[hpoussin] 21831: Add common cleanup block in SetupDiBuildClassInfoListExW, SetupDiClassGuidsFromNameExW, SetupDiClassNameFromGuidExW, SetupDiGetClassDescriptionExW, SETUP_CreateDevListFromEnumerator, SETUP_CreateDevList, SetupDiGetClassDevsExW, CreateClassKey, SetupDiOpenDeviceInfoW
7 May
2006
7 May
'06
9:08 p.m.
Author: hpoussin
Date: Sun May 7 18:52:32 2006
New Revision: 21831
URL: http://svn.reactos.ru/svn/reactos?rev=21831&view=rev
Log:
Add common cleanup block in SetupDiBuildClassInfoListExW, SetupDiClassGuidsFromNameExW,
SetupDiClassNameFromGuidExW, SetupDiGetClassDescriptionExW,
SETUP_CreateDevListFromEnumerator, SETUP_CreateDevList, SetupDiGetClassDevsExW,
CreateClassKey, SetupDiOpenDeviceInfoW
Modified:
trunk/reactos/dll/win32/setupapi/devinst.c
Modified: trunk/reactos/dll/win32/setupapi/devinst.c
URL:
http://svn.reactos.ru/svn/reactos/trunk/reactos/dll/win32/setupapi/devinst.…
==============================================================================
--- trunk/reactos/dll/win32/setupapi/devinst.c (original)
+++ trunk/reactos/dll/win32/setupapi/devinst.c Sun May 7 18:52:32 2006
@@ -197,18 +197,19 @@
PVOID Reserved)
{
WCHAR szKeyName[MAX_GUID_STRING_LEN + 1];
- HKEY hClassesKey;
- HKEY hClassKey;
+ HKEY hClassesKey = INVALID_HANDLE_VALUE;
+ HKEY hClassKey = NULL;
DWORD dwLength;
DWORD dwIndex;
LONG lError;
DWORD dwGuidListIndex = 0;
+ BOOL ret = FALSE;
TRACE("0x%lx %p %lu %p %s %p\n", Flags, ClassGuidList,
ClassGuidListSize, RequiredSize, debugstr_w(MachineName), Reserved);
if (RequiredSize != NULL)
- *RequiredSize = 0;
+ *RequiredSize = 0;
hClassesKey = SetupDiOpenClassRegKeyExW(NULL,
KEY_ENUMERATE_SUB_KEYS,
@@ -216,108 +217,102 @@
MachineName,
Reserved);
if (hClassesKey == INVALID_HANDLE_VALUE)
- {
- return FALSE;
- }
+ goto cleanup;
for (dwIndex = 0; ; dwIndex++)
{
- dwLength = MAX_GUID_STRING_LEN + 1;
- lError = RegEnumKeyExW(hClassesKey,
- dwIndex,
- szKeyName,
- &dwLength,
- NULL,
- NULL,
- NULL,
- NULL);
- TRACE("RegEnumKeyExW() returns %ld\n", lError);
- if (lError == ERROR_SUCCESS || lError == ERROR_MORE_DATA)
- {
- TRACE("Key name: %s\n", debugstr_w(szKeyName));
-
- if (RegOpenKeyExW(hClassesKey,
- szKeyName,
- 0,
- KEY_QUERY_VALUE,
- &hClassKey))
- {
- RegCloseKey(hClassesKey);
- return FALSE;
- }
-
- if (!RegQueryValueExW(hClassKey,
- REGSTR_VAL_NOUSECLASS,
- NULL,
- NULL,
- NULL,
- NULL))
- {
- TRACE("'NoUseClass' value found!\n");
- RegCloseKey(hClassKey);
- continue;
- }
-
- if ((Flags & DIBCI_NOINSTALLCLASS) &&
- (!RegQueryValueExW(hClassKey,
- REGSTR_VAL_NOINSTALLCLASS,
- NULL,
- NULL,
- NULL,
- NULL)))
- {
- TRACE("'NoInstallClass' value found!\n");
- RegCloseKey(hClassKey);
- continue;
- }
-
- if ((Flags & DIBCI_NODISPLAYCLASS) &&
