Update to using coreutils 5.2.1 libraries and snprintf.c from samba 3.0.8

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@895 f882894a-f735-0410-b71e-b25c423dba1c

30 files changed, 1121 insertions, 791 deletions

diff --git a/lib/Makefile.am b/lib/Makefile.am
index 7b07f55..2e9aeee 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -2,7 +2,8 @@
 
 noinst_LIBRARIES = libnagiosplug.a
 
-libnagiosplug_a_SOURCES = getopt.c getopt1.c snprintf.c fsusage.c mountlist.c xmalloc.c
+libnagiosplug_a_SOURCES = getopt.c getopt1.c fsusage.c snprintf.c mountlist.c \
+                xmalloc.c xstrdup.c exitfail.c
 
 libnagiosplug_a_LIBADD = @LIBOBJS@
 libnagiosplug_a_DEPENDENCIES = $(libnagiosplug_a_LIBADD)
@@ -12,6 +13,7 @@ EXTRA_DIST = ulonglong.m4 codeset.m4 getloadavg.m4 gettext.m4 glibc21.m4 iconv.m
                 inttypes.m4 inttypes_h.m4 inttypes-pri.m4 isc-posix.m4 lcmessage.m4 lib-ld.m4 \
                 lib-link.m4 lib-prefix.m4 progtest.m4 stdint_h.m4 uintmax_t.m4 afs.m4 \
                 fstypename.m4 fsusage.m4 ls-mntd-fs.m4 getopt.h gettext.h fsusage.h mountlist.h\
-                error.m4 error.h error.c getloadavg.c xalloc.h unlocked-io.h malloc.c realloc.c strtod.c
+                error.m4 error.h error.c getloadavg.c xalloc.h unlocked-io.h unlocked-io.m4 malloc.c \
+                onceonly.m4 realloc.c strtod.c exitfail.h full-read.h xstrdup.c xalloc.m4 exit.h
 
 INCLUDES = -I$(srcdir) -I$(top_srcdir)/intl
diff --git a/lib/error.c b/lib/error.c
index 2296124..1149235 100644
--- a/lib/error.c
+++ b/lib/error.c
@@ -1,5 +1,7 @@
 /* Error handler for noninteractive utilities
-   Copyright (C) 1990-1998, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 1990-1998, 2000-2002, 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
    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 2, or (at your option)
@@ -20,7 +22,12 @@
 # include <config.h>
 #endif
 
+#include "error.h"
+
+#include <stdarg.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 
 #ifdef _LIBC
 # include <libintl.h>
@@ -33,28 +40,6 @@
 # define mbsrtowcs __mbsrtowcs
 #endif
 
-#if HAVE_VPRINTF || HAVE_DOPRNT || _LIBC
-# if __STDC__
-#  include <stdarg.h>
-#  define VA_START(args, lastarg) va_start(args, lastarg)
-# else
-#  include <varargs.h>
-#  define VA_START(args, lastarg) va_start(args)
-# endif
-#else
-# define va_alist a1, a2, a3, a4, a5, a6, a7, a8
-# define va_dcl char *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8;
-#endif
-
-#if STDC_HEADERS || _LIBC
-# include <stdlib.h>
-# include <string.h>
-#else
-void exit ();
-#endif
-
-#include "error.h"
-
 #if !_LIBC
 # include "unlocked-io.h"
 #endif
@@ -66,11 +51,7 @@ void exit ();
 /* If NULL, error will flush stdout, then print on stderr the program
    name, a colon and a space.  Otherwise, error will call this
    function without parameters instead.  */
-void (*error_print_progname) (
-#if __STDC__ - 0
-                              void
-#endif
-                              );
+void (*error_print_progname) (void);
 
 /* This variable is incremented each time `error' is called.  */
 unsigned int error_message_count;
@@ -98,6 +79,8 @@ extern void __error_at_line (int status, int errnum, const char *file_name,
 # undef putc
 # define putc(c, fp) INTUSE(_IO_putc) (c, fp)
 
+# include <bits/libc-lock.h>
+
 #else /* not _LIBC */
 
 # if !HAVE_DECL_STRERROR_R && STRERROR_R_CHAR_P
@@ -107,34 +90,17 @@ extern void __error_at_line (int status, int errnum, const char *file_name,
 char *strerror_r ();
 # endif
 
+# ifndef SIZE_MAX
+#  define SIZE_MAX ((size_t) -1)
+# endif
+
 /* The calling program should define program_name and set it to the
    name of the executing program.  */
-extern char *progname;
+extern char *program_name;
 
 # if HAVE_STRERROR_R || defined strerror_r
 #  define __strerror_r strerror_r
-# else
-#  if HAVE_STRERROR
-#   ifndef HAVE_DECL_STRERROR
-"this configure-time declaration test was not run"
-#   endif
-#   if !HAVE_DECL_STRERROR
-char *strerror ();
-#   endif
-#  else
-static char *
-private_strerror (int errnum)
-{
-  extern char *sys_errlist[];
-  extern int sys_nerr;
-
-  if (errnum > 0 && errnum <= sys_nerr)
-    return _(sys_errlist[errnum]);
-  return _("Unknown system error");
-}
-#   define strerror private_strerror
-#  endif /* HAVE_STRERROR */
-# endif /* HAVE_STRERROR_R || defined strerror_r */
+# endif
 #endif  /* not _LIBC */
 
 static void
@@ -172,93 +138,70 @@ print_errno_message (int errnum)
   fprintf (stderr, ": %s", s);
 }
 
-#ifdef VA_START
 static void
 error_tail (int status, int errnum, const char *message, va_list args)
 {
-# if HAVE_VPRINTF || _LIBC
-#  if _LIBC
+#if _LIBC
   if (_IO_fwide (stderr, 0) > 0)
     {
-#   define ALLOCA_LIMIT 2000
+# define ALLOCA_LIMIT 2000
       size_t len = strlen (message) + 1;
-      wchar_t *wmessage = NULL;
-      mbstate_t st;
-      size_t res;
-      const char *tmp;
-
-      do
+      const wchar_t *wmessage = L"out of memory";
+      wchar_t *wbuf = (len < ALLOCA_LIMIT
+                       ? alloca (len * sizeof *wbuf)
+                       : len <= SIZE_MAX / sizeof *wbuf
+                       ? malloc (len * sizeof *wbuf)
+                       : NULL);
+
+      if (wbuf)
         {
-          if (len < ALLOCA_LIMIT)
-            wmessage = (wchar_t *) alloca (len * sizeof (wchar_t));
-          else
-            {
-              if (wmessage != NULL && len / 2 < ALLOCA_LIMIT)
-                wmessage = NULL;
-
-              wmessage = (wchar_t *) realloc (wmessage,
-                                              len * sizeof (wchar_t));
-
-              if (wmessage == NULL)
-                {
-                  fputws_unlocked (L"out of memory\n", stderr);
-                  return;
-                }
-            }
-
+          size_t res;
+          mbstate_t st;
+          const char *tmp = message;
           memset (&st, '\0', sizeof (st));
-          tmp =message;
+          res = mbsrtowcs (wbuf, &tmp, len, &st);
+          wmessage = res == (size_t) -1 ? L"???" : wbuf;
         }
-      while ((res = mbsrtowcs (wmessage, &tmp, len, &st)) == len);
-
-      if (res == (size_t) -1)
-        /* The string cannot be converted.  */
-        wmessage = (wchar_t *) L"???";
 
       __vfwprintf (stderr, wmessage, args);
+      if (! (len < ALLOCA_LIMIT))
+        free (wbuf);
     }
   else
-#  endif
+#endif
     vfprintf (stderr, message, args);
-# else
-  _doprnt (message, args, stderr);
-# endif
   va_end (args);
 
   ++error_message_count;
   if (errnum)
     print_errno_message (errnum);
-# if _LIBC
+#if _LIBC
   if (_IO_fwide (stderr, 0) > 0)
     putwc (L'\n', stderr);
   else
-# endif
+#endif
     putc ('\n', stderr);
   fflush (stderr);
   if (status)
     exit (status);
 }
-#endif
 
 
 /* Print the program name and error message MESSAGE, which is a printf-style
    format string with optional args.
    If ERRNUM is nonzero, print its corresponding system error message.
    Exit with status STATUS if it is nonzero.  */
-/* VARARGS */
 void
-#if defined VA_START && __STDC__
 error (int status, int errnum, const char *message, ...)
-#else
-error (status, errnum, message, va_alist)
-     int status;
-     int errnum;
-     char *message;
-     va_dcl
-#endif
 {
-#ifdef VA_START
   va_list args;
+
+#if defined _LIBC && defined __libc_ptf_call
+  /* We do not want this call to be cut short by a thread
+     cancellation.  Therefore disable cancellation for now.  */
+  int state = PTHREAD_CANCEL_ENABLE;
+  __libc_ptf_call (pthread_setcancelstate, (PTHREAD_CANCEL_DISABLE, &state),
+                   0);
 #endif
 
   fflush (stdout);
@@ -271,29 +214,20 @@ error (status, errnum, message, va_alist)
     {
 #if _LIBC
       if (_IO_fwide (stderr, 0) > 0)
-        __fwprintf (stderr, L"%s: ", progname);
+        __fwprintf (stderr, L"%s: ", program_name);
       else
 #endif
-        fprintf (stderr, "%s: ", progname);
+        fprintf (stderr, "%s: ", program_name);
     }
 
-#ifdef VA_START
-  VA_START (args, message);
+  va_start (args, message);
   error_tail (status, errnum, message, args);
-#else
-  fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
-
-  ++error_message_count;
-  if (errnum)
-    print_errno_message (errnum);
-  putc ('\n', stderr);
-  fflush (stderr);
-  if (status)
-    exit (status);
-#endif
 
 #ifdef _LIBC
   _IO_funlockfile (stderr);
+# ifdef __libc_ptf_call
+  __libc_ptf_call (pthread_setcancelstate, (state, NULL), 0);
+# endif
 #endif
 }
 
