windows-nt/Source/XPSP1/NT/base/cluster/service/api/enum.c
2020-09-26 16:20:57 +08:00

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/*++
Copyright (c) 1996 Microsoft Corporation
Module Name:
enum.c
Abstract:
Server side support for Cluster APIs dealing with enumeration
Author:
John Vert (jvert) 9-Feb-1996
Revision History:
--*/
#include "apip.h"
#define ENUM_SIZE(Entries) ((Entries-1) * sizeof(ENUM_ENTRY) + sizeof(ENUM_LIST))
//
// Define structure passed to enumeration routine.
//
typedef struct _REFOBJECT {
HDMKEY RootKey;
LPCWSTR FriendlyName;
DWORD NameLength;
LPWSTR NameBuffer;
OBJECT_TYPE Type;
} REFOBJECT, *PREFOBJECT;
BOOL
ApipRefObjectWorker(
IN PREFOBJECT Target,
IN PVOID *pObject,
IN PVOID Object,
IN LPCWSTR ObjectId
);
BOOL
ApipEnumResourceWorker(
IN PENUM_LIST *pEnum,
IN PVOID Context2,
IN PFM_RESOURCE Node,
IN LPCWSTR Name
);
BOOL
ApipEnumGroupResourceWorker(
IN PENUM_LIST *pEnum,
IN PVOID Context2,
IN PFM_RESOURCE Node,
IN LPCWSTR Name
);
BOOL
ApipEnumNodeWorker(
IN PENUM_LIST *pEnum,
IN DWORD *pAllocated,
IN PNM_NODE Node,
IN LPCWSTR Name
);
BOOL
ApipEnumResTypeWorker(
IN PENUM_LIST *pEnum,
IN DWORD *pAllocated,
IN PFM_RESTYPE ResType,
IN LPCWSTR Name
);
BOOL
ApipEnumGroupWorker(
IN PENUM_LIST *pEnum,
IN DWORD *pAllocated,
IN PFM_GROUP Group,
IN LPCWSTR Name
);
BOOL
ApipEnumNetworkWorker(
IN PENUM_LIST *pEnum,
IN DWORD *pAllocated,
IN PVOID Object,
IN LPCWSTR Name
);
DWORD
ApipEnumInternalNetworks(
IN PENUM_LIST *pEnum,
IN DWORD *pAllocated
);
BOOL
ApipEnumNetworkInterfaceWorker(
IN PENUM_LIST *pEnum,
IN DWORD *pAllocated,
IN PVOID Object,
IN LPCWSTR Name
);
VOID
ApipFreeEnum(
IN PENUM_LIST Enum
);
error_status_t
s_ApiCreateEnum(
IN handle_t IDL_handle,
IN DWORD dwType,
OUT PENUM_LIST *ReturnEnum
)
/*++
Routine Description:
Enumerates all the specified objects and returns the
list of objects to the caller. The client-side is
responsible for freeing the allocated memory.
Arguments:
IDL_handle - RPC binding handle, not used
dwType - Supplies the type of objects to be enumerated
ReturnEnum - Returns the requested objects.
Return Value:
ERROR_SUCCESS if successful
Win32 error code otherwise.
--*/
{
DWORD Status;
DWORD Allocated = 0;
PENUM_LIST Enum = NULL;
//initialize to NULL for failure cases
*ReturnEnum = NULL;
if (dwType != CLUSTER_ENUM_NODE) {
API_CHECK_INIT();
}
if (dwType & CLUSTER_ENUM_INTERNAL_NETWORK) {
if ((dwType & ~CLUSTER_ENUM_INTERNAL_NETWORK) != 0) {
return(ERROR_INVALID_PARAMETER);
}
}
else {
if (dwType & ~CLUSTER_ENUM_ALL) {
return(ERROR_INVALID_PARAMETER);
}
}
Allocated = INITIAL_ENUM_LIST_ALLOCATION;
Enum = MIDL_user_allocate(ENUM_SIZE(Allocated));
if (Enum == NULL) {
Status = ERROR_NOT_ENOUGH_MEMORY;
goto ErrorExit;
}
Enum->EntryCount = 0;
//
// Enumerate all nodes
//
if (dwType & CLUSTER_ENUM_NODE) {
OmEnumObjects(ObjectTypeNode,
ApipEnumNodeWorker,
&Enum,
&Allocated);
}
//
// Enumerate all resource types
//
if (dwType & CLUSTER_ENUM_RESTYPE) {
OmEnumObjects(ObjectTypeResType,
ApipEnumResTypeWorker,
&Enum,
&Allocated);
}
//
// Enumerate all resources
//
if (dwType & CLUSTER_ENUM_RESOURCE) {
OmEnumObjects(ObjectTypeResource,
ApipEnumResourceWorker,
&Enum,
&Allocated);
}
//
// Enumerate all groups
//
if (dwType & CLUSTER_ENUM_GROUP) {
OmEnumObjects(ObjectTypeGroup,
ApipEnumGroupWorker,
&Enum,
&Allocated);
}
//
// Enumerate all networks
//
if (dwType & CLUSTER_ENUM_NETWORK) {
OmEnumObjects(ObjectTypeNetwork,
ApipEnumNetworkWorker,
&Enum,
&Allocated);
}
//
// Enumerate internal networks in highest to lowest priority order.
