X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Favl.h;h=458f99fd483bcf5798a0c4019bb4504e9a9b54c5;hb=4fcab959c02ef360373e055f8a739f16286e8112;hp=46a1e7667a379fc5c9c914afc944174ff66b7da9;hpb=fcbca73f90d6f4dd09e7ff34533b6ac1baff2135;p=openldap diff --git a/include/avl.h b/include/avl.h index 46a1e7667a..458f99fd48 100644 --- a/include/avl.h +++ b/include/avl.h @@ -1,6 +1,19 @@ /* avl.h - avl tree definitions */ -/* - * Copyright (c) 1993 Regents of the University of Michigan. +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software . + * + * Copyright 1998-2005 The OpenLDAP Foundation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted only as authorized by the OpenLDAP + * Public License. + * + * A copy of this license is available in file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * . + */ +/* Portions Copyright (c) 1993 Regents of the University of Michigan. * All rights reserved. * * Redistribution and use in source and binary forms are permitted @@ -15,42 +28,88 @@ #ifndef _AVL #define _AVL +#include + /* * this structure represents a generic avl tree node. */ -typedef struct avlnode { - caddr_t avl_data; - signed char avl_bf; +LDAP_BEGIN_DECL + +typedef struct avlnode Avlnode; + +struct avlnode { + void* avl_data; + signed int avl_bf; struct avlnode *avl_left; struct avlnode *avl_right; -} Avlnode; +}; + +#ifdef AVL_INTERNAL #define NULLAVL ((Avlnode *) NULL) /* balance factor values */ -#define LH -1 +#define LH (-1) #define EH 0 #define RH 1 /* avl routines */ -#define avl_getone(x) (x == 0 ? 0 : (x)->avl_data) -#define avl_onenode(x) (x == 0 || ((x)->avl_left == 0 && (x)->avl_right == 0)) -extern int avl_insert(); -extern caddr_t avl_delete(); -extern caddr_t avl_find(); -extern caddr_t avl_getfirst(); -extern caddr_t avl_getnext(); -extern int avl_dup_error(); -extern int avl_apply(); +#define avl_getone(x) ((x) == 0 ? 0 : (x)->avl_data) +#define avl_onenode(x) ((x) == 0 || ((x)->avl_left == 0 && (x)->avl_right == 0)) + +#endif /* AVL_INTERNALS */ + +typedef int (*AVL_APPLY) LDAP_P((void *, void*)); +typedef int (*AVL_CMP) LDAP_P((const void*, const void*)); +typedef int (*AVL_DUP) LDAP_P((void*, void*)); +typedef void (*AVL_FREE) LDAP_P((void*)); + +LDAP_AVL_F( int ) +avl_free LDAP_P(( Avlnode *root, AVL_FREE dfree )); + +LDAP_AVL_F( int ) +avl_insert LDAP_P((Avlnode **, void*, AVL_CMP, AVL_DUP)); + +LDAP_AVL_F( void* ) +avl_delete LDAP_P((Avlnode **, void*, AVL_CMP)); + +LDAP_AVL_F( void* ) +avl_find LDAP_P((Avlnode *, const void*, AVL_CMP)); + +LDAP_AVL_F( Avlnode* ) +avl_find2 LDAP_P((Avlnode *, const void*, AVL_CMP)); + +LDAP_AVL_F( void* ) +avl_find_lin LDAP_P((Avlnode *, const void*, AVL_CMP)); + +#ifdef AVL_NONREENTRANT +LDAP_AVL_F( void* ) +avl_getfirst LDAP_P((Avlnode *)); + +LDAP_AVL_F( void* ) +avl_getnext LDAP_P((void)); +#endif + +LDAP_AVL_F( int ) +avl_dup_error LDAP_P((void*, void*)); + +LDAP_AVL_F( int ) +avl_dup_ok LDAP_P((void*, void*)); + +LDAP_AVL_F( int ) +avl_apply LDAP_P((Avlnode *, AVL_APPLY, void*, int, int)); + +LDAP_AVL_F( int ) +avl_prefixapply LDAP_P((Avlnode *, void*, AVL_CMP, void*, AVL_CMP, void*, int)); /* apply traversal types */ #define AVL_PREORDER 1 #define AVL_INORDER 2 #define AVL_POSTORDER 3 /* what apply returns if it ran out of nodes */ -#define AVL_NOMORE -6 +#define AVL_NOMORE (-6) -typedef int (*IFP)(); +LDAP_END_DECL #endif /* _AVL */