@@ -302,22 +236,10 @@ error (status, errnum, message, va_alist)
 int error_one_per_line;
 
 void
-#if defined VA_START && __STDC__
 error_at_line (int status, int errnum, const char *file_name,
                unsigned int line_number, const char *message, ...)
-#else
-error_at_line (status, errnum, file_name, line_number, message, va_alist)
-     int status;
-     int errnum;
-     const char *file_name;
-     unsigned int line_number;
-     char *message;
-     va_dcl
-#endif
 {
-#ifdef VA_START
   va_list args;
-#endif
 
   if (error_one_per_line)
     {
@@ -334,6 +256,14 @@ error_at_line (status, errnum, file_name, line_number, message, va_alist)
       old_line_number = line_number;
     }
 
+#if defined _LIBC && defined __libc_ptf_call
+  /* We do not want this call to be cut short by a thread
+     cancellation.  Therefore disable cancellation for now.  */
+  int state = PTHREAD_CANCEL_ENABLE;
+  __libc_ptf_call (pthread_setcancelstate, (PTHREAD_CANCEL_DISABLE, &state),
+                   0);
+#endif
+
   fflush (stdout);
 #ifdef _LIBC
   _IO_flockfile (stderr);
@@ -344,10 +274,10 @@ error_at_line (status, errnum, file_name, line_number, message, va_alist)
     {
 #if _LIBC
       if (_IO_fwide (stderr, 0) > 0)
-        __fwprintf (stderr, L"%s: ", progname);
+        __fwprintf (stderr, L"%s: ", program_name);
       else
 #endif
-        fprintf (stderr, "%s:", progname);
+        fprintf (stderr, "%s:", program_name);
     }
 
   if (file_name != NULL)
@@ -360,23 +290,14 @@ error_at_line (status, errnum, file_name, line_number, message, va_alist)
         fprintf (stderr, "%s:%d: ", file_name, line_number);
     }
 
-#ifdef VA_START
-  VA_START (args, message);
+  va_start (args, message);
   error_tail (status, errnum, message, args);
-#else
-  fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
-
-  ++error_message_count;
-  if (errnum)
-    print_errno_message (errnum);
-  putc ('\n', stderr);
-  fflush (stderr);
-  if (status)
-    exit (status);
-#endif
 
 #ifdef _LIBC
   _IO_funlockfile (stderr);
+# ifdef __libc_ptf_call
+  __libc_ptf_call (pthread_setcancelstate, (state, NULL), 0);
+# endif
 #endif
 }
 
diff --git a/lib/error.h b/lib/error.h
index 177b2dc..8ed6359 100644
--- a/lib/error.h
+++ b/lib/error.h
@@ -1,24 +1,20 @@
 /* Declaration for error-reporting function
-   Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 1997, 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
 
-
-   NOTE: The canonical source of this file is maintained with the GNU C Library.
-   Bugs can be reported to bug-glibc@prep.ai.mit.edu.
-
-   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 2, or (at your option) any
-   later version.
+   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 2, 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, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-   USA.  */
+   You should have received a copy of the GNU General Public License along
+   with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 #ifndef _ERROR_H
 #define _ERROR_H 1
@@ -40,17 +36,15 @@
 extern "C" {
 #endif
 
-#if defined (__STDC__) && __STDC__
-
 /* Print a message with `fprintf (stderr, FORMAT, ...)';
    if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM).
    If STATUS is nonzero, terminate the program with `exit (STATUS)'.  */
 
-extern void error (int status, int errnum, const char *format, ...)
+extern void error (int __status, int __errnum, const char *__format, ...)
      __attribute__ ((__format__ (__printf__, 3, 4)));
 
-extern void error_at_line (int status, int errnum, const char *fname,
-                           unsigned int lineno, const char *format, ...)
+extern void error_at_line (int __status, int __errnum, const char *__fname,
+                           unsigned int __lineno, const char *__format, ...)
      __attribute__ ((__format__ (__printf__, 5, 6)));
 
 /* If NULL, error will flush stdout, then print on stderr the program
@@ -58,12 +52,6 @@ extern void error_at_line (int status, int errnum, const char *fname,
    function without parameters instead.  */
 extern void (*error_print_progname) (void);
 
-#else
-void error ();
-void error_at_line ();
-extern void (*error_print_progname) ();
-#endif
-
 /* This variable is incremented each time `error' is called.  */
 extern unsigned int error_message_count;
 
diff --git a/lib/error.m4 b/lib/error.m4
index 717725d..0bc2e68 100644
--- a/lib/error.m4
+++ b/lib/error.m4
@@ -1,14 +1,15 @@
-#serial 5
+#serial 9
 
-dnl FIXME: put these prerequisite-only *.m4 files in a separate
-dnl directory -- otherwise, they'll conflict with existing files.
+AC_DEFUN([gl_ERROR],
+[
+  AC_FUNC_ERROR_AT_LINE
+  dnl Note: AC_FUNC_ERROR_AT_LINE does AC_LIBSOURCES([error.h, error.c]).
+  jm_PREREQ_ERROR
+])
 
-dnl These are the prerequisite macros for GNU's error.c file.
+# Prerequisites of lib/error.c.
 AC_DEFUN([jm_PREREQ_ERROR],
 [
-  AC_CHECK_FUNCS(strerror vprintf doprnt)
-  AC_CHECK_DECLS([strerror])
-  AC_CHECK_HEADERS([libintl.h])
-  AC_FUNC_STRERROR_R
-  AC_HEADER_STDC
+  AC_REQUIRE([AC_FUNC_STRERROR_R])
+  :
 ])
diff --git a/lib/exit.h b/lib/exit.h
new file mode 100644
index 0000000..4e8d465
--- /dev/null
+++ b/lib/exit.h
@@ -0,0 +1,32 @@
+/* exit() function.
+   Copyright (C) 1995, 2001 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 2, 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, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#ifndef _EXIT_H
+#define _EXIT_H
+
+/* Get exit() declaration.  */
+#include <stdlib.h>
+
+/* Some systems do not define EXIT_*, even with STDC_HEADERS.  */
+#ifndef EXIT_SUCCESS
+# define EXIT_SUCCESS 0
+#endif
+#ifndef EXIT_FAILURE
+# define EXIT_FAILURE 1
+#endif
+
+#endif /* _EXIT_H */
diff --git a/lib/exitfail.c b/lib/exitfail.c
new file mode 100644
index 0000000..2ae5f69
--- /dev/null
+++ b/lib/exitfail.c
@@ -0,0 +1,27 @@
+/* Failure exit status
+
+   Copyright (C) 2002, 2003 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 2, 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; see the file COPYING.
+   If not, write to the Free Software Foundation,
+   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "exitfail.h"
+#include "exit.h"
+
+int volatile exit_failure = EXIT_FAILURE;
diff --git a/lib/exitfail.h b/lib/exitfail.h
new file mode 100644
index 0000000..cf5ab71
--- /dev/null
+++ b/lib/exitfail.h
@@ -0,0 +1,20 @@
+/* Failure exit status
+
+   Copyright (C) 2002 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 2, 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; see the file COPYING.
+   If not, write to the Free Software Foundation,
+   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+extern int volatile exit_failure;
diff --git a/lib/fsusage.c b/lib/fsusage.c
index 7339c80..d926029 100644
--- a/lib/fsusage.c
+++ b/lib/fsusage.c
@@ -1,5 +1,7 @@
 /* fsusage.c -- return space usage of mounted filesystems
-   Copyright (C) 1991, 1992, 1996, 1998, 1999 Free Software Foundation, Inc.
+
+   Copyright (C) 1991, 1992, 1996, 1998, 1999, 2002, 2003 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
@@ -15,23 +17,26 @@
    along with this program; if not, write to the Free Software Foundation,
    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
-#include "config.h"
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
 
 #if HAVE_INTTYPES_H
 # include <inttypes.h>
+#else
+# if HAVE_STDINT_H
+#  include <stdint.h>
+# endif
 #endif
+#ifndef UINTMAX_MAX
+# define UINTMAX_MAX ((uintmax_t) -1)
+#endif
+
 #include <sys/types.h>
 #include <sys/stat.h>
 #include "fsusage.h"
 
-#if HAVE_LIMITS_H
-# include <limits.h>
-#endif
-#ifndef CHAR_BIT
-# define CHAR_BIT 8
-#endif
-
-int statfs ();
+#include <limits.h>
 
 #if HAVE_SYS_PARAM_H
 # include <sys/param.h>
@@ -49,7 +54,7 @@ int statfs ();
 # include <sys/fs/s5param.h>
 #endif
 
-#if defined (HAVE_SYS_FILSYS_H) && !defined (_CRAY)
+#if defined HAVE_SYS_FILSYS_H && !defined _CRAY
 # include <sys/filsys.h>        /* SVR2 */
 #endif
 
@@ -70,11 +75,18 @@ int statfs ();
 int statvfs ();
 #endif
 
+#include "full-read.h"
+
 /* Many space usage primitives use all 1 bits to denote a value that is
    not applicable or unknown.  Propagate this information by returning
-   a uintmax_t value that is all 1 bits if the argument is all 1 bits,
-   even if the argument is unsigned and smaller than uintmax_t.  */
-#define PROPAGATE_ALL_ONES(x) ((x) == -1 ? (uintmax_t) -1 : (uintmax_t) (x))
+   a uintmax_t value that is all 1 bits if X is all 1 bits, even if X
+   is unsigned and narrower than uintmax_t.  */
+#define PROPAGATE_ALL_ONES(x) \
+  ((sizeof (x) < sizeof (uintmax_t) \
+    && (~ (x) == (sizeof (x) < sizeof (int) \
+                  ? - (1 << (sizeof (x) * CHAR_BIT)) \
+                  : 0))) \
+   ? UINTMAX_MAX : (x))
 
 /* Extract the top bit of X as an uintmax_t value.  */
 #define EXTRACT_TOP_BIT(x) ((x) \
@@ -89,8 +101,6 @@ int statvfs ();
    otherwise, use PROPAGATE_ALL_ONES.  */
 #define PROPAGATE_TOP_BIT(x) ((x) | ~ (EXTRACT_TOP_BIT (x) - 1))
 
