dll/win32/msvcrt/dllmain.c

   1 /*
   2  * dllmain.c
   3  *
   4  * ReactOS MSVCRT.DLL Compatibility Library
   5  *
   6  *  THIS SOFTWARE IS NOT COPYRIGHTED
   7  *
   8  *  This source code is offered for use in the public domain. You may
   9  *  use, modify or distribute it freely.
  10  *
  11  *  This code is distributed in the hope that it will be useful but
  12  *  WITHOUT ANY WARRANTY. ALL WARRENTIES, EXPRESS OR IMPLIED ARE HEREBY
  13  *  DISCLAMED. This includes but is not limited to warrenties of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  15  *
  16  */
  17
  18 #include <precomp.h>
  19
  20 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
  21
  22 /* EXTERNAL PROTOTYPES ********************************************************/
  23
  24 extern int BlockEnvToEnvironA(void);
  25 extern int BlockEnvToEnvironW(void);
  26 extern void FreeEnvironment(char **environment);
  27
  28 extern unsigned int _osplatform;
  29 extern unsigned int _osver;
  30 extern unsigned int _winminor;
  31 extern unsigned int _winmajor;
  32 extern unsigned int _winver;
  33
  34 extern char* _acmdln;        /* pointer to ascii command line */
  35 extern wchar_t* _wcmdln;     /* pointer to wide character command line */
  36 #undef _environ
  37 extern char** _environ;      /* pointer to environment block */
  38 extern char** __initenv;     /* pointer to initial environment block */
  39 extern wchar_t** _wenviron;  /* pointer to environment block */
  40 extern wchar_t** __winitenv; /* pointer to initial environment block */
  41
  42 /* LIBRARY ENTRY POINT ********************************************************/
  43
  44 BOOL
  45 WINAPI
  46 DllMain(PVOID hinstDll, ULONG dwReason, PVOID reserved)
  47 {
  48     OSVERSIONINFOW osvi;
  49     switch (dwReason)
  50     {
  51     case DLL_PROCESS_ATTACH:
  52         /* initialize version info */
  53         TRACE("Process Attach\n");
  54         osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
  55         GetVersionExW( &osvi );
  56         _winver     = (osvi.dwMajorVersion << 8) | osvi.dwMinorVersion;
  57         _winmajor   = osvi.dwMajorVersion;
  58         _winminor   = osvi.dwMinorVersion;
  59         _osplatform = osvi.dwPlatformId;
  60         _osver      = osvi.dwBuildNumber;
  61
  62         /* create tls stuff */
  63         if (!msvcrt_init_tls())
  64           return FALSE;
  65
  66         if (BlockEnvToEnvironA() < 0)
  67             return FALSE;
  68
  69         if (BlockEnvToEnvironW() < 0)
  70         {
  71             FreeEnvironment(_environ);
  72             return FALSE;
  73         }
  74
  75         _acmdln = _strdup(GetCommandLineA());
  76         _wcmdln = _wcsdup(GetCommandLineW());
  77
  78         /* Initialization of the WINE code */
  79         msvcrt_init_mt_locks();
  80         //msvcrt_init_math();
  81         msvcrt_init_io();
  82         //msvcrt_init_console();
  83         //msvcrt_init_args();
  84         //msvcrt_init_signals();
  85         TRACE("Attach done\n");
  86         break;
  87
  88     case DLL_THREAD_ATTACH:
  89         //msvcrt_get_thread_data creates data when first called
  90         break;
  91
  92     case DLL_THREAD_DETACH:
  93         msvcrt_free_tls_mem();
  94         break;
  95
  96     case DLL_PROCESS_DETACH:
  97         TRACE("Detach\n");
  98         /* Deinit of the WINE code */
  99         msvcrt_free_io();
 100         msvcrt_free_mt_locks();
 101         //msvcrt_free_console();
 102         //msvcrt_free_args();
 103         //msvcrt_free_signals();
 104         msvcrt_free_tls_mem();
 105         if (!msvcrt_free_tls())
 106           return FALSE;
 107         if(global_locale)
 108           MSVCRT__free_locale(global_locale);
 109
 110     if (__winitenv && __winitenv != _wenviron)
 111             FreeEnvironment((char**)__winitenv);
 112         if (_wenviron)
 113             FreeEnvironment((char**)_wenviron);
 114
 115     if (__initenv && __initenv != _environ)
 116             FreeEnvironment(__initenv);
 117         if (_environ)
 118             FreeEnvironment(_environ);
 119
 120         TRACE("Detach done\n");
 121         break;
 122     }
 123
 124     return TRUE;
 125 }
 126
 127 /* EOF */