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coreutils/coreutils-7.0-xattr.patch

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diff -ruNp coreutils-7.0.orig/doc/coreutils.texi coreutils-7.0/doc/coreutils.texi
--- coreutils-7.0.orig/doc/coreutils.texi 2009-01-28 17:10:24.453415000 +0100
+++ coreutils-7.0/doc/coreutils.texi 2009-01-28 17:12:04.986109287 +0100
@@ -7346,7 +7346,7 @@ symbolic links in the destination are al
@itemx @w{@kbd{--preserve}[=@var{attribute_list}]}
@opindex -p
@opindex --preserve
-@cindex file information, preserving
+@cindex file information, preserving, extended attributes, xattr
Preserve the specified attributes of the original files.
If specified, the @var{attribute_list} must be a comma-separated list
of one or more of the following strings:
@@ -7373,6 +7373,11 @@ Preserve in the destination files
any links between corresponding source files.
@c Give examples illustrating how hard links are preserved.
@c Also, show how soft links map to hard links with -L and -H.
+@itemx xattr
+Preserve extended attributes if @command{cp} is built with xattr support,
+and xattrs are supported and enabled on your file system. If SELinux context
+and/or ACLs are implemented using xattrs, they are preserved as well by this
+option.
@itemx all
Preserve all file attributes.
Equivalent to specifying all of the above.
@@ -7912,6 +7917,9 @@ attributes of destination files. It is
copy programs into their destination directories. It refuses to copy
files onto themselves.
+@cindex extended attributes, xattr
+@command{install} never preserves extended attributes (xattr).
+
The program accepts the following options. Also see @ref{Common options}.
@table @samp
@@ -8060,6 +8068,9 @@ directory succeeded, but the second didn
the destination partition and the second and third would be left on the
original partition.
+@cindex extended attributes, xattr
+@command{mv} always tries to copy extended attributes (xattr).
+
@cindex prompting, and @command{mv}
If a destination file exists but is normally unwritable, standard input
is a terminal, and the @option{-f} or @option{--force} option is not given,
diff -ruNp coreutils-7.0.orig/m4/prereq.m4 coreutils-7.0/m4/prereq.m4
--- coreutils-7.0.orig/m4/prereq.m4 2008-06-21 19:04:15.000000000 +0200
+++ coreutils-7.0/m4/prereq.m4 2009-01-28 17:12:04.987109294 +0100
@@ -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 -ruNp coreutils-7.0.orig/m4/xattr.m4 coreutils-7.0/m4/xattr.m4
--- coreutils-7.0.orig/m4/xattr.m4 1970-01-01 01:00:00.000000000 +0100
+++ coreutils-7.0/m4/xattr.m4 2009-01-28 17:12:04.988109301 +0100
@@ -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
+])
diff -ruNp coreutils-7.0.orig/src/copy.c coreutils-7.0/src/copy.c
--- coreutils-7.0.orig/src/copy.c 2008-08-24 22:30:10.000000000 +0200
+++ coreutils-7.0/src/copy.c 2009-01-28 17:12:04.990109315 +0100
@@ -55,6 +55,13 @@
#include "areadlink.h"
#include "yesno.h"
+#if USE_XATTR
+# include <attr/error_context.h>
+# include <attr/libattr.h>
+# include <stdarg.h>
+# include "verror.h"
+#endif
+
#ifndef HAVE_FCHOWN
# define HAVE_FCHOWN false
# define fchown(fd, uid, gid) (-1)
@@ -124,6 +131,70 @@ is_ancestor (const struct stat *sb, cons
return false;
}
+#if USE_XATTR
+static void
+copy_attr_error (struct error_context *ctx, char const *fmt, ...)
