From f93c56c2ddbf7346e425bfb9271fdf6782c5a037 Mon Sep 17 00:00:00 2001
From: Andreas Joachim Peters <andreas.joachim.peters@cern.ch>
Date: Thu, 23 May 2024 13:47:33 +0200
Subject: [PATCH] S3: add MacOSX xattr translation

---
 src/XrdS3/XrdS3ObjectStore.cc |  1 +
 src/XrdS3/XrdS3Utils.cc       |  1 +
 src/XrdS3/XrdS3XAttr.hh       | 65 +++++++++++++++++++++++++++++++++++
 3 files changed, 67 insertions(+)
 create mode 100644 src/XrdS3/XrdS3XAttr.hh

diff --git a/src/XrdS3/XrdS3ObjectStore.cc b/src/XrdS3/XrdS3ObjectStore.cc
index cab5d576198..09a537dcf8c 100644
--- a/src/XrdS3/XrdS3ObjectStore.cc
+++ b/src/XrdS3/XrdS3ObjectStore.cc
@@ -279,6 +279,7 @@ S3ObjectStore::Object::~Object() {
 }
 
 // TODO: Replace with the real XrdPosix_Listxattr once implemented.
+#include "XrdS3XAttr.hh"
 #define XrdPosix_Listxattr listxattr
 
 //------------------------------------------------------------------------------
diff --git a/src/XrdS3/XrdS3Utils.cc b/src/XrdS3/XrdS3Utils.cc
index 406deb70970..a6f2c6518eb 100644
--- a/src/XrdS3/XrdS3Utils.cc
+++ b/src/XrdS3/XrdS3Utils.cc
@@ -322,6 +322,7 @@ std::string S3Utils::GetXattr(const std::filesystem::path &path,
 }
 
 #include <sys/xattr.h>
+#include "XrdS3XAttr.hh"
 #define XrdPosix_Setxattr setxattr
 // TODO: Replace by XrdPosix_Setxattr once implemented
 
diff --git a/src/XrdS3/XrdS3XAttr.hh b/src/XrdS3/XrdS3XAttr.hh
new file mode 100644
index 00000000000..faa33a5ef7d
--- /dev/null
+++ b/src/XrdS3/XrdS3XAttr.hh
@@ -0,0 +1,65 @@
+//------------------------------------------------------------------------------
+// Copyright (c) 2024 by European Organization for Nuclear Research (CERN)
+// Author: Andreas-Joachim Peters / CERN EOS Project <andreas.joachim.peters@cern.ch>
+//------------------------------------------------------------------------------
+// This file is part of the XRootD software suite.
+//
+// XRootD is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// XRootD is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with XRootD.  If not, see <http://www.gnu.org/licenses/>.
+//
+// In applying this licence, CERN does not waive the privileges and immunities
+// granted to it by virtue of its status as an Intergovernmental Organization
+// or submit itself to any jurisdiction.
+//------------------------------------------------------------------------------
+
+#pragma once
+
+#ifdef __APPLE__
+// Macros to translate Linux xattr function names to macOS equivalents
+#define getxattr(path, name, value, size) \
+    xattr_getxattr(path, name, value, size, 0, 0)
+
+#define lgetxattr(path, name, value, size) \
+    xattr_getxattr(path, name, value, size, 0, XATTR_NOFOLLOW)
+
+#define fgetxattr(fd, name, value, size) \
+    fgetxattr(fd, name, value, size)
+
+#define setxattr(path, name, value, size, flags) \
+    xattr_setxattr(path, name, value, size, 0, flags)
+
+#define lsetxattr(path, name, value, size, flags) \
+    xattr_setxattr(path, name, value, size, 0, XATTR_NOFOLLOW)
+
+#define fsetxattr(fd, name, value, size, flags) \
+    fsetxattr(fd, name, value, size, flags)
+
+#define removexattr(path, name) \
+    xattr_removexattr(path, name, 0)
+
+#define lremovexattr(path, name) \
+    xattr_removexattr(path, name, XATTR_NOFOLLOW)
+
+#define fremovexattr(fd, name) \
+    fremovexattr(fd, name)
+
+#define listxattr(path, list, size) \
+    xattr_listxattr(path, list, size, 0)
+
+#define llistxattr(path, list, size) \
+    xattr_listxattr(path, list, size, XATTR_NOFOLLOW)
+
+#define flistxattr(fd, list, size) \
+    flistxattr(fd, list, size)
+#endif
+