109 lines
3.2 KiB
C
109 lines
3.2 KiB
C
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/* Implementation of the textdomain(3) function.
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Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
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Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
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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 Foundation,
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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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#if defined STDC_HEADERS || defined _LIBC
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# include <stdlib.h>
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#endif
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#if defined STDC_HEADERS || defined HAVE_STRING_H || defined _LIBC
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# include <string.h>
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#else
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# include <strings.h>
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# ifndef memcpy
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# define memcpy(Dst, Src, Num) bcopy (Src, Dst, Num)
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# endif
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#endif
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#ifdef _LIBC
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# include <libintl.h>
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#else
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# include "libgettext.h"
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#endif
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/* @@ end of prolog @@ */
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/* Name of the default text domain. */
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extern const char _nl_default_default_domain[];
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/* Default text domain in which entries for gettext(3) are to be found. */
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extern const char *_nl_current_default_domain;
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/* Names for the libintl functions are a problem. They must not clash
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with existing names and they should follow ANSI C. But this source
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code is also used in GNU C Library where the names have a __
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prefix. So we have to make a difference here. */
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#ifdef _LIBC
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# define TEXTDOMAIN __textdomain
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# ifndef strdup
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# define strdup(str) __strdup (str)
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# endif
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#else
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# define TEXTDOMAIN textdomain__
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#endif
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/* Set the current default message catalog to DOMAINNAME.
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If DOMAINNAME is null, return the current default.
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If DOMAINNAME is "", reset to the default of "messages". */
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char *
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TEXTDOMAIN (domainname)
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const char *domainname;
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{
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char *old;
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/* A NULL pointer requests the current setting. */
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if (domainname == NULL)
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return (char *) _nl_current_default_domain;
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old = (char *) _nl_current_default_domain;
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/* If domain name is the null string set to default domain "messages". */
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if (domainname[0] == '\0'
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|| strcmp (domainname, _nl_default_default_domain) == 0)
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_nl_current_default_domain = _nl_default_default_domain;
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else
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{
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/* If the following malloc fails `_nl_current_default_domain'
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will be NULL. This value will be returned and so signals we
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are out of core. */
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#if defined _LIBC || defined HAVE_STRDUP
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_nl_current_default_domain = strdup (domainname);
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#else
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size_t len = strlen (domainname) + 1;
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char *cp = (char *) malloc (len);
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if (cp != NULL)
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memcpy (cp, domainname, len);
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_nl_current_default_domain = cp;
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#endif
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}
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if (old != _nl_default_default_domain)
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free (old);
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return (char *) _nl_current_default_domain;
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}
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#ifdef _LIBC
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/* Alias for function name in GNU C Library. */
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weak_alias (__textdomain, textdomain);
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#endif
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