- (!RegQueryValueExW(hClassKey,
- REGSTR_VAL_NODISPLAYCLASS,
- NULL,
- NULL,
- NULL,
- NULL)))
- {
- TRACE("'NoDisplayClass' value found!\n");
- RegCloseKey(hClassKey);
- continue;
- }
-
- RegCloseKey(hClassKey);
-
- TRACE("Guid: %s\n", debugstr_w(szKeyName));
- if (dwGuidListIndex < ClassGuidListSize)
- {
- if (szKeyName[0] == L'{' && szKeyName[37] == L'}')
- {
- szKeyName[37] = 0;
- }
- TRACE("Guid: %s\n", debugstr_w(&szKeyName[1]));
-
- UuidFromStringW(&szKeyName[1],
- &ClassGuidList[dwGuidListIndex]);
- }
-
- dwGuidListIndex++;
- }
-
- if (lError != ERROR_SUCCESS)
- break;
- }
-
- RegCloseKey(hClassesKey);
+ dwLength = MAX_GUID_STRING_LEN + 1;
+ lError = RegEnumKeyExW(hClassesKey,
+ dwIndex,
+ szKeyName,
+ &dwLength,
+ NULL,
+ NULL,
+ NULL,
+ NULL);
+ TRACE("RegEnumKeyExW() returns %ld\n", lError);
+ if (lError == ERROR_SUCCESS || lError == ERROR_MORE_DATA)
+ {
+ TRACE("Key name: %s\n", debugstr_w(szKeyName));
+
+ if (hClassKey != NULL)
+ RegCloseKey(hClassKey);
+ if (RegOpenKeyExW(hClassesKey,
+ szKeyName,
+ 0,
+ KEY_QUERY_VALUE,
+ &hClassKey) != ERROR_SUCCESS)
+ {
+ goto cleanup;
+ }
+
+ if (RegQueryValueExW(hClassKey,
+ REGSTR_VAL_NOUSECLASS,
+ NULL,
+ NULL,
+ NULL,
+ NULL) == ERROR_SUCCESS)
+ {
+ TRACE("'NoUseClass' value found!\n");
+ continue;
+ }
+
+ if ((Flags & DIBCI_NOINSTALLCLASS) &&
+ (!RegQueryValueExW(hClassKey,
+ REGSTR_VAL_NOINSTALLCLASS,
+ NULL,
+ NULL,
+ NULL,
+ NULL)))
+ {
+ TRACE("'NoInstallClass' value found!\n");
+ continue;
+ }
+
+ if ((Flags & DIBCI_NODISPLAYCLASS) &&
+ (!RegQueryValueExW(hClassKey,
+ REGSTR_VAL_NODISPLAYCLASS,
+ NULL,
+ NULL,
+ NULL,
+ NULL)))
+ {
+ TRACE("'NoDisplayClass' value found!\n");
+ continue;
+ }
+
+ TRACE("Guid: %s\n", debugstr_w(szKeyName));
+ if (dwGuidListIndex < ClassGuidListSize)
+ {
+ if (szKeyName[0] == L'{' && szKeyName[37] ==
L'}')
+ szKeyName[37] = 0;
+ TRACE("Guid: %s\n", debugstr_w(&szKeyName[1]));
+
+ UuidFromStringW(&szKeyName[1],
+ &ClassGuidList[dwGuidListIndex]);
+ }
+
+ dwGuidListIndex++;
+ }
+
+ if (lError != ERROR_SUCCESS)
+ break;
+ }
if (RequiredSize != NULL)
- *RequiredSize = dwGuidListIndex;
+ *RequiredSize = dwGuidListIndex;
if (ClassGuidListSize < dwGuidListIndex)
- {
- SetLastError(ERROR_INSUFFICIENT_BUFFER);
- return FALSE;
- }
-
- return TRUE;
+ SetLastError(ERROR_INSUFFICIENT_BUFFER);
+ else
+ ret = TRUE;
+
+cleanup:
+ if (hClassesKey != INVALID_HANDLE_VALUE)
+ RegCloseKey(hClassesKey);
+ if (hClassKey != NULL)
+ RegCloseKey(hClassKey);
+ return ret;
}
/***********************************************************************
@@ -404,18 +399,19 @@
{
WCHAR szKeyName[MAX_GUID_STRING_LEN + 1];
WCHAR szClassName[256];
- HKEY hClassesKey;
- HKEY hClassKey;
+ HKEY hClassesKey = INVALID_HANDLE_VALUE;
+ HKEY hClassKey = NULL;
