/** @file\r
Linked List Library Functions.\r
\r
- Copyright (c) 2006, Intel Corporation<BR>\r
- All rights reserved. This program and the accompanying materials\r
+ Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
+ This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php\r
+ http://opensource.org/licenses/bsd-license.php.\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
-//\r
-// Include common header file for this module.\r
-//\r
-\r
-\r
#include "BaseLibInternals.h"\r
\r
/**\r
- Worker function that locates the Node in the List\r
+ If PcdVerifyNodeInList is TRUE, ASSERTs when SecondEntry is or is not part of\r
+ the same doubly-linked list as FirstEntry depending on the value of InList.\r
+ Independent of PcdVerifyNodeInList, ASSERTs when FirstEntry is not part of a\r
+ valid list.\r
\r
- By searching the List, finds the location of the Node in List. At the same time,\r
- verifies the validity of this list.\r
+ If FirstEntry is NULL, then ASSERT().\r
+ If FirstEntry->ForwardLink is NULL, then ASSERT().\r
+ If FirstEntry->BackLink is NULL, then ASSERT().\r
+ If PcdMaximumLinkedListLength is not zero, and List contains more than\r
+ PcdMaximumLinkedListLength nodes, then ASSERT().\r
+ If PcdVerifyNodeInList is TRUE and SecondEntry is NULL, then ASSERT().\r
+\r
+ @param FirstEntry A pointer to a node in a linked list.\r
+ @param SecondEntry A pointer to the node to locate.\r
+ @param InList Defines whether to check if SecondEntry is or is not part\r
+ of the same doubly-linked list as FirstEntry.\r
+\r
+**/\r
+#if !defined (MDEPKG_NDEBUG)\r
+ #define ASSERT_VERIFY_NODE_IN_VALID_LIST(FirstEntry, SecondEntry, InList) \\r
+ do { \\r
+ if (FeaturePcdGet (PcdVerifyNodeInList)) { \\r
+ ASSERT (InList == IsNodeInList ((FirstEntry), (SecondEntry))); \\r
+ } else { \\r
+ ASSERT (InternalBaseLibIsListValid (FirstEntry)); \\r
+ } \\r
+ } while (FALSE)\r
+#else\r
+ #define ASSERT_VERIFY_NODE_IN_VALID_LIST(FirstEntry, SecondEntry, InList)\r
+#endif\r
+\r
+/**\r
+ Worker function that verifies the validity of this list.\r
\r
If List is NULL, then ASSERT().\r
If List->ForwardLink is NULL, then ASSERT().\r
- If List->backLink is NULL, then ASSERT().\r
- If Node is NULL, then ASSERT();\r
- If PcdMaximumLinkedListLenth is not zero, and prior to insertion the number\r
- of nodes in ListHead, including the ListHead node, is greater than or\r
- equal to PcdMaximumLinkedListLength, then ASSERT().\r
+ If List->BackLink is NULL, then ASSERT().\r
+ If PcdMaximumLinkedListLength is not zero, and List contains more than\r
+ PcdMaximumLinkedListLength nodes, then ASSERT().\r
\r
- @param List A pointer to a node in a linked list.\r
- @param Node A pointer to one nod.\r
+ @param List A pointer to a node in a linked list.\r
\r
- @retval TRUE Node is in List\r
- @retval FALSE Node isn't in List, or List is invalid\r
+ @retval TRUE if PcdVerifyNodeInList is FALSE\r
+ @retval TRUE if DoMembershipCheck is FALSE\r
+ @retval TRUE if PcdVerifyNodeInList is TRUE and DoMembershipCheck is TRUE\r
+ and Node is a member of List.\r
+ @retval FALSE if PcdVerifyNodeInList is TRUE and DoMembershipCheck is TRUE\r
+ and Node is in not a member of List.\r
\r
**/\r
BOOLEAN\r
-IsNodeInList (\r
- IN CONST LIST_ENTRY *List,\r
- IN CONST LIST_ENTRY *Node\r
+EFIAPI\r
+InternalBaseLibIsListValid (\r
+ IN CONST LIST_ENTRY *List\r
)\r
{\r
- UINTN Count;\r
- CONST LIST_ENTRY *Ptr;\r
- BOOLEAN Found;\r
+ UINTN Count;\r
+ CONST LIST_ENTRY *Ptr;\r
\r
//\r
// Test the validity of List and Node\r
ASSERT (List != NULL);\r
ASSERT (List->ForwardLink != NULL);\r
