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135 lines
4.5 KiB
C
135 lines
4.5 KiB
C
/* intl-compat.c - Stub functions to call gettext functions from GNU gettext
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Library.
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Copyright (C) 1995, 2000, 2001 Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program 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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "elinks.h"
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#include "intl/gettext/libintl.h"
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#include "intl/gettext/gettextP.h"
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/* This file redirects the gettext functions (without prefix or suffix) to
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those defined in the included GNU gettext library (with "__" suffix).
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It is compiled into libintl when the included GNU gettext library is
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configured --with-included-gettext.
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This redirection works also in the case that the system C library or
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the system libintl library contain gettext/textdomain/... functions.
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If it didn't, we would need to add preprocessor level redirections to
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libgnuintl.h of the following form:
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#define gettext gettext__
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#define dgettext dgettext__
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#define dcgettext dcgettext__
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#define ngettext ngettext__
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#define dngettext dngettext__
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#define dcngettext dcngettext__
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#define textdomain textdomain__
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#define bindtextdomain bindtextdomain__
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#define bind_textdomain_codeset bind_textdomain_codeset__
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How does this redirection work? There are two cases.
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A. When libintl.a is linked into an executable, it works because
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functions defined in the executable always override functions in
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the shared libraries.
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B. When libintl.so is used, it works because
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1. those systems defining gettext/textdomain/... in the C library
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(namely, Solaris 2.4 and newer, and GNU libc 2.0 and newer) are
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ELF systems and define these symbols as weak, thus explicitly
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letting other shared libraries override it.
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2. those systems defining gettext/textdomain/... in a standalone
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libintl.so library (namely, Solaris 2.3 and newer) have this
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shared library in /usr/lib, and the linker will search /usr/lib
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*after* the directory where the GNU gettext library is installed.
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A third case, namely when libintl.a is linked into a shared library
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whose name is not libintl.so, is not supported. In this case, on
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Solaris, when -lintl precedes the linker option for the shared library
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containing GNU gettext, the system's gettext would indeed override
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the GNU gettext. Anyone doing this kind of stuff must be clever enough
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to 1. compile libintl.a with -fPIC, 2. remove -lintl from his linker
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command line. */
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#undef gettext
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#undef dgettext
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#undef dcgettext
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#undef ngettext
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#undef dngettext
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#undef dcngettext
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#undef textdomain
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#undef bindtextdomain
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#undef bind_textdomain_codeset
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unsigned char *
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gettext(const unsigned char *msgid)
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{
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return gettext__(msgid);
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}
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unsigned char *
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dgettext(const unsigned char *domainname, const unsigned char *msgid)
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{
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return dgettext__(domainname, msgid);
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}
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unsigned char *
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dcgettext(const unsigned char *domainname, const unsigned char *msgid, int category)
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{
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return dcgettext__(domainname, msgid, category);
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}
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unsigned char *
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ngettext(const unsigned char *msgid1, const unsigned char *msgid2, unsigned long int n)
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{
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return ngettext__(msgid1, msgid2, n);
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}
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unsigned char *
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dngettext(const unsigned char *domainname, const unsigned char *msgid1, const unsigned char *msgid2,
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unsigned long int n)
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{
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return dngettext__(domainname, msgid1, msgid2, n);
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}
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unsigned char *
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dcngettext(const unsigned char *domainname, const unsigned char *msgid1, const unsigned char *msgid2,
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unsigned long int n, int category)
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{
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return dcngettext__(domainname, msgid1, msgid2, n, category);
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}
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unsigned char *
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textdomain(const unsigned char *domainname)
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{
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return textdomain__(domainname);
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}
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unsigned char *
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bindtextdomain(const unsigned char *domainname, const unsigned char *dirname)
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{
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return bindtextdomain__(domainname, dirname);
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}
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unsigned char *
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bind_textdomain_codeset(const unsigned char *domainname, const unsigned char *codeset)
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{
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return bind_textdomain_codeset__(domainname, codeset);
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}
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