wmcube/wmgeneral/list.h

   1 /* Generic single linked list to keep various information
   2    Copyright (C) 1993, 1994 Free Software Foundation, Inc.
   3
   4 Author: Kresten Krab Thorup
   5
   6 Modified by Douglas Torrance
   7
   8 This file is part of GNU CC.
   9
  10 GNU CC is free software; you can redistribute it and/or modify
  11 it under the terms of the GNU General Public License as published by
  12 the Free Software Foundation; either version 2, or (at your option)
  13 any later version.
  14
  15 GNU CC is distributed in the hope that it will be useful,
  16 but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 GNU General Public License for more details.
  19
  20 You should have received a copy of the GNU General Public License
  21 along with GNU CC; see the file COPYING.  If not, write to
  22 the Free Software Foundation, 59 Temple Place - Suite 330,
  23 Boston, MA 02111-1307, USA.  */
  24
  25 /* As a special exception, if you link this library with files compiled with
  26    GCC to produce an executable, this does not cause the resulting executable
  27    to be covered by the GNU General Public License. This exception does not
  28    however invalidate any other reasons why the executable file might be
  29    covered by the GNU General Public License.  */
  30
  31 #ifndef __LIST_H_
  32 #define __LIST_H_
  33
  34 typedef struct LinkedList {
  35   void *head;
  36   struct LinkedList *tail;
  37 } LinkedList;
  38
  39 LinkedList* list_cons(void* head, LinkedList* tail);
  40
  41 int list_length(LinkedList* list);
  42
  43 void* list_nth(int index, LinkedList* list);
  44
  45 void list_remove_head(LinkedList** list);
  46
  47 LinkedList *list_remove_elem(LinkedList* list, void* elem);
  48
  49 void list_mapcar(LinkedList* list, void(*function)(void*));
  50
  51 LinkedList*list_find(LinkedList* list, void* elem);
  52
  53 void list_free(LinkedList* list);
  54
  55 #endif