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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 09:59:15 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 09:59:15 +0000 |
commit | 8de1ee1b2b676b0d07586f0752750dd6b0fb7511 (patch) | |
tree | dd46fd7dc3863045696cd0e48032d8a36fa0daf5 /common/gpgrlhelp.c | |
parent | Initial commit. (diff) | |
download | gnupg2-upstream.tar.xz gnupg2-upstream.zip |
Adding upstream version 2.2.27.upstream/2.2.27upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'common/gpgrlhelp.c')
-rw-r--r-- | common/gpgrlhelp.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/common/gpgrlhelp.c b/common/gpgrlhelp.c new file mode 100644 index 0000000..680d999 --- /dev/null +++ b/common/gpgrlhelp.c @@ -0,0 +1,97 @@ +/* gpgrlhelp.c - A readline wrapper. + * Copyright (C) 2006 Free Software Foundation, Inc. + * + * This file is part of GnuPG. + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of either + * + * - the GNU Lesser General Public License as published by the Free + * Software Foundation; either version 3 of the License, or (at + * your option) any later version. + * + * or + * + * - the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * or both in parallel, as here. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses/>. + */ + +/* This module may by used by applications to initializes readline + support. It is required so that we can have hooks in other parts + of libcommon without actually requiring to link against + libreadline. It works along with ttyio.c which is a proper part of + libcommon. */ + +#include <config.h> +#include <stdlib.h> +#include <stddef.h> + +#ifdef HAVE_LIBREADLINE +#define GNUPG_LIBREADLINE_H_INCLUDED +#include <stdio.h> +#include <readline/readline.h> +#include <readline/history.h> +#endif + +#include "util.h" +#include "common-defs.h" + + +#ifdef HAVE_LIBREADLINE +static void +set_completer (rl_completion_func_t *completer) +{ + rl_attempted_completion_function = completer; + rl_inhibit_completion = 0; +} + +static void +inhibit_completion (int value) +{ + rl_inhibit_completion = value; +} + +static void +cleanup_after_signal (void) +{ + rl_free_line_state (); + rl_cleanup_after_signal (); +} + +static void +init_stream (FILE *fp) +{ + rl_catch_signals = 0; + rl_instream = rl_outstream = fp; + rl_inhibit_completion = 1; +} + +#endif /*HAVE_LIBREADLINE*/ + + +/* Initialize our readline code. This should be called as early as + possible as it is actually a constructur. */ +void +gnupg_rl_initialize (void) +{ +#ifdef HAVE_LIBREADLINE + tty_private_set_rl_hooks (init_stream, + set_completer, + inhibit_completion, + cleanup_after_signal, + readline, + add_history); + rl_readline_name = GNUPG_NAME; +#endif +} |