-int safe_read ();
-
 /* Fill in the fields of FSP with information about space usage for
    the filesystem on which PATH resides.
    DISK is the device on which PATH is mounted, for space-getting
@@ -147,7 +157,7 @@ get_fs_usage (const char *path, const char *disk, struct fs_usage *fsp)
   if (fd < 0)
     return -1;
   lseek (fd, (off_t) SUPERBOFF, 0);
-  if (safe_read (fd, (char *) &fsd, sizeof fsd) != sizeof fsd)
+  if (full_read (fd, (char *) &fsd, sizeof fsd) != sizeof fsd)
     {
       close (fd);
       return -1;
@@ -160,7 +170,7 @@ get_fs_usage (const char *path, const char *disk, struct fs_usage *fsp)
   fsp->fsu_bavail = PROPAGATE_TOP_BIT (fsd.s_tfree);
   fsp->fsu_bavail_top_bit_set = EXTRACT_TOP_BIT (fsd.s_tfree) != 0;
   fsp->fsu_files = (fsd.s_isize == -1
-                    ? (uintmax_t) -1
+                    ? UINTMAX_MAX
                     : (fsd.s_isize - 2) * INOPB * (fsd.s_type == Fs2b ? 2 : 1));
   fsp->fsu_ffree = PROPAGATE_ALL_ONES (fsd.s_tinode);
 
@@ -217,7 +227,7 @@ get_fs_usage (const char *path, const char *disk, struct fs_usage *fsp)
   /* Empirically, the block counts on most SVR3 and SVR3-derived
      systems seem to always be in terms of 512-byte blocks,
      no matter what value f_bsize has.  */
-# if _AIX || defined(_CRAY)
+# if _AIX || defined _CRAY
    fsp->fsu_blocksize = PROPAGATE_ALL_ONES (fsd.f_bsize);
 # else
    fsp->fsu_blocksize = 512;
@@ -233,12 +243,13 @@ get_fs_usage (const char *path, const char *disk, struct fs_usage *fsp)
     return -1;
 
   /* f_frsize isn't guaranteed to be supported.  */
-  fsp->fsu_blocksize =
-    PROPAGATE_ALL_ONES (fsd.f_frsize ? fsd.f_frsize : fsd.f_bsize);
+  fsp->fsu_blocksize = (fsd.f_frsize
+                        ? PROPAGATE_ALL_ONES (fsd.f_frsize)
+                        : PROPAGATE_ALL_ONES (fsd.f_bsize));
 
 #endif /* STAT_STATVFS */
 
-#if !defined(STAT_STATFS2_FS_DATA) && !defined(STAT_READ_FILSYS)
+#if !defined STAT_STATFS2_FS_DATA && !defined STAT_READ_FILSYS
                                 /* !Ultrix && !SVR2 */
 
   fsp->fsu_blocks = PROPAGATE_ALL_ONES (fsd.f_blocks);
@@ -253,7 +264,7 @@ get_fs_usage (const char *path, const char *disk, struct fs_usage *fsp)
   return 0;
 }
 
-#if defined(_AIX) && defined(_I386)
+#if defined _AIX && defined _I386
 /* AIX PS/2 does not supply statfs.  */
 
 int
diff --git a/lib/fsusage.h b/lib/fsusage.h
index e0c0db5..e2cbbf1 100644
--- a/lib/fsusage.h
+++ b/lib/fsusage.h
@@ -1,5 +1,6 @@
 /* fsusage.h -- declarations for filesystem space usage info
-   Copyright (C) 1991, 1992, 1997 Free Software Foundation, Inc.
+
+   Copyright (C) 1991, 1992, 1997, 2003 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
@@ -31,15 +32,6 @@ struct fs_usage
   uintmax_t fsu_ffree;          /* Free file nodes. */
 };
 
-# ifndef PARAMS
-#  if defined PROTOTYPES || (defined __STDC__ && __STDC__)
-#   define PARAMS(Args) Args
-#  else
-#   define PARAMS(Args) ()
-#  endif
-# endif
-
-int get_fs_usage PARAMS ((const char *path, const char *disk,
-                          struct fs_usage *fsp));
+int get_fs_usage (const char *path, const char *disk, struct fs_usage *fsp);
 
 #endif
diff --git a/lib/fsusage.m4 b/lib/fsusage.m4
index 85d0fc8..a0ab1e1 100644
--- a/lib/fsusage.m4
+++ b/lib/fsusage.m4
@@ -1,7 +1,18 @@
-#serial 9
+#serial 11
 
 # From fileutils/configure.in
 
+AC_DEFUN([gl_FSUSAGE],
+[
+  AC_CHECK_HEADERS_ONCE(sys/param.h)
+  AC_CHECK_HEADERS(sys/mount.h sys/vfs.h sys/fs_types.h)
+  jm_FILE_SYSTEM_USAGE([gl_cv_fs_space=yes], [gl_cv_fs_space=no])
+  if test $gl_cv_fs_space = yes; then
+    AC_LIBOBJ(fsusage)
+    gl_PREREQ_FSUSAGE_EXTRA
+  fi
+])
+
 # Try to determine how a program can obtain filesystem usage information.
 # If successful, define the appropriate symbol (see fsusage.c) and
 # execute ACTION-IF-FOUND.  Otherwise, execute ACTION-IF-NOT-FOUND.
@@ -193,7 +204,43 @@ if test $ac_fsusage_space = no; then
     ac_fsusage_space=yes)
 fi
 
-dnl AS_IF([test $ac_fsusage_space = yes], [$1], [$2])
-if test $ac_fsusage_space = yes ; then [$1] ; else [$2] ; fi
+AS_IF([test $ac_fsusage_space = yes], [$1], [$2])
 
 ])
+
+
+# Check for SunOS statfs brokenness wrt partitions 2GB and larger.
+# If <sys/vfs.h> exists and struct statfs has a member named f_spare,
+# enable the work-around code in fsusage.c.
+AC_DEFUN([jm_STATFS_TRUNCATES],
+[
+  AC_MSG_CHECKING([for statfs that truncates block counts])
+  AC_CACHE_VAL(fu_cv_sys_truncating_statfs,
+  [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#if !defined(sun) && !defined(__sun)
+choke -- this is a workaround for a Sun-specific problem
+#endif
+#include <sys/types.h>
+#include <sys/vfs.h>]],
+    [[struct statfs t; long c = *(t.f_spare);]])],
+    [fu_cv_sys_truncating_statfs=yes],
+    [fu_cv_sys_truncating_statfs=no])])
+  if test $fu_cv_sys_truncating_statfs = yes; then
+    AC_DEFINE(STATFS_TRUNCATES_BLOCK_COUNTS, 1,
+      [Define if the block counts reported by statfs may be truncated to 2GB
+       and the correct values may be stored in the f_spare array.
+       (SunOS 4.1.2, 4.1.3, and 4.1.3_U1 are reported to have this problem.
+       SunOS 4.1.1 seems not to be affected.)])
+  fi
+  AC_MSG_RESULT($fu_cv_sys_truncating_statfs)
+])
+
+
+# Prerequisites of lib/fsusage.c not done by jm_FILE_SYSTEM_USAGE.
+AC_DEFUN([gl_PREREQ_FSUSAGE_EXTRA],
+[
+  AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
+  AC_CHECK_HEADERS_ONCE(fcntl.h)
+  AC_CHECK_HEADERS(dustat.h sys/fs/s5param.h sys/filsys.h sys/statfs.h sys/statvfs.h)
+  jm_STATFS_TRUNCATES
+])
diff --git a/lib/full-read.h b/lib/full-read.h
new file mode 100644
index 0000000..71f19a3
--- /dev/null
+++ b/lib/full-read.h
@@ -0,0 +1,24 @@
+/* An interface to read() that reads all it is asked to read.
+
+   Copyright (C) 2002 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 2, 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, read to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include <stddef.h>
+
+/* Read COUNT bytes at BUF to descriptor FD, retrying if interrupted
+   or if partial reads occur.  Return the number of bytes successfully
+   read, setting errno if that is less than COUNT.  errno = 0 means EOF.  */
+extern size_t full_read (int fd, void *buf, size_t count);
diff --git a/lib/getloadavg.c b/lib/getloadavg.c
index e9c4c08..c6b6fee 100644
--- a/lib/getloadavg.c
+++ b/lib/getloadavg.c
@@ -1,6 +1,10 @@
 /* Get the system load averages.
-   Copyright (C) 1985, 86, 87, 88, 89, 91, 92, 93, 1994, 1995, 1997
-        Free Software Foundation, Inc.
+
+   Copyright (C) 1985, 1986, 1987, 1988, 1989, 1991, 1992, 1993, 1994,
+   1995, 1997, 1999, 2000, 2003, 2004 Free Software Foundation, Inc.
+
+   NOTE: The canonical source of this file is maintained with gnulib.
+   Bugs can be reported to bug-gnulib@gnu.org.
 
    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
@@ -35,12 +39,17 @@
    LOAD_AVE_TYPE                Type of the load average array in the kernel.
                                 Must be defined unless one of
                                 apollo, DGUX, NeXT, or UMAX is defined;
+                                or we have libkstat;
                                 otherwise, no load average is available.
+   HAVE_NLIST_H                 nlist.h is available.  NLIST_STRUCT defaults
+                                to this.
    NLIST_STRUCT                 Include nlist.h, not a.out.h, and
                                 the nlist n_name element is a pointer,
                                 not an array.
-   NLIST_NAME_UNION             struct nlist has an n_un member, not n_name.
+   HAVE_STRUCT_NLIST_N_UN_N_NAME `n_un.n_name' is member of `struct nlist'.
    LINUX_LDAV_FILE              [__linux__]: File containing load averages.
+   HAVE_LOCALE_H                locale.h is available.
+   HAVE_SETLOCALE               The `setlocale' function is available.
 
    Specific system predefines this file uses, aside from setting
    default values if not emacs:
@@ -62,7 +71,7 @@
    VMS
    WINDOWS32                    No-op for Windows95/NT.
    __linux__                    Linux: assumes /proc filesystem mounted.
-                                Support from Michael K. Johnson.
+                                Support from Michael K. Johnson.
    __NetBSD__                   NetBSD: assumes /kern filesystem mounted.
 
