ceph/src/boost/boost/winapi/environment.hpp

   1 /*
   2  * Copyright 2016 Klemens D. Morgenstern
   3  *
   4  * Distributed under the Boost Software License, Version 1.0.
   5  * See http://www.boost.org/LICENSE_1_0.txt
   6  */
   7
   8 #ifndef BOOST_WINAPI_ENVIRONMENT_HPP_INCLUDED_
   9 #define BOOST_WINAPI_ENVIRONMENT_HPP_INCLUDED_
  10
  11 #include <boost/winapi/basic_types.hpp>
  12
  13 #ifdef BOOST_HAS_PRAGMA_ONCE
  14 #pragma once
  15 #endif
  16
  17 #if BOOST_WINAPI_PARTITION_DESKTOP || BOOST_WINAPI_PARTITION_SYSTEM
  18
  19 #if !defined( BOOST_USE_WINDOWS_H )
  20 extern "C" {
  21 #if !defined( BOOST_NO_ANSI_APIS )
  22 BOOST_SYMBOL_IMPORT boost::winapi::LPSTR_ WINAPI GetEnvironmentStringsA();
  23 BOOST_SYMBOL_IMPORT boost::winapi::BOOL_ WINAPI FreeEnvironmentStringsA(boost::winapi::LPSTR_);
  24
  25 BOOST_SYMBOL_IMPORT boost::winapi::DWORD_ WINAPI GetEnvironmentVariableA(
  26     boost::winapi::LPCSTR_ lpName,
  27     boost::winapi::LPSTR_ lpBuffer,
  28     boost::winapi::DWORD_ nSize
  29 );
  30
  31 BOOST_SYMBOL_IMPORT boost::winapi::BOOL_ WINAPI SetEnvironmentVariableA(
  32     boost::winapi::LPCSTR_ lpName,
  33     boost::winapi::LPCSTR_ lpValue
  34 );
  35 #endif // !defined( BOOST_NO_ANSI_APIS )
  36
  37 BOOST_SYMBOL_IMPORT boost::winapi::LPWSTR_ WINAPI GetEnvironmentStringsW();
  38 BOOST_SYMBOL_IMPORT boost::winapi::BOOL_ WINAPI FreeEnvironmentStringsW(boost::winapi::LPWSTR_);
  39
  40 BOOST_SYMBOL_IMPORT boost::winapi::DWORD_ WINAPI GetEnvironmentVariableW(
  41     boost::winapi::LPCWSTR_ lpName,
  42     boost::winapi::LPWSTR_ lpBuffer,
  43     boost::winapi::DWORD_ nSize
  44 );
  45
  46 BOOST_SYMBOL_IMPORT boost::winapi::BOOL_ WINAPI SetEnvironmentVariableW(
  47     boost::winapi::LPCWSTR_ lpName,
  48     boost::winapi::LPCWSTR_ lpValue
  49 );
  50 } // extern "C"
  51 #endif // !defined( BOOST_USE_WINDOWS_H )
  52
  53 namespace boost {
  54 namespace winapi {
  55
  56 #if !defined( BOOST_NO_ANSI_APIS )
  57 using ::GetEnvironmentStringsA;
  58 using ::FreeEnvironmentStringsA;
  59 using ::GetEnvironmentVariableA;
  60 using ::SetEnvironmentVariableA;
  61 #endif // !defined( BOOST_NO_ANSI_APIS )
  62
  63 using ::GetEnvironmentStringsW;
  64 using ::FreeEnvironmentStringsW;
  65 using ::GetEnvironmentVariableW;
  66 using ::SetEnvironmentVariableW;
  67
  68 template< typename Char >
  69 Char* get_environment_strings();
  70
  71 #if !defined( BOOST_NO_ANSI_APIS )
  72
  73 template< >
  74 BOOST_FORCEINLINE char* get_environment_strings< char >()
  75 {
  76     return GetEnvironmentStringsA();
  77 }
  78
  79 BOOST_FORCEINLINE BOOL_ free_environment_strings(LPSTR_ p)
  80 {
  81     return FreeEnvironmentStringsA(p);
  82 }
  83
  84 BOOST_FORCEINLINE DWORD_ get_environment_variable(LPCSTR_ name, LPSTR_ buffer, DWORD_ size)
  85 {
  86     return GetEnvironmentVariableA(name, buffer, size);
  87 }
  88
  89 BOOST_FORCEINLINE BOOL_ set_environment_variable(LPCSTR_ name, LPCSTR_ value)
  90 {
  91     return SetEnvironmentVariableA(name, value);
  92 }
  93
  94 #endif // !defined( BOOST_NO_ANSI_APIS )
  95
  96 template< >
  97 BOOST_FORCEINLINE wchar_t* get_environment_strings< wchar_t >()
  98 {
  99     return GetEnvironmentStringsW();
 100 }
 101
 102 BOOST_FORCEINLINE BOOL_ free_environment_strings(LPWSTR_ p)
 103 {
 104     return FreeEnvironmentStringsW(p);
 105 }
 106
 107 BOOST_FORCEINLINE DWORD_ get_environment_variable(LPCWSTR_ name, LPWSTR_ buffer, DWORD_ size)
 108 {
 109     return GetEnvironmentVariableW(name, buffer, size);
 110 }
 111
 112 BOOST_FORCEINLINE BOOL_ set_environment_variable(LPCWSTR_ name, LPCWSTR_ value)
 113 {
 114     return SetEnvironmentVariableW(name, value);
 115 }
 116
 117 } // namespace winapi
 118 } // namespace boost
 119
 120 #endif // BOOST_WINAPI_PARTITION_DESKTOP || BOOST_WINAPI_PARTITION_SYSTEM
 121 #endif // BOOST_WINAPI_ENVIRONMENT_HPP_INCLUDED_