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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");
}

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