Fix missing LIST_HEAD

Despite the presence of 'sys/queue.h' in some stdlib implementations (i.e. uclibc) 'LIST_HEAD' macro can be missing. This fix defines this macro in the same manner as was done previously for 'TAILQ_'. Fixes: libevent#539 Closes: libevent#639 (cherry-picked) Backport: 2.1.9
superzgg · Oct 20, 2018 · 9591875 · 9591875
1 parent 4c61a04
commit 9591875
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diff --git a/buffer.c b/buffer.c
@@ -95,6 +95,7 @@
 #include "evthread-internal.h"
 #include "evbuffer-internal.h"
 #include "bufferevent-internal.h"
+#include "event-internal.h"
 
 /* some systems do not have MAP_FAILED */
 #ifndef MAP_FAILED

diff --git a/event-internal.h b/event-internal.h
@@ -368,6 +368,10 @@ struct event_config {
 };
 
 /* Internal use only: Functions that might be missing from <sys/queue.h> */
+#ifndef LIST_END
+#define LIST_END(head)			NULL
+#endif
+
 #ifndef TAILQ_FIRST
 #define	TAILQ_FIRST(head)		((head)->tqh_first)
 #endif