    In addition, to avoid nesting many #ifdefs, we internally set
@@ -81,7 +90,7 @@
 /* Both the Emacs and non-Emacs sections want this.  Some
    configuration files' definitions for the LOAD_AVE_CVT macro (like
    sparc.h's) use macros like FSCALE, defined here.  */
-#ifdef unix
+#if defined (unix) || defined (__unix)
 # include <sys/param.h>
 #endif
 
@@ -98,13 +107,15 @@
 extern int errno;
 #endif
 
-#if HAVE_LOCALE_H
+#ifdef HAVE_LOCALE_H
 # include <locale.h>
 #endif
-#if !HAVE_SETLOCALE
+#ifndef HAVE_SETLOCALE
 # define setlocale(Category, Locale) /* empty */
 #endif
 
+#include "cloexec.h"
+
 #ifndef HAVE_GETLOADAVG
 
 /* The existing Emacs configuration files define a macro called
@@ -117,7 +128,7 @@ extern int errno;
    LOAD_AVE_CVT, but future machine config files should just define
    LDAV_CVT directly.  */
 
-# if !defined(LDAV_CVT) && defined(LOAD_AVE_CVT)
+# if !defined (LDAV_CVT) && defined (LOAD_AVE_CVT)
 #  define LDAV_CVT(n) (LOAD_AVE_CVT (n) / 100.0)
 # endif
 
@@ -137,6 +148,12 @@ extern int errno;
 #  undef FSCALE
 # endif
 
+/* Same issues as for NeXT apply to the HURD-based GNU system.  */
+# ifdef __GNU__
+#  undef BSD
+#  undef FSCALE
+# endif /* __GNU__ */
+
 /* Set values that are different from the defaults, which are
    set a little farther down with #ifndef.  */
 
@@ -155,11 +172,11 @@ extern int errno;
 #  define sun
 # endif
 
-# if defined(hp300) && !defined(hpux)
+# if defined (hp300) && !defined (hpux)
 #  define MORE_BSD
 # endif
 
-# if defined(ultrix) && defined(mips)
+# if defined (ultrix) && defined (mips)
 #  define decstation
 # endif
 
@@ -167,7 +184,7 @@ extern int errno;
 #  define SVR4
 # endif
 
-# if (defined(sun) && defined(SVR4)) || defined (SOLARIS2)
+# if (defined (sun) && defined (SVR4)) || defined (SOLARIS2)
 #  define SUNOS_5
 # endif
 
@@ -239,7 +256,7 @@ extern int errno;
 #   define LOAD_AVE_TYPE long
 #  endif
 
-#  if defined(alliant) && defined(i860) /* Alliant FX/2800 */
+#  if defined (alliant) && defined (i860) /* Alliant FX/2800 */
 #   define LOAD_AVE_TYPE long
 #  endif
 
@@ -263,7 +280,7 @@ extern int errno;
 #  define FSCALE 1024.0
 # endif
 
-# if defined(alliant) && defined(i860) /* Alliant FX/2800 */
+# if defined (alliant) && defined (i860) /* Alliant FX/2800 */
 /* <sys/param.h> defines an incorrect value for FSCALE on an
    Alliant FX/2800 Concentrix 2.2, according to ghazi@noc.rutgers.edu.  */
 #  undef FSCALE
@@ -279,7 +296,7 @@ extern int errno;
 #   define FSCALE 2048.0
 #  endif
 
-#  if defined(MIPS) || defined(SVR4) || defined(decstation)
+#  if defined (MIPS) || defined (SVR4) || defined (decstation)
 #   define FSCALE 256
 #  endif
 
@@ -314,69 +331,7 @@ extern int errno;
 #  endif
 # endif
 
-/* VAX C can't handle multi-line #ifs, or lines longer that 256 characters.  */
-# ifndef NLIST_STRUCT
-
-#  ifdef MORE_BSD
-#   define NLIST_STRUCT
-#  endif
-
-#  ifdef sun
-#   define NLIST_STRUCT
-#  endif
-
-#  ifdef decstation
-#   define NLIST_STRUCT
-#  endif
-
-#  ifdef hpux
-#   define NLIST_STRUCT
-#  endif
-
-#  if defined (_SEQUENT_) || defined (sequent)
-#   define NLIST_STRUCT
-#  endif
-
-#  ifdef sgi
-#   define NLIST_STRUCT
-#  endif
-
-#  ifdef SVR4
-#   define NLIST_STRUCT
-#  endif
-
-#  ifdef sony_news
-#   define NLIST_STRUCT
-#  endif
-
-#  ifdef OSF_ALPHA
-#   define NLIST_STRUCT
-#  endif
-
-#  if defined (ardent) && defined (titan)
-#   define NLIST_STRUCT
-#  endif
-
-#  ifdef tek4300
-#   define NLIST_STRUCT
-#  endif
-
-#  ifdef butterfly
-#   define NLIST_STRUCT
-#  endif
-
-#  if defined(alliant) && defined(i860) /* Alliant FX/2800 */
-#   define NLIST_STRUCT
-#  endif
-
-#  ifdef _AIX
-#   define NLIST_STRUCT
-#  endif
-
-# endif /* defined (NLIST_STRUCT) */
-
-
-# if defined(sgi) || (defined(mips) && !defined(BSD))
+# if defined (sgi) || (defined (mips) && !defined (BSD))
 #  define FIXUP_KERNEL_SYMBOL_ADDR(nl) ((nl)[0].n_value &= ~(1 << 31))
 # endif
 
@@ -389,7 +344,7 @@ extern int errno;
 #  define KERNEL_FILE "/hp-ux"
 # endif
 
-# if !defined(KERNEL_FILE) && (defined(_SEQUENT_) || defined(MIPS) || defined(SVR4) || defined(ISC) || defined (sgi) || (defined (ardent) && defined (titan)))
+# if !defined (KERNEL_FILE) && (defined (_SEQUENT_) || defined (MIPS) || defined (SVR4) || defined (ISC) || defined (sgi) || (defined (ardent) && defined (titan)))
 #  define KERNEL_FILE "/unix"
 # endif
 
@@ -398,7 +353,7 @@ extern int errno;
 #  define LDAV_SYMBOL "_Loadavg"
 # endif
 
-# if !defined(LDAV_SYMBOL) && ((defined(hpux) && !defined(hp9000s300)) || defined(_SEQUENT_) || defined(SVR4) || defined(ISC) || defined(sgi) || (defined (ardent) && defined (titan)) || defined (_AIX))
+# if !defined (LDAV_SYMBOL) && ((defined (hpux) && !defined (hp9000s300)) || defined (_SEQUENT_) || defined (SVR4) || defined (ISC) || defined (sgi) || (defined (ardent) && defined (titan)) || defined (_AIX))
 #  define LDAV_SYMBOL "avenrun"
 # endif
 
@@ -410,7 +365,7 @@ extern int errno;
 
 /* LOAD_AVE_TYPE should only get defined if we're going to use the
    nlist method.  */
-# if !defined(LOAD_AVE_TYPE) && (defined(BSD) || defined(LDAV_CVT) || defined(KERNEL_FILE) || defined(LDAV_SYMBOL))
+# if !defined (LOAD_AVE_TYPE) && (defined (BSD) || defined (LDAV_CVT) || defined (KERNEL_FILE) || defined (LDAV_SYMBOL))
 #  define LOAD_AVE_TYPE double
 # endif
 
@@ -459,7 +414,7 @@ extern int errno;
 
 # endif /* LOAD_AVE_TYPE */
 
-# if defined(__GNU__) && !defined (NeXT)
+# if defined (__GNU__) && !defined (NeXT)
 /* Note that NeXT Openstep defines __GNU__ even though it should not.  */
 /* GNU system acts much like NeXT, for load average purposes,
    but not exactly.  */
@@ -506,7 +461,7 @@ extern int errno;
 #  include <sys/dg_sys_info.h>
 # endif
 
-# if defined(HAVE_FCNTL_H) || defined(_POSIX_VERSION)
+# if defined (HAVE_FCNTL_H) || defined (_POSIX_VERSION)
 #  include <fcntl.h>
 # else
 #  include <sys/file.h>
@@ -528,7 +483,7 @@ static unsigned int samples;
 static struct dg_sys_info_load_info load_info;  /* what-a-mouthful! */
 # endif /* DGUX */
 
-# ifdef LOAD_AVE_TYPE
+# if !defined (HAVE_LIBKSTAT) && defined (LOAD_AVE_TYPE)
 /* File descriptor open to /dev/kmem or VMS load ave driver.  */
 static int channel;
 /* Nonzero iff channel is valid.  */
@@ -536,7 +491,7 @@ static int getloadavg_initialized;
 /* Offset in kmem to seek to read load average, or 0 means invalid.  */
 static long offset;
 
-#  if !defined(VMS) && !defined(sgi) && !defined(__linux__)
+#  if !defined (VMS) && !defined (sgi) && !defined (__linux__)
 static struct nlist nl[2];
 #  endif /* Not VMS or sgi */
 
@@ -544,7 +499,7 @@ static struct nlist nl[2];
 static kvm_t *kd;
 #  endif /* SUNOS_5 */
 
-# endif /* LOAD_AVE_TYPE */
+# endif /* LOAD_AVE_TYPE && !HAVE_LIBKSTAT */
 
 /* Put the 1 minute, 5 minute and 15 minute load averages
    into the first NELEM elements of LOADAVG.
@@ -552,9 +507,7 @@ static kvm_t *kd;
    or -1 if an error occurred.  */
 
 int
-getloadavg (loadavg, nelem)
-     double loadavg[];
-     int nelem;
+getloadavg (double loadavg[], int nelem)
 {
   int elem = 0;                 /* Return value.  */
 
@@ -577,7 +530,7 @@ getloadavg (loadavg, nelem)
   if (kc == 0)
     return -1;
   ksp = kstat_lookup (kc, "unix", 0, "system_misc");
-  if (ksp == 0 )
+  if (ksp == 0)
     return -1;
   if (kstat_read (kc, ksp, 0) == -1)
     return -1;
@@ -592,20 +545,20 @@ getloadavg (loadavg, nelem)
     }
 
   if (nelem >= 1)
-    loadavg[elem++] = (double) kn->value.ul/FSCALE;
+    loadavg[elem++] = (double) kn->value.ul / FSCALE;
 
   if (nelem >= 2)
     {
       kn = kstat_data_lookup (ksp, "avenrun_5min");
       if (kn != 0)
         {
-          loadavg[elem++] = (double) kn->value.ul/FSCALE;
+          loadavg[elem++] = (double) kn->value.ul / FSCALE;
 
           if (nelem >= 3)
             {
               kn = kstat_data_lookup (ksp, "avenrun_15min");
               if (kn != 0)
-                loadavg[elem++] = (double) kn->value.ul/FSCALE;
+                loadavg[elem++] = (double) kn->value.ul / FSCALE;
             }
         }
     }
@@ -870,8 +823,8 @@ getloadavg (loadavg, nelem)
   for (elem = 0; elem < nelem; elem++)
     loadavg[elem]
       = (load_ave.tl_lscale == 0
-       ? load_ave.tl_avenrun.d[elem]
-       : (load_ave.tl_avenrun.l[elem] / (double) load_ave.tl_lscale));
+         ? load_ave.tl_avenrun.d[elem]
+         : (load_ave.tl_avenrun.l[elem] / (double) load_ave.tl_lscale));
 # endif /* OSF_ALPHA */
 
