/* OS/2 compatibility functions.

   Copyright (C) 2001-2002, 2015 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify

   it under the terms of the GNU Lesser General Public License as published by

   the Free Software Foundation; either version 2.1 of the License, 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 Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#define OS2_AWARE

#ifdef HAVE_CONFIG_H

#include <config.h>

#endif

#include <stdlib.h>

#include <string.h>

#include <sys/param.h>

/* A version of getenv() that works from DLLs */

extern unsigned long DosScanEnv (const unsigned char *pszName, unsigned char **ppszValue);

char *

_nl_getenv (const char *name)

{

  unsigned char *value;

  if (DosScanEnv (name, &value))

    return NULL;

  else

    return value;

}

/* A fixed size buffer.  */

char libintl_nl_default_dirname[MAXPATHLEN+1];

char *_nlos2_libdir = NULL;

char *_nlos2_localealiaspath = NULL;

char *_nlos2_localedir = NULL;

static __attribute__((constructor)) void

nlos2_initialize ()

{

  char *root = getenv ("UNIXROOT");

  char *gnulocaledir = getenv ("GNULOCALEDIR");

  _nlos2_libdir = gnulocaledir;

  if (!_nlos2_libdir)

    {

      if (root)

        {

          size_t sl = strlen (root);

          _nlos2_libdir = (char *) malloc (sl + strlen (LIBDIR) + 1);

          memcpy (_nlos2_libdir, root, sl);

          memcpy (_nlos2_libdir + sl, LIBDIR, strlen (LIBDIR) + 1);

        }

      else

        _nlos2_libdir = LIBDIR;

    }

  _nlos2_localealiaspath = gnulocaledir;

  if (!_nlos2_localealiaspath)

    {

      if (root)

        {

          size_t sl = strlen (root);

          _nlos2_localealiaspath = (char *) malloc (sl + strlen (LOCALE_ALIAS_PATH) + 1);

          memcpy (_nlos2_localealiaspath, root, sl);

          memcpy (_nlos2_localealiaspath + sl, LOCALE_ALIAS_PATH, strlen (LOCALE_ALIAS_PATH) + 1);

        }

     else

        _nlos2_localealiaspath = LOCALE_ALIAS_PATH;

    }

  _nlos2_localedir = gnulocaledir;

  if (!_nlos2_localedir)

    {

      if (root)

        {

          size_t sl = strlen (root);

          _nlos2_localedir = (char *) malloc (sl + strlen (LOCALEDIR) + 1);

          memcpy (_nlos2_localedir, root, sl);

          memcpy (_nlos2_localedir + sl, LOCALEDIR, strlen (LOCALEDIR) + 1);

        }

      else

        _nlos2_localedir = LOCALEDIR;

    }

  if (strlen (_nlos2_localedir) <= MAXPATHLEN)

    strcpy (libintl_nl_default_dirname, _nlos2_localedir);

}