DWORD dwLength;
DWORD dwIndex;
LONG lError;
DWORD dwGuidListIndex = 0;
+ BOOL ret = FALSE;
TRACE("%s %p %lu %p %s %p\n", debugstr_w(ClassName), ClassGuidList,
ClassGuidListSize, RequiredSize, debugstr_w(MachineName), Reserved);
if (RequiredSize != NULL)
- *RequiredSize = 0;
+ *RequiredSize = 0;
hClassesKey = SetupDiOpenClassRegKeyExW(NULL,
KEY_ENUMERATE_SUB_KEYS,
@@ -423,86 +419,83 @@
MachineName,
Reserved);
if (hClassesKey == INVALID_HANDLE_VALUE)
- {
- return FALSE;
- }
+ goto cleanup;
for (dwIndex = 0; ; dwIndex++)
{
- dwLength = MAX_GUID_STRING_LEN + 1;
- lError = RegEnumKeyExW(hClassesKey,
- dwIndex,
- szKeyName,
- &dwLength,
- NULL,
- NULL,
- NULL,
- NULL);
- TRACE("RegEnumKeyExW() returns %ld\n", lError);
- if (lError == ERROR_SUCCESS || lError == ERROR_MORE_DATA)
- {
- TRACE("Key name: %s\n", debugstr_w(szKeyName));
-
- if (RegOpenKeyExW(hClassesKey,
- szKeyName,
- 0,
- KEY_QUERY_VALUE,
- &hClassKey))
- {
- RegCloseKey(hClassesKey);
- return FALSE;
- }
-
- dwLength = 256 * sizeof(WCHAR);
- if (!RegQueryValueExW(hClassKey,
- Class,
- NULL,
- NULL,
- (LPBYTE)szClassName,
- &dwLength))
- {
- TRACE("Class name: %s\n", debugstr_w(szClassName));
-
- if (strcmpiW(szClassName, ClassName) == 0)
- {
- TRACE("Found matching class name\n");
-
- TRACE("Guid: %s\n", debugstr_w(szKeyName));
- if (dwGuidListIndex < ClassGuidListSize)
- {
- if (szKeyName[0] == L'{' && szKeyName[37] == L'}')
- {
- szKeyName[37] = 0;
- }
- TRACE("Guid: %s\n", debugstr_w(&szKeyName[1]));
-
- UuidFromStringW(&szKeyName[1],
- &ClassGuidList[dwGuidListIndex]);
- }
-
- dwGuidListIndex++;
- }
- }
-
- RegCloseKey(hClassKey);
- }
-
- if (lError != ERROR_SUCCESS)
- break;
- }
-
- RegCloseKey(hClassesKey);
+ dwLength = MAX_GUID_STRING_LEN + 1;
+ lError = RegEnumKeyExW(hClassesKey,
+ dwIndex,
+ szKeyName,
+ &dwLength,
+ NULL,
+ NULL,
+ NULL,
+ NULL);
+ TRACE("RegEnumKeyExW() returns %ld\n", lError);
+ if (lError == ERROR_SUCCESS || lError == ERROR_MORE_DATA)
+ {
+ TRACE("Key name: %s\n", debugstr_w(szKeyName));
+
+ if (hClassKey != NULL)
+ RegCloseKey(hClassKey);
+ if (RegOpenKeyExW(hClassesKey,
+ szKeyName,
+ 0,
+ KEY_QUERY_VALUE,
+ &hClassKey) != ERROR_SUCCESS)
+ {
+ goto cleanup;
+ }
+
+ dwLength = 256 * sizeof(WCHAR);
+ if (RegQueryValueExW(hClassKey,
+ Class,
+ NULL,
+ NULL,
+ (LPBYTE)szClassName,
+ &dwLength) == ERROR_SUCCESS)
+ {
+ TRACE("Class name: %s\n", debugstr_w(szClassName));
+
+ if (strcmpiW(szClassName, ClassName) == 0)
+ {
+ TRACE("Found matching class name\n");
+
+ TRACE("Guid: %s\n", debugstr_w(szKeyName));
+ if (dwGuidListIndex < ClassGuidListSize)
+ {
+ if (szKeyName[0] == L'{' && szKeyName[37] ==
L'}')
+ szKeyName[37] = 0;
+ TRACE("Guid: %s\n", debugstr_w(&szKeyName[1]));
+