//
if (dwType & CLUSTER_ENUM_INTERNAL_NETWORK) {
Status = ApipEnumInternalNetworks(&Enum, &Allocated);
if (Status != ERROR_SUCCESS) {
goto ErrorExit;
}
}
//
// Enumerate all network interfaces
//
if (dwType & CLUSTER_ENUM_NETINTERFACE) {
OmEnumObjects(ObjectTypeNetInterface,
ApipEnumNetworkInterfaceWorker,
&Enum,
&Allocated);
}
*ReturnEnum = Enum;
return(ERROR_SUCCESS);
ErrorExit:
if (Enum != NULL) {
ApipFreeEnum(Enum);
}
return(Status);
}
VOID
ApipFreeEnum(
IN PENUM_LIST Enum
)
/*++
Routine Description:
Frees an ENUM_LIST and all of its strings.
Arguments:
Enum - Supplies the Enum to free.
Return Value:
None.
--*/
{
DWORD i;
//
// Walk through enumeration freeing all the names
//
for (i=0; i<Enum->EntryCount; i++) {
MIDL_user_free(Enum->Entry[i].Name);
}
MIDL_user_free(Enum);
}
VOID
ApipAddToEnum(
IN PENUM_LIST *pEnum,
IN DWORD *pAllocated,
IN LPCWSTR Name,
IN DWORD Type
)
/*++
Routine Description:
Common worker callback routine for enumerating objects.
Adds the specified resource to the list that is being
built up.
Arguments:
pEnum - Supplies a pointer to the current enumeration list.
pAllocated - Supplies a pointer to a dword specifying the current
allocation size of the ENUM_LIST.
Name - Supplies the name of the object to be added to the ENUM_LIST.
A copy of this name will be created by using MIDL_user_allocate.
Type - Supplies the object's type
Return Value:
None
--*/
{
PENUM_LIST Enum;
PENUM_LIST NewEnum;
DWORD NewAllocated;
DWORD Index;
LPWSTR NewName;
NewName = MIDL_user_allocate((lstrlenW(Name)+1)*sizeof(WCHAR));
if (NewName == NULL) {
CL_UNEXPECTED_ERROR( ERROR_NOT_ENOUGH_MEMORY );
return;
}
lstrcpyW(NewName, Name);
Enum = *pEnum;
if (Enum->EntryCount >= *pAllocated) {
//
// Need to grow the ENUM_LIST
//
NewAllocated = *pAllocated + 8;
NewEnum = MIDL_user_allocate(ENUM_SIZE(NewAllocated));
if (NewEnum == NULL) {
MIDL_user_free(NewName);
return;
}
CopyMemory(NewEnum, Enum, ENUM_SIZE(*pAllocated));
CL_ASSERT( Enum->EntryCount == NewEnum->EntryCount );
*pAllocated = NewAllocated;
*pEnum = NewEnum;
MIDL_user_free(Enum);
Enum = NewEnum;
}
//
// Initialize new entry field.
//
Enum->Entry[Enum->EntryCount].Name = NewName;
Enum->Entry[Enum->EntryCount].Type = Type;
++Enum->EntryCount;
return;
}
BOOL
ApipEnumResourceWorker(
IN PENUM_LIST *pEnum,
IN DWORD *pAllocated,
IN PFM_RESOURCE Resource,
IN LPCWSTR Name
)
/*++
Routine Description:
Worker callback routine for the enumeration of resources.
Adds the specified resource to the list that is being
built up.
