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      1 /*	$NetBSD: os2compat.c,v 1.1.1.1 2016/01/14 00:11:28 christos Exp $	*/
      2 
      3 /* OS/2 compatibility functions.
      4    Copyright (C) 2001-2002 Free Software Foundation, Inc.
      5 
      6    This program is free software; you can redistribute it and/or modify it
      7    under the terms of the GNU Library General Public License as published
      8    by the Free Software Foundation; either version 2, or (at your option)
      9    any later version.
     10 
     11    This program is distributed in the hope that it will be useful,
     12    but WITHOUT ANY WARRANTY; without even the implied warranty of
     13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14    Library General Public License for more details.
     15 
     16    You should have received a copy of the GNU Library General Public
     17    License along with this program; if not, write to the Free Software
     18    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
     19    USA.  */
     20 
     21 #define OS2_AWARE
     22 #ifdef HAVE_CONFIG_H
     23 #include <config.h>
     24 #endif
     25 
     26 #include <stdlib.h>
     27 #include <string.h>
     28 #include <sys/param.h>
     29 
     30 /* A version of getenv() that works from DLLs */
     31 extern unsigned long DosScanEnv (const unsigned char *pszName, unsigned char **ppszValue);
     32 
     33 char *
     34 _nl_getenv (const char *name)
     35 {
     36   unsigned char *value;
     37   if (DosScanEnv (name, &value))
     38     return NULL;
     39   else
     40     return value;
     41 }
     42 
     43 /* A fixed size buffer.  */
     44 char libintl_nl_default_dirname[MAXPATHLEN+1];
     45 
     46 char *_nlos2_libdir = NULL;
     47 char *_nlos2_localealiaspath = NULL;
     48 char *_nlos2_localedir = NULL;
     49 
     50 static __attribute__((constructor)) void
     51 nlos2_initialize ()
     52 {
     53   char *root = getenv ("UNIXROOT");
     54   char *gnulocaledir = getenv ("GNULOCALEDIR");
     55 
     56   _nlos2_libdir = gnulocaledir;
     57   if (!_nlos2_libdir)
     58     {
     59       if (root)
     60         {
     61           size_t sl = strlen (root);
     62           _nlos2_libdir = (char *) malloc (sl + strlen (LIBDIR) + 1);
     63           memcpy (_nlos2_libdir, root, sl);
     64           memcpy (_nlos2_libdir + sl, LIBDIR, strlen (LIBDIR) + 1);
     65         }
     66       else
     67         _nlos2_libdir = LIBDIR;
     68     }
     69 
     70   _nlos2_localealiaspath = gnulocaledir;
     71   if (!_nlos2_localealiaspath)
     72     {
     73       if (root)
     74         {
     75           size_t sl = strlen (root);
     76           _nlos2_localealiaspath = (char *) malloc (sl + strlen (LOCALE_ALIAS_PATH) + 1);
     77           memcpy (_nlos2_localealiaspath, root, sl);
     78           memcpy (_nlos2_localealiaspath + sl, LOCALE_ALIAS_PATH, strlen (LOCALE_ALIAS_PATH) + 1);
     79         }
     80      else
     81         _nlos2_localealiaspath = LOCALE_ALIAS_PATH;
     82     }
     83 
     84   _nlos2_localedir = gnulocaledir;
     85   if (!_nlos2_localedir)
     86     {
     87       if (root)
     88         {
     89           size_t sl = strlen (root);
     90           _nlos2_localedir = (char *) malloc (sl + strlen (LOCALEDIR) + 1);
     91           memcpy (_nlos2_localedir, root, sl);
     92           memcpy (_nlos2_localedir + sl, LOCALEDIR, strlen (LOCALEDIR) + 1);
     93         }
     94       else
     95         _nlos2_localedir = LOCALEDIR;
     96     }
     97 
     98   if (strlen (_nlos2_localedir) <= MAXPATHLEN)
     99     strcpy (libintl_nl_default_dirname, _nlos2_localedir);
    100 }
    101