+{
+ int err = errno;
+ va_list ap;
+
+ /* use verror module to print error message */
+ va_start (ap, fmt);
+ verror (0, err, fmt, ap);
+ va_end (ap);
+}
+
+static char const *
+copy_attr_quote (struct error_context *ctx, char const *str)
+{
+ return quote (str);
+}
+
+static void
+copy_attr_free (struct error_context *ctx, char const *str)
+{
+}
+
+static bool
+copy_attr_by_fd (char const *src_path, int src_fd,
+ char const *dst_path, int dst_fd)
+{
+ struct error_context ctx =
+ {
+ .error = copy_attr_error,
+ .quote = copy_attr_quote,
+ .quote_free = copy_attr_free
+ };
+ return 0 == attr_copy_fd (src_path, src_fd, dst_path, dst_fd, 0, &ctx);
+}
+
+static bool
+copy_attr_by_name (char const *src_path, char const *dst_path)
+{
+ struct error_context ctx =
+ {
+ .error = copy_attr_error,
+ .quote = copy_attr_quote,
+ .quote_free = copy_attr_free
+ };
+ return 0 == attr_copy_file (src_path, dst_path, 0, &ctx);
+}
+#else /* USE_XATTR */
+
+static bool
+copy_attr_by_fd (char const *src_path, int src_fd,
+ char const *dst_path, int dst_fd)
+{
+ return true;
+}
+
+static bool
+copy_attr_by_name (char const *src_path, char const *dst_path)
+{
+ return true;
+}
+#endif /* USE_XATTR */
+
/* Read the contents of the directory SRC_NAME_IN, and recursively
copy the contents to DST_NAME_IN. NEW_DST is true if
DST_NAME_IN is a directory that was created previously in the
@@ -682,6 +753,11 @@ copy_reg (char const *src_name, char con
set_author (dst_name, dest_desc, src_sb);
+ if (x->preserve_xattr && ! copy_attr_by_fd (src_name, source_desc,
+ dst_name, dest_desc)
+ && x->require_preserve_xattr)
+ return false;
+
if (x->preserve_mode || x->move_mode)
{
if (copy_acl (src_name, source_desc, dst_name, dest_desc, src_mode) != 0
@@ -1980,6 +2056,10 @@ copy_internal (char const *src_name, cha
set_author (dst_name, -1, &src_sb);
+ if (x->preserve_xattr && ! copy_attr_by_name (src_name, dst_name)
+ && x->require_preserve_xattr)
+ return false;
+
if (x->preserve_mode || x->move_mode)
{
if (copy_acl (src_name, -1, dst_name, -1, src_mode) != 0
diff -ruNp coreutils-7.0.orig/src/copy.h coreutils-7.0/src/copy.h
--- coreutils-7.0.orig/src/copy.h 2008-06-21 17:20:29.000000000 +0200
+++ coreutils-7.0/src/copy.h 2009-01-28 17:12:04.991109322 +0100
@@ -174,6 +174,19 @@ struct cp_options
fail if it is unable to do so. */
bool require_preserve_context;
+ /* If true, attempt to preserve extended attributes using libattr.
+ Ignored if coreutils are compiled without xattr support. */
+ bool preserve_xattr;
+
+ /* Useful only when preserve_xattr is true.
+ If true, a failed attempt to preserve file's extended attributes
+ propagates failure "out" to the caller. If false, a failure to
+ preserve file's extended attributes does not change the invoking
+ application's exit status. Give diagnostics for failed syscalls
+ regardless of this setting. For example, with "cp --preserve=xattr"
+ this flag is "true", while with "cp --preserve=all", it is false. */
+ bool require_preserve_xattr;
+
/* If true, copy directories recursively and copy special files
as themselves rather than copying their contents. */
bool recursive;
diff -ruNp coreutils-7.0.orig/src/cp.c coreutils-7.0/src/cp.c
--- coreutils-7.0.orig/src/cp.c 2009-01-28 17:10:24.455415000 +0100
+++ coreutils-7.0/src/cp.c 2009-01-28 17:12:04.992109329 +0100
@@ -202,7 +202,8 @@ Mandatory arguments to long options are
-p same as --preserve=mode,ownership,timestamps\n\
--preserve[=ATTR_LIST] preserve the specified attributes (default:\n\
mode,ownership,timestamps), if possible\n\
- additional attributes: context, links, all\n\
+ additional attributes: context, links, xattr,\n\
+ all\n\
"), stdout);
fputs (_("\
--no-preserve=ATTR_LIST don't preserve the specified attributes\n\
@@ -779,6 +780,8 @@ cp_option_init (struct cp_options *x)
x->preserve_timestamps = false;
x->preserve_security_context = false;
x->require_preserve_context = false;
+ x->preserve_xattr = false;
+ x->require_preserve_xattr = false;
x->require_preserve = false;
x->recursive = false;
@@ -815,18 +818,20 @@ decode_preserve_arg (char const *arg, st
