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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libobjc/] [objc-private/] [objc-list.h] - Rev 796
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/* Generic single linked list to keep various information Copyright (C) 1993, 1994, 1996, 2009, 2010 Free Software Foundation, Inc. Contributed by Kresten Krab Thorup. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. Under Section 7 of GPL version 3, you are granted additional permissions described in the GCC Runtime Library Exception, version 3.1, as published by the Free Software Foundation. You should have received a copy of the GNU General Public License and a copy of the GCC Runtime Library Exception along with this program; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __GNU_OBJC_LIST_H #define __GNU_OBJC_LIST_H struct objc_list { void *head; struct objc_list *tail; }; /* Return a cons cell produced from (head . tail). */ static inline struct objc_list* list_cons (void* head, struct objc_list* tail) { struct objc_list* cell; cell = (struct objc_list*)objc_malloc (sizeof (struct objc_list)); cell->head = head; cell->tail = tail; return cell; } /* Remove the element at the head by replacing it by its successor. */ static inline void list_remove_head (struct objc_list** list) { if ((*list)->tail) { /* Fetch next. */ struct objc_list* tail = (*list)->tail; /* Copy next to list head. */ *(*list) = *tail; /* Free next. */ objc_free (tail); } else { /* Inly one element in list. */ objc_free (*list); (*list) = 0; } } /* Map FUNCTION over all elements in LIST. */ static inline void list_mapcar (struct objc_list* list, void(*function)(void*)) { while (list) { (*function) (list->head); list = list->tail; } } /* Free list (backwards recursive). */ static inline void list_free (struct objc_list* list) { if(list) { list_free (list->tail); objc_free (list); } } #endif /* not __GNU_OBJC_LIST_H */
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