Arguments:
pEnum - Supplies a pointer to the current enumeration list.
pAllocated - Supplies a pointer to a dword specifying the current
allocation size of the ENUM_LIST.
Resource - Supplies the resource to be added to the ENUM_LIST
Name - Supplies the resource's name
Return Value:
TRUE to indicate that enumeration should continue.
--*/
{
LPWSTR RealName;
RealName = ApipGetObjectName(Resource);
if (RealName != NULL) {
ApipAddToEnum(pEnum,
pAllocated,
RealName,
CLUSTER_ENUM_RESOURCE);
MIDL_user_free( RealName);
}
return(TRUE);
}
BOOL
ApipEnumGroupResourceWorker(
IN PENUM_LIST *pEnum,
IN DWORD *pAllocated,
IN PFM_RESOURCE Resource,
IN LPCWSTR Name
)
/*++
Routine Description:
Worker callback routine for the enumeration of resources.
Adds the specified resource to the list that is being
built up.
Arguments:
pEnum - Supplies a pointer to the current enumeration list.
pAllocated - Supplies a pointer to a dword specifying the current
allocation size of the ENUM_LIST.
Resource - Supplies the resource to be added to the ENUM_LIST
Name - Supplies the resource's name
Return Value:
TRUE to indicate that enumeration should continue.
--*/
{
LPWSTR RealName;
RealName = ApipGetObjectName(Resource);
if (RealName != NULL) {
ApipAddToEnum(pEnum,
pAllocated,
RealName,
CLUSTER_GROUP_ENUM_CONTAINS);
MIDL_user_free( RealName );
}
return(TRUE);
}
BOOL
ApipEnumNodeWorker(
IN PENUM_LIST *pEnum,
IN DWORD *pAllocated,
IN PNM_NODE Node,
IN LPCWSTR Name
)
/*++
Routine Description:
Worker callback routine for the enumeration of nodes.
Adds the specified node to the list that is being
built up.
Arguments:
pEnum - Supplies a pointer to the current enumeration list.
pAllocated - Supplies a pointer to a dword specifying the current
allocation size of the ENUM_LIST.
Node - Supplies the node to be added to the ENUM_LIST
Name - Supplies the node's name
Return Value:
TRUE to indicate that enumeration should continue.
--*/
{
LPCWSTR RealName;
RealName = OmObjectName(Node);
if (RealName != NULL) {
ApipAddToEnum(pEnum,
pAllocated,
RealName,
CLUSTER_ENUM_NODE);
}
return(TRUE);
}
BOOL
ApipEnumResTypeWorker(
IN PENUM_LIST *pEnum,
IN DWORD *pAllocated,
IN PFM_RESTYPE ResType,
IN LPCWSTR Name
)
/*++
Routine Description:
Worker callback routine for the enumeration of resource types.
Adds the specified resource type to the list that is being
built up.
Arguments:
pEnum - Supplies a pointer to the current enumeration list.
pAllocated - Supplies a pointer to a dword specifying the current
allocation size of the ENUM_LIST.
Node - Supplies the resource type to be added to the ENUM_LIST
Name - Supplies the resource type's name
Return Value:
TRUE to indicate that enumeration should continue.
--*/
{
ApipAddToEnum(pEnum,
pAllocated,
Name,
CLUSTER_ENUM_RESTYPE);
return(TRUE);
}
BOOL
ApipEnumGroupWorker(
IN PENUM_LIST *pEnum,
IN DWORD *pAllocated,
IN PFM_GROUP Group,
IN LPCWSTR Name
)
/*++
Routine Description:
Worker callback routine for the enumeration of groups.
Adds the specified group to the list that is being
built up.
Arguments:
pEnum - Supplies a pointer to the current enumeration list.
pAllocated - Supplies a pointer to a dword specifying the current
allocation size of the ENUM_LIST.
Group - Supplies the group to be added to the ENUM_LIST
Name - Supplies the group's name
Return Value:
TRUE to indicate that enumeration should continue.
--*/
{
LPCWSTR RealName;
RealName = OmObjectName(Group);
if (RealName != NULL) {
ApipAddToEnum(pEnum,
pAllocated,
RealName,
CLUSTER_ENUM_GROUP);
}
return(TRUE);
}
BOOL
ApipEnumNetworkWorker(
IN PENUM_LIST *pEnum,
IN DWORD *pAllocated,
IN PVOID Object,
IN LPCWSTR Name
)
/*++
Routine Description:
Worker callback routine for the enumeration of networks.
