1 #ifndef BOOST_ARCHIVE_TMPDIR_HPP
2 #define BOOST_ARCHIVE_TMPDIR_HPP
3 
4 // MS compatible compilers support #pragma once
5 #if defined(_MSC_VER)
6 # pragma once
7 #endif
8 
9 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
10 // tmpdir.hpp:
11 
12 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
13 // Use, modification and distribution is subject to the Boost Software
14 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
15 // http://www.boost.org/LICENSE_1_0.txt)
16 
17 //  See http://www.boost.org for updates, documentation, and revision history.
18 
19 #include <cstdlib> // getenv
20 #include <cstddef> // NULL
21 
22 #include <boost/config.hpp>
23 #ifdef BOOST_NO_STDC_NAMESPACE
24 namespace std {
25     using ::getenv;
26 }
27 #endif
28 
29 namespace boost {
30 namespace archive {
31 
tmpdir()32 inline const char * tmpdir(){
33     const char *dirname;
34     dirname = std::getenv("TMP");
35     if(NULL == dirname)
36         dirname = std::getenv("TMPDIR");
37     if(NULL == dirname)
38         dirname = std::getenv("TEMP");
39     if(NULL == dirname){
40         //BOOST_ASSERT(false); // no temp directory found
41         dirname = ".";
42     }
43     return dirname;
44 }
45 
46 } // archive
47 } // boost
48 
49 #endif // BOOST_ARCHIVE_TMPDIR_HPP
50