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commit bash-20061116 snapshot

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This commit is contained in:
Chet Ramey
2011-12-07 09:00:40 -05:00
parent 906833f0cf
commit 2569d6d5a4
84 changed files with 45408 additions and 1165 deletions
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lib/readline/misc.c
+51 -1
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@@ -1,6 +1,6 @@
/* misc.c -- miscellaneous bindable readline functions. */
/* Copyright (C) 1987-2005 Free Software Foundation, Inc.
/* Copyright (C) 1987-2006 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.
@@ -429,6 +429,56 @@ rl_replace_from_history (entry, flags)
rl_mark = rl_end;
}
#endif
}
/* Process and free undo lists attached to each history entry prior to the
current entry, inclusive, reverting each line to its saved state. This
is destructive, and state about the current line is lost. This is not
intended to be called while actively editing, and the current line is
not assumed to have been added to the history list. */
void
_rl_revert_all_lines ()
{
int hpos;
HIST_ENTRY *entry, *cur;
UNDO_LIST *ul, *saved_undo_list;
char *lbuf;
lbuf = savestring (rl_line_buffer);
saved_undo_list = rl_undo_list;
hpos = where_history ();
entry = (hpos == history_length) ? previous_history () : current_history ();
while (entry)
{
if (ul = (UNDO_LIST *)entry->data)
{
if (ul == saved_undo_list)
saved_undo_list = 0;
/* Set up rl_line_buffer and other variables from history entry */
rl_replace_from_history (entry, 0); /* entry->line is now current */
/* Undo all changes to this history entry */
while (rl_undo_list)
rl_do_undo ();
/* And copy the reverted line back to the history entry, preserving
the timestamp. */
FREE (entry->line);
entry->line = savestring (rl_line_buffer);
entry->data = 0;
}
entry = previous_history ();
}
/* Restore history state */
rl_undo_list = saved_undo_list; /* may have been set to null */
history_set_pos (hpos);
/* reset the line buffer */
rl_replace_line (lbuf, 0);
_rl_set_the_line ();
/* and clean up */
free (lbuf);
}
/* **************************************************************** */