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284 lines
8.1 KiB
C
284 lines
8.1 KiB
C
/*
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* PURPOSE: Load a DLL and run an entry point with the specified parameters
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*
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* Copyright 2002 Alberto Massari
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* Copyright 2001-2003 Aric Stewart for Codeweavers
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* Copyright 2003 Mike McCormack for Codeweavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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/*
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*
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* rundll32 dllname,entrypoint [arguments]
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*
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* Documentation for this utility found on KB Q164787
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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/* Exclude rarely-used stuff from Windows headers */
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <wine/debug.h>
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WINE_DEFAULT_DEBUG_CHANNEL(rundll32);
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/*
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* Control_RunDLL has these parameters
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*/
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typedef void (WINAPI *EntryPointW)(HWND hWnd, HINSTANCE hInst, LPWSTR lpszCmdLine, int nCmdShow);
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typedef void (WINAPI *EntryPointA)(HWND hWnd, HINSTANCE hInst, LPSTR lpszCmdLine, int nCmdShow);
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/*
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* Control_RunDLL needs to have a window. So lets make us a very
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* simple window class.
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*/
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static TCHAR *szTitle = "rundll32";
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static TCHAR *szWindowClass = "class_rundll32";
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static ATOM MyRegisterClass(HINSTANCE hInstance)
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{
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WNDCLASSEX wcex;
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wcex.cbSize = sizeof(WNDCLASSEX);
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wcex.style = CS_HREDRAW | CS_VREDRAW;
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wcex.lpfnWndProc = (WNDPROC)DefWindowProc;
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wcex.cbClsExtra = 0;
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wcex.cbWndExtra = 0;
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wcex.hInstance = hInstance;
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wcex.hIcon = NULL;
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wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
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wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
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wcex.lpszMenuName = NULL;
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wcex.lpszClassName = szWindowClass;
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wcex.hIconSm = NULL;
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return RegisterClassEx(&wcex);
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}
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static LPWSTR GetNextArg(LPCWSTR *cmdline)
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{
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LPCWSTR s;
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LPWSTR arg,d;
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int in_quotes,bcount,len=0;
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/* count the chars */
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bcount=0;
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in_quotes=0;
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s=*cmdline;
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while (1) {
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if (*s==0 || ((*s=='\t' || *s==' ') && !in_quotes)) {
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/* end of this command line argument */
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break;
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} else if (*s=='\\') {
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/* '\', count them */
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bcount++;
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} else if ((*s=='"') && ((bcount & 1)==0)) {
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/* unescaped '"' */
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in_quotes=!in_quotes;
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bcount=0;
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} else {
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/* a regular character */
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bcount=0;
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}
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s++;
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len++;
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}
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arg=HeapAlloc(GetProcessHeap(), 0, (len+1)*sizeof(WCHAR));
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if (!arg)
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return NULL;
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bcount=0;
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in_quotes=0;
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d=arg;
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s=*cmdline;
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while (*s) {
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if ((*s=='\t' || *s==' ') && !in_quotes) {
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/* end of this command line argument */
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break;
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} else if (*s=='\\') {
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/* '\\' */
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*d++=*s++;
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bcount++;
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} else if (*s=='"') {
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/* '"' */
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if ((bcount & 1)==0) {
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/* Preceeded by an even number of '\', this is half that
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* number of '\', plus a quote which we erase.
