diff options
Diffstat (limited to 'StdLib/LibC/Uefi/Devices/Utility/DevSearch.c')
| -rw-r--r-- | StdLib/LibC/Uefi/Devices/Utility/DevSearch.c | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/StdLib/LibC/Uefi/Devices/Utility/DevSearch.c b/StdLib/LibC/Uefi/Devices/Utility/DevSearch.c deleted file mode 100644 index b0fc7bacd1..0000000000 --- a/StdLib/LibC/Uefi/Devices/Utility/DevSearch.c +++ /dev/null @@ -1,112 +0,0 @@ -/** @file
- Device Abstraction: Search device list for a matching device.
-
- Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
- This program and the accompanying materials are licensed and made available under
- the terms and conditions of the BSD License that accompanies this distribution.
- The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php.
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-**/
-#include <Uefi.h>
-#include <Library/BaseLib.h>
-#include <Library/BaseMemoryLib.h>
-
-#include <LibConfig.h>
-
-#include <errno.h>
-#include <kfile.h>
-#include <Device/Device.h>
-#include <MainData.h>
-
-/** Find a DeviceNode matching DevName or DevProto, or both.
-
- If DevName is NULL, then the device name is not used in the search.
- If DevProto is NULL, then the protocol GUID is not used in the search.
- If both are NULL, then INVALID_PARAMETER is returned.
- If both DevName and DevProto are specified, then both must match.
- If both are specified but only one matches, then DEVICE_ERROR is returned.
-
- @param DevName Name of the Device Abstraction to find.
- @param DevProto GUID of the Protocol associated with the Device Abstraction.
- @param Node Pointer to the pointer to receive the found Device Node's address.
-
- @retval RETURN_SUCCESS The desired Device Node was found.
- @retval RETURN_INVALID_PARAMETER Both DevName and DevProto are NULL or Node is NULL.
- @retval RETURN_DEVICE_ERROR DevName matched but DevProto did not.
- @retval RETURN_NOT_FOUND The desired device was not found.
-**/
-EFI_STATUS
-EFIAPI
-__DevSearch(
- IN CHAR16 *DevName,
- IN GUID *DevProto,
- OUT DeviceNode **Node
- )
-{
- RETURN_STATUS Status = RETURN_NOT_FOUND;
- DeviceNode *WorkNode;
- INT32 DevMatched;
-
- if(((DevName == NULL) && (DevProto == NULL)) || (Node == NULL)) {
- Status = RETURN_INVALID_PARAMETER;
- }
- else {
- if(IsListEmpty((LIST_ENTRY *)&daDeviceList)) {
- Status = RETURN_NOT_FOUND;
- }
- else {
- /* Traverse the list of Device Nodes hunting for a match */
- WorkNode = (DeviceNode *)GetFirstNode((LIST_ENTRY *)&daDeviceList);
- do {
- /* Use DevMatched to keep track of the three match conditions. */
- DevMatched = 0;
- if(DevName != NULL) {
- ++DevMatched;
- if(wcsncmp(DevName, WorkNode->DevName, wcslen(WorkNode->DevName)) == 0) {
- ++DevMatched;
- }
- }
- /* At this point, DevMatched has one of the following values:
- 0 DevName == NULL, no name comparison
- 1 DevName did not match WorkNode's name
- 2 DevName MATCHED
- */
- if((DevMatched != 1) && (DevProto != NULL) && (WorkNode->DevProto != NULL)) {
- /* Only bother with the GUID comparison if:
- * There was NOT a name mismatch
- * DevProto is NOT NULL -- there is a GUID to compare
- * WorkNode->DevProto is NOT NULL
- */
- if(CompareGuid(DevProto, WorkNode->DevProto)) {
- // GUIDs matched, we found it
- Status = RETURN_SUCCESS;
- *Node = WorkNode;
- break;
- }
- else {
- // GUIDs did not match
- if(DevMatched == 2) {
- // Name matched, GUID did not!
- Status = RETURN_DEVICE_ERROR;
- break; // Don't try any more, we have an internal problem
- }
- }
- }
- else {
- if(DevMatched == 2) {
- // Device Name matched, GUIDs skipped
- Status = RETURN_SUCCESS;
- *Node = WorkNode;
- break;
- }
- }
- // Check the next device in the list
- WorkNode = (DeviceNode *)GetNextNode(&daDeviceList, (LIST_ENTRY *)WorkNode);
- } while(&daDeviceList != (LIST_ENTRY *)WorkNode);
- }
- }
- return Status;
-}
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