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98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
/* gpgrlhelp.c - A readline wrapper.
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* Copyright (C) 2006 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of either
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*
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* - the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* or
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*
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* - the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* or both in parallel, as here.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <https://www.gnu.org/licenses/>.
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*/
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/* This module may by used by applications to initializes readline
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support. It is required so that we can have hooks in other parts
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of libcommon without actually requiring to link against
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libreadline. It works along with ttyio.c which is a proper part of
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libcommon. */
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#include <config.h>
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#include <stdlib.h>
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#include <stddef.h>
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#ifdef HAVE_LIBREADLINE
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#define GNUPG_LIBREADLINE_H_INCLUDED
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#include <stdio.h>
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#include <readline/readline.h>
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#include <readline/history.h>
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#endif
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#include "util.h"
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#include "common-defs.h"
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#ifdef HAVE_LIBREADLINE
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static void
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set_completer (rl_completion_func_t *completer)
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{
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rl_attempted_completion_function = completer;
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rl_inhibit_completion = 0;
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}
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static void
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inhibit_completion (int value)
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{
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rl_inhibit_completion = value;
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}
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static void
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cleanup_after_signal (void)
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{
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rl_free_line_state ();
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rl_cleanup_after_signal ();
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}
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static void
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init_stream (FILE *fp)
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{
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rl_catch_signals = 0;
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rl_instream = rl_outstream = fp;
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rl_inhibit_completion = 1;
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}
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#endif /*HAVE_LIBREADLINE*/
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/* Initialize our readline code. This should be called as early as
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possible as it is actually a constructur. */
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void
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gnupg_rl_initialize (void)
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{
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#ifdef HAVE_LIBREADLINE
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tty_private_set_rl_hooks (init_stream,
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set_completer,
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inhibit_completion,
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cleanup_after_signal,
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readline,
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add_history);
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rl_readline_name = GNUPG_NAME;
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#endif
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}
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