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*/
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d-=bcount/2;
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in_quotes=!in_quotes;
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s++;
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} else {
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/* Preceeded by an odd number of '\', this is half that
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* number of '\' followed by a '"'
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*/
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d=d-bcount/2-1;
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*d++='"';
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s++;
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}
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bcount=0;
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} else {
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/* a regular character */
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*d++=*s++;
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bcount=0;
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}
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}
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*d=0;
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*cmdline=s;
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/* skip the remaining spaces */
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while (**cmdline=='\t' || **cmdline==' ') {
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(*cmdline)++;
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}
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return arg;
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}
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int main(int argc, char* argv[])
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{
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HWND hWnd;
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LPCWSTR szCmdLine;
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LPWSTR szDllName,szEntryPoint;
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char* szProcName;
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HMODULE hDll;
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EntryPointW pEntryPointW;
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EntryPointA pEntryPointA;
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int len;
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hWnd=NULL;
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hDll=NULL;
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szDllName=NULL;
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szProcName=NULL;
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/* Initialize the rundll32 class */
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MyRegisterClass( NULL );
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hWnd = CreateWindow(szWindowClass, szTitle,
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WS_OVERLAPPEDWINDOW|WS_VISIBLE,
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CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, NULL, NULL);
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/* Skip the rundll32.exe path */
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szCmdLine=GetCommandLineW();
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WINE_TRACE("CmdLine=%s\n",wine_dbgstr_w(szCmdLine));
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szDllName=GetNextArg(&szCmdLine);
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if (!szDllName || *szDllName==0)
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goto CLEANUP;
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HeapFree(GetProcessHeap(),0,szDllName);
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/* Get the dll name and API EntryPoint */
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szDllName=GetNextArg(&szCmdLine);
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if (!szDllName || *szDllName==0)
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goto CLEANUP;
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WINE_TRACE("DllName=%s\n",wine_dbgstr_w(szDllName));
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szEntryPoint=szDllName;
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while (*szEntryPoint!=0 && *szEntryPoint!=0x002c /* ',' */)
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szEntryPoint++;
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if (*szEntryPoint==0)
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goto CLEANUP;
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*szEntryPoint++=0;
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WINE_TRACE("EntryPoint=%s\n",wine_dbgstr_w(szEntryPoint));
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/* Load the library */
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hDll=LoadLibraryW(szDllName);
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if (!hDll)
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{
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/* Windows has a MessageBox here... */
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WINE_WARN("Unable to load %s\n",wine_dbgstr_w(szDllName));
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goto CLEANUP;
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}
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/* Try the Unicode entrypoint. Note that GetProcAddress only takes ascii
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* names.
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*/
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len=WideCharToMultiByte(CP_ACP,0,szEntryPoint,-1,NULL,0,NULL,NULL);
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szProcName=HeapAlloc(GetProcessHeap(),0,len);
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if (!szProcName)
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goto CLEANUP;
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WideCharToMultiByte(CP_ACP,0,szEntryPoint,-1,szProcName,len,NULL,NULL);
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szProcName[len-1]=0x0057;
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szProcName[len]=0;
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pEntryPointW=(void*)GetProcAddress(hDll,szProcName);
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if (pEntryPointW)
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{
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WCHAR* szArguments=NULL;
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/* Make a copy of the arguments so they are writable */
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len=lstrlenW(szCmdLine);
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if (len>0)
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{
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szArguments=HeapAlloc(GetProcessHeap(),0,(len+1)*sizeof(WCHAR));
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if (!szArguments)
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goto CLEANUP;
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lstrcpyW(szArguments,szCmdLine);
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}
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WINE_TRACE("Calling %s, arguments=%s\n",
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szProcName,wine_dbgstr_w(szArguments));
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pEntryPointW(hWnd,hDll,szArguments,SW_SHOWDEFAULT);
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if (szArguments)
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HeapFree(GetProcessHeap(),0,szArguments);
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}
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else
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{
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/* Then try to append 'A' and finally nothing */
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szProcName[len-1]=0x0041;
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pEntryPointA=(void*)GetProcAddress(hDll,szProcName);
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if (!pEntryPointA)
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{
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szProcName[len-1]=0;
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pEntryPointA=(void*)GetProcAddress(hDll,szProcName);
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}
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if (pEntryPointA)
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{
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char* szArguments=NULL;
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/* Convert the command line to ascii */
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WINE_TRACE("Calling %s, arguments=%s\n",
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szProcName,wine_dbgstr_a(szArguments));
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len=WideCharToMultiByte(CP_ACP,0,szCmdLine,-1,NULL,0,NULL,NULL);
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if (len>1)
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{
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szArguments=HeapAlloc(GetProcessHeap(),0,len);
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if (!szArguments)
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goto CLEANUP;
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WideCharToMultiByte(CP_ACP,0,szCmdLine,-1,szArguments,len,NULL,NULL);
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}
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pEntryPointA(hWnd,hDll,szArguments,SW_SHOWDEFAULT);
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if (szArguments)
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HeapFree(GetProcessHeap(),0,szArguments);
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}
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else
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{
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/* Windows has a MessageBox here... */
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WINE_WARN("Unable to find the entry point: %s\n",szProcName);
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}
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}
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CLEANUP:
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if (hWnd)
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DestroyWindow(hWnd);
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if (hDll)
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FreeLibrary(hDll);
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if (szDllName)
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HeapFree(GetProcessHeap(),0,szDllName);
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if (szProcName)
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HeapFree(GetProcessHeap(),0,szProcName);
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return 0; /* rundll32 always returns 0! */
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}
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