+ UuidFromStringW(&szKeyName[1],
+ &ClassGuidList[dwGuidListIndex]);
+ }
+
+ dwGuidListIndex++;
+ }
+ }
+ }
+
+ if (lError != ERROR_SUCCESS)
+ break;
+ }
if (RequiredSize != NULL)
- *RequiredSize = dwGuidListIndex;
+ *RequiredSize = dwGuidListIndex;
if (ClassGuidListSize < dwGuidListIndex)
- {
- SetLastError(ERROR_INSUFFICIENT_BUFFER);
- return FALSE;
- }
-
- return TRUE;
+ SetLastError(ERROR_INSUFFICIENT_BUFFER);
+ else
+ ret = TRUE;
+
+cleanup:
+ if (hClassesKey != INVALID_HANDLE_VALUE)
+ RegCloseKey(hClassesKey);
+ if (hClassKey != NULL)
+ RegCloseKey(hClassKey);
+ return ret;
}
/***********************************************************************
@@ -551,7 +544,7 @@
if (MachineName)
MachineNameW = MultiByteToUnicode(MachineName, CP_ACP);
ret = SetupDiClassNameFromGuidExW(ClassGuid, ClassNameW, MAX_CLASS_NAME_LEN,
- NULL, MachineNameW, Reserved);
+ NULL, MachineNameW, Reserved);
if (ret)
{
int len = WideCharToMultiByte(CP_ACP, 0, ClassNameW, -1, ClassName,
@@ -578,6 +571,7 @@
HKEY hKey;
DWORD dwLength;
LONG rc;
+ BOOL ret = FALSE;
TRACE("%s %p %lu %p %s %p\n", debugstr_guid(ClassGuid), ClassName,
ClassNameSize, RequiredSize, debugstr_w(MachineName), Reserved);
@@ -588,46 +582,45 @@
MachineName,
Reserved);
if (hKey == INVALID_HANDLE_VALUE)
- {
- return FALSE;
- }
+ goto cleanup;
if (RequiredSize != NULL)
{
- dwLength = 0;
- rc = RegQueryValueExW(hKey,
- Class,
- NULL,
- NULL,
- NULL,
- &dwLength);
- if (rc != ERROR_SUCCESS)
- {
- SetLastError(rc);
- RegCloseKey(hKey);
- return FALSE;
- }
-
- *RequiredSize = dwLength / sizeof(WCHAR);
+ dwLength = 0;
+ rc = RegQueryValueExW(hKey,
+ Class,
+ NULL,
+ NULL,
+ NULL,
+ &dwLength);
+ if (rc != ERROR_SUCCESS)
+ {
+ SetLastError(rc);
+ goto cleanup;
+ }
+
+ *RequiredSize = dwLength / sizeof(WCHAR);
}
dwLength = ClassNameSize * sizeof(WCHAR);
rc = RegQueryValueExW(hKey,
- Class,
- NULL,
- NULL,
- (LPBYTE)ClassName,
- &dwLength);
+ Class,
+ NULL,
+ NULL,
+ (LPBYTE)ClassName,
+ &dwLength);
if (rc != ERROR_SUCCESS)
{
- SetLastError(rc);
- RegCloseKey(hKey);
- return FALSE;
- }
-
- RegCloseKey(hKey);
-
- return TRUE;
+ SetLastError(rc);
+ goto cleanup;
+ }
+
+ ret = TRUE;
+
+cleanup:
+ if (hKey != INVALID_HANDLE_VALUE)
+ RegCloseKey(hKey);
+ return ret;
}
/***********************************************************************
@@ -1233,8 +1226,9 @@
PCWSTR MachineName,
PVOID Reserved)
{
- HKEY hKey;
+ HKEY hKey = INVALID_HANDLE_VALUE;
DWORD dwLength;
+ BOOL ret = FALSE;
TRACE("%s %p %lu %p %s %p\n", debugstr_guid(ClassGuid), ClassDescription,
ClassDescriptionSize, RequiredSize, debugstr_w(MachineName), Reserved);
@@ -1246,42 +1240,44 @@
Reserved);
if (hKey == INVALID_HANDLE_VALUE)
{
- WARN("SetupDiOpenClassRegKeyExW() failed (Error %lu)\n", GetLastError());
