tar-1.29HEADtar-1.29master

1 files changed, 114 insertions, 0 deletions

diff --git a/lib/xattr-at.c b/lib/xattr-at.c
new file mode 100644
index 0000000..1bb48fa
--- /dev/null
+++ b/lib/xattr-at.c
@@ -0,0 +1,114 @@
+/* openat-style fd-relative functions for operating with extended file
+   attributes.
+
+   Copyright 2012-2014, 2016 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+#include "xattr-at.h"
+#include "openat.h"
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <fcntl.h>
+
+#include "dirname.h" /* solely for definition of IS_ABSOLUTE_FILE_NAME */
+#include "save-cwd.h"
+
+#include "openat-priv.h"
+
+#ifdef HAVE_XATTRS
+
+/* setxattrat */
+#define AT_FUNC_NAME setxattrat
+#define AT_FUNC_F1 setxattr
+#define AT_FUNC_POST_FILE_PARAM_DECLS   , const char *name, const void *value \
+                                        , size_t size, int flags
+#define AT_FUNC_POST_FILE_ARGS          , name, value, size, flags
+#include "at-func.c"
+#undef AT_FUNC_NAME
+#undef AT_FUNC_F1
+#undef AT_FUNC_POST_FILE_PARAM_DECLS
+#undef AT_FUNC_POST_FILE_ARGS
+
+/* lsetxattrat */
+#define AT_FUNC_NAME lsetxattrat
+#define AT_FUNC_F1 lsetxattr
+#define AT_FUNC_POST_FILE_PARAM_DECLS   , const char *name, const void *value \
+                                        , size_t size, int flags
+#define AT_FUNC_POST_FILE_ARGS          , name, value, size, flags
+#include "at-func.c"
+#undef AT_FUNC_NAME
+#undef AT_FUNC_F1
+#undef AT_FUNC_POST_FILE_PARAM_DECLS
+#undef AT_FUNC_POST_FILE_ARGS
+
+/* getxattrat */
+#define AT_FUNC_NAME getxattrat
+#define AT_FUNC_RESULT ssize_t
+#define AT_FUNC_F1 getxattr
+#define AT_FUNC_POST_FILE_PARAM_DECLS   , const char *name, void *value \
+                                        , size_t size
+#define AT_FUNC_POST_FILE_ARGS          , name, value, size
+#include "at-func.c"
+#undef AT_FUNC_NAME
+#undef AT_FUNC_F1
+#undef AT_FUNC_RESULT
+#undef AT_FUNC_POST_FILE_PARAM_DECLS
+#undef AT_FUNC_POST_FILE_ARGS
+
+/* lgetxattrat */
+#define AT_FUNC_NAME lgetxattrat
+#define AT_FUNC_RESULT ssize_t
+#define AT_FUNC_F1 lgetxattr
+#define AT_FUNC_POST_FILE_PARAM_DECLS   , const char *name, void *value \
+                                        , size_t size
+#define AT_FUNC_POST_FILE_ARGS          , name, value, size
+#include "at-func.c"
+#undef AT_FUNC_NAME
+#undef AT_FUNC_F1
+#undef AT_FUNC_RESULT
+#undef AT_FUNC_POST_FILE_PARAM_DECLS
+#undef AT_FUNC_POST_FILE_ARGS
+
+/* listxattrat */
+#define AT_FUNC_NAME listxattrat
+#define AT_FUNC_RESULT ssize_t
+#define AT_FUNC_F1 listxattr
+#define AT_FUNC_POST_FILE_PARAM_DECLS   , char *list , size_t size
+#define AT_FUNC_POST_FILE_ARGS          , list , size
+#include "at-func.c"
+#undef AT_FUNC_NAME
+#undef AT_FUNC_F1
+#undef AT_FUNC_RESULT
+#undef AT_FUNC_POST_FILE_PARAM_DECLS
+#undef AT_FUNC_POST_FILE_ARGS
+
+/* llistxattrat */
+#define AT_FUNC_NAME llistxattrat
+#define AT_FUNC_RESULT ssize_t
+#define AT_FUNC_F1 llistxattr
+#define AT_FUNC_POST_FILE_PARAM_DECLS   , char *list , size_t size
+#define AT_FUNC_POST_FILE_ARGS          , list , size
+#include "at-func.c"
+#undef AT_FUNC_NAME
+#undef AT_FUNC_F1
+#undef AT_FUNC_RESULT
+#undef AT_FUNC_POST_FILE_PARAM_DECLS
+#undef AT_FUNC_POST_FILE_ARGS
+
+#endif /* HAVE_XATTRS */