programs/wineconsole/wineconsole.c

   1 /*
   2  * an application for displaying Win32 console
   3  *
   4  * Copyright 2001, 2002 Eric Pouech
   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdio.h>
  22 #include <stdarg.h>
  23 #include <stdlib.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "wincon.h"
  28
  29 #include "wineconsole_res.h"
  30
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(console);
  34
  35 int WINAPI wWinMain( HINSTANCE inst, HINSTANCE prev, WCHAR *cmdline, INT show )
  36 {
  37     STARTUPINFOW startup = { sizeof(startup) };
  38     PROCESS_INFORMATION info;
  39     WCHAR *cmd = cmdline;
  40     DWORD exit_code;
  41
  42     static WCHAR default_cmd[] = L"cmd";
  43
  44     if (!*cmd) cmd = default_cmd;
  45
  46     if (!CreateProcessW( NULL, cmd, NULL, NULL, FALSE, CREATE_NEW_CONSOLE, NULL, NULL, &startup, &info ))
  47     {
  48         HANDLE hStdInput, hStdOutput;
  49         WCHAR format[256], *buf;
  50         INPUT_RECORD ir;
  51         DWORD len;
  52
  53         exit_code = GetLastError();
  54         WARN( "CreateProcess '%ls' failed: %lu\n", cmd, exit_code );
  55
  56         /* create a new console to display error messages in it */
  57         FreeConsole(); /* make sure we're not connected to any console */
  58         if (!AllocConsole())
  59         {
  60             ERR( "failed to allocate console: %lu\n", GetLastError() );
  61             return 1;
  62         }
  63
  64         hStdInput  = CreateFileW( L"CONIN$",  GENERIC_READ | GENERIC_WRITE, 0, NULL,
  65                                   OPEN_EXISTING, 0, 0 );
  66         hStdOutput = CreateFileW( L"CONOUT$", GENERIC_READ | GENERIC_WRITE, 0, NULL,
  67                                   OPEN_EXISTING, 0, 0 );
  68
  69         LoadStringW( GetModuleHandleW( NULL ), IDS_CMD_LAUNCH_FAILED, format, ARRAY_SIZE(format) );
  70         len = wcslen( format ) + wcslen( cmd );
  71         if ((buf = malloc( len * sizeof(WCHAR) )))
  72         {
  73             swprintf( buf, len, format, cmd );
  74             WriteConsoleW( hStdOutput, buf, wcslen(buf), &len, NULL);
  75             while (ReadConsoleInputW( hStdInput, &ir, 1, &len ) && ir.EventType == MOUSE_EVENT);
  76         }
  77         return exit_code;
  78     }
  79
  80     CloseHandle( info.hThread );
  81     WaitForSingleObject( info.hProcess, INFINITE );
  82     return GetExitCodeProcess( info.hProcess, &exit_code ) ? exit_code : GetLastError();
  83 }