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 <locale.h>
#endif
-#include <signal.h>
#include <stdio.h>
#include "posixjmp.h"
#include "readline.h"
#include "history.h"
+#include "rlprivate.h"
+#include "rlshell.h"
+#include "xmalloc.h"
+
#ifndef RL_LIBRARY_VERSION
-# define RL_LIBRARY_VERSION "2.1-bash"
+# define RL_LIBRARY_VERSION "4.2a"
+#endif
+
+#ifndef RL_READLINE_VERSION
+# define RL_READLINE_VERSION 0x0402
#endif
/* Evaluates its arguments multiple times. */
#define SWAP(s, e) do { int t; t = s; s = e; e = t; } while (0)
-/* NOTE: Functions and variables prefixed with `_rl_' are
- pseudo-global: they are global so they can be shared
- between files in the readline library, but are not intended
- to be visible to readline callers. */
-
-/* Variables and functions imported from terminal.c */
-extern int _rl_init_terminal_io ();
-extern void _rl_enable_meta_key ();
-extern int _rl_output_character_function ();
-extern void _rl_get_screen_size ();
-
-extern int _rl_enable_meta;
-extern int _rl_term_autowrap;
-extern int screenwidth, screenheight, screenchars;
-
-/* Variables and functions imported from rltty.c. */
-extern void rl_prep_terminal (), rl_deprep_terminal ();
-extern void rltty_set_default_bindings ();
-
-/* Functions imported from util.c. */
-extern void _rl_abort_internal ();
-extern void rl_extend_line_buffer ();
-extern int alphabetic ();
-
-/* Functions imported from bind.c. */
-extern void _rl_bind_if_unbound ();
-extern int rl_set_keymap_from_edit_mode ();
-
-/* Functions imported from input.c. */
-extern int _rl_any_typein ();
-extern void _rl_insert_typein ();
-extern int rl_read_key ();
-
-/* Functions imported from nls.c */
-extern int _rl_init_eightbit ();
-
-/* Functions imported from shell.c */
-extern char *get_env_value ();
-
-/* External redisplay functions and variables from display.c */
-extern void _rl_move_vert ();
-extern void _rl_update_final ();
-extern void _rl_clear_to_eol ();
-extern void _rl_clear_screen ();
-
-extern void _rl_save_prompt ();
-extern void _rl_restore_prompt ();
-
-extern void _rl_erase_at_end_of_line ();
-extern void _rl_move_cursor_relative ();
-
-extern int _rl_vis_botlin;
-extern int _rl_last_c_pos;
-extern int _rl_horizontal_scroll_mode;
-extern int rl_display_fixed;
-extern int _rl_suppress_redisplay;
-extern char *rl_display_prompt;
-
-/* Variables imported from complete.c. */
-extern char *rl_completer_word_break_characters;
-extern char *rl_basic_word_break_characters;
-extern int rl_completion_query_items;
-extern int rl_complete_with_tilde_expansion;
-
-/* Variables and functions from macro.c. */
-extern void _rl_add_macro_char ();
-extern void _rl_with_macro_input ();
-extern int _rl_next_macro_key ();
-extern int _rl_defining_kbd_macro;
-
-#if defined (VI_MODE)
-/* Functions imported from vi_mode.c. */
-extern void _rl_vi_set_last ();
-extern void _rl_vi_reset_last ();
-extern void _rl_vi_done_inserting ();
-extern int _rl_vi_textmod_command ();
-extern void _rl_vi_initialize_line ();
-#endif /* VI_MODE */
-
-extern UNDO_LIST *rl_undo_list;
-extern int _rl_doing_an_undo;
-
/* Forward declarations used in this file. */
-void _rl_free_history_entry ();
-
-int _rl_dispatch ();
-int _rl_init_argument ();
-
-static char *readline_internal ();
-static void readline_initialize_everything ();
-static void start_using_history ();
-static void bind_arrow_keys ();
-
-#if !defined (__GO32__)
-static void readline_default_bindings ();
-#endif /* !__GO32__ */
+void _rl_free_history_entry PARAMS((HIST_ENTRY *));
-#if defined (__GO32__)
-# include <go32.h>
-# include <pc.h>
-# undef HANDLE_SIGNALS
-#endif /* __GO32__ */
+static char *readline_internal PARAMS((void));
+static void readline_initialize_everything PARAMS((void));
+static void start_using_history PARAMS((void));
+static void bind_arrow_keys PARAMS((void));
+static int rl_change_case PARAMS((int, int));
-extern char *xmalloc (), *xrealloc ();
+static void readline_default_bindings PARAMS((void));
/* **************************************************************** */
/* */
/* */
/* **************************************************************** */
-char *rl_library_version = RL_LIBRARY_VERSION;
+const char *rl_library_version = RL_LIBRARY_VERSION;
+
+int rl_readline_version = RL_READLINE_VERSION;
+
+/* True if this is `real' readline as opposed to some stub substitute. */
+int rl_gnu_readline_p = 1;
/* A pointer to the keymap that is currently in use.