 # if !defined (LDAV_DONE) && defined (VMS)
@@ -914,7 +867,7 @@ getloadavg (loadavg, nelem)
     return -1;
 # endif /* VMS */
 
-# if !defined (LDAV_DONE) && defined(LOAD_AVE_TYPE) && !defined(VMS)
+# if !defined (LDAV_DONE) && defined (LOAD_AVE_TYPE) && !defined (VMS)
 
   /* UNIX-specific code -- read the average from /dev/kmem.  */
 
@@ -930,13 +883,13 @@ getloadavg (loadavg, nelem)
       strcpy (nl[0].n_name, LDAV_SYMBOL);
       strcpy (nl[1].n_name, "");
 #   else /* NLIST_STRUCT */
-#    ifdef NLIST_NAME_UNION
+#    ifdef HAVE_STRUCT_NLIST_N_UN_N_NAME
       nl[0].n_un.n_name = LDAV_SYMBOL;
       nl[1].n_un.n_name = 0;
-#    else /* not NLIST_NAME_UNION */
+#    else /* not HAVE_STRUCT_NLIST_N_UN_N_NAME */
       nl[0].n_name = LDAV_SYMBOL;
       nl[1].n_name = 0;
-#    endif /* not NLIST_NAME_UNION */
+#    endif /* not HAVE_STRUCT_NLIST_N_UN_N_NAME */
 #   endif /* NLIST_STRUCT */
 
 #   ifndef SUNOS_5
@@ -973,12 +926,7 @@ getloadavg (loadavg, nelem)
         {
           /* Set the channel to close on exec, so it does not
              litter any child's descriptor table.  */
-#   ifdef FD_SETFD
-#    ifndef FD_CLOEXEC
-#     define FD_CLOEXEC 1
-#    endif
-          (void) fcntl (channel, F_SETFD, FD_CLOEXEC);
-#   endif
+          set_cloexec_flag (channel, true);
           getloadavg_initialized = 1;
         }
 #  else /* SUNOS_5 */
@@ -1010,9 +958,9 @@ getloadavg (loadavg, nelem)
 #  else  /* SUNOS_5 */
       if (kvm_read (kd, offset, (char *) load_ave, sizeof (load_ave))
           != sizeof (load_ave))
-        {
-          kvm_close (kd);
-          getloadavg_initialized = 0;
+        {
+          kvm_close (kd);
+          getloadavg_initialized = 0;
         }
 #  endif /* SUNOS_5 */
     }
@@ -1046,9 +994,7 @@ getloadavg (loadavg, nelem)
 
 #ifdef TEST
 void
-main (argc, argv)
-     int argc;
-     char **argv;
+main (int argc, char **argv)
 {
   int naptime = 0;
 
diff --git a/lib/getopt.c b/lib/getopt.c
index 289d137..6dcdbeb 100644
--- a/lib/getopt.c
+++ b/lib/getopt.c
@@ -2,24 +2,26 @@
    NOTE: getopt is now part of the C library, so if you don't know what
    "Keep this file name-space clean" means, talk to drepper@gnu.org
    before changing it!
-   Copyright (C) 1987,88,89,90,91,92,93,94,95,96,98,99,2000,2001,2002
-        Free Software Foundation, Inc.
+
+   Copyright (C) 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+   1996, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation,
+   Inc.
+
    This file is part of the GNU C Library.
 
-   The GNU C Library 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 2.1 of the License, or (at your option) any later version.
+   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 2, or (at your option)
+   any later version.
 
-   The GNU C Library is distributed in the hope that it will be useful,
+   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
-   Lesser General Public License for more details.
+   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 the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
+   You should have received a copy of the GNU General Public License along
+   with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 /* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>.
    Ditto for AIX 3.2 and <stdlib.h>.  */
@@ -31,14 +33,6 @@
 # include <config.h>
 #endif
 
-#if !defined __STDC__ || !__STDC__
-/* This is a separate conditional since some stdc systems
-   reject `defined (const)'.  */
-# ifndef const
-#  define const
-# endif
-#endif
-
 #include <stdio.h>
 
 /* Comment out all this code if we are using the GNU C Library, and are not
@@ -69,26 +63,22 @@
 # include <unistd.h>
 #endif  /* GNU C library.  */
 
+#include <string.h>
+
 #ifdef VMS
 # include <unixlib.h>
-# if HAVE_STRING_H - 0
-#  include <string.h>
-# endif
 #endif
 
-#ifndef _
+#ifdef _LIBC
+# include <libintl.h>
+#else
 /* This is for other GNU distributions with internationalized messages.  */
-# if (HAVE_LIBINTL_H && ENABLE_NLS) || defined _LIBC
-#  include <libintl.h>
-#  ifndef _
-#   define _(msgid)     gettext (msgid)
-#  endif
-# else
-#  define _(msgid)      (msgid)
-# endif
-# if defined _LIBC && defined USE_IN_LIBIO
-#  include <wchar.h>
-# endif
+# include "gettext.h"
+#endif
+#define _(msgid) gettext (msgid)
+
+#if defined _LIBC && defined USE_IN_LIBIO
+# include <wchar.h>
 #endif
 
 #ifndef attribute_hidden
@@ -197,20 +187,7 @@ static enum
 /* Value of POSIXLY_CORRECT environment variable.  */
 static char *posixly_correct;
 
-#ifdef  __GNU_LIBRARY__
-/* We want to avoid inclusion of string.h with non-GNU libraries
-   because there are many ways it can cause trouble.
-   On some systems, it contains special magic macros that don't work
-   in GCC.  */
-# include <string.h>
-# define my_index       strchr
-#else
-
-# if HAVE_STRING_H
-#  include <string.h>
-# else
-#  include <strings.h>
-# endif
+#ifndef __GNU_LIBRARY__
 
 /* Avoid depending on library functions or files
    whose names are inconsistent.  */
@@ -219,32 +196,6 @@ static char *posixly_correct;
 extern char *getenv ();
 #endif
 
-static char *
-my_index (str, chr)
-     const char *str;
-     int chr;
-{
-  while (*str)
-    {
-      if (*str == chr)
-        return (char *) str;
-      str++;
-    }
-  return 0;
-}
-
-/* If using GCC, we can safely declare strlen this way.
-   If not using GCC, it is ok not to declare it.  */
-#ifdef __GNUC__
-/* Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h.
-   That was relevant to code that was here before.  */
-# if (!defined __STDC__ || !__STDC__) && !defined strlen
-/* gcc with -traditional declares the built-in strlen to return int,
-   and has done so at least since version 2.4.5. -- rms.  */
-extern int strlen (const char *);
-# endif /* not __STDC__ */
-#endif /* __GNUC__ */
-
 #endif /* not __GNU_LIBRARY__ */
 
 /* Handle permutation of arguments.  */
@@ -298,13 +249,8 @@ static int nonoption_flags_len;
    `first_nonopt' and `last_nonopt' are relocated so that they describe
    the new indices of the non-options in ARGV after they are moved.  */
 
-#if defined __STDC__ && __STDC__
-static void exchange (char **);
-#endif
-
 static void
-exchange (argv)
-     char **argv;
+exchange (char **argv)
 {
   int bottom = first_nonopt;
   int middle = last_nonopt;
@@ -384,14 +330,8 @@ exchange (argv)
 
 /* Initialize the internal data when the first call is made.  */
 
-#if defined __STDC__ && __STDC__
-static const char *_getopt_initialize (int, char *const *, const char *);
-#endif
 static const char *
-_getopt_initialize (argc, argv, optstring)
-     int argc;
-     char *const *argv;
-     const char *optstring;
+_getopt_initialize (int argc, char *const *argv, const char *optstring)
 {
   /* Start processing options with ARGV-element 1 (since ARGV-element 0
      is the program name); the sequence of previously skipped
@@ -510,13 +450,9 @@ _getopt_initialize (argc, argv, optstring)
    long-named options.  */
 
 int
-_getopt_internal (argc, argv, optstring, longopts, longind, long_only)
-     int argc;
-     char *const *argv;
-     const char *optstring;
-     const struct option *longopts;
-     int *longind;
-     int long_only;
+_getopt_internal (int argc, char *const *argv,
+                  const char *optstring, const struct option *longopts,
+                  int *longind, int long_only)
 {
   int print_errors = opterr;
   if (optstring[0] == ':')
@@ -641,7 +577,8 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
 
   if (longopts != NULL
       && (argv[optind][1] == '-'
-          || (long_only && (argv[optind][2] || !my_index (optstring, argv[optind][1])))))
+          || (long_only
+              && (argv[optind][2] || !strchr (optstring, argv[optind][1])))))
     {
       char *nameend;
       const struct option *p;
@@ -826,7 +763,7 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
          option, then it's an error.
          Otherwise interpret it as a short option.  */
       if (!long_only || argv[optind][1] == '-'
-          || my_index (optstring, *nextchar) == NULL)
+          || strchr (optstring, *nextchar) == NULL)
         {
           if (print_errors)
             {
@@ -881,7 +818,7 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
 
   {
     char c = *nextchar++;
-    char *temp = my_index (optstring, c);
+    char *temp = strchr (optstring, c);
 
     /* Increment `optind' when we start to process its last character.  */
     if (*nextchar == '\0')
@@ -1191,10 +1128,7 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
 }
 
 int
-getopt (argc, argv, optstring)
-     int argc;
-     char *const *argv;
-     const char *optstring;
+getopt (int argc, char *const *argv, const char *optstring)
 {
   return _getopt_internal (argc, argv, optstring,
                            (const struct option *) 0,
@@ -1210,9 +1144,7 @@ getopt (argc, argv, optstring)
    the above definition of `getopt'.  */
 
 int
-main (argc, argv)
-     int argc;
-     char **argv;
+main (int argc, char **argv)
 {
   int c;
   int digit_optind = 0;
diff --git a/lib/getopt.h b/lib/getopt.h
index 4283c35..5e15191 100644
--- a/lib/getopt.h
+++ b/lib/getopt.h
@@ -1,21 +1,23 @@
 /* Declarations for getopt.
-   Copyright (C) 1989-1994, 1996-1999, 2001 Free Software Foundation, Inc.
+
+   Copyright (C) 1989, 1990, 1991, 1992, 1993, 1994, 1996, 1997, 1998,
+   1999, 2001, 2003 Free Software Foundation, Inc.
+
    This file is part of the GNU C Library.
 
