gnu/dist/texinfo/intl/os2compat.c

   1 /*      $NetBSD$        */
   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 }