By default, it is the standard emacs keymap. */
/* Non-zero means we have been called at least once before. */
static int rl_initialized;
+#if 0
/* If non-zero, this program is running in an EMACS buffer. */
static int running_in_emacs;
+#endif
+
+/* Flags word encapsulating the current readline state. */
+int rl_readline_state = RL_STATE_NONE;
/* The current offset in the current input line. */
int rl_point;
int rl_done;
/* The last function executed by readline. */
-Function *rl_last_func = (Function *)NULL;
+rl_command_func_t *rl_last_func = (rl_command_func_t *)NULL;
/* Top level environment for readline_internal (). */
procenv_t readline_top_level;
FILE *rl_instream = (FILE *)NULL;
FILE *rl_outstream = (FILE *)NULL;
-/* Non-zero means echo characters as they are read. */
-int readline_echoing_p = 1;
+/* Non-zero means echo characters as they are read. Defaults to no echo;
+ set to 1 if there is a controlling terminal, we can get its attributes,
+ and the attributes include `echo'. Look at rltty.c:prepare_terminal_settings
+ for the code that sets it. */
+int readline_echoing_p = 0;
/* Current prompt. */
-char *rl_prompt;
+char *rl_prompt = (char *)NULL;
int rl_visible_prompt_length = 0;
+/* Set to non-zero by calling application if it has already printed rl_prompt
+ and does not want readline to do it the first time. */
+int rl_already_prompted = 0;
+
/* The number of characters read in order to type this complete command. */
int rl_key_sequence_length = 0;
/* If non-zero, then this is the address of a function to call just
- before readline_internal () prints the first prompt. */
-Function *rl_startup_hook = (Function *)NULL;
+ before readline_internal_setup () prints the first prompt. */
+rl_hook_func_t *rl_startup_hook = (rl_hook_func_t *)NULL;
+
+/* If non-zero, this is the address of a function to call just before
+ readline_internal_setup () returns and readline_internal starts
+ reading input characters. */
+rl_hook_func_t *rl_pre_input_hook = (rl_hook_func_t *)NULL;
/* What we use internally. You should always refer to RL_LINE_BUFFER. */
static char *the_line;
int rl_pending_input = 0;
/* Pointer to a useful terminal name. */
-char *rl_terminal_name = (char *)NULL;
+const char *rl_terminal_name = (const char *)NULL;
/* Non-zero means to always use horizontal scrolling in line display. */
int _rl_horizontal_scroll_mode = 0;
/* Keymap holding the function currently being executed. */
Keymap rl_executing_keymap;
+/* Non-zero means to erase entire line, including prompt, on empty input lines. */
+int rl_erase_empty_line = 0;
+
+/* Non-zero means to read only this many characters rather than up to a
+ character bound to accept-line. */
+int rl_num_chars_to_read;
+
/* Line buffer and maintenence. */
char *rl_line_buffer = (char *)NULL;
int rl_line_buffer_len = 0;
-/* Forward declarations used by the display and termcap code. */
+/* Forward declarations used by the display, termcap, and history code. */
/* **************************************************************** */
/* */
rather than as a meta-prefixed escape sequence. */
int _rl_output_meta_chars = 0;
+/* If non-zero, rl_get_previous_history and rl_get_next_history attempt
+ to preserve the value of rl_point from line to line. */
+int _rl_history_preserve_point = 0;
+
+/* Saved target point for when _rl_history_preserve_point is set. Special
+ value of -1 means that point is at the end of the line. */
+static int _rl_history_saved_point = -1;
+
