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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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44
lib/readline/callback.c
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@ -62,8 +62,10 @@ _rl_callback_generic_arg *_rl_callback_data = 0;
whenever a complete line of input is ready. The user must then
call rl_callback_read_char() every time some input is available, and
rl_callback_read_char() will call the user's function with the complete
text read in at each end of line. The terminal is kept prepped and
signals handled all the time, except during calls to the user's function. */
text read in at each end of line. The terminal is kept prepped
all the time, except during calls to the user's function. Signal
handlers are only installed when the application calls back into
readline, so readline doesn't `steal' signals from the application. */
rl_vcpfunc_t *rl_linefunc; /* user callback function */
static int in_handler; /* terminal_prepped and signals set? */
@ -80,10 +82,6 @@ _rl_callback_newline ()
if (rl_prep_term_function)
(*rl_prep_term_function) (_rl_meta_flag);
#if defined (HANDLE_SIGNALS)
rl_set_signals ();
#endif
}
readline_internal_setup ();
@ -102,6 +100,16 @@ rl_callback_handler_install (prompt, linefunc)
_rl_callback_newline ();
}
#if defined (HANDLE_SIGNALS)
#define CALLBACK_READ_RETURN() \
do { \
rl_clear_signals (); \
return; \
} while (0)
#else
#define CALLBACK_READ_RETURN() return
#endif
/* Read one character, and dispatch to the handler if it ends the line. */
void
rl_callback_read_char ()
@ -117,15 +125,24 @@ rl_callback_read_char ()
}
memcpy ((void *)olevel, (void *)_rl_top_level, sizeof (procenv_t));
#if defined (HAVE_POSIX_SIGSETJMP)
jcode = sigsetjmp (_rl_top_level, 0);
#else
jcode = setjmp (_rl_top_level);
#endif
if (jcode)
{
(*rl_redisplay_function) ();
_rl_want_redisplay = 0;
memcpy ((void *)_rl_top_level, (void *)olevel, sizeof (procenv_t));
return;
CALLBACK_READ_RETURN ();
}
#if defined (HANDLE_SIGNALS)
/* Install signal handlers only when readline has control. */
rl_set_signals ();
#endif
do
{
RL_CHECK_SIGNALS ();
@ -135,12 +152,13 @@ rl_callback_read_char ()
if (eof == 0 && (RL_ISSTATE (RL_STATE_ISEARCH) == 0) && RL_ISSTATE (RL_STATE_INPUTPENDING))
rl_callback_read_char ();
return;
CALLBACK_READ_RETURN ();
}
else if (RL_ISSTATE (RL_STATE_NSEARCH))
{
eof = _rl_nsearch_callback (_rl_nscxt);
return;
CALLBACK_READ_RETURN ();
}
#if defined (VI_MODE)
else if (RL_ISSTATE (RL_STATE_VIMOTION))
@ -151,7 +169,7 @@ rl_callback_read_char ()
if (RL_ISSTATE (RL_STATE_NUMERICARG) == 0)
_rl_internal_char_cleanup ();
return;
CALLBACK_READ_RETURN ();
}
#endif
else if (RL_ISSTATE (RL_STATE_NUMERICARG))
@ -163,7 +181,7 @@ rl_callback_read_char ()
else if (RL_ISSTATE (RL_STATE_NUMERICARG) == 0)
_rl_internal_char_cleanup ();
return;
CALLBACK_READ_RETURN ();
}
else if (RL_ISSTATE (RL_STATE_MULTIKEY))
{
@ -180,7 +198,7 @@ rl_callback_read_char ()
{
/* This allows functions that simply need to read an additional
character (like quoted-insert) to register a function to be
called when input is available. _rl_callback_data is simply a
called when input is available. _rl_callback_data is a
pointer to a struct that has the argument count originally
passed to the registering function and space for any additional
parameters. */
@ -230,6 +248,8 @@ rl_callback_read_char ()
}
}
while (rl_pending_input || _rl_pushed_input_available () || RL_ISSTATE (RL_STATE_MACROINPUT));
CALLBACK_READ_RETURN ();
}
/* Remove the handler, and make sure the terminal is in its normal state. */