PRESERVE_OWNERSHIP,
PRESERVE_LINK,
PRESERVE_CONTEXT,
+ PRESERVE_XATTR,
PRESERVE_ALL
};
static enum File_attribute const preserve_vals[] =
{
PRESERVE_MODE, PRESERVE_TIMESTAMPS,
- PRESERVE_OWNERSHIP, PRESERVE_LINK, PRESERVE_CONTEXT, PRESERVE_ALL
+ PRESERVE_OWNERSHIP, PRESERVE_LINK, PRESERVE_CONTEXT, PRESERVE_XATTR,
+ PRESERVE_ALL
};
/* Valid arguments to the `--preserve' option. */
static char const* const preserve_args[] =
{
"mode", "timestamps",
- "ownership", "links", "context", "all", NULL
+ "ownership", "links", "context", "xattr", "all", NULL
};
ARGMATCH_VERIFY (preserve_args, preserve_vals);
@@ -867,6 +872,11 @@ decode_preserve_arg (char const *arg, st
x->require_preserve_context = on_off;
break;
+ case PRESERVE_XATTR:
+ x->preserve_xattr = on_off;
+ x->require_preserve_xattr = on_off;
+ break;
+
case PRESERVE_ALL:
x->preserve_mode = on_off;
x->preserve_timestamps = on_off;
@@ -874,6 +884,7 @@ decode_preserve_arg (char const *arg, st
x->preserve_links = on_off;
if (selinux_enabled)
x->preserve_security_context = on_off;
+ x->preserve_xattr = on_off;
break;
default:
@@ -1121,6 +1132,12 @@ main (int argc, char **argv)
"without an SELinux-enabled kernel"));
}
+#if !USE_XATTR
+ if (x.require_preserve_xattr)
+ error (EXIT_FAILURE, 0, _("cannot preserve extended attributes, cp is "
+ "built without xattr support"));
+#endif
+
/* Allocate space for remembering copied and created files. */
hash_init ();
diff -ruNp coreutils-7.0.orig/src/install.c coreutils-7.0/src/install.c
--- coreutils-7.0.orig/src/install.c 2008-09-27 19:28:41.000000000 +0200
+++ coreutils-7.0/src/install.c 2009-01-28 17:12:04.993109336 +0100
@@ -200,6 +200,7 @@ cp_option_init (struct cp_options *x)
x->open_dangling_dest_symlink = false;
x->update = false;
x->preserve_security_context = false;
+ x->preserve_xattr = false;
x->verbose = false;
x->dest_info = NULL;
x->src_info = NULL;
diff -ruNp coreutils-7.0.orig/src/Makefile.am coreutils-7.0/src/Makefile.am
--- coreutils-7.0.orig/src/Makefile.am 2008-09-27 19:28:54.000000000 +0200
+++ coreutils-7.0/src/Makefile.am 2009-01-28 17:15:23.106476067 +0100
@@ -149,9 +149,9 @@ su_LDADD = $(LDADD) $(LIB_CRYPT)
dir_LDADD += $(LIB_ACL)
ls_LDADD += $(LIB_ACL)
vdir_LDADD += $(LIB_ACL)
-cp_LDADD += $(LIB_ACL)
-mv_LDADD += $(LIB_ACL)
-ginstall_LDADD += $(LIB_ACL)
+cp_LDADD += $(LIB_ACL) $(LIB_XATTR)
+mv_LDADD += $(LIB_ACL) $(LIB_XATTR)
+ginstall_LDADD += $(LIB_ACL) $(LIB_XATTR)
stat_LDADD = $(LDADD) $(LIB_SELINUX)
@@ -226,7 +226,7 @@ uninstall-local:
fi; \
fi
-copy_sources = copy.c cp-hash.c
+copy_sources = copy.c cp-hash.c verror.c xvasprintf.c
# Use `ginstall' in the definition of PROGRAMS and in dependencies to avoid
# confusion with the `install' target. The install rule transforms `ginstall'
diff -ruNp coreutils-7.0.orig/src/mv.c coreutils-7.0/src/mv.c
--- coreutils-7.0.orig/src/mv.c 2009-01-28 17:10:24.456415000 +0100
+++ coreutils-7.0/src/mv.c 2009-01-28 17:12:04.994109343 +0100
@@ -140,6 +140,7 @@ cp_option_init (struct cp_options *x)
x->preserve_security_context = selinux_enabled;
x->require_preserve = false; /* FIXME: maybe make this an option */
x->require_preserve_context = false;
+ x->preserve_xattr = true;
x->recursive = true;
x->sparse_mode = SPARSE_AUTO; /* FIXME: maybe make this an option */
x->symbolic_link = false;
diff -ruNp coreutils-7.0.orig/tests/Makefile.am coreutils-7.0/tests/Makefile.am
--- coreutils-7.0.orig/tests/Makefile.am 2009-01-28 17:10:24.457415000 +0100
+++ coreutils-7.0/tests/Makefile.am 2009-01-28 17:12:04.994109343 +0100
@@ -230,6 +230,7 @@ TESTS = \
misc/tty-eof \
misc/unexpand \
misc/uniq \
+ misc/xattr \
chmod/c-option \
chmod/equal-x \
chmod/equals \
diff -ruNp coreutils-7.0.orig/tests/misc/xattr coreutils-7.0/tests/misc/xattr
--- coreutils-7.0.orig/tests/misc/xattr 1970-01-01 01:00:00.000000000 +0100
+++ coreutils-7.0/tests/misc/xattr 2009-01-28 17:12:04.995109350 +0100
@@ -0,0 +1,111 @@
+#!/bin/sh
+# Ensure that cp --preserve=xattr and mv preserve extended attributes and
+# install does not preserve extended attributes.