- return FALSE;
+ WARN("SetupDiOpenClassRegKeyExW() failed (Error %lu)\n",
GetLastError());
+ goto cleanup;
}
if (RequiredSize != NULL)
{
- dwLength = 0;
- if (RegQueryValueExW(hKey,
- NULL,
- NULL,
- NULL,
- NULL,
- &dwLength))
- {
- RegCloseKey(hKey);
- return FALSE;
- }
-
- *RequiredSize = dwLength / sizeof(WCHAR);
+ dwLength = 0;
+ if (RegQueryValueExW(hKey,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ &dwLength) != ERROR_SUCCESS)
+ {
+ goto cleanup;
+ }
+
+ *RequiredSize = dwLength / sizeof(WCHAR);
}
dwLength = ClassDescriptionSize * sizeof(WCHAR);
if (RegQueryValueExW(hKey,
- NULL,
- NULL,
- NULL,
- (LPBYTE)ClassDescription,
- &dwLength))
- {
- RegCloseKey(hKey);
- return FALSE;
- }
-
- RegCloseKey(hKey);
-
- return TRUE;
+ NULL,
+ NULL,
+ NULL,
+ (LPBYTE)ClassDescription,
+ &dwLength) != ERROR_SUCCESS)
+ {
+ goto cleanup;
+ }
+
+ ret = TRUE;
+
+cleanup:
+ if (hKey != INVALID_HANDLE_VALUE)
+ RegCloseKey(hKey);
+
+ return ret;
}
/***********************************************************************
@@ -1432,7 +1428,7 @@
LPCWSTR Enumerator,
HKEY hEnumeratorKey) /* handle to Enumerator registry key */
{
- HKEY hDeviceIdKey, hInstanceIdKey;
+ HKEY hDeviceIdKey = NULL, hInstanceIdKey;
WCHAR KeyBuffer[MAX_PATH];
WCHAR InstancePath[MAX_PATH];
LPWSTR pEndOfInstancePath; /* Pointer into InstancePath buffer */
@@ -1449,13 +1445,15 @@
if (rc == ERROR_NO_MORE_ITEMS)
break;
if (rc != ERROR_SUCCESS)
- return rc;
+ goto cleanup;
i++;
/* Open device id sub key */
+ if (hDeviceIdKey != NULL)
+ RegCloseKey(hDeviceIdKey);
rc = RegOpenKeyExW(hEnumeratorKey, KeyBuffer, 0, KEY_ENUMERATE_SUB_KEYS,
&hDeviceIdKey);
if (rc != ERROR_SUCCESS)
- return rc;
+ goto cleanup;
strcpyW(InstancePath, Enumerator);
strcatW(InstancePath, L"\\");
strcatW(InstancePath, KeyBuffer);
@@ -1473,19 +1471,13 @@
if (rc == ERROR_NO_MORE_ITEMS)
break;
if (rc != ERROR_SUCCESS)
- {
- RegCloseKey(hDeviceIdKey);
- return rc;
- }
+ goto cleanup;
j++;
/* Open instance id sub key */
rc = RegOpenKeyExW(hDeviceIdKey, KeyBuffer, 0, KEY_QUERY_VALUE,
&hInstanceIdKey);
if (rc != ERROR_SUCCESS)
- {
- RegCloseKey(hDeviceIdKey);
- return rc;
- }
+ goto cleanup;
*pEndOfInstancePath = '\0';
strcatW(InstancePath, KeyBuffer);
@@ -1503,13 +1495,12 @@
}
else if (rc != ERROR_SUCCESS)
{
- RegCloseKey(hDeviceIdKey);
- return rc;
+ goto cleanup;
}
else if (dwRegType != REG_SZ)
{
- RegCloseKey(hDeviceIdKey);
- return ERROR_GEN_FAILURE;
+ rc = ERROR_GEN_FAILURE;
+ goto cleanup;
}
else
{
@@ -1528,16 +1519,20 @@
/* Add the entry to the list */
if (!CreateDeviceInfoElement(list, InstancePath, &KeyGuid,
&deviceInfo))
{
- RegCloseKey(hDeviceIdKey);
- return GetLastError();
+ rc = GetLastError();
+ goto cleanup;
}
TRACE("Adding '%s' to device info set %p\n",
