283 lines
9.0 KiB
C
283 lines
9.0 KiB
C
/*
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* Uninstaller
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*
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* Copyright 2000 Andreas Mohr
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* Copyright 2004 Hannu Valtonen
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* Copyright 2005 Jonathan Ernst
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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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 <windows.h>
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#include <shlwapi.h>
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#include "resource.h"
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#include "regstr.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(uninstaller);
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extern void WINAPI Control_RunDLL(HWND hWnd, HINSTANCE hInst, LPCSTR cmd, DWORD nCmdShow);
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typedef struct {
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HKEY root;
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WCHAR *key;
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WCHAR *descr;
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WCHAR *command;
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int active;
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} uninst_entry;
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static uninst_entry *entries = NULL;
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static unsigned int numentries = 0;
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static int list_need_update = 1;
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static int oldsel = -1;
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static WCHAR *sFilter;
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static WCHAR sAppName[MAX_STRING_LEN];
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static WCHAR sUninstallFailed[MAX_STRING_LEN];
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static int FetchUninstallInformation(void);
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static void UninstallProgram(void);
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static int cmp_by_name(const void *a, const void *b);
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static const WCHAR BackSlashW[] = { '\\', 0 };
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static const WCHAR DisplayNameW[] = {'D','i','s','p','l','a','y','N','a','m','e',0};
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static const WCHAR PathUninstallW[] = {
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'S','o','f','t','w','a','r','e','\\',
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'M','i','c','r','o','s','o','f','t','\\',
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'W','i','n','d','o','w','s','\\',
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'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
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'U','n','i','n','s','t','a','l','l',0 };
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static const WCHAR UninstallCommandlineW[] = {'U','n','i','n','s','t','a','l','l','S','t','r','i','n','g',0};
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/**
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* Used to output program list when used with --list
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*/
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static void ListUninstallPrograms(void)
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{
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unsigned int i;
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int lenDescr, lenKey;
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char *descr;
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char *key;
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FetchUninstallInformation();
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for (i=0; i < numentries; i++)
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{
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lenDescr = WideCharToMultiByte(CP_UNIXCP, 0, entries[i].descr, -1, NULL, 0, NULL, NULL);
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lenKey = WideCharToMultiByte(CP_UNIXCP, 0, entries[i].key, -1, NULL, 0, NULL, NULL);
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descr = HeapAlloc(GetProcessHeap(), 0, lenDescr);
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key = HeapAlloc(GetProcessHeap(), 0, lenKey);
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WideCharToMultiByte(CP_UNIXCP, 0, entries[i].descr, -1, descr, lenDescr, NULL, NULL);
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WideCharToMultiByte(CP_UNIXCP, 0, entries[i].key, -1, key, lenKey, NULL, NULL);
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printf("%s|||%s\n", key, descr);
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HeapFree(GetProcessHeap(), 0, descr);
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HeapFree(GetProcessHeap(), 0, key);
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}
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}
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static void RemoveSpecificProgram(WCHAR *nameW)
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{
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unsigned int i;
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int lenName;
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char *name;
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FetchUninstallInformation();
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for (i=0; i < numentries; i++)
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{
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if (lstrcmpW(entries[i].key, nameW) == 0)
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{
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entries[i].active++;
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break;
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}
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}
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if (i < numentries)
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UninstallProgram();
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else
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{
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lenName = WideCharToMultiByte(CP_UNIXCP, 0, nameW, -1, NULL, 0, NULL, NULL);
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name = HeapAlloc(GetProcessHeap(), 0, lenName);
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WideCharToMultiByte(CP_UNIXCP, 0, nameW, -1, name, lenName, NULL, NULL);
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fprintf(stderr, "Error: could not match application [%s]\n", name);
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HeapFree(GetProcessHeap(), 0, name);
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}
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}
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int wmain(int argc, WCHAR *argv[])
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{
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LPCWSTR token = NULL;
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HINSTANCE hInst = GetModuleHandleW(0);
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static const WCHAR listW[] = { '-','-','l','i','s','t',0 };
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static const WCHAR removeW[] = { '-','-','r','e','m','o','v','e',0 };
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int i = 1;
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while( i<argc )
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{
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token = argv[i++];
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/* Handle requests just to list the applications */
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if( !lstrcmpW( token, listW ) )
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{
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ListUninstallPrograms();
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return 0;
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}
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else if( !lstrcmpW( token, removeW ) )
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{
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if( i >= argc )
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{
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WINE_ERR( "The remove option requires a parameter.\n");
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return 1;
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}
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RemoveSpecificProgram( argv[i++] );
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return 0;
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}
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else
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{
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WINE_ERR( "unknown option %s\n",wine_dbgstr_w(token));
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return 1;
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}
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}
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/* Load MessageBox's strings */
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LoadStringW(hInst, IDS_APPNAME, sAppName, sizeof(sAppName)/sizeof(WCHAR));
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LoadStringW(hInst, IDS_UNINSTALLFAILED, sUninstallFailed, sizeof(sUninstallFailed)/sizeof(WCHAR));
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/* Start the GUI control panel */
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Control_RunDLL(GetDesktopWindow(), 0, "appwiz.cpl", SW_SHOW);
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return 1;
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}
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/**
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* Used to sort entries by name.
