server/src/util/lists.h

/*
Copyright (c) 1998-2010, Enno Rehling <enno@eressea.de>
                         Katja Zedel <katze@felidae.kn-bremen.de
                         Christian Schlittchen <corwin@amber.kn-bremen.de>

Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
**/

#ifndef LISTS_H
#define LISTS_H
#ifdef __cplusplus
extern "C" {
#endif

#include <stddef.h>

typedef struct void_list {
  struct void_list * next;
  void * data;
} void_list;

#define list_foreach(type, list, item) item=list; while (item!=NULL) { type* __next__=item->next;
#define list_continue(item) { item=__next__; continue; }
#define list_next(item) item=__next__; }

void addlist(void *l1, void *p1);
void choplist(void * l, void * p);
void translist(void *l1, void *l2, void *p);
#ifndef MALLOCDBG
void freelist(void *p1);
void removelist(void *l, void *p);
#else
#define freelist(p) { while (p) { void * p2 = p->next; free(p); p = p2; } }
#define removelist(l,p) { choplist(l, p); free(p); }
#endif

unsigned int listlen(void *l);
#define addlist2(l, p)       (*l = p, l = &p->next)

void *listelem(void *l, int n);

#ifdef __cplusplus
}
#endif
#endif