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