intl/os2compat.c

   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 }