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197 lines
5.6 KiB
197 lines
5.6 KiB
http://lists.gnu.org/archive/html/bug-tar/2013-12/msg00023.html
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https://bugs.gentoo.org/489170
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--- tar-1.27.1/configure 2013-11-17 17:18:39.000000000 +0100
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+++ tar-1.27.1/configure 2013-11-17 17:18:39.000000000 +0100
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@@ -33619,19 +33619,20 @@
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fi
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- for ac_header in attr/xattr.h
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+ for ac_header in sys/xattr.h attr/xattr.h
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do :
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- ac_fn_c_check_header_mongrel "$LINENO" "attr/xattr.h" "ac_cv_header_attr_xattr_h" "$ac_includes_default"
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-if test "x$ac_cv_header_attr_xattr_h" = xyes; then :
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+ as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
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+ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
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+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
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cat >>confdefs.h <<_ACEOF
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-#define HAVE_ATTR_XATTR_H 1
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+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
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_ACEOF
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fi
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done
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- if test "$ac_cv_header_attr_xattr_h" = yes; then
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+ if test "$ac_cv_header_sys_xattr_h" = yes -o "$ac_cv_header_attr_xattr_h" = yes; then
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TAR_COND_XATTR_H_TRUE=
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TAR_COND_XATTR_H_FALSE='#'
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else
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@@ -33639,30 +33640,130 @@
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TAR_COND_XATTR_H_FALSE=
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fi
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- if test "$ac_cv_header_attr_xattr_h" = yes; then
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- for ac_func in getxattr fgetxattr lgetxattr \
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- setxattr fsetxattr lsetxattr \
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- listxattr flistxattr llistxattr
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-do :
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- as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
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-ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
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-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
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+
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+ if test "$with_xattrs" != no; then
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+ # If <sys/xattr.h> doesn't exist and <attr/xattr.h> does,
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+ # then link against libattr.so and not libc
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+ if test "$ac_cv_header_sys_xattr_h" = no -a "$ac_cv_header_attr_xattr_h" = yes; then
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+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fgetxattr in -lattr" >&5
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+$as_echo_n "checking for fgetxattr in -lattr... " >&6; }
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+if ${ac_cv_lib_attr_fgetxattr+:} false; then :
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+ $as_echo_n "(cached) " >&6
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+else
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+ ac_check_lib_save_LIBS=$LIBS
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+LIBS="-lattr $LIBS"
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+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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+/* end confdefs.h. */
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+
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+/* Override any GCC internal prototype to avoid an error.
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+ Use char because int might match the return type of a GCC
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+ builtin and then its argument prototype would still apply. */
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+#ifdef __cplusplus
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+extern "C"
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+#endif
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+char fgetxattr ();
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+int
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+main ()
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+{
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+return fgetxattr ();
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+ ;
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+ return 0;
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+}
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+_ACEOF
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+if ac_fn_c_try_link "$LINENO"; then :
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+ ac_cv_lib_attr_fgetxattr=yes
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+else
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+ ac_cv_lib_attr_fgetxattr=no
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+fi
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+rm -f core conftest.err conftest.$ac_objext \
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+ conftest$ac_exeext conftest.$ac_ext
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+LIBS=$ac_check_lib_save_LIBS
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+fi
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+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_attr_fgetxattr" >&5
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+$as_echo "$ac_cv_lib_attr_fgetxattr" >&6; }
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+if test "x$ac_cv_lib_attr_fgetxattr" = xyes; then :
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cat >>confdefs.h <<_ACEOF
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-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
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+#define HAVE_LIBATTR 1
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_ACEOF
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- # only when functions are present
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-$as_echo "#define HAVE_ATTR_XATTR_H 1" >>confdefs.h
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+ LIBS="-lattr $LIBS"
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- if test "$with_xattrs" != no; then
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+fi
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-$as_echo "#define HAVE_XATTRS /**/" >>confdefs.h
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+ fi
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+ have_functions=yes
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+ for xattr_func in getxattr fgetxattr lgetxattr \
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+ setxattr fsetxattr lsetxattr \
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+ listxattr flistxattr llistxattr; do \
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+ as_ac_Search=`$as_echo "ac_cv_search_$xattr_func" | $as_tr_sh`
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+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing $xattr_func" >&5
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+$as_echo_n "checking for library containing $xattr_func... " >&6; }
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+if eval \${$as_ac_Search+:} false; then :
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+ $as_echo_n "(cached) " >&6
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+else
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+ ac_func_search_save_LIBS=$LIBS
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+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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+/* end confdefs.h. */
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+
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+/* Override any GCC internal prototype to avoid an error.
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+ Use char because int might match the return type of a GCC
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+ builtin and then its argument prototype would still apply. */
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+#ifdef __cplusplus
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+extern "C"
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+#endif
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+char $xattr_func ();
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+int
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+main ()
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+{
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+return $xattr_func ();
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+ ;
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+ return 0;
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+}
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+_ACEOF
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+for ac_lib in '' attr; do
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+ if test -z "$ac_lib"; then
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+ ac_res="none required"
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+ else
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+ ac_res=-l$ac_lib
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+ LIBS="-l$ac_lib $ac_func_search_save_LIBS"
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+ fi
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+ if ac_fn_c_try_link "$LINENO"; then :
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+ eval "$as_ac_Search=\$ac_res"
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+fi
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+rm -f core conftest.err conftest.$ac_objext \
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+ conftest$ac_exeext
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+ if eval \${$as_ac_Search+:} false; then :
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+ break
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+fi
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+done
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+if eval \${$as_ac_Search+:} false; then :
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- fi
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+else
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+ eval "$as_ac_Search=no"
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+fi
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+rm conftest.$ac_ext
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+LIBS=$ac_func_search_save_LIBS
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+fi
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+eval ac_res=\$$as_ac_Search
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+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
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+$as_echo "$ac_res" >&6; }
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+eval ac_res=\$$as_ac_Search
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+if test "$ac_res" != no; then :
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+ test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
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+else
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+ have_functions=no
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fi
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-done
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+ test $have_functions = no && break
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+ done
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+ if test $have_functions = yes; then
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+
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+$as_echo "#define HAVE_XATTRS 1" >>confdefs.h
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+
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+ else
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+ test "$with_xattrs" = yes && as_fn_error $? "xattr support requested but not found." "$LINENO" 5
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+ fi
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fi
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--- tar-1.27.1/lib/xattr-at.h 2013-03-14 21:18:10.000000000 +0100
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+++ tar-1.27.1/lib/xattr-at.h 2013-03-14 21:18:10.000000000 +0100
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@@ -20,7 +20,15 @@
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#define XATTRS_AT_H
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#include <sys/types.h>
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-#include <attr/xattr.h>
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+#if defined(HAVE_SYS_XATTR_H)
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+# include <sys/xattr.h>
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+#elif defined(HAVE_ATTR_XATTR_H)
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+# include <attr/xattr.h>
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+#endif
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+
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+#ifndef ENOATTR
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+# define ENOATTR ENODATA /* No such attribute */
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+#endif
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/* These are the dir-fd-relative variants of the functions without the
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"at" suffix. For example, setxattrat (AT_FDCWD, path, name, value, size,
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