diff options
Diffstat (limited to 'extra/libevent/event-internal.h')
| -rw-r--r-- | extra/libevent/event-internal.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/extra/libevent/event-internal.h b/extra/libevent/event-internal.h index c24c784d866..59a089ddec4 100644 --- a/extra/libevent/event-internal.h +++ b/extra/libevent/event-internal.h @@ -69,14 +69,17 @@ struct event_base { }; /* Internal use only: Functions that might be missing from <sys/queue.h> */ -#ifndef HAVE_TAILQFOREACH /* These following macros are copied from BSD sys/queue.h Copyright (c) 1991, 1993, The Regents of the University of California. All rights reserved. */ +#ifndef TAILQ_EMPTY +#define TAILQ_EMPTY(head) ((head)->tqh_first == NULL) #define TAILQ_FIRST(head) ((head)->tqh_first) #define TAILQ_END(head) NULL #define TAILQ_NEXT(elm, field) ((elm)->field.tqe_next) +#endif /* TAILQ_EMPTY */ +#ifndef HAVE_TAILQFOREACH #define TAILQ_FOREACH(var, head, field) \ for((var) = TAILQ_FIRST(head); \ (var) != TAILQ_END(head); \ |