Adds the specified network to the list that is being
built up.
Arguments:
pEnum - Supplies a pointer to the current enumeration list.
pAllocated - Supplies a pointer to a dword specifying the current
allocation size of the ENUM_LIST.
Object - Supplies the object to be added to the ENUM_LIST
Name - Supplies the network's name
Return Value:
TRUE to indicate that enumeration should continue.
--*/
{
LPWSTR RealName;
RealName = ApipGetObjectName(Object);
if (RealName != NULL) {
ApipAddToEnum(pEnum,
pAllocated,
RealName,
CLUSTER_ENUM_NETWORK);
MIDL_user_free( RealName );
}
return(TRUE);
}
DWORD
ApipEnumInternalNetworks(
IN PENUM_LIST *pEnum,
IN DWORD *pAllocated
)
/*++
Routine Description:
Enumerates all networks used for internal communication.
Arguments:
pEnum - Supplies a pointer to the current enumeration list.
pAllocated - Supplies a pointer to a dword specifying the current
allocation size of the ENUM_LIST.
Return Value:
ERROR_SUCCESS if successful
Win32 error code otherwise.
--*/
{
DWORD Status;
DWORD NetworkCount;
PNM_NETWORK *NetworkList;
DWORD i;
LPWSTR RealName;
Status = NmEnumInternalNetworks(&NetworkCount, &NetworkList);
if (Status != ERROR_SUCCESS) {
return(Status);
}
for (i=0; i<NetworkCount; i++) {
RealName = ApipGetObjectName(NetworkList[i]);
if (RealName != NULL) {
ApipAddToEnum(pEnum,
pAllocated,
RealName,
(DWORD) CLUSTER_ENUM_INTERNAL_NETWORK);
MIDL_user_free( RealName );
}
OmDereferenceObject(NetworkList[i]);
}
if (NetworkList != NULL) {
LocalFree(NetworkList);
}
return(ERROR_SUCCESS);
}
BOOL
ApipEnumNetworkInterfaceWorker(
IN PENUM_LIST *pEnum,
IN DWORD *pAllocated,
IN PVOID Object,
IN LPCWSTR Name
)
/*++
Routine Description:
Worker callback routine for the enumeration of network interfaces.
Adds the specified network interface to the list that is being
built up.
Arguments:
pEnum - Supplies a pointer to the current enumeration list.
pAllocated - Supplies a pointer to a dword specifying the current
allocation size of the ENUM_LIST.
Object - Supplies the object to be added to the ENUM_LIST
Name - Supplies the network interface's name
Return Value:
TRUE to indicate that enumeration should continue.
--*/
{
LPWSTR RealName;
RealName = ApipGetObjectName(Object);
if (RealName != NULL) {
ApipAddToEnum(pEnum,
pAllocated,
RealName,
CLUSTER_ENUM_NETINTERFACE);
MIDL_user_free( RealName );
}
return(TRUE);
}
error_status_t
s_ApiCreateNodeEnum(
IN HNODE_RPC hNode,
IN DWORD dwType,
OUT PENUM_LIST *ReturnEnum
)
/*++
Routine Description:
Enumerates all the resource objects contained in the specified
node and returns them to the caller. The client-side is
responsible for freeing the allocated memory.
Arguments:
hNode - Supplies the node to be enumerated
dwType - Supplies a bitmask of the type of properties to be
enumerated.
ReturnEnum - Returns the requested objects.
Return Value:
ERROR_SUCCESS if successful
Win32 error code otherwise.