/* **************************************************************** */
/* */
/* Top Level Functions */
/* Non-zero means treat 0200 bit in terminal input as Meta bit. */
int _rl_meta_flag = 0; /* Forward declaration */
+/* Set up the prompt and expand it. Called from readline() and
+ rl_callback_handler_install (). */
+int
+rl_set_prompt (prompt)
+ const char *prompt;
+{
+ FREE (rl_prompt);
+ rl_prompt = prompt ? savestring (prompt) : (char *)NULL;
+
+ rl_visible_prompt_length = rl_expand_prompt (rl_prompt);
+ return 0;
+}
+
/* Read a line of input. Prompt with PROMPT. An empty PROMPT means
none. A return value of NULL means that EOF was encountered. */
char *
readline (prompt)
- char *prompt;
+ const char *prompt;
{
char *value;
- rl_prompt = prompt;
-
/* If we are at EOF return a NULL string. */
if (rl_pending_input == EOF)
{
- rl_pending_input = 0;
+ rl_clear_pending_input ();
return ((char *)NULL);
}
- rl_visible_prompt_length = rl_expand_prompt (rl_prompt);
+ rl_set_prompt (prompt);
rl_initialize ();
(*rl_prep_term_function) (_rl_meta_flag);
STATIC_CALLBACK void
readline_internal_setup ()
{
+ char *nprompt;
+
_rl_in_stream = rl_instream;
_rl_out_stream = rl_outstream;
if (readline_echoing_p == 0)
{
- if (rl_prompt)
+ if (rl_prompt && rl_already_prompted == 0)
{
- fprintf (_rl_out_stream, "%s", rl_prompt);
+ nprompt = _rl_strip_prompt (rl_prompt);
+ fprintf (_rl_out_stream, "%s", nprompt);
fflush (_rl_out_stream);
+ free (nprompt);
}
}
else
{
- rl_on_new_line ();
+ if (rl_prompt && rl_already_prompted)
+ rl_on_new_line_with_prompt ();
+ else
+ rl_on_new_line ();
(*rl_redisplay_function) ();
#if defined (VI_MODE)
if (rl_editing_mode == vi_mode)
rl_vi_insertion_mode (1, 0);
#endif /* VI_MODE */
}
+
+ if (rl_pre_input_hook)
+ (*rl_pre_input_hook) ();
}
STATIC_CALLBACK char *
{
temp = savestring (the_line);
rl_revert_line (1, 0);
- entry = replace_history_entry (where_history (), the_line, (HIST_ENTRY *)NULL);
+ entry = replace_history_entry (where_history (), the_line, (histdata_t)NULL);
_rl_free_history_entry (entry);
strcpy (the_line, temp);
/* At any rate, it is highly likely that this line has an undo list. Get
rid of it now. */
if (rl_undo_list)
- free_undo_list ();
+ rl_free_undo_list ();
return (eof ? (char *)NULL : savestring (the_line));
}
rl_key_sequence_length = 0;
}
+ RL_SETSTATE(RL_STATE_READCMD);
c = rl_read_key ();
+ RL_UNSETSTATE(RL_STATE_READCMD);
/* EOF typed to a non-blank line is a <NL>. */
if (c == EOF && rl_end)
if (((c == _rl_eof_char && lastc != c) || c == EOF) && !rl_end)
{
#if defined (READLINE_CALLBACKS)
+ RL_SETSTATE(RL_STATE_DONE);
return (rl_done = 1);
#else
eof_found = 1;
}
lastc = c;
- _rl_dispatch (c, _rl_keymap);
+ _rl_dispatch ((unsigned char)c, _rl_keymap);
/* If there was no change in _rl_last_command_was_kill, then no kill
has taken place. Note that if input is pending we are reading
rl_vi_check ();
#endif /* VI_MODE */
+ if (rl_num_chars_to_read && rl_end >= rl_num_chars_to_read)
+ {
+ (*rl_redisplay_function) ();
+ rl_newline (1, '\n');
+ }
+
if (rl_done == 0)
(*rl_redisplay_function) ();
+ /* If the application writer has told us to erase the entire line if
+ the only character typed was something bound to rl_newline, do so. */
+ if (rl_erase_empty_line && rl_done && rl_last_func == rl_newline &&
+ rl_point == 0 && rl_end == 0)
+ _rl_erase_entire_line ();
+
#if defined (READLINE_CALLBACKS)
return 0;
#else
static int
readline_internal_charloop ()
{
- int eof;
+ int eof = 1;
while (rl_done == 0)
