text: /* textdomain.c -- implementation of the textdomain(3) function
     Copyright (C) 1995, 1996 Free Software Foundation, Inc.
  
     This program 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 2, or (at your option)
     any later version.
  
     This program 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, write to the Free Software Foundation,
     Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  
  #ifdef HAVE_CONFIG_H
  # include <config.h>
  #endif
  
  #if defined STDC_HEADERS || defined _LIBC
  # include <stdlib.h>
  #endif
  
  #if defined STDC_HEADERS || defined HAVE_STRING_H || defined _LIBC
  # include <string.h>
  #else
  # include <strings.h>
  # if !defined (HAVE_MEMCPY) && defined (HAVE_BCOPY) && !defined (memcpy)
  #  define memcpy(Dst, Src, Num) bcopy (Src, Dst, Num)
  # endif
  #endif
  
  #ifdef _LIBC
  # include <libintl.h>
  #else
  # include "libgettext.h"
  #endif
  
  /* @@ end of prolog @@ */
  
  /* Name of the default text domain.  */
  extern const char _nl_default_default_domain[];
  
  /* Default text domain in which entries for gettext(3) are to be found.  */
  extern const char *_nl_current_default_domain;
  
  
  /* Names for the libintl functions are a problem.  They must not clash
     with existing names and they should follow ANSI C.  But this source
     code is also used in GNU C Library where the names have a __
     prefix.  So we have to make a difference here.  */
  #ifdef _LIBC
  # define TEXTDOMAIN __textdomain
  #else
  # define TEXTDOMAIN textdomain__
  #endif
  
  /* Set the current default message catalog to DOMAINNAME.
     If DOMAINNAME is null, return the current default.
     If DOMAINNAME is "", reset to the default of "messages".  */
  char *
  TEXTDOMAIN (domainname)
       const char *domainname;
  {
    char *old;
  
    /* A NULL pointer requests the current setting.  */
    if (domainname == NULL)
      return (char *) _nl_current_default_domain;
  
    old = (char *) _nl_current_default_domain;
  
    /* If domain name is the null string set to default domain "messages".  */
    if (domainname[0] == '\0'
        || strcmp (domainname, _nl_default_default_domain) == 0)
      _nl_current_default_domain = _nl_default_default_domain;
    else
      {
        /* If the following malloc fails `_nl_current_default_domain'
  	 will be NULL.  This value will be returned and so signals we
  	 are out of core.  */
        size_t len = strlen (domainname) + 1;
        char *cp = (char *) malloc (len);
        if (cp != NULL)
  	memcpy (cp, domainname, len);
        _nl_current_default_domain = cp;
      }
  
    if (old != _nl_default_default_domain)
      free (old);
  
    return (char *) _nl_current_default_domain;
  }
  
  #ifdef _LIBC
  /* Alias for function name in GNU C Library.  */
  weak_alias (__textdomain, textdomain);
  #endif
  