ASSERT (List->BackLink != NULL);\r
- ASSERT (Node != NULL);\r
\r
- Count = PcdGet32 (PcdMaximumLinkedListLength);\r
+ if (PcdGet32 (PcdMaximumLinkedListLength) > 0) {\r
+ Count = 0;\r
+ Ptr = List;\r
+\r
+ //\r
+ // Count the total number of nodes in List.\r
+ // Exit early if the number of nodes in List >= PcdMaximumLinkedListLength\r
+ //\r
+ do {\r
+ Ptr = Ptr->ForwardLink;\r
+ Count++;\r
+ } while ((Ptr != List) && (Count < PcdGet32 (PcdMaximumLinkedListLength)));\r
+\r
+ //\r
+ // return whether linked list is too long\r
+ //\r
+ return (BOOLEAN)(Count < PcdGet32 (PcdMaximumLinkedListLength));\r
+ }\r
+\r
+ return TRUE;\r
+}\r
+\r
+/**\r
+ Checks whether FirstEntry and SecondEntry are part of the same doubly-linked\r
+ list.\r
+\r
+ If FirstEntry is NULL, then ASSERT().\r
+ If FirstEntry->ForwardLink is NULL, then ASSERT().\r
+ If FirstEntry->BackLink is NULL, then ASSERT().\r
+ If SecondEntry is NULL, then ASSERT();\r
+ If PcdMaximumLinkedListLength is not zero, and List contains more than\r
+ PcdMaximumLinkedListLength nodes, then ASSERT().\r
+\r
+ @param FirstEntry A pointer to a node in a linked list.\r
+ @param SecondEntry A pointer to the node to locate.\r
+\r
+ @retval TRUE SecondEntry is in the same doubly-linked list as FirstEntry.\r
+ @retval FALSE SecondEntry isn't in the same doubly-linked list as FirstEntry,\r
+ or FirstEntry is invalid.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+IsNodeInList (\r
+ IN CONST LIST_ENTRY *FirstEntry,\r
+ IN CONST LIST_ENTRY *SecondEntry\r
+ )\r
+{\r
+ UINTN Count;\r
+ CONST LIST_ENTRY *Ptr;\r
+\r
+ //\r
+ // ASSERT List not too long\r
+ //\r
+ ASSERT (InternalBaseLibIsListValid (FirstEntry));\r
+\r
+ ASSERT (SecondEntry != NULL);\r
+\r
+ Count = 0;\r
+ Ptr = FirstEntry;\r
\r
- Ptr = List;\r
+ //\r
+ // Check to see if SecondEntry is a member of FirstEntry.\r
+ // Exit early if the number of nodes in List >= PcdMaximumLinkedListLength\r
+ //\r
do {\r
Ptr = Ptr->ForwardLink;\r
- Count--;\r
- } while ((Ptr != List) && (Ptr != Node) && (Count > 0));\r
- Found = (BOOLEAN)(Ptr == Node);\r
+ if (PcdGet32 (PcdMaximumLinkedListLength) > 0) {\r
+ Count++;\r
+\r
+ //\r
+ // Return if the linked list is too long\r
+ //\r
+ if (Count == PcdGet32 (PcdMaximumLinkedListLength)) {\r
+ return (BOOLEAN)(Ptr == SecondEntry);\r
+ }\r
+ }\r
\r
- if (PcdGet32 (PcdMaximumLinkedListLength) > 0) {\r
- while ((Count > 0) && (Ptr != List)) {\r
- Ptr = Ptr->ForwardLink;\r
- Count--;\r
+ if (Ptr == SecondEntry) {\r
+ return TRUE;\r
}\r
- ASSERT (Count > 0);\r
- }\r
+ } while (Ptr != FirstEntry);\r
\r
- return Found;\r
+ return FALSE;\r
}\r
\r
/**\r
- Initializes the head node of a doubly linked list, and returns the pointer to\r
- the head node of the doubly linked list.\r
+ Initializes the head node of a doubly-linked list, and returns the pointer to\r
+ the head node of the doubly-linked list.\r
\r
Initializes the forward and backward links of a new linked list. After\r
initializing a linked list with this function, the other linked list\r
\r
If ListHead is NULL, then ASSERT().\r
\r
- @param ListHead A pointer to the head node of a new doubly linked list.\r
+ @param ListHead A pointer to the head node of a new doubly-linked list.\r
\r
@return ListHead\r
\r
LIST_ENTRY *\r
EFIAPI\r
InitializeListHead (\r
- IN OUT LIST_ENTRY *List\r
+ IN OUT LIST_ENTRY *ListHead\r
)\r
\r
{\r
- ASSERT (List != NULL);\r
+ ASSERT (ListHead != NULL);\r
\r
- List->ForwardLink = List;\r
- List->BackLink = List;\r
- return List;\r
+ ListHead->ForwardLink = ListHead;\r
+ ListHead->BackLink = ListHead;\r