eof = readline_internal_char ();
{
int r, newkey;
char *macro;
- Function *func;
+ rl_command_func_t *func;
if (META_CHAR (key) && _rl_convert_meta_chars_to_ascii)
{
return (_rl_dispatch (key, map));
}
else
- ding ();
+ rl_ding ();
return 0;
}
{
case ISFUNC:
func = map[key].function;
- if (func != (Function *)NULL)
+ if (func)
{
/* Special case rl_do_lowercase_version (). */
if (func == rl_do_lowercase_version)
#endif
rl_dispatching = 1;
+ RL_SETSTATE(RL_STATE_DISPATCHING);
r = (*map[key].function)(rl_numeric_arg * rl_arg_sign, key);
+ RL_UNSETSTATE(RL_STATE_DISPATCHING);
rl_dispatching = 0;
/* If we have input pending, then the last command was a prefix
command. Don't change the state of rl_last_func. Otherwise,
remember the last command executed in this variable. */
- if (!rl_pending_input && map[key].function != rl_digit_argument)
+ if (rl_pending_input == 0 && map[key].function != rl_digit_argument)
rl_last_func = map[key].function;
}
else
break;
case ISKMAP:
- if (map[key].function != (Function *)NULL)
+ if (map[key].function != 0)
{
rl_key_sequence_length++;
+
+ if (key == ESC)
+ RL_SETSTATE(RL_STATE_METANEXT);
+ RL_SETSTATE(RL_STATE_MOREINPUT);
newkey = rl_read_key ();
+ RL_UNSETSTATE(RL_STATE_MOREINPUT);
+ if (key == ESC)
+ RL_UNSETSTATE(RL_STATE_METANEXT);
+
+ if (newkey < 0)
+ {
+ _rl_abort_internal ();
+ return -1;
+ }
+
r = _rl_dispatch (newkey, FUNCTION_TO_KEYMAP (map, key));
}
else
break;
case ISMACR:
- if (map[key].function != (Function *)NULL)
+ if (map[key].function != 0)
{
macro = savestring ((char *)map[key].function);
_rl_with_macro_input (macro);
terminal and data structures. */
if (!rl_initialized)
{
+ RL_SETSTATE(RL_STATE_INITIALIZING);
readline_initialize_everything ();
+ RL_UNSETSTATE(RL_STATE_INITIALIZING);
rl_initialized++;
+ RL_SETSTATE(RL_STATE_INITIALIZED);
}
/* Initalize the current line information. */
/* We aren't done yet. We haven't even gotten started yet! */
rl_done = 0;
+ RL_UNSETSTATE(RL_STATE_DONE);
/* Tell the history routines what is going on. */
start_using_history ();
rl_reset_line_state ();
/* No such function typed yet. */
- rl_last_func = (Function *)NULL;
+ rl_last_func = (rl_command_func_t *)NULL;
/* Parsing of key-bindings begins in an enabled state. */
_rl_parsing_conditionalized_out = 0;
return 0;
}
+#if 0
#if defined (__EMX__)
static void
_emx_build_environ ()
*tp = 0;
}
#endif /* __EMX__ */
+#endif
/* Initialize the entire state of the world. */
static void
readline_initialize_everything ()
{
+#if 0
#if defined (__EMX__)
if (environ == 0)
_emx_build_environ ();
#endif
+#endif
- /* Find out if we are running in Emacs. */
- running_in_emacs = get_env_value ("EMACS") != (char *)0;
+#if 0
+ /* Find out if we are running in Emacs -- UNUSED. */
+ running_in_emacs = sh_get_env_value ("EMACS") != (char *)0;
+#endif
/* Set up input and output if they are not already set up. */
if (!rl_instream)
/* Allocate data structures. */
if (rl_line_buffer == 0)
- rl_line_buffer = xmalloc (rl_line_buffer_len = DEFAULT_BUFFER_SIZE);
+ rl_line_buffer = (char *)xmalloc (rl_line_buffer_len = DEFAULT_BUFFER_SIZE);
/* Initialize the terminal interface. */
- _rl_init_terminal_io ((char *)NULL);
+ if (rl_terminal_name == 0)
+ rl_terminal_name = sh_get_env_value ("TERM");
+ _rl_init_terminal_io (rl_terminal_name);
-#if !defined (__GO32__)
/* Bind tty characters to readline functions. */
readline_default_bindings ();
-#endif /* !__GO32__ */
/* Initialize the function names. */
rl_initialize_funmap ();
/* XXX */
