dll/win32/msvcrt/dllmain.c

   1 /* $Id$
   2  *
   3  * dllmain.c
   4  *
   5  * ReactOS MSVCRT.DLL Compatibility Library
   6  *
   7  *  THIS SOFTWARE IS NOT COPYRIGHTED
   8  *
   9  *  This source code is offered for use in the public domain. You may
  10  *  use, modify or distribute it freely.
  11  *
  12  *  This code is distributed in the hope that it will be useful but
  13  *  WITHOUT ANY WARRANTY. ALL WARRENTIES, EXPRESS OR IMPLIED ARE HEREBY
  14  *  DISCLAMED. This includes but is not limited to warrenties of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  16  *
  17  * $Revision: 1.24 $
  18  * $Author$
  19  * $Date$
  20  *
  21  */
  22
  23 #include <precomp.h>
  24 #include <internal/wine/msvcrt.h>
  25 #include <locale.h>
  26 #include <mbctype.h>
  27
  28 #include "wine/debug.h"
  29 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
  30
  31 /* EXTERNAL PROTOTYPES ********************************************************/
  32
  33 extern int BlockEnvToEnvironA(void);
  34 extern int BlockEnvToEnvironW(void);
  35 extern void FreeEnvironment(char **environment);
  36 extern void _atexit_cleanup(void);
  37
  38 extern unsigned int _osplatform;
  39 extern unsigned int _osver;
  40 extern unsigned int _winminor;
  41 extern unsigned int _winmajor;
  42 extern unsigned int _winver;
  43
  44 extern char* _acmdln;        /* pointer to ascii command line */
  45 extern wchar_t* _wcmdln;     /* pointer to wide character command line */
  46 #undef _environ
  47 extern char** _environ;      /* pointer to environment block */
  48 extern char** __initenv;     /* pointer to initial environment block */
  49 extern wchar_t** _wenviron;  /* pointer to environment block */
  50 extern wchar_t** __winitenv; /* pointer to initial environment block */
  51
  52
  53 /* LIBRARY GLOBAL VARIABLES ***************************************************/
  54
  55 HANDLE hHeap = NULL;        /* handle for heap */
  56
  57
  58 /* LIBRARY ENTRY POINT ********************************************************/
  59
  60 BOOL
  61 WINAPI
  62 DllMain(PVOID hinstDll, ULONG dwReason, PVOID reserved)
  63 {
  64     OSVERSIONINFOW osvi;
  65     switch (dwReason)
  66     {
  67     case DLL_PROCESS_ATTACH://1
  68         /* initialize version info */
  69         //DPRINT1("Process Attach %d\n", nAttachCount);
  70         //DPRINT1("Process Attach\n");
  71         osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
  72         GetVersionExW( &osvi );
  73         _winver     = (osvi.dwMajorVersion << 8) | osvi.dwMinorVersion;
  74         _winmajor   = osvi.dwMajorVersion;
  75         _winminor   = osvi.dwMinorVersion;
  76         _osplatform = osvi.dwPlatformId;
  77         _osver      = osvi.dwBuildNumber;
  78         hHeap = HeapCreate(0, 100000, 0);
  79         if (hHeap == NULL)
  80             return FALSE;
  81
  82         /* create tls stuff */
  83         if (!CreateThreadData())
  84             return FALSE;
  85
  86         if (BlockEnvToEnvironA() < 0)
  87             return FALSE;
  88
  89         if (BlockEnvToEnvironW() < 0)
  90         {
  91             FreeEnvironment(_environ);
  92             return FALSE;
  93         }
  94
  95         _acmdln = _strdup(GetCommandLineA());
  96         _wcmdln = _wcsdup(GetCommandLineW());
  97
  98         /* FIXME: more initializations... */
  99
 100         /* Initialization of the WINE code */
 101         msvcrt_init_mt_locks();
 102         msvcrt_init_io();
 103         setlocale(0, "C");
 104         //_setmbcp(_MB_CP_LOCALE);
 105
 106         TRACE("Attach done\n");
 107         break;
 108
 109     case DLL_THREAD_ATTACH:
 110         break;
 111
 112     case DLL_THREAD_DETACH:
 113         FreeThreadData(NULL);
 114         break;
 115
 116     case DLL_PROCESS_DETACH:
 117         //DPRINT1("Detach %d\n", nAttachCount);
 118         //DPRINT("Detach\n");
 119         /* FIXME: more cleanup... */
 120         /* Deinit of the WINE code */
 121         msvcrt_free_io();
 122         msvcrt_free_mt_locks();
 123
 124         _atexit_cleanup();
 125
 126
 127         /* destroy tls stuff */
 128         DestroyThreadData();
 129
 130         if (__winitenv && __winitenv != _wenviron)
 131             FreeEnvironment((char**)__winitenv);
 132         if (_wenviron)
 133             FreeEnvironment((char**)_wenviron);
 134
 135         if (__initenv && __initenv != _environ)
 136             FreeEnvironment(__initenv);
 137         if (_environ)
 138             FreeEnvironment(_environ);
 139
 140         /* destroy heap */
 141         HeapDestroy(hHeap);
 142
 143         TRACE("Detach done\n");
 144         break;
 145     }
 146
 147     return TRUE;
 148 }
 149
 150 /* EOF */