deps/boost_1_63_0/boost/archive/tmpdir.hpp

   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 //#include <boost/assert.hpp>
  22
  23 #include <boost/config.hpp>
  24 #ifdef BOOST_NO_STDC_NAMESPACE
  25 namespace std {
  26     using ::getenv;
  27 }
  28 #endif
  29
  30 namespace boost {
  31 namespace archive {
  32
  33 inline const char * tmpdir(){
  34     const char *dirname;
  35     dirname = std::getenv("TMP");
  36     if(NULL == dirname)
  37         dirname = std::getenv("TMPDIR");
  38     if(NULL == dirname)
  39         dirname = std::getenv("TEMP");
  40     if(NULL == dirname){
  41         //BOOST_ASSERT(false); // no temp directory found
  42         dirname = ".";
  43     }
  44     return dirname;
  45 }
  46
  47 } // archive
  48 } // boost
  49
  50 #endif // BOOST_ARCHIVE_TMPDIR_HPP