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Bash-4.4 distribution sources and documentation

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This commit is contained in:
Chet Ramey 2016-09-15 16:59:08 -04:00
commit a0c0a00fc4
588 changed files with 130746 additions and 80164 deletions
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79
lib/readline/callback.c
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@ -1,6 +1,6 @@
/* callback.c -- functions to use readline as an X `callback' mechanism. */
/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
/* Copyright (C) 1987-2015 Free Software Foundation, Inc.
This file is part of the GNU Readline Library (Readline), a library
for reading lines of text with interactive input and history editing.
@ -50,6 +50,14 @@
_rl_callback_func_t *_rl_callback_func = 0;
_rl_callback_generic_arg *_rl_callback_data = 0;
/* Applications can set this to non-zero to have readline's signal handlers
installed during the entire duration of reading a complete line, as in
readline-6.2. This should be used with care, because it can result in
readline receiving signals and not handling them until it's called again
via rl_callback_read_char, thereby stealing them from the application.
By default, signal handlers are only active while readline is active. */
int rl_persistent_signal_handlers = 0;
/* **************************************************************** */
/* */
/* Callback Readline Functions */
@ -82,6 +90,11 @@ _rl_callback_newline ()
if (rl_prep_term_function)
(*rl_prep_term_function) (_rl_meta_flag);
#if defined (HANDLE_SIGNALS)
if (rl_persistent_signal_handlers)
rl_set_signals ();
#endif
}
readline_internal_setup ();
@ -103,7 +116,8 @@ rl_callback_handler_install (prompt, linefunc)
#if defined (HANDLE_SIGNALS)
#define CALLBACK_READ_RETURN() \
do { \
rl_clear_signals (); \
if (rl_persistent_signal_handlers == 0) \
rl_clear_signals (); \
return; \
} while (0)
#else
@ -140,7 +154,8 @@ rl_callback_read_char ()
#if defined (HANDLE_SIGNALS)
/* Install signal handlers only when readline has control. */
rl_set_signals ();
if (rl_persistent_signal_handlers == 0)
rl_set_signals ();
#endif
do
@ -161,6 +176,36 @@ rl_callback_read_char ()
CALLBACK_READ_RETURN ();
}
#if defined (VI_MODE)
/* States that can occur while in state VIMOTION have to be checked
before RL_STATE_VIMOTION */
else if (RL_ISSTATE (RL_STATE_CHARSEARCH))
{
int k;
k = _rl_callback_data->i2;
eof = (*_rl_callback_func) (_rl_callback_data);
/* If the function `deregisters' itself, make sure the data is
cleaned up. */
if (_rl_callback_func == 0) /* XXX - just sanity check */
{
if (_rl_callback_data)
{
_rl_callback_data_dispose (_rl_callback_data);
_rl_callback_data = 0;
}
}
/* Messy case where vi motion command can be char search */
if (RL_ISSTATE (RL_STATE_VIMOTION))
{
_rl_vi_domove_motion_cleanup (k, _rl_vimvcxt);
_rl_internal_char_cleanup ();
CALLBACK_READ_RETURN ();
}
_rl_internal_char_cleanup ();
}
else if (RL_ISSTATE (RL_STATE_VIMOTION))
{
eof = _rl_vi_domove_callback (_rl_vimvcxt);
@ -284,10 +329,36 @@ _rl_callback_data_alloc (count)
return arg;
}
void _rl_callback_data_dispose (arg)
void
_rl_callback_data_dispose (arg)
_rl_callback_generic_arg *arg;
{
xfree (arg);
}
/* Make sure that this agrees with cases in rl_callback_read_char */
void
rl_callback_sigcleanup ()
{
if (RL_ISSTATE (RL_STATE_CALLBACK) == 0)
return;
if (RL_ISSTATE (RL_STATE_ISEARCH))
_rl_isearch_cleanup (_rl_iscxt, 0);
else if (RL_ISSTATE (RL_STATE_NSEARCH))
_rl_nsearch_cleanup (_rl_nscxt, 0);
else if (RL_ISSTATE (RL_STATE_VIMOTION))
RL_UNSETSTATE (RL_STATE_VIMOTION);
else if (RL_ISSTATE (RL_STATE_NUMERICARG))
{
_rl_argcxt = 0;
RL_UNSETSTATE (RL_STATE_NUMERICARG);
}
else if (RL_ISSTATE (RL_STATE_MULTIKEY))
RL_UNSETSTATE (RL_STATE_MULTIKEY);
if (RL_ISSTATE (RL_STATE_CHARSEARCH))
RL_UNSETSTATE (RL_STATE_CHARSEARCH);
_rl_callback_func = 0;
}
#endif