debugstr_w(InstancePath), list);
InsertTailList(&list->ListHead, &deviceInfo->ListEntry);
}
+ }
+
+ rc = ERROR_SUCCESS;
+
+cleanup:
+ if (hDeviceIdKey != NULL)
RegCloseKey(hDeviceIdKey);
- }
-
- return ERROR_SUCCESS;
+ return rc;
}
static LONG SETUP_CreateDevList(
@@ -1546,7 +1541,9 @@
LPGUID class OPTIONAL,
PCWSTR Enumerator OPTIONAL)
{
- HKEY HKLM, hEnumKey, hEnumeratorKey;
+ HKEY HKLM = HKEY_LOCAL_MACHINE;
+ HKEY hEnumKey = NULL;
+ HKEY hEnumeratorKey = NULL;
WCHAR KeyBuffer[MAX_PATH];
DWORD i;
DWORD dwLength;
@@ -1555,24 +1552,22 @@
if (class && IsEqualIID(class, &GUID_NULL))
class = NULL;
- /* Open Enum key */
+ /* Open Enum key (if applicable) */
if (MachineName != NULL)
{
rc = RegConnectRegistryW(MachineName, HKEY_LOCAL_MACHINE, &HKLM);
if (rc != ERROR_SUCCESS)
- return rc;
- }
- else
- HKLM = HKEY_LOCAL_MACHINE;
-
- rc = RegOpenKeyExW(HKLM,
+ goto cleanup;
+ }
+
+ rc = RegOpenKeyExW(
+ HKLM,
REGSTR_PATH_SYSTEMENUM,
0,
KEY_ENUMERATE_SUB_KEYS,
&hEnumKey);
- if (MachineName != NULL) RegCloseKey(HKLM);
if (rc != ERROR_SUCCESS)
- return rc;
+ goto cleanup;
/* If enumerator is provided, call directly SETUP_CreateDevListFromEnumerator.
* Else, enumerate all enumerators and call SETUP_CreateDevListFromEnumerator
@@ -1586,12 +1581,9 @@
0,
KEY_ENUMERATE_SUB_KEYS,
&hEnumeratorKey);
- RegCloseKey(hEnumKey);
if (rc != ERROR_SUCCESS)
- return rc;
+ goto cleanup;
rc = SETUP_CreateDevListFromEnumerator(list, class, Enumerator, hEnumeratorKey);
- RegCloseKey(hEnumeratorKey);
- return rc;
}
else
{
@@ -1603,33 +1595,33 @@
rc = RegEnumKeyExW(hEnumKey, i, KeyBuffer, &dwLength, NULL, NULL, NULL,
NULL);
if (rc == ERROR_NO_MORE_ITEMS)
break;
- if (rc != ERROR_SUCCESS)
- {
- RegCloseKey(hEnumKey);
- return rc;
- }
+ else if (rc != ERROR_SUCCESS)
+ goto cleanup;
i++;
/* Open sub key */
+ if (hEnumeratorKey != NULL)
+ RegCloseKey(hEnumeratorKey);
rc = RegOpenKeyExW(hEnumKey, KeyBuffer, 0, KEY_ENUMERATE_SUB_KEYS,
&hEnumeratorKey);
if (rc != ERROR_SUCCESS)
- {
- RegCloseKey(hEnumKey);
- return rc;
- }
+ goto cleanup;
/* Call SETUP_CreateDevListFromEnumerator */
rc = SETUP_CreateDevListFromEnumerator(list, class, KeyBuffer,
hEnumeratorKey);
- RegCloseKey(hEnumeratorKey);
if (rc != ERROR_SUCCESS)
- {
- RegCloseKey(hEnumKey);
- return rc;
- }
- }
+ goto cleanup;
+ }
+ rc = ERROR_SUCCESS;
+ }
+
+cleanup:
+ if (HKLM != HKEY_LOCAL_MACHINE)
+ RegCloseKey(HKLM);
+ if (hEnumKey != NULL)
RegCloseKey(hEnumKey);
- return ERROR_SUCCESS;
- }
+ if (hEnumeratorKey != NULL)
+ RegCloseKey(hEnumeratorKey);
+ return rc;
}
static BOOL DestroyDeviceInterface(struct DeviceInterface* deviceInterface)
@@ -1870,21 +1862,22 @@
* SetupDiGetClassDevsExW (SETUPAPI.@)
*/
HDEVINFO WINAPI SetupDiGetClassDevsExW(