+
+# Copyright (C) 2009 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/>.
+
+if test "$VERBOSE" = yes; then
+ set -x
+ cp --version
+ mv --version
+ ginstall --version
+fi
+
+. $srcdir/test-lib.sh
+
+# Skip this test if cp was built without xattr support:
+touch src dest || framework_failure
+cp --preserve=xattr -n src dest 2>/dev/null \
+ || skip_test_ "coreutils built without xattr support"
+
+# this code was taken from test mv/backup-is-src
+cleanup_() { rm -rf "$other_partition_tmpdir"; }
+. "$abs_srcdir/other-fs-tmpdir"
+b_other="$other_partition_tmpdir/b"
+rm -f $b_other || framework_failure
+
+# testing xattr name-value pair
+xattr_name="user.foo"
+xattr_value="bar"
+xattr_pair="$xattr_name=\"$xattr_value\""
+
+# create new file and check its xattrs
+touch a || framework_failure
+getfattr -d a >out_a || skip_test_ "failed to get xattr of file"
+grep -F "$xattr_pair" out_a >/dev/null && framework_failure
+
+# try to set user xattr on file
+setfattr -n "$xattr_name" -v "$xattr_value" a >out_a \
+ || skip_test_ "failed to set xattr of file"
+getfattr -d a >out_a || skip_test_ "failed to get xattr of file"
+grep -F "$xattr_pair" out_a >/dev/null \
+ || skip_test_ "failed to set xattr of file"
+
+fail=0
+
+# cp should not preserve xattr by default
+cp a b || fail=1
+getfattr -d b >out_b || skip_test_ "failed to get xattr of file"
+grep -F "$xattr_pair" out_b >/dev/null && fail=1
+
+# test if --preserve=xattr option works
+cp --preserve=xattr a b || fail=1
+getfattr -d b >out_b || skip_test_ "failed to get xattr of file"
+grep -F "$xattr_pair" out_b >/dev/null || fail=1
+
+rm b || framework_failure
+
+# install should never preserve xattr
+ginstall a b || fail=1
+getfattr -d b >out_b || skip_test_ "failed to get xattr of file"
+grep -F "$xattr_pair" out_b >/dev/null && fail=1
+
+# mv should preserve xattr when renaming within a filesystem.
+# This is implicitly done by rename () and doesn't need explicit
+# xattr support in mv.
+mv a b || fail=1
+getfattr -d b >out_b || skip_test_ "failed to get xattr of file"
+grep -F "$xattr_pair" out_b >/dev/null || cat >&2 <<EOF
+=================================================================
+$0: WARNING!!!
+rename () does not preserve extended attributes
+=================================================================
+EOF
+
+# try to set user xattr on file on other partition
+test_mv=1
+touch $b_other || framework_failure
+setfattr -n "$xattr_name" -v "$xattr_value" $b_other >out_a 2>/dev/null \
+ || test_mv=0
+getfattr -d $b_other >out_b 2>/dev/null || test_mv=0
+grep -F "$xattr_pair" out_b >/dev/null || test_mv=0
+rm -f $b_other || framework_failure
+
+if test $test_mv -eq 1; then
+ # mv should preserve xattr when copying content from one partition to another
+ mv b $b_other || fail=1
+ getfattr -d $b_other >out_b 2>/dev/null || skip_test_ "failed to get xattr of file"
+ grep -F "$xattr_pair" out_b >/dev/null || fail=1
+else
+ cat >&2 <<EOF
+=================================================================
+$0: WARNING!!!