if (_rl_horizontal_scroll_mode && _rl_term_autowrap)
{
- screenwidth--;
- screenchars -= screenheight;
+ _rl_screenwidth--;
+ _rl_screenchars -= _rl_screenheight;
}
/* Override the effect of any `set keymap' assignments in the
static void
readline_default_bindings ()
{
- rltty_set_default_bindings (_rl_keymap);
+ rl_tty_set_default_bindings (_rl_keymap);
}
static void
bind_arrow_keys_internal ()
{
- Function *f;
+ rl_command_func_t *f;
+#if defined (__MSDOS__)
+ f = rl_function_of_keyseq ("\033[0A", _rl_keymap, (int *)NULL);
+ if (!f || f == rl_do_lowercase_version)
+ {
+ _rl_bind_if_unbound ("\033[0A", rl_get_previous_history);
+ _rl_bind_if_unbound ("\033[0B", rl_backward);
+ _rl_bind_if_unbound ("\033[0C", rl_forward);
+ _rl_bind_if_unbound ("\033[0D", rl_get_next_history);
+ }
+#endif
+
f = rl_function_of_keyseq ("\033[A", _rl_keymap, (int *)NULL);
if (!f || f == rl_do_lowercase_version)
{
{
int key, c, sawminus, sawdigits;
- _rl_save_prompt ();
+ rl_save_prompt ();
+ RL_SETSTATE(RL_STATE_NUMERICARG);
sawminus = sawdigits = 0;
while (1)
{
+ if (rl_numeric_arg > 1000000)
+ {
+ sawdigits = rl_explicit_arg = rl_numeric_arg = 0;
+ rl_ding ();
+ rl_restore_prompt ();
+ rl_clear_message ();
+ RL_UNSETSTATE(RL_STATE_NUMERICARG);
+ return 1;
+ }
rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg);
+ RL_SETSTATE(RL_STATE_MOREINPUT);
key = c = rl_read_key ();
+ RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+ if (c < 0)
+ {
+ _rl_abort_internal ();
+ return -1;
+ }
/* If we see a key bound to `universal-argument' after seeing digits,
it ends the argument but is otherwise ignored. */
}
else
{
+ RL_SETSTATE(RL_STATE_MOREINPUT);
key = rl_read_key ();
- _rl_restore_prompt ();
+ RL_UNSETSTATE(RL_STATE_MOREINPUT);
+ rl_restore_prompt ();
rl_clear_message ();
+ RL_UNSETSTATE(RL_STATE_NUMERICARG);
return (_rl_dispatch (key, _rl_keymap));
}
}
/* Make M-- command equivalent to M--1 command. */
if (sawminus && rl_numeric_arg == 1 && rl_explicit_arg == 0)
rl_explicit_arg = 1;
- _rl_restore_prompt ();
+ rl_restore_prompt ();
rl_clear_message ();
+ RL_UNSETSTATE(RL_STATE_NUMERICARG);
return (_rl_dispatch (key, _rl_keymap));
}
}
- return 0;
+ /*NOTREACHED*/
}
/* Add the current digit to the argument in progress. */
rl_digit_argument (ignore, key)
int ignore, key;
{
- rl_pending_input = key;
+ rl_execute_next (key);
return (rl_digit_loop ());
}
int
rl_discard_argument ()
{
- ding ();
+ rl_ding ();
rl_clear_message ();
_rl_init_argument ();
return 0;
function. */
int
rl_insert_text (string)
- char *string;
+ const char *string;
{
register int i, l = strlen (string);
}
#undef _RL_FIX_POINT
+void
+_rl_replace_text (text, start, end)
+ const char *text;
+ int start, end;
+{
+ rl_begin_undo_group ();
+ rl_delete_text (start, end + 1);
+ rl_point = start;
+ rl_insert_text (text);
+ rl_end_undo_group ();
+}
+
/* **************************************************************** */
/* */
/* Readline character functions */
{
int end = rl_point + count;
#if defined (VI_MODE)
- int lend = rl_end - (rl_editing_mode == vi_mode);
+ int lend = rl_end > 0 ? rl_end - (rl_editing_mode == vi_mode) : rl_end;
#else
int lend = rl_end;
#endif
if (end > lend)
{
rl_point = lend;
- ding ();
+ rl_ding ();
}
else
rl_point = end;
}
+
+ if (rl_end < 0)
+ rl_end = 0;
+
return 0;
}
if (rl_point < count)
{
rl_point = 0;
- ding ();
+ rl_ding ();
}
else
rl_point -= count;
}
+
+ if (rl_point < 0)
+ rl_point = 0;
+
return 0;
}
/* If we are not in a word, move forward until we are in one.