+ return ListHead;\r
}\r
\r
/**\r
- Adds a node to the beginning of a doubly linked list, and returns the pointer\r
- to the head node of the doubly linked list.\r
+ Adds a node to the beginning of a doubly-linked list, and returns the pointer\r
+ to the head node of the doubly-linked list.\r
\r
- Adds the node Entry at the beginning of the doubly linked list denoted by\r
+ Adds the node Entry at the beginning of the doubly-linked list denoted by\r
ListHead, and returns ListHead.\r
\r
If ListHead is NULL, then ASSERT().\r
If Entry is NULL, then ASSERT().\r
- If ListHead was not initialized with InitializeListHead(), then ASSERT().\r
- If PcdMaximumLinkedListLenth is not zero, and prior to insertion the number\r
+ If ListHead was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r
+ InitializeListHead(), then ASSERT().\r
+ If PcdMaximumLinkedListLength is not zero, and prior to insertion the number\r
of nodes in ListHead, including the ListHead node, is greater than or\r
equal to PcdMaximumLinkedListLength, then ASSERT().\r
\r
- @param ListHead A pointer to the head node of a doubly linked list.\r
+ @param ListHead A pointer to the head node of a doubly-linked list.\r
@param Entry A pointer to a node that is to be inserted at the beginning\r
- of a doubly linked list.\r
+ of a doubly-linked list.\r
\r
@return ListHead\r
\r
LIST_ENTRY *\r
EFIAPI\r
InsertHeadList (\r
- IN OUT LIST_ENTRY *List,\r
- IN OUT LIST_ENTRY *Entry\r
+ IN OUT LIST_ENTRY *ListHead,\r
+ IN OUT LIST_ENTRY *Entry\r
)\r
{\r
//\r
// ASSERT List not too long and Entry is not one of the nodes of List\r
//\r
- ASSERT (!IsNodeInList (List, Entry));\r
+ ASSERT_VERIFY_NODE_IN_VALID_LIST (ListHead, Entry, FALSE);\r
\r
- Entry->ForwardLink = List->ForwardLink;\r
- Entry->BackLink = List;\r
+ Entry->ForwardLink = ListHead->ForwardLink;\r
+ Entry->BackLink = ListHead;\r
Entry->ForwardLink->BackLink = Entry;\r
- List->ForwardLink = Entry;\r
- return List;\r
+ ListHead->ForwardLink = Entry;\r
+ return ListHead;\r
}\r
\r
/**\r
- Adds a node to the end of a doubly linked list, and returns the pointer to\r
- the head node of the doubly linked list.\r
+ Adds a node to the end of a doubly-linked list, and returns the pointer to\r
+ the head node of the doubly-linked list.\r
\r
- Adds the node Entry to the end of the doubly linked list denoted by ListHead,\r
+ Adds the node Entry to the end of the doubly-linked list denoted by ListHead,\r
and returns ListHead.\r
\r
If ListHead is NULL, then ASSERT().\r
If Entry is NULL, then ASSERT().\r
- If ListHead was not initialized with InitializeListHead(), then ASSERT().\r
- If PcdMaximumLinkedListLenth is not zero, and prior to insertion the number\r
+ If ListHead was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r
+ InitializeListHead(), then ASSERT().\r
+ If PcdMaximumLinkedListLength is not zero, and prior to insertion the number\r
of nodes in ListHead, including the ListHead node, is greater than or\r
equal to PcdMaximumLinkedListLength, then ASSERT().\r
\r
- @param ListHead A pointer to the head node of a doubly linked list.\r
+ @param ListHead A pointer to the head node of a doubly-linked list.\r
@param Entry A pointer to a node that is to be added at the end of the\r
- doubly linked list.\r
+ doubly-linked list.\r
\r
@return ListHead\r
\r
LIST_ENTRY *\r
EFIAPI\r
InsertTailList (\r
- IN OUT LIST_ENTRY *List,\r
- IN OUT LIST_ENTRY *Entry\r
+ IN OUT LIST_ENTRY *ListHead,\r
+ IN OUT LIST_ENTRY *Entry\r
)\r
{\r
//\r
// ASSERT List not too long and Entry is not one of the nodes of List\r
//\r