--*/
{
DWORD Status;
DWORD Allocated = 0;
PENUM_LIST Enum = NULL;
PNM_INTERFACE * InterfaceList;
DWORD InterfaceCount;
PNM_NODE Node;
DWORD i;
API_CHECK_INIT();
VALIDATE_NODE_EXISTS(Node, hNode);
Allocated = INITIAL_ENUM_LIST_ALLOCATION;
Enum = MIDL_user_allocate(ENUM_SIZE(Allocated));
if (Enum == NULL) {
Status = ERROR_NOT_ENOUGH_MEMORY;
goto ErrorExit;
}
Enum->EntryCount = 0;
if (dwType & CLUSTER_NODE_ENUM_NETINTERFACES) {
Status = NmEnumNodeInterfaces(
Node,
&InterfaceCount,
&InterfaceList
);
if (Status != ERROR_SUCCESS) {
goto ErrorExit;
}
for (i=0; i<InterfaceCount; i++) {
ApipAddToEnum(&Enum,
&Allocated,
OmObjectName(InterfaceList[i]),
CLUSTER_NODE_ENUM_NETINTERFACES);
OmDereferenceObject(InterfaceList[i]);
}
if (InterfaceList != NULL) {
LocalFree(InterfaceList);
}
}
*ReturnEnum = Enum;
return(ERROR_SUCCESS);
ErrorExit:
if (Enum != NULL) {
ApipFreeEnum(Enum);
}
*ReturnEnum = NULL;
return(Status);
}
error_status_t
s_ApiCreateGroupResourceEnum(
IN HGROUP_RPC hGroup,
IN DWORD dwType,
OUT PENUM_LIST *ReturnEnum
)
/*++
Routine Description:
Enumerates all the resource objects contained in the specified
group and returns them to the caller. The client-side is
responsible for freeing the allocated memory.
Arguments:
hGroup - Supplies the group to be enumerated
dwType - Supplies a bitmask of the type of properties to be
enumerated. Currently defined types include
CLUSTER_GROUP_ENUM_CONTAINS - All resources contained in the specified
group
CLUSTER_GROUP_ENUM_NODES - All nodes in the specified group's preferred
owner list.
ReturnEnum - Returns the requested objects.
Return Value:
ERROR_SUCCESS if successful
Win32 error code otherwise.
--*/
{
DWORD Status;
DWORD Allocated = 0;
PENUM_LIST Enum = NULL;
PFM_GROUP Group;
API_CHECK_INIT();
VALIDATE_GROUP_EXISTS(Group, hGroup);
Allocated = INITIAL_ENUM_LIST_ALLOCATION;
Enum = MIDL_user_allocate(ENUM_SIZE(Allocated));
if (Enum == NULL) {
Status = ERROR_NOT_ENOUGH_MEMORY;
goto ErrorExit;
}
Enum->EntryCount = 0;
//
// Enumerate all contained resources
//
if (dwType & CLUSTER_GROUP_ENUM_CONTAINS) {
//
// Enumerate all resources for the Group.
//
Status = FmEnumerateGroupResources(Group,
ApipEnumGroupResourceWorker,
&Enum,
&Allocated);
if ( Status != ERROR_SUCCESS ) {
goto ErrorExit;
}
}
if (dwType & CLUSTER_GROUP_ENUM_NODES) {
LPWSTR Buffer=NULL;
DWORD BufferSize=0;
DWORD DataSize=0;
DWORD i;
HDMKEY GroupKey;
LPCWSTR Next;
PNM_NODE Node;
//
// Enumerate all preferred nodes for the group.
// Just get this data right out of the registry.
//
GroupKey = DmOpenKey(DmGroupsKey,
OmObjectId(Group),
KEY_READ);
if (GroupKey == NULL) {
Status = GetLastError();
goto ErrorExit;
}
Status = DmQueryMultiSz(GroupKey,
CLUSREG_NAME_GRP_PREFERRED_OWNERS,
&Buffer,
&BufferSize,
&DataSize);
DmCloseKey(GroupKey);
if (Status != ERROR_FILE_NOT_FOUND) {
if (Status != ERROR_SUCCESS) {
//
// Chittur Subbaraman (chitturs) - 10/05/98
// Fix memory leak
//
LocalFree(Buffer);
goto ErrorExit;
}
for (i=0; ; i++) {
Next = ClRtlMultiSzEnum(Buffer, DataSize/sizeof(WCHAR), i);
if (Next == NULL) {
Status = ERROR_SUCCESS;
break;
}
Node = OmReferenceObjectById(ObjectTypeNode, Next);
if (Node != NULL) {
ApipAddToEnum(&Enum,
&Allocated,
OmObjectName(Node),
CLUSTER_GROUP_ENUM_NODES);
OmDereferenceObject(Node);
}
}
}
//
// Chittur Subbaraman (chitturs) - 10/05/98
// Fix memory leak
//
LocalFree(Buffer);
}
*ReturnEnum = Enum;
return(ERROR_SUCCESS);
ErrorExit:
if (Enum != NULL) {
ApipFreeEnum(Enum);
}
*ReturnEnum = NULL;
return(Status);
}
error_status_t
s_ApiCreateNetworkEnum(
IN HNETWORK_RPC hNetwork,
IN DWORD dwType,
OUT PENUM_LIST *ReturnEnum
)
/*++
Routine Description:
Enumerates all the interface objects contained in the specified
network and returns them to the caller. The client-side is
responsible for freeing the allocated memory.
