1/* os2compat.c - OS/2 compatibility functions. */
2
3/* Copyright (C) 2001-2002, 2005-2009 Free Software Foundation, Inc.
4
5   This file is part of GNU Bash.
6
7   Bash is free software: you can redistribute it and/or modify
8   it under the terms of the GNU General Public License as published by
9   the Free Software Foundation, either version 3 of the License, or
10   (at your option) any later version.
11
12   Bash is distributed in the hope that it will be useful,
13   but WITHOUT ANY WARRANTY; without even the implied warranty of
14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   GNU General Public License for more details.
16
17   You should have received a copy of the GNU General Public License
18   along with Bash.  If not, see <http://www.gnu.org/licenses/>.
19*/
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 */
31extern unsigned long DosScanEnv (const unsigned char *pszName, unsigned char **ppszValue);
32
33char *
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.  */
44char libintl_nl_default_dirname[MAXPATHLEN+1];
45
46char *_nlos2_libdir = NULL;
47char *_nlos2_localealiaspath = NULL;
48char *_nlos2_localedir = NULL;
49
50static __attribute__((constructor)) void
51nlos2_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