From: Vincent Bernat <vbernat@wanadooportails.com>
Date: Fri, 12 Dec 2008 09:55:42 +0000 (+0100)
Subject: Add SLIST support for libc not shipping it (like Sarge)
X-Git-Tag: 0.3~8
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9d09937f2fad244edb796e1cdefbfff380788806;p=thirdparty%2Flldpd.git

Add SLIST support for libc not shipping it (like Sarge)
---

diff --git a/configure.ac b/configure.ac
index c723c10f..ad354037 100644
--- a/configure.ac
+++ b/configure.ac
@@ -40,6 +40,8 @@ AC_ARG_WITH(privsep-chroot,
 
 # Checks for header files.
 AC_CHECK_DECLS([TAILQ_FIRST, TAILQ_NEXT, TAILQ_FOREACH, TAILQ_EMPTY],[],[],[[#include <sys/queue.h>]])
+AC_CHECK_DECLS([SLIST_HEAD, SLIST_ENTRY, SLIST_INIT, SLIST_INSERT_HEAD],[],[],[[#include <sys/queue.h>]])
+AC_CHECK_DECLS([SLIST_FIRST, SLIST_NEXT, SLIST_REMOVE_HEAD, SLIST_EMPTY],[],[],[[#include <sys/queue.h>]])
 AC_CHECK_DECLS([PACKET_ORIGDEV],[],[],[[#include <linux/if_packet.h>]])
 AC_CHECK_DECLS([ADVERTISED_2500baseX_Full, ADVERTISED_Pause, ADVERTISED_Asym_Pause],
 					   [],[],[[#include <linux/ethtool.h>]])
diff --git a/src/compat.h b/src/compat.h
index 21235637..ac649d30 100644
--- a/src/compat.h
+++ b/src/compat.h
@@ -48,6 +48,51 @@
 #define	TAILQ_EMPTY(head)		((head)->tqh_first == NULL)
 #endif
 
+#if !HAVE_DECL_SLIST_HEAD
+#define	SLIST_HEAD(name, type)						\
+struct name {								\
+	struct type *slh_first;	/* first element */			\
+}
+#endif
+
+#if !HAVE_DECL_SLIST_ENTRY
+#define	SLIST_ENTRY(type)						\
+struct {								\
+	struct type *sle_next;	/* next element */			\
+}
+#endif
+
+#if !HAVE_DECL_SLIST_INIT
+#define	SLIST_INIT(head) do {						\
+	(head)->slh_first = NULL;					\
+} while (/*CONSTCOND*/0)
+#endif
+
+#if !HAVE_DECL_SLIST_INSERT_HEAD
+#define	SLIST_INSERT_HEAD(head, elm, field) do {			\
+	(elm)->field.sle_next = (head)->slh_first;			\
+	(head)->slh_first = (elm);					\
+} while (/*CONSTCOND*/0)
+#endif
+
+#if !HAVE_DECL_SLIST_REMOVE_HEAD
+#define	SLIST_REMOVE_HEAD(head, field) do {				\
+	(head)->slh_first = (head)->slh_first->field.sle_next;		\
+} while (/*CONSTCOND*/0)
+#endif
+
+#if !HAVE_DECL_SLIST_EMPTY
+#define	SLIST_EMPTY(head)	((head)->slh_first == NULL)
+#endif
+
+#if !HAVE_DECL_SLIST_FIRST
+#define	SLIST_FIRST(head)	((head)->slh_first)
+#endif
+
+#if !HAVE_DECL_SLIST_NEXT
+#define	SLIST_NEXT(elm, field)	((elm)->field.sle_next)
+#endif
+
 #if !HAVE_DECL_ADVERTISED_PAUSE
 #define ADVERTISED_Pause (1 << 13)
 #endif