diff options
author | Yang Tse <yangsita@gmail.com> | 2007-10-02 02:18:01 +0000 |
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committer | Yang Tse <yangsita@gmail.com> | 2007-10-02 02:18:01 +0000 |
commit | b03abddb283fd0c04ce1d70de078175b0c32f563 (patch) | |
tree | 67f42e41935922a8b8c69e1e7eb5e8222b26937f /ares/ares_llist.h | |
parent | ccf083e26da3279c6528244d4bbc585304b551bc (diff) |
Avoid inline C99ism, and move c-ares routines for managing doubly-linked lists.
Diffstat (limited to 'ares/ares_llist.h')
-rw-r--r-- | ares/ares_llist.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/ares/ares_llist.h b/ares/ares_llist.h new file mode 100644 index 000000000..d20af7e15 --- /dev/null +++ b/ares/ares_llist.h @@ -0,0 +1,43 @@ +#ifndef __ARES_LLIST_H +#define __ARES_LLIST_H + +/* $Id$ */ + +/* Copyright 1998 by the Massachusetts Institute of Technology. + * + * Permission to use, copy, modify, and distribute this + * software and its documentation for any purpose and without + * fee is hereby granted, provided that the above copyright + * notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting + * documentation, and that the name of M.I.T. not be used in + * advertising or publicity pertaining to distribution of the + * software without specific, written prior permission. + * M.I.T. makes no representations about the suitability of + * this software for any purpose. It is provided "as is" + * without express or implied warranty. + */ + + +/* Node definition for circular, doubly-linked list */ +struct list_node { + struct list_node *prev; + struct list_node *next; + void* data; +}; + +void ares__init_list_head(struct list_node* head); + +void ares__init_list_node(struct list_node* node, void* d); + +int ares__is_list_empty(struct list_node* head); + +void ares__insert_in_list(struct list_node* new_node, + struct list_node* old_node); + +void ares__remove_from_list(struct list_node* node); + +void ares__swap_lists(struct list_node* head_a, + struct list_node* head_b); + +#endif /* __ARES_LLIST_H */ |