mirror of git://git.gnupg.org/gnupg.git
116 lines
2.9 KiB
C
116 lines
2.9 KiB
C
/* i18n.c - gettext initialization
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* Copyright (C) 2007, 2010 Free Software Foundation, Inc.
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of either
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*
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* - the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* or
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*
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* - the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* or both in parallel, as here.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#ifdef HAVE_LOCALE_H
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#include <locale.h>
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#endif
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#ifdef HAVE_LANGINFO_CODESET
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#include <langinfo.h>
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#endif
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#include "util.h"
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#include "i18n.h"
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void
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i18n_init (void)
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{
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#ifdef USE_SIMPLE_GETTEXT
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bindtextdomain (PACKAGE_GT, gnupg_localedir ());
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textdomain (PACKAGE_GT);
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#else
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# ifdef ENABLE_NLS
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setlocale (LC_ALL, "" );
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bindtextdomain (PACKAGE_GT, LOCALEDIR);
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textdomain (PACKAGE_GT);
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# endif
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#endif
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}
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/* The Assuan agent protocol requires us to transmit utf-8 strings
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thus we need a way to temporary switch gettext from native to
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utf8. */
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char *
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i18n_switchto_utf8 (void)
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{
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#ifdef USE_SIMPLE_GETTEXT
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/* Return an arbitrary pointer as true value. */
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return gettext_use_utf8 (1) ? (char*)(-1) : NULL;
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#elif defined(ENABLE_NLS)
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char *orig_codeset = bind_textdomain_codeset (PACKAGE_GT, NULL);
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# ifdef HAVE_LANGINFO_CODESET
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if (!orig_codeset)
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orig_codeset = nl_langinfo (CODESET);
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# endif
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if (orig_codeset)
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{ /* We only switch when we are able to restore the codeset later.
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Note that bind_textdomain_codeset does only return on memory
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errors but not if a codeset is not available. Thus we don't
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bother printing a diagnostic here. */
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orig_codeset = xstrdup (orig_codeset);
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if (!bind_textdomain_codeset (PACKAGE_GT, "utf-8"))
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{
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xfree (orig_codeset);
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orig_codeset = NULL;
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}
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}
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return orig_codeset;
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#else
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return NULL;
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#endif
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}
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/* Switch back to the saved codeset. */
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void
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i18n_switchback (char *saved_codeset)
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{
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#ifdef USE_SIMPLE_GETTEXT
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gettext_use_utf8 (!!saved_codeset);
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#elif defined(ENABLE_NLS)
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if (saved_codeset)
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{
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bind_textdomain_codeset (PACKAGE_GT, saved_codeset);
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xfree (saved_codeset);
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}
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#else
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(void)saved_codeset;
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#endif
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}
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/* Gettext variant which temporary switches to utf-8 for string. */
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const char *
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i18n_utf8 (const char *string)
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{
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char *saved = i18n_switchto_utf8 ();
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const char *result = _(string);
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i18n_switchback (saved);
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return result;
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}
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