-   The GNU C Library 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 2.1 of the License, or (at your option) any later version.
+   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 2, or (at your option)
+   any later version.
 
-   The GNU C Library is distributed in the hope that it will be useful,
+   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
-   Lesser General Public License for more details.
+   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 the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
+   You should have received a copy of the GNU General Public License along
+   with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 #ifndef _GETOPT_H
 
@@ -78,7 +80,7 @@ extern int optopt;
    The field `has_arg' is:
    no_argument          (or 0) if the option does not take an argument,
    required_argument    (or 1) if the option requires an argument,
-   optional_argument    (or 2) if the option takes an optional argument.
+   optional_argument    (or 2) if the option takes an optional argument.
 
    If the field `flag' is not NULL, it points to a variable that is set
    to the value given in the field `val' when the option is found, but
@@ -93,11 +95,7 @@ extern int optopt;
 
 struct option
 {
-# if (defined __STDC__ && __STDC__) || defined __cplusplus
   const char *name;
-# else
-  char *name;
-# endif
   /* has_arg can't be an enum because some compilers complain about
      type mismatches in all the code that assumes it is an int.  */
   int has_arg;
@@ -137,17 +135,16 @@ struct option
    arguments to the option '\0'.  This behavior is specific to the GNU
    `getopt'.  */
 
-#if (defined __STDC__ && __STDC__) || defined __cplusplus
-# ifdef __GNU_LIBRARY__
+#ifdef __GNU_LIBRARY__
 /* Many other libraries have conflicting prototypes for getopt, with
    differences in the consts, in stdlib.h.  To avoid compilation
    errors, only prototype getopt for the GNU C library.  */
 extern int getopt (int ___argc, char *const *___argv, const char *__shortopts);
-# else /* not __GNU_LIBRARY__ */
+#else /* not __GNU_LIBRARY__ */
 extern int getopt ();
-# endif /* __GNU_LIBRARY__ */
+#endif /* __GNU_LIBRARY__ */
 
-# ifndef __need_getopt
+#ifndef __need_getopt
 extern int getopt_long (int ___argc, char *const *___argv,
                         const char *__shortopts,
                         const struct option *__longopts, int *__longind);
@@ -160,16 +157,7 @@ extern int _getopt_internal (int ___argc, char *const *___argv,
                              const char *__shortopts,
                              const struct option *__longopts, int *__longind,
                              int __long_only);
-# endif
-#else /* not __STDC__ */
-extern int getopt ();
-# ifndef __need_getopt
-extern int getopt_long ();
-extern int getopt_long_only ();
-
-extern int _getopt_internal ();
-# endif
-#endif /* __STDC__ */
+#endif
 
 #ifdef  __cplusplus
 }
diff --git a/lib/getopt1.c b/lib/getopt1.c
index ad06cc7..3288c72 100644
--- a/lib/getopt1.c
+++ b/lib/getopt1.c
@@ -1,22 +1,23 @@
 /* getopt_long and getopt_long_only entry points for GNU getopt.
-   Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98
-     Free Software Foundation, Inc.
+
+   Copyright (C) 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1996,
+   1997, 1998, 2003 Free Software Foundation, Inc.
+
    This file is part of the GNU C Library.
 
-   The GNU C Library 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 2.1 of the License, or (at your option) any later version.
+   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 2, or (at your option)
+   any later version.
 
-   The GNU C Library is distributed in the hope that it will be useful,
+   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
-   Lesser General Public License for more details.
+   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 the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
+   You should have received a copy of the GNU General Public License along
+   with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 #ifdef HAVE_CONFIG_H
 #include <config.h>
@@ -28,14 +29,6 @@
 # include "getopt.h"
 #endif
 
-#if !defined __STDC__ || !__STDC__
-/* This is a separate conditional since some stdc systems
-   reject `defined (const)'.  */
-#ifndef const
-#define const
-#endif
-#endif
-
 #include <stdio.h>
 
 /* Comment out all this code if we are using the GNU C Library, and are not
@@ -68,12 +61,11 @@
 #endif
 
 int
-getopt_long (argc, argv, options, long_options, opt_index)
-     int argc;
-     char *const *argv;
-     const char *options;
-     const struct option *long_options;
-     int *opt_index;
+getopt_long (int argc,
+             char *const *argv,
+             const char *options,
+             const struct option *long_options,
+             int *opt_index)
 {
   return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
 }
@@ -84,12 +76,11 @@ getopt_long (argc, argv, options, long_options, opt_index)
    instead.  */
 
 int
-getopt_long_only (argc, argv, options, long_options, opt_index)
-     int argc;
-     char *const *argv;
-     const char *options;
-     const struct option *long_options;
-     int *opt_index;
+getopt_long_only (int argc,
+                  char *const *argv,
+                  const char *options,
+                  const struct option *long_options,
+                  int *opt_index)
 {
   return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
 }
@@ -106,9 +97,7 @@ libc_hidden_def (getopt_long_only)
 #include <stdio.h>
 
 int
-main (argc, argv)
-     int argc;
-     char **argv;
+main (int argc, char **argv)
 {
   int c;
   int digit_optind = 0;
diff --git a/lib/gettext.h b/lib/gettext.h
index 8b262f4..835732e 100644
--- a/lib/gettext.h
+++ b/lib/gettext.h
@@ -1,20 +1,19 @@
 /* Convenience header for conditional use of GNU <libintl.h>.
    Copyright (C) 1995-1998, 2000-2002 Free Software Foundation, Inc.
 
-   This program is free software; you can redistribute it and/or modify it
-   under the terms of the GNU Library General Public License as published
-   by the Free Software Foundation; either version 2, or (at your option)
+   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 2, 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
-   Library General Public License for more details.
+   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 Library General Public
-   License along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-   USA.  */
+   You should have received a copy of the GNU General Public License along
+   with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 #ifndef _LIBGETTEXT_H
 #define _LIBGETTEXT_H 1
diff --git a/lib/ls-mntd-fs.m4 b/lib/ls-mntd-fs.m4
index 3ba42a3..c28466b 100644
--- a/lib/ls-mntd-fs.m4
+++ b/lib/ls-mntd-fs.m4
@@ -1,4 +1,4 @@
-#serial 12
+#serial 14
 
 dnl From Jim Meyering.
 dnl
@@ -10,13 +10,20 @@ dnl
 AC_DEFUN([jm_LIST_MOUNTED_FILESYSTEMS],
   [
 AC_CHECK_FUNCS(listmntent getmntinfo)
-AC_CHECK_HEADERS(mntent.h sys/param.h sys/ucred.h sys/mount.h sys/fs_types.h)
+AC_CHECK_HEADERS_ONCE(sys/param.h)
+
+# We must include grp.h before ucred.h on OSF V4.0, since ucred.h uses
+# NGROUPS (as the array dimension for a struct member) without a definition.
+AC_CHECK_HEADERS(sys/ucred.h, [], [], [#include <grp.h>])
+
+AC_CHECK_HEADERS(mntent.h sys/mount.h sys/fs_types.h)
     getfsstat_includes="\
 $ac_includes_default
 #if HAVE_SYS_PARAM_H
 # include <sys/param.h> /* needed by powerpc-apple-darwin1.3.7 */
 #endif
 #if HAVE_SYS_UCRED_H
+# include <grp.h> /* needed for definition of NGROUPS */
 # include <sys/ucred.h> /* needed by powerpc-apple-darwin1.3.7 */
 #endif
 #if HAVE_SYS_MOUNT_H
@@ -63,7 +70,7 @@ yes
     ac_list_mounted_fs=found
     AC_DEFINE(MOUNTED_LISTMNTENT, 1,
       [Define if there is a function named listmntent that can be used to
-   list all mounted filesystems. (UNICOS)])
+       list all mounted filesystems. (UNICOS)])
   fi
 fi
 
@@ -79,8 +86,8 @@ if test -z "$ac_list_mounted_fs"; then
     ac_list_mounted_fs=found
     AC_DEFINE(MOUNTED_VMOUNT, 1,
         [Define if there is a function named mntctl that can be used to read
-   the list of mounted filesystems, and there is a system header file
-   that declares `struct vmount.'  (AIX)])
+         the list of mounted filesystems, and there is a system header file
+         that declares `struct vmount.'  (AIX)])
   fi
 fi
 
@@ -117,9 +124,9 @@ if test $ac_cv_func_getmntent = yes; then
     if test $fu_cv_sys_mounted_getmntent1 = yes; then
       ac_list_mounted_fs=found
       AC_DEFINE(MOUNTED_GETMNTENT1, 1,
-  [Define if there is a function named getmntent for reading the list
-   of mounted filesystems, and that function takes a single argument.
-   (4.3BSD, SunOS, HP-UX, Dynix, Irix)])
+        [Define if there is a function named getmntent for reading the list
+         of mounted filesystems, and that function takes a single argument.
+         (4.3BSD, SunOS, HP-UX, Dynix, Irix)])
     fi
   fi
 
@@ -134,8 +141,8 @@ if test $ac_cv_func_getmntent = yes; then
     if test $fu_cv_sys_mounted_getmntent2 = yes; then
       ac_list_mounted_fs=found
       AC_DEFINE(MOUNTED_GETMNTENT2, 1,
-  [Define if there is a function named getmntent for reading the list of
-   mounted filesystems, and that function takes two arguments.  (SVR4)])
+        [Define if there is a function named getmntent for reading the list of
+         mounted filesystems, and that function takes two arguments.  (SVR4)])
     fi
   fi
 
