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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:14:06 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:14:06 +0000
commiteee068778cb28ecf3c14e1bf843a95547d72c42d (patch)
tree0e07b30ddc5ea579d682d5dbe57998200d1c9ab7 /common/gpgrlhelp.c
parentInitial commit. (diff)
downloadgnupg2-eee068778cb28ecf3c14e1bf843a95547d72c42d.tar.xz
gnupg2-eee068778cb28ecf3c14e1bf843a95547d72c42d.zip
Adding upstream version 2.2.40.upstream/2.2.40
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'common/gpgrlhelp.c')
-rw-r--r--common/gpgrlhelp.c97
1 files changed, 97 insertions, 0 deletions
diff --git a/common/gpgrlhelp.c b/common/gpgrlhelp.c
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--- /dev/null
+++ b/common/gpgrlhelp.c
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+/* 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
+}