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uninstaller: List 32-bit applications on 64-bit platforms.

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This commit is contained in:
Hans Leidekker 2011-02-22 13:23:30 +01:00 committed by Alexandre Julliard
parent 013e92c9cd
commit 7b2604e5f9
1 changed files with 22 additions and 17 deletions
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39
programs/uninstaller/main.c
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@ -174,25 +174,15 @@ static int cmp_by_name(const void *a, const void *b)
*/
static int FetchFromRootKey(HKEY root)
{
HKEY hkeyUninst, hkeyApp;
HKEY hkeyApp;
int i;
DWORD sizeOfSubKeyName, displen, uninstlen;
WCHAR subKeyName[256];
WCHAR key_app[1024];
WCHAR *p;
if (RegOpenKeyExW(root, PathUninstallW, 0, KEY_READ, &hkeyUninst) != ERROR_SUCCESS)
return 0;
lstrcpyW(key_app, PathUninstallW);
lstrcatW(key_app, BackSlashW);
p = key_app+lstrlenW(PathUninstallW)+1;
sizeOfSubKeyName = 255;
for (i=0; RegEnumKeyExW( hkeyUninst, i, subKeyName, &sizeOfSubKeyName, NULL, NULL, NULL, NULL ) != ERROR_NO_MORE_ITEMS; ++i)
for (i=0; RegEnumKeyExW( root, i, subKeyName, &sizeOfSubKeyName, NULL, NULL, NULL, NULL ) != ERROR_NO_MORE_ITEMS; ++i)
{
lstrcpyW(p, subKeyName);
RegOpenKeyExW(root, key_app, 0, KEY_READ, &hkeyApp);
RegOpenKeyExW(root, subKeyName, 0, KEY_READ, &hkeyApp);
if (!RegQueryValueExW(hkeyApp, DisplayNameW, NULL, NULL, NULL, &displen))
{
DWORD value, type;
@ -232,22 +222,37 @@ static int FetchFromRootKey(HKEY root)
RegCloseKey(hkeyApp);
sizeOfSubKeyName = 255;
}
RegCloseKey(hkeyUninst);
return 1;
}
static int FetchUninstallInformation(void)
{
int rc;
static const BOOL is_64bit = sizeof(void *) > sizeof(int);
int rc = 0;
HKEY root;
numentries = 0;
oldsel = -1;
if (!entries)
entries = HeapAlloc(GetProcessHeap(), 0, sizeof(uninst_entry));
rc = FetchFromRootKey(HKEY_LOCAL_MACHINE);
rc |= FetchFromRootKey(HKEY_CURRENT_USER);
if (!RegOpenKeyExW(HKEY_LOCAL_MACHINE, PathUninstallW, 0, KEY_READ, &root))
{
rc |= FetchFromRootKey(root);
RegCloseKey(root);
}
if (is_64bit &&
!RegOpenKeyExW(HKEY_LOCAL_MACHINE, PathUninstallW, 0, KEY_READ|KEY_WOW64_32KEY, &root))
{
rc |= FetchFromRootKey(root);
RegCloseKey(root);
}
if (!RegOpenKeyExW(HKEY_CURRENT_USER, PathUninstallW, 0, KEY_READ, &root))
{
rc |= FetchFromRootKey(root);
RegCloseKey(root);
}
qsort(entries, numentries, sizeof(uninst_entry), cmp_by_name);
return rc;