Then, move forward until we hit a non-alphabetic character. */
c = the_line[rl_point];
- if (alphabetic (c) == 0)
+ if (rl_alphabetic (c) == 0)
{
while (++rl_point < rl_end)
{
c = the_line[rl_point];
- if (alphabetic (c))
+ if (rl_alphabetic (c))
break;
}
}
while (++rl_point < rl_end)
{
c = the_line[rl_point];
- if (alphabetic (c) == 0)
+ if (rl_alphabetic (c) == 0)
break;
}
--count;
just before point. */
c = the_line[rl_point - 1];
- if (alphabetic (c) == 0)
+ if (rl_alphabetic (c) == 0)
{
while (--rl_point)
{
c = the_line[rl_point - 1];
- if (alphabetic (c))
+ if (rl_alphabetic (c))
break;
}
}
while (rl_point)
{
c = the_line[rl_point - 1];
- if (alphabetic (c) == 0)
+ if (rl_alphabetic (c) == 0)
break;
else
--rl_point;
/* Clear the current line. Numeric argument to C-l does this. */
int
-rl_refresh_line ()
+rl_refresh_line (ignore1, ignore2)
+ int ignore1, ignore2;
{
- int curr_line, nleft;
+ int curr_line;
- /* Find out whether or not there might be invisible characters in the
- editing buffer. */
- if (rl_display_prompt == rl_prompt)
- nleft = _rl_last_c_pos - screenwidth - rl_visible_prompt_length;
- else
- nleft = _rl_last_c_pos - screenwidth;
-
- if (nleft > 0)
- curr_line = 1 + nleft / screenwidth;
- else
- curr_line = 0;
+ curr_line = _rl_current_display_line ();
_rl_move_vert (curr_line);
_rl_move_cursor_relative (0, the_line); /* XXX is this right */
-#if defined (__GO32__)
- {
- int row, col, width, row_start;
-
- ScreenGetCursor (&row, &col);
- width = ScreenCols ();
- row_start = ScreenPrimary + (row * width);
- memset (row_start + col, 0, (width - col) * 2);
- }
-#else /* !__GO32__ */
_rl_clear_to_eol (0); /* arg of 0 means to not use spaces */
-#endif /* !__GO32__ */
rl_forced_update_display ();
rl_display_fixed = 1;
{
if (rl_explicit_arg)
{
- rl_refresh_line ();
+ rl_refresh_line (count, key);
return 0;
}
{
int ch;
+ RL_SETSTATE(RL_STATE_MOREINPUT);
ch = rl_read_key ();
+ RL_UNSETSTATE(RL_STATE_MOREINPUT);
switch (_rl_to_upper (ch))
{
break;
default:
- ding ();
+ rl_ding ();
}
return 0;
}
readline because of extra large arguments. */
if (count > 1 && count <= 1024)
{
- string = xmalloc (1 + count);
+ string = (char *)xmalloc (1 + count);
for (i = 0; i < count; i++)
string[i] = c;
{
int c;
+#if defined (HANDLE_SIGNALS)
+ _rl_disable_tty_signals ();
+#endif
+
+ RL_SETSTATE(RL_STATE_MOREINPUT);
c = rl_read_key ();
+ RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+#if defined (HANDLE_SIGNALS)
+ _rl_restore_tty_signals ();
+#endif
+
return (rl_insert (count, c));
}
{
rl_done = 1;
+ if (_rl_history_preserve_point)
+ _rl_history_saved_point = (rl_point == rl_end) ? -1 : rl_point;
+
+ RL_SETSTATE(RL_STATE_DONE);
+
#if defined (VI_MODE)
if (rl_editing_mode == vi_mode)
{
}
#endif /* VI_MODE */
+ /* If we've been asked to erase empty lines, suppress the final update,
+ since _rl_update_final calls rl_crlf(). */
+ if (rl_erase_empty_line && rl_point == 0 && rl_end == 0)
+ return 0;
+
if (readline_echoing_p)
_rl_update_final ();
return 0;
if (!rl_point)
{
- ding ();
+ rl_ding ();
return -1;
}
}
else
{
- int c = the_line[--rl_point];
+ unsigned char c = the_line[--rl_point];
rl_delete_text (rl_point, rl_point + 1);
- if (rl_point == rl_end && isprint (c) && _rl_last_c_pos)
+ if (rl_point == rl_end && ISPRINT (c) && _rl_last_c_pos)
{
int l;
l = rl_character_len (c, rl_point);
if (rl_point == rl_end)
{
- ding ();
+ rl_ding ();
return -1;
}
}
else
return (rl_delete_text (rl_point, rl_point + 1));
-
}
+/* Delete the character under the cursor, unless the insertion
+ point is at the end of the line, in which case the character
