112 lines
1.9 KiB
C
112 lines
1.9 KiB
C
|
|
/*++
|
|
|
|
Copyright (c) 1996 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
bintree.h
|
|
|
|
Abstract:
|
|
|
|
Routines that manage the binary trees in the memdb database
|
|
|
|
Author:
|
|
|
|
Matthew Vanderzee (mvander) 13-Aug-1999
|
|
|
|
|
|
--*/
|
|
|
|
|
|
//
|
|
// all string arguments for BinTree functions must
|
|
// be Pascal-style strings (use StringPas...() functions
|
|
// defined in pastring.c).
|
|
//
|
|
|
|
|
|
|
|
|
|
//
|
|
// returns offset of binary tree
|
|
// OffsetOfString is the offset in bytes in the data structure
|
|
// of the string used to order the different nodes
|
|
//
|
|
UINT BinTreeNew();
|
|
|
|
//
|
|
// returns INVALID_OFFSET if node already exists,
|
|
// or offset of NODESTRUCT if add went okay
|
|
//
|
|
BOOL BinTreeAddNode(UINT TreeOffset, UINT data);
|
|
|
|
//
|
|
// removes node and returns offset of data
|
|
//
|
|
UINT BinTreeDeleteNode(UINT TreeOffset, PCWSTR str, PBOOL LastNode);
|
|
|
|
//
|
|
// returns pointer to data
|
|
//
|
|
UINT BinTreeFindNode(UINT TreeOffset, PCWSTR str);
|
|
|
|
//
|
|
// destroys and deallocates tree (but not data contained inside)
|
|
//
|
|
void BinTreeDestroy(UINT TreeOffset);
|
|
|
|
//
|
|
// enumerate first node in tree. this takes the offset of
|
|
// the BINTREE struct and a pointer to a UINT which will
|
|
// hold data for BinTreeEnumNext.
|
|
//
|
|
UINT BinTreeEnumFirst(UINT TreeOffset, PUINT pEnum);
|
|
|
|
//
|
|
// pEnum is the enumerator filled by BinTreeEnumFirst
|
|
//
|
|
UINT BinTreeEnumNext(PUINT pEnum);
|
|
|
|
//
|
|
// turns the binary tree to insertion order - can only be
|
|
// done if the binary tree contains 0 or 1 nodes. return
|
|
// TRUE if conversion is successful, or if binary tree is
|
|
// already in Insertion-Ordered mode.
|
|
//
|
|
BOOL BinTreeSetInsertionOrdered(UINT TreeOffset);
|
|
|
|
|
|
|
|
//
|
|
// number of nodes in tree
|
|
//
|
|
UINT BinTreeSize(UINT TreeOffset);
|
|
|
|
|
|
|
|
#ifdef DEBUG
|
|
|
|
//
|
|
// maximum depth of tree
|
|
//
|
|
int BinTreeMaxDepth(UINT TreeOffset);
|
|
|
|
//
|
|
// displays tree. strsize is length of strings to display
|
|
//
|
|
void BinTreePrint(UINT TreeOffset);
|
|
|
|
//
|
|
// checks to make sure tree is valid and good
|
|
//
|
|
BOOL BinTreeCheck(UINT TreeOffset);
|
|
|
|
#else
|
|
|
|
#define BinTreePrint(a)
|
|
#define BinTreeCheck(a)
|
|
|
|
#endif
|
|
|