Arguments:
hNetwork - Supplies the network to be enumerated
dwType - Supplies a bitmask of the type of properties to be
enumerated.
ReturnEnum - Returns the requested objects.
Return Value:
ERROR_SUCCESS if successful
Win32 error code otherwise.
--*/
{
DWORD Status;
DWORD Allocated = 0;
PENUM_LIST Enum = NULL;
PNM_INTERFACE * InterfaceList;
DWORD InterfaceCount;
PNM_NETWORK Network;
DWORD i;
API_CHECK_INIT();
VALIDATE_NETWORK_EXISTS(Network, hNetwork);
Allocated = INITIAL_ENUM_LIST_ALLOCATION;
Enum = MIDL_user_allocate(ENUM_SIZE(Allocated));
if (Enum == NULL) {
Status = ERROR_NOT_ENOUGH_MEMORY;
goto ErrorExit;
}
Enum->EntryCount = 0;
if (dwType & CLUSTER_NETWORK_ENUM_NETINTERFACES) {
Status = NmEnumNetworkInterfaces(
Network,
&InterfaceCount,
&InterfaceList
);
if (Status != ERROR_SUCCESS) {
goto ErrorExit;
}
for (i=0; i<InterfaceCount; i++) {
ApipAddToEnum(&Enum,
&Allocated,
OmObjectName(InterfaceList[i]),
CLUSTER_NETWORK_ENUM_NETINTERFACES);
OmDereferenceObject(InterfaceList[i]);
}
if (InterfaceList != NULL) {
LocalFree(InterfaceList);
}
}
*ReturnEnum = Enum;
return(ERROR_SUCCESS);
ErrorExit:
if (Enum != NULL) {
ApipFreeEnum(Enum);
}
*ReturnEnum = NULL;
return(Status);
}
BOOL
ApipRefObjectWorker(
IN PREFOBJECT Target,
IN PVOID *pObject,
IN PVOID Object,
IN LPCWSTR ObjectId
)
/*++
Routine Description:
Enumeration worker for ApipReferenceObjectByName.
Arguments:
Target - Supplies the friendly name that is to be referenced.
pObject - Returns the object found, if any.
Object - Supplies the current object being enumerated.
ObjectId - Supplies the identifier (GUID) of the current object being
enumerated.
Return Value:
TRUE - Object did not match. Enumeration should continue.
FALSE - Object match was found. Enumeration should stop.
--*/
{
HDMKEY Key;
DWORD Size;
DWORD Status;
DWORD Type;
Key = DmOpenKey(Target->RootKey,
ObjectId,
KEY_READ);
if (Key == NULL) {
CL_UNEXPECTED_ERROR(GetLastError());
return(TRUE);
}
Size = Target->NameLength;
Status = DmQueryValue(Key,
L"Name",
&Type,
(UCHAR *)Target->NameBuffer,
&Size);
DmCloseKey(Key);
if ((Status == ERROR_SUCCESS) &&
(lstrcmpiW(Target->NameBuffer, Target->FriendlyName)==0)) {
//
// Found a match. Reference it and return it.
//
OmReferenceObject(Object);
*pObject = Object;
return(FALSE);
}
//
// Mismatch.
//
return(TRUE);
}
LPWSTR
ApipGetObjectName(
IN PVOID Object
)
/*++
Routine Description:
Allocates a string and fills in the object's name.
Arguments:
Object - A pointer to the object to get its name.
Return Value:
A pointer to a WSTR that contains the user-friendly name of the object.
NULL on failure - use GetLastError to get the Win32 error code.
--*/
{
LPWSTR Name;
DWORD NameSize;
if ( OmObjectName(Object) == NULL ) {
Name = MIDL_user_allocate(1 * sizeof(WCHAR));
if ( Name != NULL ) {
*Name = (WCHAR)0;
} else {
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
}
} else {
NameSize = lstrlenW(OmObjectName(Object));
Name = MIDL_user_allocate((NameSize + 1) * sizeof(WCHAR));
if ( Name != NULL ) {
lstrcpyW( Name, OmObjectName(Object) );
} else {
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
}
}
return(Name);
} // ApipGetObjectName