+ behind the cursor is deleted. COUNT is obeyed and may be used
+ to delete forward or backward that many characters. */
+int
+rl_rubout_or_delete (count, key)
+ int count, key;
+{
+ if (rl_end != 0 && rl_point == rl_end)
+ return (rl_rubout (count, key));
+ else
+ return (rl_delete (count, key));
+}
+
/* Delete all spaces and tabs around point. */
int
rl_delete_horizontal_space (count, ignore)
return 0;
}
+/* Like the tcsh editing function delete-char-or-list. The eof character
+ is caught before this is invoked, so this really does the same thing as
+ delete-char-or-list-or-eof, as long as it's bound to the eof character. */
+int
+rl_delete_or_show_completions (count, key)
+ int count, key;
+{
+ if (rl_end != 0 && rl_point == rl_end)
+ return (rl_possible_completions (count, key));
+ else
+ return (rl_delete (count, key));
+}
+
#ifndef RL_COMMENT_BEGIN_DEFAULT
#define RL_COMMENT_BEGIN_DEFAULT "#"
#endif
#define DownCase 2
#define CapCase 3
-static int rl_change_case ();
-
/* Uppercase the word at point. */
int
rl_upcase_word (count, key)
case CapCase:
the_line[start] = (inword == 0) ? _rl_to_upper (c) : _rl_to_lower (c);
- inword = alphabetic (the_line[start]);
+ inword = rl_alphabetic (the_line[start]);
break;
default:
- ding ();
+ rl_ding ();
return -1;
}
}
/* */
/* **************************************************************** */
-/* Transpose the words at point. */
+/* Transpose the words at point. If point is at the end of the line,
+ transpose the two words before point. */
int
rl_transpose_words (count, key)
int count, key;
/* Do some check to make sure that there really are two words. */
if ((w1_beg == w2_beg) || (w2_beg < w1_end))
{
- ding ();
+ rl_ding ();
rl_point = orig_point;
return -1;
}
if (!rl_point || rl_end < 2)
{
- ding ();
+ rl_ding ();
return -1;
}
{
if ((dir < 0 && pos <= 0) || (dir > 0 && pos >= rl_end))
{
- ding ();
+ rl_ding ();
return -1;
}
{
int c;
+ RL_SETSTATE(RL_STATE_MOREINPUT);
c = rl_read_key ();
+ RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
if (count < 0)
return (_rl_char_search_internal (-count, bdir, c));
else
/* While we are editing the history, this is the saved
version of the original line. */
-HIST_ENTRY *saved_line_for_history = (HIST_ENTRY *)NULL;
+HIST_ENTRY *_rl_saved_line_for_history = (HIST_ENTRY *)NULL;
/* Set the history pointer back to the last entry in the history. */
static void
start_using_history ()
{
using_history ();
- if (saved_line_for_history)
- _rl_free_history_entry (saved_line_for_history);
+ if (_rl_saved_line_for_history)
+ _rl_free_history_entry (_rl_saved_line_for_history);
- saved_line_for_history = (HIST_ENTRY *)NULL;
+ _rl_saved_line_for_history = (HIST_ENTRY *)NULL;
}
/* Free the contents (and containing structure) of a HIST_ENTRY. */
/* Perhaps put back the current line if it has changed. */
int
-maybe_replace_line ()
+rl_maybe_replace_line ()
{
HIST_ENTRY *temp;
/* If the current line has changed, save the changes. */
if (temp && ((UNDO_LIST *)(temp->data) != rl_undo_list))
{
- temp = replace_history_entry (where_history (), the_line, rl_undo_list);
+ temp = replace_history_entry (where_history (), the_line, (histdata_t)rl_undo_list);
free (temp->line);
free (temp);
}
return 0;
}
-/* Put back the saved_line_for_history if there is one. */
+/* Restore the _rl_saved_line_for_history if there is one. */
int
-maybe_unsave_line ()
+rl_maybe_unsave_line ()
{
int line_len;
- if (saved_line_for_history)
+ if (_rl_saved_line_for_history)
{
- line_len = strlen (saved_line_for_history->line);
+ line_len = strlen (_rl_saved_line_for_history->line);
