miscemu/main.c

   1 /*
   2  * Emulator initialisation code
   3  *
   4  * Copyright 2000 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "winbase.h"
  22 #include "wine/winbase16.h"
  23 #include "wingdi.h"
  24 #include "winuser.h"
  25
  26 #include "miscemu.h"
  27 #include "callback.h"
  28 #include "options.h"
  29 #include "wine/debug.h"
  30
  31 static char main_exe_name[MAX_PATH];
  32 static HANDLE main_exe_file;
  33
  34 static BOOL (WINAPI *pGetMessageA)(LPMSG,HWND,UINT,UINT);
  35 static BOOL (WINAPI *pTranslateMessage)(const MSG*);
  36 static LONG (WINAPI *pDispatchMessageA)(const MSG*);
  37
  38 extern void PROCESS_InitWine( int argc, char *argv[], LPSTR win16_exe_name,
  39                               HANDLE *win16_exe_file ) WINE_NORETURN;
  40 extern HINSTANCE16 NE_StartMain( LPCSTR name, HANDLE file );
  41
  42 /***********************************************************************
  43  *           Main loop of initial task
  44  */
  45 int WINAPI wine_initial_task( HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, INT show )
  46 {
  47     MSG msg;
  48     HINSTANCE16 instance;
  49     HMODULE user32;
  50
  51     /* some programs assume mmsystem is always present */
  52     LoadLibrary16( "mmsystem.dll" );
  53
  54     if ((instance = NE_StartMain( main_exe_name, main_exe_file )) < 32)
  55     {
  56         if (instance == 11)  /* try DOS format */
  57         {
  58             if (DPMI_LoadDosSystem())
  59                 Dosvm.LoadDosExe( main_exe_name, main_exe_file );
  60             /* if we get back here it failed */
  61             instance = GetLastError();
  62         }
  63
  64         MESSAGE( "%s: can't exec '%s': ", argv0, GetCommandLineA() );
  65         switch (instance)
  66         {
  67         case  2: MESSAGE("file not found\n" ); break;
  68         case 11: MESSAGE("invalid exe file\n" ); break;
  69         default: MESSAGE("error=%d\n", instance ); break;
  70         }
  71         ExitProcess(instance);
  72     }
  73     CloseHandle( main_exe_file );  /* avoid file sharing problems */
  74
  75     /* Start message loop for desktop window */
  76
  77     if (!(user32 = LoadLibraryA( "user32.dll" )))
  78     {
  79         MESSAGE( "Cannot load user32.dll\n" );
  80         ExitProcess( GetLastError() );
  81     }
  82     pGetMessageA      = (void *)GetProcAddress( user32, "GetMessageA" );
  83     pTranslateMessage = (void *)GetProcAddress( user32, "TranslateMessage" );
  84     pDispatchMessageA = (void *)GetProcAddress( user32, "DispatchMessageA" );
  85
  86     while ( GetNumTasks16() > 1  && pGetMessageA( &msg, 0, 0, 0 ) )
  87     {
  88         pTranslateMessage( &msg );
  89         pDispatchMessageA( &msg );
  90     }
  91
  92     ExitProcess( 0 );
  93 }
  94
  95
  96 /**********************************************************************
  97  *           main
  98  */
  99 int main( int argc, char *argv[] )
 100 {
 101     PROCESS_InitWine( argc, argv, main_exe_name, &main_exe_file );
 102     return 1;  /* not reached */
 103 }