- CONST GUID *class,
- LPCWSTR enumstr,
- HWND parent,
+ CONST GUID *class OPTIONAL,
+ LPCWSTR enumstr OPTIONAL,
+ HWND parent OPTIONAL,
DWORD flags,
- HDEVINFO deviceset,
- LPCWSTR machine,
+ HDEVINFO deviceset OPTIONAL,
+ LPCWSTR machine OPTIONAL,
PVOID reserved)
{
HDEVINFO hDeviceInfo = INVALID_HANDLE_VALUE;
struct DeviceInfoSet *list;
LPGUID pClassGuid;
LONG rc;
+ HDEVINFO ret = INVALID_HANDLE_VALUE;
TRACE("%s %s %p 0x%08lx %p %s %p\n", debugstr_guid(class),
debugstr_w(enumstr),
- parent, flags, deviceset, debugstr_w(machine), reserved);
+ parent, flags, deviceset, debugstr_w(machine), reserved);
/* Create the deviceset if not set */
if (deviceset)
@@ -1893,7 +1886,7 @@
if (list->magic != SETUP_DEV_INFO_SET_MAGIC)
{
SetLastError(ERROR_INVALID_HANDLE);
- return INVALID_HANDLE_VALUE;
+ goto cleanup;
}
hDeviceInfo = deviceset;
}
@@ -1903,7 +1896,7 @@
flags & DIGCF_DEVICEINTERFACE ? NULL : class,
NULL, machine, NULL);
if (hDeviceInfo == INVALID_HANDLE_VALUE)
- return INVALID_HANDLE_VALUE;
+ goto cleanup;
list = (struct DeviceInfoSet *)hDeviceInfo;
}
@@ -1921,31 +1914,25 @@
if (rc != ERROR_SUCCESS)
{
SetLastError(rc);
- if (!deviceset)
- SetupDiDestroyDeviceInfoList(hDeviceInfo);
- return INVALID_HANDLE_VALUE;
- }
- return hDeviceInfo;
+ goto cleanup;
+ }
+ ret = hDeviceInfo;
}
else if (flags & DIGCF_DEVICEINTERFACE)
{
if (class == NULL)
{
SetLastError(ERROR_INVALID_PARAMETER);
- if (!deviceset)
- SetupDiDestroyDeviceInfoList(hDeviceInfo);
- return INVALID_HANDLE_VALUE;
+ goto cleanup;
}
rc = SETUP_CreateInterfaceList(list, machine, (LPGUID)class, enumstr, flags &
DIGCF_PRESENT);
if (rc != ERROR_SUCCESS)
{
SetLastError(rc);
- if (!deviceset)
- SetupDiDestroyDeviceInfoList(hDeviceInfo);
- return INVALID_HANDLE_VALUE;
- }
- return hDeviceInfo;
+ goto cleanup;
+ }
+ ret = hDeviceInfo;
}
else
{
@@ -1953,12 +1940,15 @@
if (rc != ERROR_SUCCESS)
{
SetLastError(rc);
- if (!deviceset)
- SetupDiDestroyDeviceInfoList(hDeviceInfo);
- return INVALID_HANDLE_VALUE;
- }
- return hDeviceInfo;
- }
+ goto cleanup;
+ }
+ ret = hDeviceInfo;
+ }
+
+cleanup:
+ if (!deviceset && hDeviceInfo != INVALID_HANDLE_VALUE && hDeviceInfo
!= ret)
+ SetupDiDestroyDeviceInfoList(hDeviceInfo);
+ return ret;
}
/***********************************************************************
@@ -3061,63 +3051,68 @@
WCHAR FullBuffer[MAX_PATH];
WCHAR Buffer[MAX_PATH];
DWORD RequiredSize;
- HKEY hClassKey;
-
+ HKEY hClassKey = NULL;
+ HKEY ret = INVALID_HANDLE_VALUE;
+
+ FullBuffer[0] = '\0';
Buffer[0] = '\\';
if (!SetupGetLineTextW(NULL,
- hInf,
- Version,
- ClassGUID,
- &Buffer[1],
- MAX_PATH - 1,
- &RequiredSize))
- {
- return INVALID_HANDLE_VALUE;
+ hInf,
+ Version,
+ ClassGUID,
+ &Buffer[1],
+ MAX_PATH - 1,
+ &RequiredSize))
