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mirror of git://git.gnupg.org/gnupg.git synced 2024-11-09 21:28:51 +01:00
gnupg/common/i18n.c
2008-11-04 19:54:02 +00:00

108 lines
2.6 KiB
C

/* i18n.c - gettext initialization
* Copyright (C) 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 <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#ifdef HAVE_LOCALE_H
#include <locale.h>
#endif
#ifdef HAVE_LANGINFO_CODESET
#include <langinfo.h>
#endif
#include "util.h"
#include "i18n.h"
void
i18n_init (void)
{
#ifdef USE_SIMPLE_GETTEXT
bindtextdomain (PACKAGE_GT, gnupg_localedir ());
#else
# ifdef ENABLE_NLS
setlocale (LC_ALL, "" );
bindtextdomain (PACKAGE_GT, LOCALEDIR);
textdomain (PACKAGE_GT);
# endif
#endif
}
/* The Assuan agent protocol requires us to transmit utf-8 strings
thus we need a way to temporary switch gettext from native to
utf8. */
char *
i18n_switchto_utf8 (void)
{
#ifdef USE_SIMPLE_GETTEXT
gettext_select_utf8 (1);
return NULL;
#elif defined(ENABLE_NLS)
char *orig_codeset = bind_textdomain_codeset (PACKAGE_GT, NULL);
# ifdef HAVE_LANGINFO_CODESET
if (!orig_codeset)
orig_codeset = nl_langinfo (CODESET);
# endif
if (orig_codeset)
{ /* We only switch when we are able to restore the codeset later.
Note that bind_textdomain_codeset does only return on memory
errors but not if a codeset is not available. Thus we don't
bother printing a diagnostic here. */
orig_codeset = xstrdup (orig_codeset);
if (!bind_textdomain_codeset (PACKAGE_GT, "utf-8"))
{
xfree (orig_codeset);
orig_codeset = NULL;
}
}
return orig_codeset;
#else
return NULL;
#endif
}
/* Switch back to the saved codeset. */
void
i18n_switchback (char *saved_codeset)
{
#ifdef USE_SIMPLE_GETTEXT
(void)saved_codeset;
gettext_select_utf8 (0);
#elif defined(ENABLE_NLS)
if (saved_codeset)
{
bind_textdomain_codeset (PACKAGE_GT, saved_codeset);
xfree (saved_codeset);
}
#else
(void)saved_codeset;
#endif
}
/* Gettext variant which temporary switches to utf-8 for string. */
const char *
i18n_utf8 (const char *string)
{
char *saved = i18n_switchto_utf8 ();
const char *result = _(string);
i18n_switchback (saved);
return result;
}