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/*
* Crossfire -- cooperative multi-player graphical RPG and adventure game
*
* Copyright (c) 1999-2014 Mark Wedel and the Crossfire Development Team
* Copyright (c) 1992 Frank Tore Johansen
*
* Crossfire is free software and comes with ABSOLUTELY NO WARRANTY. You are
* welcome to redistribute it under certain conditions. For details, please
* see COPYING and LICENSE.
*
* The authors can be reached via e-mail at <crossfire@metalforge.org>.
*/
/**
* @file links.c
* Utility functions for links between objects.
*/
#include "global.h"
#include <stdlib.h>
/**
* Allocates a new objectlink structure, initialises it, and returns
* a pointer to it.
*
* @note
* will call fatal() if memory allocation failure, thus never return NULL.
*
* @return
* new link object, cleared.
*/
objectlink *get_objectlink(void) {
// Calloc will set these to 0
objectlink *ol = (objectlink *)calloc(1, sizeof(objectlink));
if (!ol)
fatal(OUT_OF_MEMORY);
return ol;
}
/**
* Allocates a new oblinkpt structure, initialises it, and returns
* a pointer to it.
*
* @note
* will call fatal() if memory allocation failure, thus never return NULL.
*
* @return
* new link pointer.
*/
oblinkpt *get_objectlinkpt(void) {
// Calloc sets the values to 0 already
oblinkpt *obp = (oblinkpt *)calloc(1, sizeof(oblinkpt));
if (!obp)
fatal(OUT_OF_MEMORY);
return obp;
}
/**
* Recursively frees all objectlinks.
*
* @param ol
* object link to free.
*/
void free_objectlink(objectlink *ol) {
if (ol->next)
free_objectlink(ol->next);
free(ol);
}
/**
* Recursively frees all linked list of objectlink pointers
*
* @param obp
* pointer to free.
*/
void free_objectlinkpt(oblinkpt *obp) {
if (obp->next)
free_objectlinkpt(obp->next);
if (obp->link)
free_objectlink(obp->link);
free(obp);
}
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