- ASSERT (!IsNodeInList (List, Entry));\r
+ ASSERT_VERIFY_NODE_IN_VALID_LIST (ListHead, Entry, FALSE);\r
\r
- Entry->ForwardLink = List;\r
- Entry->BackLink = List->BackLink;\r
+ Entry->ForwardLink = ListHead;\r
+ Entry->BackLink = ListHead->BackLink;\r
Entry->BackLink->ForwardLink = Entry;\r
- List->BackLink = Entry;\r
- return List;\r
+ ListHead->BackLink = Entry;\r
+ return ListHead;\r
}\r
\r
/**\r
- Retrieves the first node of a doubly linked list.\r
+ Retrieves the first node of a doubly-linked list.\r
\r
- Returns the first node of a doubly linked list. List must have been\r
- initialized with InitializeListHead(). If List is empty, then NULL is\r
- returned.\r
+ Returns the first node of a doubly-linked list. List must have been\r
+ initialized with INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead().\r
+ If List is empty, then List is returned.\r
\r
If List is NULL, then ASSERT().\r
- If List was not initialized with InitializeListHead(), then ASSERT().\r
- If PcdMaximumLinkedListLenth is not zero, and the number of nodes\r
+ If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r
+ InitializeListHead(), then ASSERT().\r
+ If PcdMaximumLinkedListLength is not zero, and the number of nodes\r
in List, including the List node, is greater than or equal to\r
PcdMaximumLinkedListLength, then ASSERT().\r
\r
- @param List A pointer to the head node of a doubly linked list.\r
+ @param List A pointer to the head node of a doubly-linked list.\r
\r
- @return The first node of a doubly linked list.\r
- @retval NULL The list is empty.\r
+ @return The first node of a doubly-linked list.\r
+ @retval List The list is empty.\r
\r
**/\r
LIST_ENTRY *\r
EFIAPI\r
GetFirstNode (\r
- IN CONST LIST_ENTRY *List\r
+ IN CONST LIST_ENTRY *List\r
)\r
{\r
//\r
// ASSERT List not too long\r
//\r
- ASSERT (IsNodeInList (List, List));\r
+ ASSERT (InternalBaseLibIsListValid (List));\r
\r
return List->ForwardLink;\r
}\r
\r
/**\r
- Retrieves the next node of a doubly linked list.\r
+ Retrieves the next node of a doubly-linked list.\r
\r
- Returns the node of a doubly linked list that follows Node. List must have\r
- been initialized with InitializeListHead(). If List is empty, then List is\r
- returned.\r
+ Returns the node of a doubly-linked list that follows Node.\r
+ List must have been initialized with INTIALIZE_LIST_HEAD_VARIABLE()\r
+ or InitializeListHead(). If List is empty, then List is returned.\r
\r
If List is NULL, then ASSERT().\r
If Node is NULL, then ASSERT().\r
- If List was not initialized with InitializeListHead(), then ASSERT().\r
- If PcdMaximumLinkedListLenth is not zero, and List contains more than\r
- PcdMaximumLinkedListLenth nodes, then ASSERT().\r
- If Node is not a node in List, then ASSERT().\r
+ If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r
+ InitializeListHead(), then ASSERT().\r
+ If PcdMaximumLinkedListLength is not zero, and List contains more than\r
+ PcdMaximumLinkedListLength nodes, then ASSERT().\r
+ If PcdVerifyNodeInList is TRUE and Node is not a node in List, then ASSERT().\r
\r
- @param List A pointer to the head node of a doubly linked list.\r
- @param Node A pointer to a node in the doubly linked list.\r
+ @param List A pointer to the head node of a doubly-linked list.\r
+ @param Node A pointer to a node in the doubly-linked list.\r
\r
- @return Pointer to the next node if one exists. Otherwise a null value which\r
- is actually List is returned.\r
+ @return A pointer to the next node if one exists. Otherwise List is returned.\r
\r
**/\r
LIST_ENTRY *\r
EFIAPI\r
