output_character_function);
#endif
@ -575,9 +566,7 @@ void
_rl_control_keypad (on)
int on;
{
#if defined(__DJGPP__)
on = on;
#else
#if !defined (__DJGPP__)
if (on && term_ks)
tputs (term_ks, 1, _rl_output_character_function);
else if (!on && term_ke)