@@ -166,7 +173,7 @@ if test -z "$ac_list_mounted_fs"; then
     ac_list_mounted_fs=found
     AC_DEFINE(MOUNTED_GETFSSTAT, 1,
               [Define if there is a function named getfsstat for reading the
-   list of mounted filesystems.  (DEC Alpha running OSF/1)])
+               list of mounted filesystems.  (DEC Alpha running OSF/1)])
   fi
 fi
 
@@ -184,9 +191,9 @@ if test -z "$ac_list_mounted_fs"; then
   if test $fu_cv_sys_mounted_fread_fstyp = yes; then
     ac_list_mounted_fs=found
     AC_DEFINE(MOUNTED_FREAD_FSTYP, 1,
-[Define if (like SVR2) there is no specific function for reading the
-   list of mounted filesystems, and your system has these header files:
-   <sys/fstyp.h> and <sys/statfs.h>.  (SVR3)])
+      [Define if (like SVR2) there is no specific function for reading the
+       list of mounted filesystems, and your system has these header files:
+       <sys/fstyp.h> and <sys/statfs.h>.  (SVR3)])
   fi
 fi
 
@@ -204,7 +211,7 @@ if test -z "$ac_list_mounted_fs"; then
     ac_list_mounted_fs=found
     AC_DEFINE(MOUNTED_GETMNTINFO, 1,
               [Define if there is a function named getmntinfo for reading the
-   list of mounted filesystems.  (4.4BSD, Darwin)])
+               list of mounted filesystems.  (4.4BSD, Darwin)])
   fi
 fi
 
@@ -222,7 +229,7 @@ if test -z "$ac_list_mounted_fs"; then
     ac_list_mounted_fs=found
     AC_DEFINE(MOUNTED_GETMNT, 1,
       [Define if there is a function named getmnt for reading the list of
-   mounted filesystems.  (Ultrix)])
+       mounted filesystems.  (Ultrix)])
   fi
 fi
 
@@ -243,7 +250,7 @@ if test -z "$ac_list_mounted_fs"; then
     ac_list_mounted_fs=found
     AC_DEFINE(MOUNTED_FS_STAT_DEV, 1,
       [Define if there are functions named next_dev and fs_stat_dev for
-   reading the list of mounted filesystems.  (BeOS)])
+       reading the list of mounted filesystems.  (BeOS)])
   fi
 fi
 
@@ -259,7 +266,8 @@ if test -z "$ac_list_mounted_fs"; then
     ac_list_mounted_fs=found
     AC_DEFINE(MOUNTED_FREAD, 1,
               [Define if there is no specific function for reading the list of
-   mounted filesystems.  fread will be used to read /etc/mnttab.  (SVR2) ])
+               mounted filesystems.  fread will be used to read /etc/mnttab.
+               (SVR2) ])
   fi
 fi
 
diff --git a/lib/malloc.c b/lib/malloc.c
index 5e7674b..a43d169 100644
--- a/lib/malloc.c
+++ b/lib/malloc.c
@@ -22,14 +22,12 @@
 #endif
 #undef malloc
 
-#include <sys/types.h>
-
-char *malloc ();
+#include <stdlib.h>
 
 /* Allocate an N-byte block of memory from the heap.
    If N is zero, allocate a 1-byte block.  */
 
-char *
+void *
 rpl_malloc (size_t n)
 {
   if (n == 0)
diff --git a/lib/mountlist.c b/lib/mountlist.c
index 1af3cbb..631be31 100644
--- a/lib/mountlist.c
+++ b/lib/mountlist.c
@@ -1,5 +1,5 @@
 /* mountlist.c -- return a list of mounted filesystems
-   Copyright (C) 1991, 1992, 1997-2000 Free Software Foundation, Inc.
+   Copyright (C) 1991, 1992, 1997-2004 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
@@ -15,29 +15,24 @@
    along with this program; if not, write to the Free Software Foundation,
    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
-#include "config.h"
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
 
 #include <stdio.h>
 #include <sys/types.h>
-#include "mountlist.h"
+#include <stdlib.h>
+#include <string.h>
 
-#ifdef STDC_HEADERS
-# include <stdlib.h>
-#else
-void free ();
-#endif
-#if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
-# include <string.h>
-#else
-# include <strings.h>
+#include "xalloc.h"
+
+#ifndef SIZE_MAX
+# define SIZE_MAX ((size_t) -1)
 #endif
 
 #ifndef strstr
 char *strstr ();
 #endif
-/* char *xmalloc (); */
-/* char *realloc (); */
-/* char *xstrdup (); */
 
 #include <errno.h>
 #ifndef errno
@@ -56,18 +51,35 @@ extern int errno;
 # include <sys/param.h>
 #endif
 
-#if defined (MOUNTED_GETFSSTAT) /* __alpha running OSF_1 */
-# include <sys/mount.h>
-# include <sys/fs_types.h>
+#if defined MOUNTED_GETFSSTAT   /* OSF_1 and Darwin1.3.x */
+# if HAVE_SYS_UCRED_H
+#  include <grp.h> /* needed on OSF V4.0 for definition of NGROUPS,
+                      NGROUPS is used as an array dimension in ucred.h */
+#  include <sys/ucred.h> /* needed by powerpc-apple-darwin1.3.7 */
+# endif
+# if HAVE_SYS_MOUNT_H
+#  include <sys/mount.h>
+# endif
+# if HAVE_SYS_FS_TYPES_H
+#  include <sys/fs_types.h> /* needed by powerpc-apple-darwin1.3.7 */
+# endif
+# if HAVE_STRUCT_FSSTAT_F_FSTYPENAME
+#  define FS_TYPE(Ent) ((Ent).f_fstypename)
+# else
+#  define FS_TYPE(Ent) mnt_names[(Ent).f_type]
+# endif
 #endif /* MOUNTED_GETFSSTAT */
 
 #ifdef MOUNTED_GETMNTENT1       /* 4.3BSD, SunOS, HP-UX, Dynix, Irix.  */
 # include <mntent.h>
-# if !defined(MOUNTED)
-#  if defined(MNT_MNTTAB)       /* HP-UX.  */
+# if !defined MOUNTED
+#  if defined _PATH_MOUNTED     /* GNU libc  */
+#   define MOUNTED _PATH_MOUNTED
+#  endif
+#  if defined MNT_MNTTAB        /* HP-UX.  */
 #   define MOUNTED MNT_MNTTAB
 #  endif
-#  if defined(MNTTABNAME)       /* Dynix.  */
+#  if defined MNTTABNAME        /* Dynix.  */
 #   define MOUNTED MNTTABNAME
 #  endif
 # endif
@@ -121,12 +133,16 @@ extern int errno;
 # include <sys/mntent.h>
 #endif
 
-#if defined (MNTOPT_IGNORE) && defined (HAVE_HASMNTOPT)
+#undef MNT_IGNORE
+#if defined MNTOPT_IGNORE && defined HAVE_HASMNTOPT
 # define MNT_IGNORE(M) hasmntopt ((M), MNTOPT_IGNORE)
 #else
 # define MNT_IGNORE(M) 0
 #endif
 
+#include "mountlist.h"
+#include "unlocked-io.h"
+
 #ifdef MOUNTED_GETMNTENT1       /* 4.3BSD, SunOS, HP-UX, Dynix, Irix.  */
 /* Return the value of the hexadecimal number represented by CP.
    No prefix (like '0x') or suffix (like 'h') is expected to be
@@ -303,21 +319,22 @@ read_filesystem_list (int need_fs_type)
        remove. Specifically, automount create normal NFS mounts.
        */
 
-    if(listmntent(&mntlist, KMTAB, NULL, NULL) < 0)
+    if (listmntent (&mntlist, KMTAB, NULL, NULL) < 0)
       return NULL;
     for (p = mntlist; p; p = p->next) {
       mnt = p->ment;
-      me = (struct mount_entry*) malloc(sizeof (struct mount_entry));
-      me->me_devname = strdup(mnt->mnt_fsname);
-      me->me_mountdir = strdup(mnt->mnt_dir);
-      me->me_type = strdup(mnt->mnt_type);
+      me = xmalloc (sizeof *me);
+      me->me_devname = xstrdup (mnt->mnt_fsname);
+      me->me_mountdir = xstrdup (mnt->mnt_dir);
+      me->me_type = xstrdup (mnt->mnt_type);
+      me->me_type_malloced = 1;
       me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
       me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
       me->me_dev = -1;
       *mtail = me;
       mtail = &me->me_next;
     }
-    freemntlist(mntlist);
+    freemntlist (mntlist);
   }
 #endif
 
@@ -334,10 +351,11 @@ read_filesystem_list (int need_fs_type)
 
     while ((mnt = getmntent (fp)))
       {
-        me = (struct mount_entry *) malloc (sizeof (struct mount_entry));
-        me->me_devname = strdup (mnt->mnt_fsname);
-        me->me_mountdir = strdup (mnt->mnt_dir);
-        me->me_type = strdup (mnt->mnt_type);
+        me = xmalloc (sizeof *me);
+        me->me_devname = xstrdup (mnt->mnt_fsname);
+        me->me_mountdir = xstrdup (mnt->mnt_dir);
+        me->me_type = xstrdup (mnt->mnt_type);
+        me->me_type_malloced = 1;
         me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
         me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
         devopt = strstr (mnt->mnt_opts, "dev=");
@@ -373,10 +391,11 @@ read_filesystem_list (int need_fs_type)
       {
         char *fs_type = fsp_to_string (fsp);
 