GetNextNode (\r
- IN CONST LIST_ENTRY *List,\r
- IN CONST LIST_ENTRY *Node\r
+ IN CONST LIST_ENTRY *List,\r
+ IN CONST LIST_ENTRY *Node\r
)\r
{\r
//\r
// ASSERT List not too long and Node is one of the nodes of List\r
//\r
- ASSERT (IsNodeInList (List, Node));\r
+ ASSERT_VERIFY_NODE_IN_VALID_LIST (List, Node, TRUE);\r
\r
return Node->ForwardLink;\r
}\r
\r
/**\r
- Checks to see if a doubly linked list is empty or not.\r
+ Retrieves the previous node of a doubly-linked list.\r
+\r
+ Returns the node of a doubly-linked list that precedes Node.\r
+ List must have been initialized with INTIALIZE_LIST_HEAD_VARIABLE()\r
+ or InitializeListHead(). If List is empty, then List is returned.\r
+\r
+ If List is NULL, then ASSERT().\r
+ If Node is NULL, then ASSERT().\r
+ If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r
+ InitializeListHead(), then ASSERT().\r
+ If PcdMaximumLinkedListLength is not zero, and List contains more than\r
+ PcdMaximumLinkedListLength nodes, then ASSERT().\r
+ If PcdVerifyNodeInList is TRUE and Node is not a node in List, then ASSERT().\r
\r
- Checks to see if the doubly linked list is empty. If the linked list contains\r
+ @param List A pointer to the head node of a doubly-linked list.\r
+ @param Node A pointer to a node in the doubly-linked list.\r
+\r
+ @return A pointer to the previous node if one exists. Otherwise List is returned.\r
+\r
+**/\r
+LIST_ENTRY *\r
+EFIAPI\r
+GetPreviousNode (\r
+ IN CONST LIST_ENTRY *List,\r
+ IN CONST LIST_ENTRY *Node\r
+ )\r
+{\r
+ //\r
+ // ASSERT List not too long and Node is one of the nodes of List\r
+ //\r
+ ASSERT_VERIFY_NODE_IN_VALID_LIST (List, Node, TRUE);\r
+\r
+ return Node->BackLink;\r
+}\r
+\r
+/**\r
+ Checks to see if a doubly-linked list is empty or not.\r
+\r
+ Checks to see if the doubly-linked list is empty. If the linked list contains\r
zero nodes, this function returns TRUE. Otherwise, it returns FALSE.\r
\r
If ListHead is NULL, then ASSERT().\r
- If ListHead was not initialized with InitializeListHead(), then ASSERT().\r
- If PcdMaximumLinkedListLenth is not zero, and the number of nodes\r
+ If ListHead was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r
+ InitializeListHead(), then ASSERT().\r
+ If PcdMaximumLinkedListLength is not zero, and the number of nodes\r
in List, including the List node, is greater than or equal to\r
PcdMaximumLinkedListLength, then ASSERT().\r
\r
- @param ListHead A pointer to the head node of a doubly linked list.\r
+ @param ListHead A pointer to the head node of a doubly-linked list.\r
\r
@retval TRUE The linked list is empty.\r
@retval FALSE The linked list is not empty.\r
BOOLEAN\r
EFIAPI\r
IsListEmpty (\r
- IN CONST LIST_ENTRY *List\r
+ IN CONST LIST_ENTRY *ListHead\r
)\r
{\r
//\r
// ASSERT List not too long\r
//\r
- ASSERT (IsNodeInList (List, List));\r
+ ASSERT (InternalBaseLibIsListValid (ListHead));\r
\r
- return (BOOLEAN)(List->ForwardLink == List);\r
+ return (BOOLEAN)(ListHead->ForwardLink == ListHead);\r
}\r
\r
/**\r
- Determines if a node in a doubly linked list is null.\r
+ Determines if a node in a doubly-linked list is the head node of a the same\r
+ doubly-linked list. This function is typically used to terminate a loop that\r
+ traverses all the nodes in a doubly-linked list starting with the head node.\r
\r
- Returns FALSE if Node is one of the nodes in the doubly linked list specified\r
- by List. Otherwise, TRUE is returned. List must have been initialized with\r
- InitializeListHead().\r
+ Returns TRUE if Node is equal to List. Returns FALSE if Node is one of the\r
