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authorKamil Dudka <kdudka@redhat.com>2009-01-23 12:17:53 +0100
committerJim Meyering <meyering@redhat.com>2009-01-29 13:26:07 +0100
commit0889381cbfdbb4895e6b8693d14c0f5c77bc85bc (patch)
tree1c93168a0d0c7e5ff72df37c4b34607b0eb3aaea /m4
parent1bdf77ad523fca6f3781f5614706246f20394a62 (diff)
downloadcoreutils-0889381cbfdbb4895e6b8693d14c0f5c77bc85bc.tar.xz
cp/mv: add xattr support
This patch was originally written by Andreas Grünbacher, nowadays available at http://www.suse.de/~agruen/coreutils/5.91/coreutils-xattr.diff * bootstrap.conf: Add gnulib module verror. * po/POTFILES.in: Add lib/verror.c. * m4/xattr.m4: Check for libattr availability, new configure option --disable-xattr. * m4/prereq.m4: Require gl_FUNC_XATTR. * src/Makefile.am: Link cp, mv and ginstall with libattr. * src/copy.h: Add preserve_xattr and require_preserve_xattr to cp_options. * src/copy.c (copy_attr_error): New function to handle errors during xattr copying. (copy_attr_quote): New function to quote file name in error messages printed by libattr. (copy_attr_free): Empty function requested by libattr to free quoted string. (copy_attr_by_fd): New fd-oriented function to copy xattr. (copy_attr_by_name): New name-oriented function to copy xattr. (copy_reg, copy_internal): Call copy_extended_attributes function. * src/cp.c (usage): Mention new --preserve=xattr option. (decode_preserve_arg): Handle new --preserve=xattr option. * src/mv.c: Always attempt to preserve xattr. * src/install.c: Never attempt to preserve xattr. * tests/misc/xattr: New test for xattr support in cp, mv and install. * tests/Makefile.am: Add the new test to list. * doc/coreutils.texi: Mention xattr support, new --preserve=xattr option. * NEWS: Mention the change.
Diffstat (limited to 'm4')
-rw-r--r--m4/prereq.m41
-rw-r--r--m4/xattr.m436
2 files changed, 37 insertions, 0 deletions
diff --git a/m4/prereq.m4 b/m4/prereq.m4
index e65682fea..536070efe 100644
--- a/m4/prereq.m4
+++ b/m4/prereq.m4
@@ -38,6 +38,7 @@ AC_DEFUN([gl_PREREQ],
# handles that; see ../bootstrap.conf.
AC_REQUIRE([gl_EUIDACCESS_STAT])
AC_REQUIRE([gl_FD_REOPEN])
+ AC_REQUIRE([gl_FUNC_XATTR])
AC_REQUIRE([gl_FUNC_XFTS])
AC_REQUIRE([gl_MEMXFRM])
AC_REQUIRE([gl_STRINTCMP])
diff --git a/m4/xattr.m4 b/m4/xattr.m4
new file mode 100644
index 000000000..c5bf12988
--- /dev/null
+++ b/m4/xattr.m4
@@ -0,0 +1,36 @@
+# xattr.m4 - check for Extended Attributes (Linux)
+
+# Copyright (C) 2003, 2008 Free Software Foundation, Inc.
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# Originally written by Andreas Gruenbacher.
+# http://www.suse.de/~agruen/coreutils/5.91/coreutils-xattr.diff
+
+AC_DEFUN([gl_FUNC_XATTR],
+[
+ AC_ARG_ENABLE([xattr],
+ AC_HELP_STRING([--disable-xattr],
+ [do not support extended attributes]),
+ [use_xattr=$enableval], [use_xattr=yes])
+
+ if test "$use_xattr" = "yes"; then
+ AC_CHECK_HEADERS([attr/error_context.h attr/libattr.h])
+ if test $ac_cv_header_attr_libattr_h = yes \
+ && test $ac_cv_header_attr_error_context_h = yes; then
+ use_xattr=1
+ else
+ use_xattr=0
+ fi
+ AC_DEFINE_UNQUOTED([USE_XATTR], [$use_xattr],
+ [Define if you want extended attribute support.])
+ xattr_saved_LIBS=$LIBS
+ AC_SEARCH_LIBS([attr_copy_file], [attr],
+ [test "$ac_cv_search_attr_copy_file" = "none required" ||
+ LIB_XATTR=$ac_cv_search_attr_copy_file])
+ AC_CHECK_FUNCS([attr_copy_file])
+ LIBS=$xattr_saved_LIBS
+ AC_SUBST([LIB_XATTR])
+ fi
+])