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-rw-r--r--g10/helptext.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/g10/helptext.c b/g10/helptext.c
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+/* helptext.c - English help texts
+ * Copyright (C) 1998, 1999, 2000, 2001, 2002,
+ * 2004, 2007 Free Software Foundation, Inc.
+ *
+ * This file is part of GnuPG.
+ *
+ * GnuPG is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GnuPG 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/>.
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "gpg.h"
+#include "../common/util.h"
+#include "../common/ttyio.h"
+#include "main.h"
+#include "../common/i18n.h"
+
+
+
+
+/* Helper to get the help through the configurable GnuPG help
+ system. */
+static char *
+get_help_from_file (const char *keyword)
+{
+ char *key, *result;
+
+ key = xtrymalloc (4 + strlen (keyword) + 1);
+ if (key)
+ {
+ strcpy (stpcpy (key, "gpg."), keyword);
+ result = gnupg_get_help_string (key, 0);
+ xfree (key);
+ if (result && !is_native_utf8 ())
+ {
+ char *tmp = utf8_to_native (result, strlen (result), -1);
+ if (tmp)
+ {
+ xfree (result);
+ result = tmp;
+ }
+ }
+ }
+ else
+ result = NULL;
+ return result;
+}
+
+
+void
+display_online_help( const char *keyword )
+{
+ char *result;
+ int need_final_lf = 1;
+
+ tty_kill_prompt();
+ if ( !keyword )
+ tty_printf (_("No help available") );
+ else if ( (result = get_help_from_file (keyword)) )
+ {
+ tty_printf ("%s", result);
+ if (*result && result[strlen (result)-1] == '\n')
+ need_final_lf = 0;
+ xfree (result);
+ }
+ else
+ {
+ tty_printf (_("No help available for '%s'"), keyword );
+ }
+ if (need_final_lf)
+ tty_printf("\n");
+}