+ nodes in the doubly-linked list specified by List. List must have been\r
+ initialized with INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead().\r
\r
If List is NULL, then ASSERT().\r
If Node is NULL, then ASSERT().\r
- If List was not initialized with InitializeListHead(), then ASSERT().\r
- If PcdMaximumLinkedListLenth is not zero, and the number of nodes\r
+ If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead(),\r
+ then ASSERT().\r
+ If PcdMaximumLinkedListLength is not zero, and the number of nodes\r
in List, including the List node, is greater than or equal to\r
PcdMaximumLinkedListLength, then ASSERT().\r
- If Node is not a node in List and Node is not equal to List, then ASSERT().\r
+ If PcdVerifyNodeInList is TRUE and Node is not a node in List and Node is not\r
+ equal to List, then ASSERT().\r
\r
- @param List A pointer to the head node of a doubly linked list.\r
- @param Node A pointer to a node in the doubly linked list.\r
+ @param List A pointer to the head node of a doubly-linked list.\r
+ @param Node A pointer to a node in the doubly-linked list.\r
\r
- @retval TRUE Node is one of the nodes in the doubly linked list.\r
- @retval FALSE Node is not one of the nodes in the doubly linked list.\r
+ @retval TRUE Node is the head of the doubly-linked list pointed by List.\r
+ @retval FALSE Node is not the head of the doubly-linked list pointed by List.\r
\r
**/\r
BOOLEAN\r
EFIAPI\r
IsNull (\r
- IN CONST LIST_ENTRY *List,\r
- IN CONST LIST_ENTRY *Node\r
+ IN CONST LIST_ENTRY *List,\r
+ IN CONST LIST_ENTRY *Node\r
)\r
{\r
//\r
// ASSERT List not too long and Node is one of the nodes of List\r
//\r
- ASSERT (IsNodeInList (List, Node));\r
+ ASSERT_VERIFY_NODE_IN_VALID_LIST (List, Node, TRUE);\r
\r
return (BOOLEAN)(Node == List);\r
}\r
\r
/**\r
- Determines if a node the last node in a doubly linked list.\r
+ Determines if a node the last node in a doubly-linked list.\r
\r
- Returns TRUE if Node is the last node in the doubly linked list specified by\r
+ Returns TRUE if Node is the last node in the doubly-linked list specified by\r
List. Otherwise, FALSE is returned. List must have been initialized with\r
- InitializeListHead().\r
+ INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead().\r
\r
If List is NULL, then ASSERT().\r
If Node is NULL, then ASSERT().\r
- If List was not initialized with InitializeListHead(), then ASSERT().\r
- If PcdMaximumLinkedListLenth is not zero, and the number of nodes\r
+ If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or\r
+ InitializeListHead(), then ASSERT().\r
+ If PcdMaximumLinkedListLength is not zero, and the number of nodes\r
in List, including the List node, is greater than or equal to\r
PcdMaximumLinkedListLength, then ASSERT().\r
- If Node is not a node in List, then ASSERT().\r
+ If PcdVerifyNodeInList is TRUE and Node is not a node in List, then ASSERT().\r
\r
- @param List A pointer to the head node of a doubly linked list.\r
- @param Node A pointer to a node in the doubly linked list.\r
+ @param List A pointer to the head node of a doubly-linked list.\r
+ @param Node A pointer to a node in the doubly-linked list.\r
\r
@retval TRUE Node is the last node in the linked list.\r
@retval FALSE Node is not the last node in the linked list.\r
BOOLEAN\r
EFIAPI\r
IsNodeAtEnd (\r
- IN CONST LIST_ENTRY *List,\r
- IN CONST LIST_ENTRY *Node\r
+ IN CONST LIST_ENTRY *List,\r
+ IN CONST LIST_ENTRY *Node\r
)\r
{\r
//\r
// ASSERT List not too long and Node is one of the nodes of List\r
//\r
- ASSERT (IsNodeInList (List, Node));\r
