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Update readline to version 5.2. This fixes bug#18431.

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This commit is contained in:
df@pippilotta.erinye.com
2007-11-19 14:38:08 +01:00
parent 51be103e13
commit 44ab4b2e7d
43 changed files with 3653 additions and 1550 deletions
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91
cmd-line-utils/readline/undo.c
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@ -1,7 +1,7 @@
/* readline.c -- a general facility for reading lines of input
with emacs style editing and completion. */
/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.
/* Copyright (C) 1987, 1989, 1992, 2006 Free Software Foundation, Inc.
This file is part of the GNU Readline Library, a library for
reading lines of text with interactive input and history editing.
@ -22,7 +22,9 @@
59 Temple Place, Suite 330, Boston, MA 02111 USA. */
#define READLINE_LIBRARY
#include "config_readline.h"
#if defined (HAVE_CONFIG_H)
# include <config.h>
#endif
#include <sys/types.h>
@ -48,6 +50,8 @@
#include "rlprivate.h"
#include "xmalloc.h"
extern void replace_history_data PARAMS((int, histdata_t *, histdata_t *));
/* Non-zero tells rl_delete_text and rl_insert_text to not add to
the undo list. */
int _rl_doing_an_undo = 0;
@ -64,6 +68,24 @@ UNDO_LIST *rl_undo_list = (UNDO_LIST *)NULL;
/* */
/* **************************************************************** */
static UNDO_LIST *
alloc_undo_entry (what, start, end, text)
enum undo_code what;
int start, end;
char *text;
{
UNDO_LIST *temp;
temp = (UNDO_LIST *)xmalloc (sizeof (UNDO_LIST));
temp->what = what;
temp->start = start;
temp->end = end;
temp->text = text;
temp->next = (UNDO_LIST *)NULL;
return temp;
}
/* Remember how to undo something. Concatenate some undos if that
seems right. */
void
@ -72,11 +94,9 @@ rl_add_undo (what, start, end, text)
int start, end;
char *text;
{
UNDO_LIST *temp = (UNDO_LIST *)xmalloc (sizeof (UNDO_LIST));
temp->what = what;
temp->start = start;
temp->end = end;
temp->text = text;
UNDO_LIST *temp;
temp = alloc_undo_entry (what, start, end, text);
temp->next = rl_undo_list;
rl_undo_list = temp;
}
@ -85,9 +105,12 @@ rl_add_undo (what, start, end, text)
void
rl_free_undo_list ()
{
UNDO_LIST *release, *orig_list;
orig_list = rl_undo_list;
while (rl_undo_list)
{
UNDO_LIST *release = rl_undo_list;
release = rl_undo_list;
rl_undo_list = rl_undo_list->next;
if (release->what == UNDO_DELETE)
@ -96,6 +119,43 @@ rl_free_undo_list ()
free (release);
}
rl_undo_list = (UNDO_LIST *)NULL;
replace_history_data (-1, (histdata_t *)orig_list, (histdata_t *)NULL);
}
UNDO_LIST *
_rl_copy_undo_entry (entry)
UNDO_LIST *entry;
{
UNDO_LIST *new;
new = alloc_undo_entry (entry->what, entry->start, entry->end, (char *)NULL);
new->text = entry->text ? savestring (entry->text) : 0;
return new;
}
UNDO_LIST *
_rl_copy_undo_list (head)
UNDO_LIST *head;
{
UNDO_LIST *list, *new, *roving, *c;
list = head;
new = 0;
while (list)
{
c = _rl_copy_undo_entry (list);
if (new == 0)
roving = new = c;
else
{
roving->next = c;
roving = roving->next;
}
list = list->next;
}
roving->next = 0;
return new;
}
/* Undo the next thing in the list. Return 0 if there
@ -159,6 +219,8 @@ rl_do_undo ()
release = rl_undo_list;
rl_undo_list = rl_undo_list->next;
replace_history_data (-1, (histdata_t *)release, (histdata_t *)rl_undo_list);
free (release);
}
while (waiting_for_begin);
@ -175,7 +237,7 @@ _rl_fix_last_undo_of_type (type, start, end)
for (rl = rl_undo_list; rl; rl = rl->next)
{
if (rl->what == (unsigned int) type)
if (rl->what == type)
{
rl->start = start;
rl->end = end;
@ -226,7 +288,8 @@ rl_modifying (start, end)
/* Revert the current line to its previous state. */
int
rl_revert_line (int count __attribute__((unused)), int key __attribute__((unused)))
rl_revert_line (count, key)
int count, key;
{
if (!rl_undo_list)
rl_ding ();
@ -234,13 +297,19 @@ rl_revert_line (int count __attribute__((unused)), int key __attribute__((unuse
{
while (rl_undo_list)
rl_do_undo ();
#if defined (VI_MODE)
if (rl_editing_mode == vi_mode)
rl_point = rl_mark = 0; /* rl_end should be set correctly */
#endif
}
return 0;
}
/* Do some undoing of things that were done. */
int
rl_undo_command (int count, int key __attribute__((unused)))
rl_undo_command (count, key)
int count, key;
{
if (count < 0)
return 0; /* Nothing to do. */