From c9d09431b982b44ebec5b1ca0913e80f13aba809 Mon Sep 17 00:00:00 2001
From: Yabin Cui <yabinc@google.com>
Date: Fri, 13 Feb 2015 10:52:35 -0800
Subject: [PATCH] Declare getgrent/setgrent/endgrent as missing.

Bug: 19340053
Change-Id: I42bfeda95e6f262e2e74ab47336ea346c2de7e4a
---
 libc/include/grp.h       | 6 +++---
 libc/include/sys/cdefs.h | 6 ++++--
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/libc/include/grp.h b/libc/include/grp.h
index fc4d52031..ab900223a 100644
--- a/libc/include/grp.h
+++ b/libc/include/grp.h
@@ -54,9 +54,9 @@ __BEGIN_DECLS
 struct group	*getgrgid(gid_t);
 struct group	*getgrnam(const char *);
 #if __POSIX_VISIBLE >= 200112 || __XPG_VISIBLE
-struct group	*getgrent(void);
-void		 setgrent(void);
-void		 endgrent(void);
+struct group	*getgrent(void) __errorattr("This function is meaningless on Android.");
+__errordecl(setgrent, "This function is meaningless on Android.");
+__errordecl(endgrent, "This function is meaningless on Android.");
 int		 getgrgid_r(gid_t, struct group *, char *,
 		    size_t, struct group **);
 int		 getgrnam_r(const char *, struct group *, char *,
diff --git a/libc/include/sys/cdefs.h b/libc/include/sys/cdefs.h
index 48763d730..1d33895e9 100644
--- a/libc/include/sys/cdefs.h
+++ b/libc/include/sys/cdefs.h
@@ -335,13 +335,15 @@
 #endif
 
 #if __GNUC_PREREQ(4, 3)
-#define __errordecl(name, msg) extern void name(void) __attribute__((__error__(msg)))
+#define __errorattr(msg) __attribute__((__error__(msg)))
 #define __warnattr(msg) __attribute__((__warning__(msg)))
 #else
-#define __errordecl(name, msg) extern void name(void)
+#define __errorattr(msg)
 #define __warnattr(msg)
 #endif
 
+#define __errordecl(name, msg) extern void name(void) __errorattr(msg)
+
 /*
  * Some BSD source needs these macros.
  * Originally they embedded the rcs versions of each source file