ftp.nice.ch/pub/next/connectivity/infosystems/Archie.2.18.s.tar.gz#/Archie/prospero.subproj/atalloc.c

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/*
 * Copyright (c) 1989, 1990 by the University of Washington
 *
 * For copying and distribution information, please see the file
 * <copyright.h>.
 *
 * v1.1.2 - gf  11/02/91 - renamed ZERO() to BZERO() for X
 */

#include <copyright.h>
#include <stdio.h>

#include <pfs.h>
#include <pmachine.h> /* for correct definition of bzero, used by BZERO */

/* gf */
extern char *malloc();

static PATTRIB	lfree = NULL;
int		pattrib_count = 0;
int		pattrib_max = 0;

/*
 * atalloc - allocate and initialize vlink structure
 *
 *    ATALLOC returns a pointer to an initialized structure of type
 *    PATTRIB.  If it is unable to allocate such a structure, it
 *    returns NULL.
 */
PATTRIB
atalloc()
    {
	PATTRIB	at;
	if(lfree) {
	    at = lfree;
	    lfree = lfree->next;
	}
	else {
	    at = (PATTRIB) malloc(sizeof(PATTRIB_ST));
	    if (!at) return(NULL);
	    pattrib_max++;
	}

	pattrib_count++;

	BZERO(at);
	/* Initialize and fill in default values; all items are
	   0 [or NULL] save precedence */
	at->precedence = ATR_PREC_OBJECT;

	return(at);
    }

/*
 * atfree - free a PATTRIB structure
 *
 *    ATFREE takes a pointer to a PATTRRIB structure and adds it to
 *    the free list for later reuse.
 */
void
atfree(at)
    PATTRIB	at;
    {
	if(at->aname) stfree(at->aname);

	if((strcmp(at->avtype,"ASCII") == 0) && at->value.ascii) 
	    stfree(at->value.ascii);
	if((strcmp(at->avtype,"LINK") == 0) && at->value.link) 
	    vlfree(at->value.link);
	
	if(at->avtype) stfree(at->avtype);

	at->next = lfree;
	at->previous = NULL;
	lfree = at;
	pattrib_count--;
    }

/*
 * atlfree - free a PATTRIB structure
 *
 *    ATLFREE takes a pointer to a PATTRIB structure frees it and any linked
 *    PATTRIB structures.  It is used to free an entrie list of PATTRIB
 *    structures.
 */
void
atlfree(at)
    PATTRIB	at;
    {
	PATTRIB	nxt;

	while(at != NULL) {
	    nxt = at->next;
	    atfree(at);
	    at = nxt;
	}
    }

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.