From 75f727564c6335968600b22ffc11f9a24318bc14 Mon Sep 17 00:00:00 2001
From: Dan McDonald <danmcd@sun.com>
Date: Thu, 11 Dec 2008 18:23:00 -0500
Subject: [PATCH] 6775831 UNIX03/UNIX98: *vsx* /usr/include/sys/un.h does not
 ensure size_t is defined

---
 usr/src/uts/common/sys/un.h | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/usr/src/uts/common/sys/un.h b/usr/src/uts/common/sys/un.h
index 1e7ce86699..207b2335b0 100644
--- a/usr/src/uts/common/sys/un.h
+++ b/usr/src/uts/common/sys/un.h
@@ -56,15 +56,30 @@ struct	sockaddr_un {
 	char		sun_path[108];		/* path name (gag) */
 };
 
+#if (!defined(_XOPEN_SOURCE) && !defined(_POSIX_C_SOURCE)) || \
+    defined(__EXTENSIONS__)
 /*
  * NOTE: If we ever go to BSD-style sun_len + sun_family, this macro needs to
  * change.
  *
- * Also, include a strlen() prototype.
+ * Also, include a strlen() prototype, and we have to protect it w.r.t.
+ * UNIX{98,03}.  And because there's strlen, we need size_t as well.
  */
+#if !defined(_SIZE_T) || __cplusplus >= 199711L
+#define	_SIZE_T
+#if defined(_LP64) || defined(_I32LPx)
+typedef	ulong_t	size_t;		/* size of something in bytes */
+#else
+typedef	uint_t	size_t;		/* (historical version) */
+#endif
+#endif	/* _SIZE_T */
+
 extern size_t strlen(const char *);
+
 #define	SUN_LEN(su)	(sizeof (sa_family_t) + strlen((su)->sun_path))
 
+#endif	/* (!defined(_XOPEN_SOURCE) && !defined(_POSIX_C_SOURCE)) || ... */
+
 #ifdef _KERNEL
 int	unp_discard();
 #endif
-- 
2.11.4.GIT