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Implement CM_Enumerate_Classes and CM_Enumerate_Classes_Ex

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svn path=/trunk/; revision=16389
This commit is contained in:
Hervé Poussineau 2005-07-03 10:35:56 +00:00
parent 151fe7f976
commit 3eb22d7480
1 changed files with 78 additions and 0 deletions
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78
reactos/lib/setupapi/cfgmgr.c
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@ -116,6 +116,84 @@ CONFIGRET WINAPI CM_Disconnect_Machine(HMACHINE hMachine)
}
/***********************************************************************
* CM_Enumerate_Classes [SETUPAPI.@]
*/
CONFIGRET WINAPI CM_Enumerate_Classes(
ULONG ulClassIndex, LPGUID ClassGuid, ULONG ulFlags)
{
TRACE("%lx %p %lx\n", ulClassIndex, ClassGuid, ulFlags);
return CM_Enumerate_Classes_Ex(ulClassIndex, ClassGuid, ulFlags, NULL);
}
static CONFIGRET GetCmCodeFromErrorCode(DWORD ErrorCode)
{
switch (ErrorCode)
{
case ERROR_SUCCESS: return CR_SUCCESS;
case ERROR_ACCESS_DENIED: return CR_ACCESS_DENIED;
case ERROR_INSUFFICIENT_BUFFER: return CR_BUFFER_SMALL;
case ERROR_INVALID_DATA: return CR_INVALID_DATA;
case ERROR_INVALID_PARAMETER: return CR_INVALID_DATA;
case ERROR_NO_MORE_ITEMS: return CR_NO_SUCH_VALUE;
case ERROR_NO_SYSTEM_RESOURCES: return CR_OUT_OF_MEMORY;
default: return CR_FAILURE;
}
}
/***********************************************************************
* CM_Enumerate_Classes_Ex [SETUPAPI.@]
*/
CONFIGRET WINAPI CM_Enumerate_Classes_Ex(
ULONG ulClassIndex, LPGUID ClassGuid, ULONG ulFlags, HMACHINE hMachine)
{
HKEY hRelativeKey, hKey;
DWORD rc;
WCHAR Buffer[39];
TRACE("%lx %p %lx %p\n", ulClassIndex, ClassGuid, ulFlags, hMachine);
if (hMachine != NULL)
{
FIXME("hMachine argument ignored\n");
hRelativeKey = HKEY_LOCAL_MACHINE; /* FIXME: use here a field in hMachine */
}
else
hRelativeKey = HKEY_LOCAL_MACHINE;
rc = RegOpenKeyExW(
hRelativeKey,
L"System\\CurrentControlSet\\Control\\Class",
0, /* options */
KEY_ENUMERATE_SUB_KEYS,
&hKey);
if (rc != ERROR_SUCCESS)
return GetCmCodeFromErrorCode(rc);
rc = RegEnumKeyW(
hKey,
ulClassIndex,
Buffer,
sizeof(Buffer) / sizeof(WCHAR));
RegCloseKey(hKey);
if (rc == ERROR_SUCCESS)
{
/* Remove the {} */
Buffer[37] = UNICODE_NULL;
/* Convert the buffer to a GUID */
if (UuidFromStringW(&Buffer[1], ClassGuid) != RPC_S_OK)
return CR_FAILURE;
}
return GetCmCodeFromErrorCode(rc);
}
/***********************************************************************
* CM_Get_Child [SETUPAPI.@]
*/