+failed to set xattr of file $b_other
+=================================================================
+EOF
+fi
+
+Exit $fail
diff -ruNp coreutils-7.0.orig/src/verror.c coreutils-7.0/src/verror.c
--- coreutils-7.0.orig/src/verror.c 1970-01-01 01:00:00.000000000 +0100
+++ coreutils-7.0/src/verror.c 2009-01-28 17:14:58.399305619 +0100
@@ -0,0 +1,77 @@
+/* va_list error handler for noninteractive utilities
+ Copyright (C) 2006-2007 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/>. */
+
+/* Written by Eric Blake. */
+
+#include <config.h>
+
+#include "verror.h"
+#include "xvasprintf.h"
+
+#include <errno.h>
+#include <stdarg.h>
+#include <stdlib.h>
+
+#if ENABLE_NLS
+# include "gettext.h"
+# define _(msgid) gettext (msgid)
+#endif
+
+#ifndef _
+# define _(String) String
+#endif
+
+/* Print a message with `vfprintf (stderr, FORMAT, ARGS)';
+ if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM).
+ If STATUS is nonzero, terminate the program with `exit (STATUS)'.
+ Use the globals error_print_progname and error_message_count similarly
+ to error(). */
+void
+verror (int status, int errnum, const char *format, va_list args)
+{
+ verror_at_line (status, errnum, NULL, 0, format, args);
+}
+
+/* Print a message with `vfprintf (stderr, FORMAT, ARGS)';
+ if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM).
+ If STATUS is nonzero, terminate the program with `exit (STATUS)'.
+ If FNAME is not NULL, prepend the message with `FNAME:LINENO:'.
+ Use the globals error_print_progname, error_message_count, and
+ error_one_per_line similarly to error_at_line(). */
+void
+verror_at_line (int status, int errnum, const char *file,
+ unsigned int line_number, const char *format, va_list args)
+{
+ char *message = xvasprintf (format, args);
+ if (message)
+ {
+ /* Until http://sourceware.org/bugzilla/show_bug.cgi?id=2997 is fixed,
+ glibc violates GNU Coding Standards when the file argument to
+ error_at_line is NULL. */
+ if (file)
+ error_at_line (status, errnum, file, line_number, "%s", message);
+ else
+ error (status, errnum, "%s", message);
+ }
+ else
+ {
+ /* EOVERFLOW, EINVAL, and EILSEQ from xvasprintf are signs of
+ serious programmer errors. */
+ error (0, errno, _("unable to display error message"));
+ abort ();
+ }
+ free (message);
+}
diff -ruNp coreutils-7.0.orig/src/verror.h coreutils-7.0/src/verror.h
--- coreutils-7.0.orig/src/verror.h 1970-01-01 01:00:00.000000000 +0100
+++ coreutils-7.0/src/verror.h 2009-01-28 17:14:54.039275540 +0100
@@ -0,0 +1,53 @@
+/* Declaration for va_list error-reporting function
+ Copyright (C) 2006-2007 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/>. */
+
+#ifndef _VERROR_H
+#define _VERROR_H 1
+
+#include "error.h"
+#include <stdarg.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Print a message with `vfprintf (stderr, FORMAT, ARGS)';
+ if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM).
+ If STATUS is nonzero, terminate the program with `exit (STATUS)'.
+ Use the globals error_print_progname and error_message_count similarly
+ to error(). */
+
+extern void verror (int __status, int __errnum, const char *__format,
+ va_list __args)
+ __attribute__ ((__format__ (__printf__, 3, 0)));
+
+/* Print a message with `vfprintf (stderr, FORMAT, ARGS)';
+ if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM).
+ If STATUS is nonzero, terminate the program with `exit (STATUS)'.
+ If FNAME is not NULL, prepend the message with `FNAME:LINENO:'.
