From 8c7f0a896773b325db79e4a03d07b0193888c058 Mon Sep 17 00:00:00 2001
From: John Scipione <jscipione@gmail.com>
Date: Mon, 5 Mar 2012 20:17:26 -0500
Subject: [PATCH] Cleanup the flags and make them the same as FreeBSD

---
 src/build/libroot/fs_darwin.cpp |  8 --------
 src/build/libroot/fs_darwin.h   | 20 +++++++++++++-------
 2 files changed, 13 insertions(+), 15 deletions(-)

diff --git a/src/build/libroot/fs_darwin.cpp b/src/build/libroot/fs_darwin.cpp
index 61311dc362..86206df0f7 100644
--- a/src/build/libroot/fs_darwin.cpp
+++ b/src/build/libroot/fs_darwin.cpp
@@ -279,14 +279,6 @@ fchownat(int fd, const char* path, uid_t owner, gid_t group, int flag)
 int
 fstatat(int fd, const char *path, struct stat *st, int flag)
 {
-	if ((flag & AT_NO_AUTOMOUNT) == 0) {
-		// Don't automount the terminal ("basename") component of pathname if
-		// it is a directory that is an automount point.
-		// CURRENTLY UNSUPPORTED
-		errno = ENOTSUP;
-		return -1;
-	}
-
 	if ((flag & AT_SYMLINK_NOFOLLOW) == 0) {
 		// do not dereference, instead return information about the link
 		// itself
diff --git a/src/build/libroot/fs_darwin.h b/src/build/libroot/fs_darwin.h
index 8592b04a13..1ac2e86620 100644
--- a/src/build/libroot/fs_darwin.h
+++ b/src/build/libroot/fs_darwin.h
@@ -5,15 +5,21 @@
 #ifndef FS_DARWIN_H
 #define FS_DARWIN_H
 
-/* flags for the *at() functions */
-#define AT_FDCWD		(-1)		/* CWD FD for the *at() functions */
+/*
+ * Magic value that specify the use of the current working directory
+ * to determine the target of relative file paths in the openat() and
+ * similar syscalls.
+ */
+#define AT_FDCWD			-100	/* CWD FD for the *at() functions */
 
-#define AT_SYMLINK_NOFOLLOW	0x01	/* fstatat(), fchmodat(), fchownat(),
+/*
+ * Miscellaneous flags for the *at() syscalls.
+ */
+#define AT_EACCESS			0x100	/* faccessat() */
+#define AT_SYMLINK_NOFOLLOW	0x200	/* fstatat(), fchmodat(), fchownat(),
 										utimensat() */
-#define AT_SYMLINK_FOLLOW	0x02	/* linkat() */
-#define AT_REMOVEDIR		0x04	/* unlinkat() */
-#define AT_EACCESS			0x08	/* faccessat() */
-#define AT_NO_AUTOMOUNT		0x10	/* fstatat */
+#define AT_SYMLINK_FOLLOW	0x400	/* linkat() */
+#define AT_REMOVEDIR		0x800	/* unlinkat() */
 
 int eaccess(const char* path, int accessMode);
 int faccessat(int fd, const char* path, int accessMode, int flag);