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*/
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static int cmp_by_name(const void *a, const void *b)
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{
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return lstrcmpiW(((const uninst_entry *)a)->descr, ((const uninst_entry *)b)->descr);
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}
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/**
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* Fetch information from the uninstall key.
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*/
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static int FetchFromRootKey(HKEY root)
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{
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HKEY hkeyUninst, hkeyApp;
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int i;
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DWORD sizeOfSubKeyName, displen, uninstlen;
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WCHAR subKeyName[256];
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WCHAR key_app[1024];
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WCHAR *p;
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if (RegOpenKeyExW(root, PathUninstallW, 0, KEY_READ, &hkeyUninst) != ERROR_SUCCESS)
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return 0;
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lstrcpyW(key_app, PathUninstallW);
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lstrcatW(key_app, BackSlashW);
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p = key_app+lstrlenW(PathUninstallW)+1;
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sizeOfSubKeyName = 255;
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for (i=0; RegEnumKeyExW( hkeyUninst, i, subKeyName, &sizeOfSubKeyName, NULL, NULL, NULL, NULL ) != ERROR_NO_MORE_ITEMS; ++i)
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{
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lstrcpyW(p, subKeyName);
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RegOpenKeyExW(root, key_app, 0, KEY_READ, &hkeyApp);
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if ((RegQueryValueExW(hkeyApp, DisplayNameW, 0, 0, NULL, &displen) == ERROR_SUCCESS)
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&& (RegQueryValueExW(hkeyApp, UninstallCommandlineW, 0, 0, NULL, &uninstlen) == ERROR_SUCCESS))
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{
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numentries++;
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entries = HeapReAlloc(GetProcessHeap(), 0, entries, numentries*sizeof(uninst_entry));
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entries[numentries-1].root = root;
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entries[numentries-1].key = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(subKeyName)+1)*sizeof(WCHAR));
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lstrcpyW(entries[numentries-1].key, subKeyName);
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entries[numentries-1].descr = HeapAlloc(GetProcessHeap(), 0, displen);
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RegQueryValueExW(hkeyApp, DisplayNameW, 0, 0, (LPBYTE)entries[numentries-1].descr, &displen);
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entries[numentries-1].command = HeapAlloc(GetProcessHeap(), 0, uninstlen);
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entries[numentries-1].active = 0;
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RegQueryValueExW(hkeyApp, UninstallCommandlineW, 0, 0, (LPBYTE)entries[numentries-1].command, &uninstlen);
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WINE_TRACE("allocated entry #%d: %s (%s), %s\n",
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numentries, wine_dbgstr_w(entries[numentries-1].key), wine_dbgstr_w(entries[numentries-1].descr), wine_dbgstr_w(entries[numentries-1].command));
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if(sFilter != NULL && StrStrIW(entries[numentries-1].descr,sFilter)==NULL)
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numentries--;
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}
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RegCloseKey(hkeyApp);
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sizeOfSubKeyName = 255;
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}
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RegCloseKey(hkeyUninst);
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return 1;
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}
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static int FetchUninstallInformation(void)
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{
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int rc;
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numentries = 0;
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oldsel = -1;
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if (!entries)
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entries = HeapAlloc(GetProcessHeap(), 0, sizeof(uninst_entry));
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rc = FetchFromRootKey(HKEY_LOCAL_MACHINE);
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rc |= FetchFromRootKey(HKEY_CURRENT_USER);
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qsort(entries, numentries, sizeof(uninst_entry), cmp_by_name);
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return rc;
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}
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static void UninstallProgram(void)
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{
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unsigned int i;
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WCHAR errormsg[1024];
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BOOL res;
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STARTUPINFOW si;
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PROCESS_INFORMATION info;
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DWORD exit_code;
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HKEY hkey;
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for (i=0; i < numentries; i++)
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{
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if (!(entries[i].active)) /* don't uninstall this one */
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continue;
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WINE_TRACE("uninstalling %s\n", wine_dbgstr_w(entries[i].descr));
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memset(&si, 0, sizeof(STARTUPINFOW));
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si.cb = sizeof(STARTUPINFOW);
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si.wShowWindow = SW_NORMAL;
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res = CreateProcessW(NULL, entries[i].command, NULL, NULL, FALSE, 0, NULL, NULL, &si, &info);
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if (res)
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{ /* wait for the process to exit */
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WaitForSingleObject(info.hProcess, INFINITE);
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res = GetExitCodeProcess(info.hProcess, &exit_code);
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WINE_TRACE("%d: %08x\n", res, exit_code);
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}
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else
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{
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wsprintfW(errormsg, sUninstallFailed, entries[i].command);
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if(MessageBoxW(0, errormsg, sAppName, MB_YESNO | MB_ICONQUESTION)==IDYES)
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{
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/* delete the application's uninstall entry */
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RegOpenKeyExW(entries[i].root, PathUninstallW, 0, KEY_READ, &hkey);
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RegDeleteKeyW(hkey, entries[i].key);
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RegCloseKey(hkey);
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}
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}
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}
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WINE_TRACE("finished uninstall phase.\n");
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list_need_update = 1;
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}
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