dlls/msvcrt/crt_wmain.c

   1 /*
   2  * wmainCRTStartup default entry point
   3  *
   4  * Copyright 2019 Jacek Caban for CodeWeavers
   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 #if 0
  22 #pragma makedep implib
  23 #endif
  24
  25 #if _MSVCR_VER >= 140
  26 #define _UCRT
  27 #endif
  28
  29 #include <stdarg.h>
  30 #include <stdlib.h>
  31 #include <process.h>
  32
  33 #include "windef.h"
  34 #include "winbase.h"
  35 #include "winternl.h"
  36
  37 int __cdecl wmain(int argc, WCHAR **argv, WCHAR **env);
  38
  39 static const IMAGE_NT_HEADERS *get_nt_header( void )
  40 {
  41     IMAGE_DOS_HEADER *dos = (IMAGE_DOS_HEADER *)NtCurrentTeb()->Peb->ImageBaseAddress;
  42     return (const IMAGE_NT_HEADERS *)((char *)dos + dos->e_lfanew);
  43 }
  44
  45 int __cdecl wmainCRTStartup(void)
  46 {
  47     int argc, ret;
  48     WCHAR **argv, **env;
  49
  50 #ifdef _UCRT
  51     _configure_wide_argv(_crt_argv_unexpanded_arguments);
  52     _initialize_wide_environment();
  53     argc = *__p___argc();
  54     argv = *__p___wargv();
  55     env = _get_initial_wide_environment();
  56 #else
  57     int new_mode =  0;
  58     __wgetmainargs(&argc, &argv, &env, 0, &new_mode);
  59 #endif
  60     _set_app_type(get_nt_header()->OptionalHeader.Subsystem == IMAGE_SUBSYSTEM_WINDOWS_GUI ? _crt_gui_app : _crt_console_app);
  61
  62     ret = wmain(argc, argv, env);
  63
  64     exit(ret);
  65     return ret;
  66 }