xref: /netbsd-src/external/gpl2/texinfo/dist/intl/os2compat.c (revision 29619d2afe564e54d657b83e5a3ae89584f83720)
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 *
_nl_getenv(const char * name)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
nlos2_initialize()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