+ Use the globals error_print_progname, error_message_count, and
+ error_one_per_line similarly to error_at_line(). */
+
+extern void verror_at_line (int __status, int __errnum, const char *__fname,
+ unsigned int __lineno, const char *__format,
+ va_list __args)
+ __attribute__ ((__format__ (__printf__, 5, 0)));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* verror.h */
diff -ruNp coreutils-7.0.orig/src/xvasprintf.c coreutils-7.0/src/xvasprintf.c
--- coreutils-7.0.orig/src/xvasprintf.c 1970-01-01 01:00:00.000000000 +0100
+++ coreutils-7.0/src/xvasprintf.c 2009-01-28 17:15:06.809363638 +0100
@@ -0,0 +1,110 @@
+/* vasprintf and asprintf with out-of-memory checking.
+ Copyright (C) 1999, 2002-2004, 2006-2008 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>
+
+/* Specification. */
+#include "xvasprintf.h"
+
+#include <errno.h>
+#include <limits.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "xalloc.h"
+
+/* Checked size_t computations. */
+#include "xsize.h"
+
+static inline char *
+xstrcat (size_t argcount, va_list args)
+{
+ char *result;
+ va_list ap;
+ size_t totalsize;
+ size_t i;
+ char *p;
+
+ /* Determine the total size. */
+ totalsize = 0;
+ va_copy (ap, args);
+ for (i = argcount; i > 0; i--)
+ {
+ const char *next = va_arg (ap, const char *);
+ totalsize = xsum (totalsize, strlen (next));
+ }
+ va_end (ap);
+
+ /* Test for overflow in the summing pass above or in (totalsize + 1) below.
+ Also, don't return a string longer than INT_MAX, for consistency with
+ vasprintf(). */
+ if (totalsize == SIZE_MAX || totalsize > INT_MAX)
+ {
+ errno = EOVERFLOW;
+ return NULL;
+ }
+
+ /* Allocate and fill the result string. */
+ result = XNMALLOC (totalsize + 1, char);
+ p = result;
+ for (i = argcount; i > 0; i--)
+ {
+ const char *next = va_arg (args, const char *);
+ size_t len = strlen (next);
+ memcpy (p, next, len);
+ p += len;
+ }
+ *p = '\0';
+
+ return result;
+}
+
+char *
+xvasprintf (const char *format, va_list args)
+{
+ char *result;
+
+ /* Recognize the special case format = "%s...%s". It is a frequently used
+ idiom for string concatenation and needs to be fast. We don't want to
+ have a separate function xstrcat() for this purpose. */
+ {
+ size_t argcount = 0;
+ const char *f;
+
+ for (f = format;;)
+ {
+ if (*f == '\0')
+ /* Recognized the special case of string concatenation. */
+ return xstrcat (argcount, args);
+ if (*f != '%')
+ break;
+ f++;
+ if (*f != 's')
+ break;
+ f++;
+ argcount++;
+ }
+ }
+
+ if (vasprintf (&result, format, args) < 0)
+ {
+ if (errno == ENOMEM)
+ xalloc_die ();
+ return NULL;
+ }
+
+ return result;
+}
diff -ruNp coreutils-7.0.orig/src/xvasprintf.h coreutils-7.0/src/xvasprintf.h
--- coreutils-7.0.orig/src/xvasprintf.h 1970-01-01 01:00:00.000000000 +0100
+++ coreutils-7.0/src/xvasprintf.h 2009-01-28 17:15:06.809363638 +0100
@@ -0,0 +1,56 @@
+/* vasprintf and asprintf with out-of-memory checking.
+ Copyright (C) 2002-2004, 2006-2008 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/>. */
+
+#ifndef _XVASPRINTF_H
+#define _XVASPRINTF_H
+
+/* Get va_list. */
+#include <stdarg.h>
+
+#ifndef __attribute__
+/* This feature is available in gcc versions 2.5 and later. */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
+# define __attribute__(Spec) /* empty */
+# endif
+/* The __-protected variants of `format' and `printf' attributes
+ are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
+# define __format__ format
+# define __printf__ printf
+# endif
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Write formatted output to a string dynamically allocated with malloc(),
+ and return it. Upon [ENOMEM] memory allocation error, call xalloc_die.
+ On some other error
+ - [EOVERFLOW] resulting string length is > INT_MAX,
+ - [EINVAL] invalid format string,
+ - [EILSEQ] error during conversion between wide and multibyte characters,
+ return NULL. */
+extern char *xasprintf (const char *format, ...)
+ __attribute__ ((__format__ (__printf__, 1, 2)));
+extern char *xvasprintf (const char *format, va_list args)
+ __attribute__ ((__format__ (__printf__, 1, 0)));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _XVASPRINTF_H */
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