if (line_len >= rl_line_buffer_len)
rl_extend_line_buffer (line_len);
- strcpy (the_line, saved_line_for_history->line);
- rl_undo_list = (UNDO_LIST *)saved_line_for_history->data;
- _rl_free_history_entry (saved_line_for_history);
- saved_line_for_history = (HIST_ENTRY *)NULL;
+ strcpy (the_line, _rl_saved_line_for_history->line);
+ rl_undo_list = (UNDO_LIST *)_rl_saved_line_for_history->data;
+ _rl_free_history_entry (_rl_saved_line_for_history);
+ _rl_saved_line_for_history = (HIST_ENTRY *)NULL;
rl_end = rl_point = strlen (the_line);
}
else
- ding ();
+ rl_ding ();
return 0;
}
-/* Save the current line in saved_line_for_history. */
+/* Save the current line in _rl_saved_line_for_history. */
int
-maybe_save_line ()
+rl_maybe_save_line ()
{
- if (saved_line_for_history == 0)
+ if (_rl_saved_line_for_history == 0)
{
- saved_line_for_history = (HIST_ENTRY *)xmalloc (sizeof (HIST_ENTRY));
- saved_line_for_history->line = savestring (the_line);
- saved_line_for_history->data = (char *)rl_undo_list;
+ _rl_saved_line_for_history = (HIST_ENTRY *)xmalloc (sizeof (HIST_ENTRY));
+ _rl_saved_line_for_history->line = savestring (the_line);
+ _rl_saved_line_for_history->data = (char *)rl_undo_list;
}
return 0;
}
+int
+_rl_free_saved_history_line ()
+{
+ if (_rl_saved_line_for_history)
+ {
+ _rl_free_history_entry (_rl_saved_line_for_history);
+ _rl_saved_line_for_history = (HIST_ENTRY *)NULL;
+ }
+ return 0;
+}
+
/* **************************************************************** */
/* */
/* History Commands */
rl_end_of_history (count, key)
int count, key;
{
- maybe_replace_line ();
+ rl_maybe_replace_line ();
using_history ();
- maybe_unsave_line ();
+ rl_maybe_unsave_line ();
return 0;
}
if (count == 0)
return 0;
- maybe_replace_line ();
+ rl_maybe_replace_line ();
+
+ /* either not saved by rl_newline or at end of line, so set appropriately. */
+ if (_rl_history_saved_point == -1 && (rl_point || rl_end))
+ _rl_history_saved_point = (rl_point == rl_end) ? -1 : rl_point;
temp = (HIST_ENTRY *)NULL;
while (count)
}
if (temp == 0)
- maybe_unsave_line ();
+ rl_maybe_unsave_line ();
else
{
line_len = strlen (temp->line);
strcpy (the_line, temp->line);
rl_undo_list = (UNDO_LIST *)temp->data;
- rl_end = rl_point = strlen (the_line);
+ rl_end = strlen (the_line);
+ rl_point = (_rl_history_preserve_point && _rl_history_saved_point != -1)
+ ? _rl_history_saved_point
+ : rl_end;
+ if (rl_point > rl_end)
+ rl_point = rl_end;
#if defined (VI_MODE)
if (rl_editing_mode == vi_mode)
rl_point = 0;
if (count == 0)
return 0;
+ /* either not saved by rl_newline or at end of line, so set appropriately. */
+ if (_rl_history_saved_point == -1 && (rl_point || rl_end))
+ _rl_history_saved_point = (rl_point == rl_end) ? -1 : rl_point;
+
/* If we don't have a line saved, then save this one. */
- maybe_save_line ();
+ rl_maybe_save_line ();
/* If the current line has changed, save the changes. */
- maybe_replace_line ();
+ rl_maybe_replace_line ();
temp = old_temp = (HIST_ENTRY *)NULL;
while (count)
temp = old_temp;
if (temp == 0)
- ding ();
+ rl_ding ();
else
{
line_len = strlen (temp->line);
strcpy (the_line, temp->line);
rl_undo_list = (UNDO_LIST *)temp->data;
- rl_end = rl_point = line_len;
+ rl_end = line_len;
+ rl_point = (_rl_history_preserve_point && _rl_history_saved_point != -1)
+ ? _rl_history_saved_point
+ : rl_end;
+ if (rl_point > rl_end)
+ rl_point = rl_end;
#if defined (VI_MODE)
if (rl_editing_mode == vi_mode)
if (rl_mark == -1)
{
- ding ();
+ rl_ding ();
return -1;
}
else
projects / platform / upstream / bash.git / blobdiff