+ ASSERT_VERIFY_NODE_IN_VALID_LIST (List, Node, TRUE);\r
\r
return (BOOLEAN)(!IsNull (List, Node) && List->BackLink == Node);\r
}\r
\r
/**\r
- Swaps the location of two nodes in a doubly linked list, and returns the\r
+ Swaps the location of two nodes in a doubly-linked list, and returns the\r
first node after the swap.\r
\r
If FirstEntry is identical to SecondEntry, then SecondEntry is returned.\r
Otherwise, the location of the FirstEntry node is swapped with the location\r
- of the SecondEntry node in a doubly linked list. SecondEntry must be in the\r
+ of the SecondEntry node in a doubly-linked list. SecondEntry must be in the\r
same double linked list as FirstEntry and that double linked list must have\r
- been initialized with InitializeListHead(). SecondEntry is returned after the\r
- nodes are swapped.\r
+ been initialized with INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead().\r
+ SecondEntry is returned after the nodes are swapped.\r
\r
If FirstEntry is NULL, then ASSERT().\r
If SecondEntry is NULL, then ASSERT().\r
- If SecondEntry and FirstEntry are not in the same linked list, then ASSERT().\r
+ If PcdVerifyNodeInList is TRUE and SecondEntry and FirstEntry are not in the\r
+ same linked list, then ASSERT().\r
If PcdMaximumLinkedListLength is not zero, and the number of nodes in the\r
linked list containing the FirstEntry and SecondEntry nodes, including\r
the FirstEntry and SecondEntry nodes, is greater than or equal to\r
@param FirstEntry A pointer to a node in a linked list.\r
@param SecondEntry A pointer to another node in the same linked list.\r
\r
+ @return SecondEntry.\r
+\r
**/\r
LIST_ENTRY *\r
EFIAPI\r
SwapListEntries (\r
- IN OUT LIST_ENTRY *FirstEntry,\r
- IN OUT LIST_ENTRY *SecondEntry\r
+ IN OUT LIST_ENTRY *FirstEntry,\r
+ IN OUT LIST_ENTRY *SecondEntry\r
)\r
{\r
LIST_ENTRY *Ptr;\r
//\r
// ASSERT Entry1 and Entry2 are in the same linked list\r
//\r
- ASSERT (IsNodeInList (FirstEntry, SecondEntry));\r
+ ASSERT_VERIFY_NODE_IN_VALID_LIST (FirstEntry, SecondEntry, TRUE);\r
\r
//\r
// Ptr is the node pointed to by FirstEntry->ForwardLink\r
Ptr = RemoveEntryList (FirstEntry);\r
\r
//\r
- // If FirstEntry immediately follows SecondEntry, FirstEntry willl be placed\r
+ // If FirstEntry immediately follows SecondEntry, FirstEntry will be placed\r
// immediately in front of SecondEntry\r
//\r
if (Ptr->BackLink == SecondEntry) {\r
}\r
\r
/**\r
- Removes a node from a doubly linked list, and returns the node that follows\r
+ Removes a node from a doubly-linked list, and returns the node that follows\r
the removed node.\r
\r
- Removes the node Entry from a doubly linked list. It is up to the caller of\r
+ Removes the node Entry from a doubly-linked list. It is up to the caller of\r
this function to release the memory used by this node if that is required. On\r
- exit, the node following Entry in the doubly linked list is returned. If\r
+ exit, the node following Entry in the doubly-linked list is returned. If\r
Entry is the only node in the linked list, then the head node of the linked\r
list is returned.\r
\r
linked list containing Entry, including the Entry node, is greater than\r
or equal to PcdMaximumLinkedListLength, then ASSERT().\r
\r
- @param Entry A pointer to a node in a linked list\r
+ @param Entry A pointer to a node in a linked list.\r
\r
- @return Entry\r
+ @return Entry.\r
\r
**/\r
LIST_ENTRY *\r
EFIAPI\r
RemoveEntryList (\r
- IN CONST LIST_ENTRY *Entry\r
+ IN CONST LIST_ENTRY *Entry\r
)\r
{\r
ASSERT (!IsListEmpty (Entry));\r
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