58 lines
2.0 KiB
C
58 lines
2.0 KiB
C
/*****************************************************************************
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* (c) Copyright 1992 Wide Area Information Servers, Inc *
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* of California. All rights reserved. *
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* *
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* This notice is intended as a precaution against inadvertent publication *
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* and does not constitute an admission or acknowledgement that publication *
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* has occurred or constitute a waiver of confidentiality. *
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* *
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* Wide Area Information Server software is the proprietary and *
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* confidential property of Wide Area Information Servers, Inc. *
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*****************************************************************************/
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#ifndef list_h
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#define list_h
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#include "cutil.h"
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/*---------------------------------------------------------------------------*/
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typedef struct listStruct
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{ void** elems;
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long len;
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long rlen;
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} listStruct;
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#define list listStruct*
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#define length(l) (long)(((l) == NULL) ? 0L : (l)->len)
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#define nth(l,n) \
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(((l) == NULL || length((l)) <= (n)) ? NULL : (l)->elems[(n)])
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#define car(l) (nth((l),0L))
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#define cadr(l) (nth((l),2L))
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#define cdr(l) (removeNth((l),0L))
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#define first(l) (car(l))
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#define last(l) (nth((l),length((l))-1L))
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#define rest(l) (cdr(l))
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#define setfNth(l,n,elem) \
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(((l) == NULL || length((l)) <= (n)) ? 0 : ((l)->elems[(n)] = (elem)))
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#define setfCar(l,elem) (setfNth((l),0L,(elem)))
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#define null(l) (((l) == NULL || length((l)) == 0L) ? true : false)
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void mapcar(list l,void function (void* argument));
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list collecting(list l,void *item);
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void freeList(list l);
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void sortList(list l,long (*cmp)(void* arg1,void* arg2));
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list insertNth(list l,long n,void* elem);
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list removeNth(list l,long n);
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boolean lookupInSortedList(list l,void* val,
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long (*cmpFunc)(void* arg1,void* arg2),
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long* posInList);
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void* pop(list* l);
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void push(list* l,void* elem);
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/*---------------------------------------------------------------------------*/
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#endif
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