+ {
+ goto cleanup;
}
lstrcpyW(FullBuffer, REGSTR_PATH_CLASS_NT);
lstrcatW(FullBuffer, Buffer);
-
if (!SetupGetLineTextW(NULL,
- hInf,
- Version,
- Class,
- Buffer,
- MAX_PATH,
- &RequiredSize))
+ hInf,
+ Version,
+ Class,
+ Buffer,
+ MAX_PATH,
+ &RequiredSize))
{
RegDeleteKeyW(HKEY_LOCAL_MACHINE, FullBuffer);
- return INVALID_HANDLE_VALUE;
+ goto cleanup;
}
if (ERROR_SUCCESS != RegCreateKeyExW(HKEY_LOCAL_MACHINE,
- FullBuffer,
- 0,
- NULL,
- REG_OPTION_NON_VOLATILE,
- KEY_SET_VALUE,
- NULL,
- &hClassKey,
- NULL))
- {
+ FullBuffer,
+ 0,
+ NULL,
+ REG_OPTION_NON_VOLATILE,
+ KEY_SET_VALUE,
+ NULL,
+ &hClassKey,
+ NULL))
+ {
+ goto cleanup;
+ }
+
+ if (ERROR_SUCCESS != RegSetValueExW(hClassKey,
+ Class,
+ 0,
+ REG_SZ,
+ (LPBYTE)Buffer,
+ RequiredSize * sizeof(WCHAR)))
+ {
+ goto cleanup;
+ }
+
+ ret = hClassKey;
+
+cleanup:
+ if (hClassKey != NULL && hClassKey != ret)
+ RegCloseKey(hClassKey);
+ if (ret == INVALID_HANDLE_VALUE && FullBuffer[0] != '\0')
RegDeleteKeyW(HKEY_LOCAL_MACHINE, FullBuffer);
- return INVALID_HANDLE_VALUE;
- }
-
- if (ERROR_SUCCESS != RegSetValueExW(hClassKey,
- Class,
- 0,
- REG_SZ,
- (LPBYTE)Buffer,
- RequiredSize * sizeof(WCHAR)))
- {
- RegCloseKey(hClassKey);
- RegDeleteKeyW(HKEY_LOCAL_MACHINE, FullBuffer);
- return INVALID_HANDLE_VALUE;
- }
-
- return hClassKey;
+ return ret;
}
@@ -3421,7 +3416,7 @@
cleanup:
if (hClassKey != NULL && hClassKey != ret)
- RegCloseKey(hClassesKey);
+ RegCloseKey(hClassKey);
if (hClassesKey != NULL && hClassesKey != ret)
RegCloseKey(hClassesKey);
if (lpGuidString)
@@ -4823,7 +4818,7 @@
if (Disposition == REG_CREATED_NEW_KEY)
break;
RegCloseKey(hKey);
- hKey = INVALID_HANDLE_VALUE;
+ hKey = NULL;
Index++;
}
if (Index > 9999)
@@ -6117,7 +6112,7 @@
OUT PSP_DEVINFO_DATA DeviceInfoData OPTIONAL)
{
struct DeviceInfoSet *list;
- HKEY hEnumKey, hKey;
+ HKEY hEnumKey, hKey = NULL;
DWORD rc;
BOOL ret = FALSE;
@@ -6175,7 +6170,7 @@
if (rc != ERROR_SUCCESS)
{
SetLastError(rc);
- return FALSE;
+ goto cleanup;
}
rc = RegOpenKeyExW(
hEnumKey,
@@ -6189,20 +6184,16 @@
if (rc == ERROR_FILE_NOT_FOUND)
rc = ERROR_NO_SUCH_DEVINST;
SetLastError(rc);
- return FALSE;
+ goto cleanup;
}
/* FIXME: try to get ClassGUID from registry, instead of
* sending GUID_NULL to CreateDeviceInfoElement
*/
if (!CreateDeviceInfoElement(list, DeviceInstanceId, &GUID_NULL,
&deviceInfo))
- {
- RegCloseKey(hKey);
- return FALSE;
- }
+ goto cleanup;
InsertTailList(&list->ListHead, &deviceInfo->ListEntry);
- RegCloseKey(hKey);
ret = TRUE;
}
@@ -6214,6 +6205,9 @@
}
}
+cleanup:
+ if (hKey != NULL)
+ RegCloseKey(hKey);
return ret;
}
6808
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6808
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hpoussin＠svn.reactos.org