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Bash-4.3 distribution sources and documentation

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This commit is contained in:
Chet Ramey 2014-02-26 09:36:43 -05:00
commit ac50fbac37
497 changed files with 129395 additions and 87598 deletions
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85
lib/readline/terminal.c
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@ -55,6 +55,10 @@
# include <sys/ioctl.h>
#endif /* GWINSZ_IN_SYS_IOCTL && !TIOCGWINSZ */
#ifdef __MSDOS__
# include <pc.h>
#endif
#include "rltty.h"
#include "tcap.h"
@ -77,22 +81,25 @@ static void _win_get_screensize PARAMS((int *, int *));
static void _emx_get_screensize PARAMS((int *, int *));
#endif
#define CUSTOM_REDISPLAY_FUNC() (rl_redisplay_function != rl_redisplay)
#define CUSTOM_INPUT_FUNC() (rl_getc_function != rl_getc)
/* If the calling application sets this to a non-zero value, readline will
use the $LINES and $COLUMNS environment variables to set its idea of the
window size before interrogating the kernel. */
/* If the calling application sets this to a non-zero value, readline will
use the $LINES and $COLUMNS environment variables to set its idea of the
window size before interrogating the kernel. */
int rl_prefer_env_winsize = 0;
/* If this is non-zero, readline will set LINES and COLUMNS in the
environment when it handles SIGWINCH. */
int rl_change_environment = 1;
/* **************************************************************** */
/* */
/* Terminal and Termcap */
/* */
/* **************************************************************** */
#ifndef __MSDOS__
static char *term_buffer = (char *)NULL;
static char *term_string_buffer = (char *)NULL;
#endif
static int tcap_initialized;
@ -264,7 +271,10 @@ _rl_get_screen_size (tty, ignore_env)
if (_rl_screenwidth <= 0)
_rl_screenwidth = wc;
#if !defined (__DJGPP__)
#if defined (__DJGPP__)
if (_rl_screenwidth <= 0)
_rl_screenwidth = ScreenCols ();
#else
if (_rl_screenwidth <= 0 && term_string_buffer)
_rl_screenwidth = tgetnum ("co");
#endif
@ -280,7 +290,10 @@ _rl_get_screen_size (tty, ignore_env)
if (_rl_screenheight <= 0)
_rl_screenheight = wr;
#if !defined (__DJGPP__)
#if defined (__DJGPP__)
if (_rl_screenheight <= 0)
_rl_screenheight = ScreenRows ();
#else
if (_rl_screenheight <= 0 && term_string_buffer)
_rl_screenheight = tgetnum ("li");
#endif
@ -296,7 +309,8 @@ _rl_get_screen_size (tty, ignore_env)
/* If we're being compiled as part of bash, set the environment
variables $LINES and $COLUMNS to new values. Otherwise, just
do a pair of putenv () or setenv () calls. */
sh_set_lines_and_columns (_rl_screenheight, _rl_screenwidth);
if (rl_change_environment)
sh_set_lines_and_columns (_rl_screenheight, _rl_screenwidth);
if (_rl_term_autowrap == 0)
_rl_screenwidth--;
@ -346,7 +360,13 @@ rl_reset_screen_size ()
{
_rl_get_screen_size (fileno (rl_instream), 0);
}
void
_rl_sigwinch_resize_terminal ()
{
_rl_get_screen_size (fileno (rl_instream), 1);
}
void
rl_resize_terminal ()
{
@ -432,6 +452,23 @@ _rl_init_terminal_io (terminal_name)
if (term == 0)
term = "dumb";
#ifdef __MSDOS__
_rl_term_im = _rl_term_ei = _rl_term_ic = _rl_term_IC = (char *)NULL;
_rl_term_up = _rl_term_dc = _rl_term_DC = _rl_visible_bell = (char *)NULL;
_rl_term_ku = _rl_term_kd = _rl_term_kl = _rl_term_kr = (char *)NULL;
_rl_term_mm = _rl_term_mo = (char *)NULL;
_rl_terminal_can_insert = term_has_meta = _rl_term_autowrap = 0;
_rl_term_cr = "\r";
_rl_term_clreol = _rl_term_clrpag = _rl_term_backspace = (char *)NULL;
_rl_term_goto = _rl_term_pc = _rl_term_ip = (char *)NULL;
_rl_term_ks = _rl_term_ke =_rl_term_vs = _rl_term_ve = (char *)NULL;
_rl_term_kh = _rl_term_kH = _rl_term_at7 = _rl_term_kI = (char *)NULL;
#if defined(HACK_TERMCAP_MOTION)
_rl_term_forward_char = (char *)NULL;
#endif
_rl_get_screen_size (tty, 0);
#else /* !__MSDOS__ */
/* 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). */
@ -531,6 +568,7 @@ _rl_init_terminal_io (terminal_name)
term_has_meta = tgetflag ("km") != 0;
if (term_has_meta == 0)
_rl_term_mm = _rl_term_mo = (char *)NULL;
#endif /* !__MSDOS__ */
/* Attempt to find and bind the arrow keys. Do not override already
bound keys in an overzealous attempt, however. */
@ -628,10 +666,12 @@ _rl_backspace (count)
{
register int i;
#ifndef __MSDOS__
if (_rl_term_backspace)
for (i = 0; i < count; i++)
tputs (_rl_term_backspace, 1, _rl_output_character_function);
else
#endif
for (i = 0; i < count; i++)
putc ('\b', _rl_out_stream);
return 0;
@ -663,7 +703,11 @@ rl_ding ()
case VISIBLE_BELL:
if (_rl_visible_bell)
{
#ifdef __DJGPP__
ScreenVisualBell ();
#else
tputs (_rl_visible_bell, 1, _rl_output_character_function);
#endif
break;
}
/* FALLTHROUGH */
@ -683,12 +727,29 @@ rl_ding ()
/* */
/* **************************************************************** */
static int enabled_meta = 0; /* flag indicating we enabled meta mode */
void
_rl_enable_meta_key ()
{
#if !defined (__DJGPP__)
if (term_has_meta && _rl_term_mm)
tputs (_rl_term_mm, 1, _rl_output_character_function);
{
tputs (_rl_term_mm, 1, _rl_output_character_function);
enabled_meta = 1;
}
#endif
}
void
_rl_disable_meta_key ()
{
#if !defined (__DJGPP__)
if (term_has_meta && _rl_term_mo && enabled_meta)
{
tputs (_rl_term_mo, 1, _rl_output_character_function);
enabled_meta = 0;
}
#endif
}
@ -718,6 +779,7 @@ void
_rl_set_cursor (im, force)
int im, force;
{
#ifndef __MSDOS__
if (_rl_term_ve && _rl_term_vs)
{
if (force || im != rl_insert_mode)
@ -728,4 +790,5 @@ _rl_set_cursor (im, force)
tputs (_rl_term_ve, 1, _rl_output_character_function);
}
}
#endif
}