mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-21 11:13:30 +00:00
163 lines
5.3 KiB
C
163 lines
5.3 KiB
C
/*
|
|
* Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
|
|
* Copyright (c) 1988, 1989 by Adam de Boor
|
|
* Copyright (c) 1989 by Berkeley Softworks
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Adam de Boor.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* from: @(#)lst.h 8.1 (Berkeley) 6/6/93
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*-
|
|
* lst.h --
|
|
* Header for using the list library
|
|
*/
|
|
#ifndef _LST_H_
|
|
#define _LST_H_
|
|
|
|
#include <sys/param.h>
|
|
#ifdef __STDC__
|
|
#include <stdlib.h>
|
|
#endif
|
|
#include "sprite.h"
|
|
|
|
/*
|
|
* basic typedef. This is what the Lst_ functions handle
|
|
*/
|
|
|
|
typedef struct Lst *Lst;
|
|
typedef struct LstNode *LstNode;
|
|
|
|
/*
|
|
* NOFREE can be used as the freeProc to Lst_Destroy when the elements are
|
|
* not to be freed.
|
|
* NOCOPY performs similarly when given as the copyProc to Lst_Duplicate.
|
|
*/
|
|
#define NOFREE ((void (*) __P((void *))) 0)
|
|
#define NOCOPY ((void * (*) __P((void *))) 0)
|
|
|
|
#define LST_CONCNEW 0 /* create new LstNode's when using Lst_Concat */
|
|
#define LST_CONCLINK 1 /* relink LstNode's when using Lst_Concat */
|
|
|
|
/*
|
|
* Creation/destruction functions
|
|
*/
|
|
/* Create a new list */
|
|
Lst Lst_Init __P((Boolean));
|
|
/* Duplicate an existing list */
|
|
Lst Lst_Duplicate __P((Lst, void * (*)(void *)));
|
|
/* Destroy an old one */
|
|
void Lst_Destroy __P((Lst, void (*)(void *)));
|
|
/* True if list is empty */
|
|
Boolean Lst_IsEmpty __P((Lst));
|
|
|
|
/*
|
|
* Functions to modify a list
|
|
*/
|
|
/* Insert an element before another */
|
|
ReturnStatus Lst_Insert __P((Lst, LstNode, void *));
|
|
/* Insert an element after another */
|
|
ReturnStatus Lst_Append __P((Lst, LstNode, void *));
|
|
/* Place an element at the front of a lst. */
|
|
ReturnStatus Lst_AtFront __P((Lst, void *));
|
|
/* Place an element at the end of a lst. */
|
|
ReturnStatus Lst_AtEnd __P((Lst, void *));
|
|
/* Remove an element */
|
|
ReturnStatus Lst_Remove __P((Lst, LstNode));
|
|
/* Replace a node with a new value */
|
|
ReturnStatus Lst_Replace __P((LstNode, void *));
|
|
/* Concatenate two lists */
|
|
ReturnStatus Lst_Concat __P((Lst, Lst, int));
|
|
|
|
/*
|
|
* Node-specific functions
|
|
*/
|
|
/* Return first element in list */
|
|
LstNode Lst_First __P((Lst));
|
|
/* Return last element in list */
|
|
LstNode Lst_Last __P((Lst));
|
|
/* Return successor to given element */
|
|
LstNode Lst_Succ __P((LstNode));
|
|
/* Get datum from LstNode */
|
|
void * Lst_Datum __P((LstNode));
|
|
|
|
/*
|
|
* Functions for entire lists
|
|
*/
|
|
/* Find an element in a list */
|
|
LstNode Lst_Find __P((Lst, void *,
|
|
int (*)(void *, void *)));
|
|
/* Find an element starting from somewhere */
|
|
LstNode Lst_FindFrom __P((Lst, LstNode, void *,
|
|
int (*cProc)(void *, void *)));
|
|
/*
|
|
* See if the given datum is on the list. Returns the LstNode containing
|
|
* the datum
|
|
*/
|
|
LstNode Lst_Member __P((Lst, void *));
|
|
/* Apply a function to all elements of a lst */
|
|
void Lst_ForEach __P((Lst, int (*)(void *, void *),
|
|
void *));
|
|
/*
|
|
* Apply a function to all elements of a lst starting from a certain point.
|
|
* If the list is circular, the application will wrap around to the
|
|
* beginning of the list again.
|
|
*/
|
|
void Lst_ForEachFrom __P((Lst, LstNode,
|
|
int (*)(void *, void *),
|
|
void *));
|
|
/*
|
|
* these functions are for dealing with a list as a table, of sorts.
|
|
* An idea of the "current element" is kept and used by all the functions
|
|
* between Lst_Open() and Lst_Close().
|
|
*/
|
|
/* Open the list */
|
|
ReturnStatus Lst_Open __P((Lst));
|
|
/* Next element please */
|
|
LstNode Lst_Next __P((Lst));
|
|
/* Done yet? */
|
|
Boolean Lst_IsAtEnd __P((Lst));
|
|
/* Finish table access */
|
|
void Lst_Close __P((Lst));
|
|
|
|
/*
|
|
* for using the list as a queue
|
|
*/
|
|
/* Place an element at tail of queue */
|
|
ReturnStatus Lst_EnQueue __P((Lst, void *));
|
|
/* Remove an element from head of queue */
|
|
void * Lst_DeQueue __P((Lst));
|
|
|
|
#endif /* _LST_H_ */
|