-        me = (struct mount_entry *) malloc (sizeof (struct mount_entry));
-        me->me_devname = strdup (fsp->f_mntfromname);
-        me->me_mountdir = strdup (fsp->f_mntonname);
+        me = xmalloc (sizeof *me);
+        me->me_devname = xstrdup (fsp->f_mntfromname);
+        me->me_mountdir = xstrdup (fsp->f_mntonname);
         me->me_type = fs_type;
+        me->me_type_malloced = 0;
         me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
         me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
         me->me_dev = (dev_t) -1;        /* Magic; means not known yet. */
@@ -398,10 +417,11 @@ read_filesystem_list (int need_fs_type)
            0 < (val = getmnt (&offset, &fsd, sizeof (fsd), NOSTAT_MANY,
                               (char *) 0)))
       {
-        me = (struct mount_entry *) malloc (sizeof (struct mount_entry));
-        me->me_devname = strdup (fsd.fd_req.devname);
-        me->me_mountdir = strdup (fsd.fd_req.path);
+        me = xmalloc (sizeof *me);
+        me->me_devname = xstrdup (fsd.fd_req.devname);
+        me->me_mountdir = xstrdup (fsd.fd_req.path);
         me->me_type = gt_names[fsd.fd_req.fstype];
+        me->me_type_malloced = 0;
         me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
         me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
         me->me_dev = fsd.fd_req.dev;
@@ -415,7 +435,7 @@ read_filesystem_list (int need_fs_type)
   }
 #endif /* MOUNTED_GETMNT. */
 
-#if defined (MOUNTED_FS_STAT_DEV) /* BeOS */
+#if defined MOUNTED_FS_STAT_DEV /* BeOS */
   {
     /* The next_dev() and fs_stat_dev() system calls give the list of
        all filesystems, including the information returned by statvfs()
@@ -458,19 +478,17 @@ read_filesystem_list (int need_fs_type)
               continue;
 
             if (strcmp (d->d_name, ".") == 0)
-              name = strdup ("/");
+              name = xstrdup ("/");
             else
               {
-                name = malloc (1 + strlen (d->d_name) + 1);
+                name = xmalloc (1 + strlen (d->d_name) + 1);
                 name[0] = '/';
                 strcpy (name + 1, d->d_name);
               }
 
             if (lstat (name, &statbuf) >= 0 && S_ISDIR (statbuf.st_mode))
               {
-                struct rootdir_entry *re;
-
-                re = (struct rootdir_entry *) malloc (sizeof (struct rootdir_entry));
+                struct rootdir_entry *re = xmalloc (sizeof *re);
                 re->name = name;
                 re->dev = statbuf.st_dev;
                 re->ino = statbuf.st_ino;
@@ -496,10 +514,11 @@ read_filesystem_list (int need_fs_type)
             if (re->dev == fi.dev && re->ino == fi.root)
               break;
 
-          me = (struct mount_entry *) malloc (sizeof (struct mount_entry));
-          me->me_devname = strdup (fi.device_name[0] != '\0' ? fi.device_name : fi.fsh_name);
-          me->me_mountdir = strdup (re != NULL ? re->name : fi.fsh_name);
-          me->me_type = strdup (fi.fsh_name);
+          me = xmalloc (sizeof *me);
+          me->me_devname = xstrdup (fi.device_name[0] != '\0' ? fi.device_name : fi.fsh_name);
+          me->me_mountdir = xstrdup (re != NULL ? re->name : fi.fsh_name);
+          me->me_type = xstrdup (fi.fsh_name);
+          me->me_type_malloced = 1;
           me->me_dev = fi.dev;
           me->me_dummy = 0;
           me->me_remote = (fi.flags & B_FS_IS_SHARED) != 0;
@@ -520,18 +539,21 @@ read_filesystem_list (int need_fs_type)
   }
 #endif /* MOUNTED_FS_STAT_DEV */
 
-#if defined (MOUNTED_GETFSSTAT) /* __alpha running OSF_1 */
+#if defined MOUNTED_GETFSSTAT   /* __alpha running OSF_1 */
   {
-    int numsys, counter, bufsize;
+    int numsys, counter;
+    size_t bufsize;
     struct statfs *stats;
 
-    numsys = getfsstat ((struct statfs *)0, 0L, MNT_WAIT);
+    numsys = getfsstat ((struct statfs *)0, 0L, MNT_NOWAIT);
     if (numsys < 0)
       return (NULL);
+    if (SIZE_MAX / sizeof *stats <= numsys)
+      xalloc_die ();
 
-    bufsize = (1 + numsys) * sizeof (struct statfs);
-    stats = (struct statfs *)malloc (bufsize);
-    numsys = getfsstat (stats, bufsize, MNT_WAIT);
+    bufsize = (1 + numsys) * sizeof *stats;
+    stats = xmalloc (bufsize);
+    numsys = getfsstat (stats, bufsize, MNT_NOWAIT);
 
     if (numsys < 0)
       {
@@ -541,10 +563,11 @@ read_filesystem_list (int need_fs_type)
 
     for (counter = 0; counter < numsys; counter++)
       {
-        me = (struct mount_entry *) malloc (sizeof (struct mount_entry));
-        me->me_devname = strdup (stats[counter].f_mntfromname);
-        me->me_mountdir = strdup (stats[counter].f_mntonname);
-        me->me_type = mnt_names[stats[counter].f_type];
+        me = xmalloc (sizeof *me);
+        me->me_devname = xstrdup (stats[counter].f_mntfromname);
+        me->me_mountdir = xstrdup (stats[counter].f_mntonname);
+        me->me_type = xstrdup (FS_TYPE (stats[counter]));
+        me->me_type_malloced = 1;
         me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
         me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
         me->me_dev = (dev_t) -1;        /* Magic; means not known yet. */
@@ -558,7 +581,7 @@ read_filesystem_list (int need_fs_type)
   }
 #endif /* MOUNTED_GETFSSTAT */
 
-#if defined (MOUNTED_FREAD) || defined (MOUNTED_FREAD_FSTYP) /* SVR[23].  */
+#if defined MOUNTED_FREAD || defined MOUNTED_FREAD_FSTYP /* SVR[23].  */
   {
     struct mnttab mnt;
     char *table = "/etc/mnttab";
@@ -570,17 +593,18 @@ read_filesystem_list (int need_fs_type)
 
     while (fread (&mnt, sizeof mnt, 1, fp) > 0)
       {
-        me = (struct mount_entry *) malloc (sizeof (struct mount_entry));
+        me = xmalloc (sizeof *me);
 # ifdef GETFSTYP                        /* SVR3.  */
-        me->me_devname = strdup (mnt.mt_dev);
+        me->me_devname = xstrdup (mnt.mt_dev);
 # else
-        me->me_devname = malloc (strlen (mnt.mt_dev) + 6);
+        me->me_devname = xmalloc (strlen (mnt.mt_dev) + 6);
         strcpy (me->me_devname, "/dev/");
         strcpy (me->me_devname + 5, mnt.mt_dev);
 # endif
-        me->me_mountdir = strdup (mnt.mt_filsys);
+        me->me_mountdir = xstrdup (mnt.mt_filsys);
         me->me_dev = (dev_t) -1;        /* Magic; means not known yet. */
         me->me_type = "";
+        me->me_type_malloced = 0;
 # ifdef GETFSTYP                        /* SVR3.  */
         if (need_fs_type)
           {
@@ -589,7 +613,10 @@ read_filesystem_list (int need_fs_type)
 
             if (statfs (me->me_mountdir, &fsd, sizeof fsd, 0) != -1
                 && sysfs (GETFSTYP, fsd.f_fstyp, typebuf) != -1)
-              me->me_type = strdup (typebuf);
+              {
+                me->me_type = xstrdup (typebuf);
+                me->me_type_malloced = 1;
+              }
           }
 # endif
         me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
@@ -602,6 +629,7 @@ read_filesystem_list (int need_fs_type)
 
     if (ferror (fp))
       {
+        /* The last fread() call must have failed.  */
         int saved_errno = errno;
         fclose (fp);
         errno = saved_errno;
@@ -615,13 +643,14 @@ read_filesystem_list (int need_fs_type)
 
 #ifdef MOUNTED_GETMNTTBL        /* DolphinOS goes it's own way */
   {
-    struct mntent **mnttbl=getmnttbl(),**ent;
+    struct mntent **mnttbl = getmnttbl (), **ent;
     for (ent=mnttbl;*ent;ent++)
       {
-        me = (struct mount_entry *) malloc (sizeof (struct mount_entry));
-        me->me_devname = strdup ( (*ent)->mt_resource);
-        me->me_mountdir = strdup( (*ent)->mt_directory);
-        me->me_type =  strdup ((*ent)->mt_fstype);
+        me = xmalloc (sizeof *me);
+        me->me_devname = xstrdup ( (*ent)->mt_resource);
+        me->me_mountdir = xstrdup ( (*ent)->mt_directory);
+        me->me_type = xstrdup ((*ent)->mt_fstype);
+        me->me_type_malloced = 1;
         me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
         me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
         me->me_dev = (dev_t) -1;        /* Magic; means not known yet. */
@@ -630,7 +659,7 @@ read_filesystem_list (int need_fs_type)
         *mtail = me;
         mtail = &me->me_next;
       }
-    endmnttbl();
+    endmnttbl ();
   }
 #endif
 
@@ -679,10 +708,11 @@ read_filesystem_list (int need_fs_type)
       {
         while ((ret = getmntent (fp, &mnt)) == 0)
           {
-            me = (struct mount_entry *) malloc (sizeof (struct mount_entry));
-            me->me_devname = strdup (mnt.mnt_special);
-            me->me_mountdir = strdup (mnt.mnt_mountp);
-            me->me_type = strdup (mnt.mnt_fstype);
+            me = xmalloc (sizeof *me);
+            me->me_devname = xstrdup (mnt.mnt_special);
+            me->me_mountdir = xstrdup (mnt.mnt_mountp);
+            me->me_type = xstrdup (mnt.mnt_fstype);
+            me->me_type_malloced = 1;
             me->me_dummy = MNT_IGNORE (&mnt) != 0;
             me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
             me->me_dev = (dev_t) -1;    /* Magic; means not known yet. */
@@ -711,21 +741,32 @@ read_filesystem_list (int need_fs_type)
     int bufsize;
     char *entries, *thisent;
     struct vmount *vmp;
+    int n_entries;
+    int i;
 
     /* Ask how many bytes to allocate for the mounted filesystem info.  */
-    mntctl (MCTL_QUERY, sizeof bufsize, (struct vmount *) &bufsize);
-    entries = malloc (bufsize);
+    if (mntctl (MCTL_QUERY, sizeof bufsize, (struct vmount *) &bufsize) != 0)
+      return NULL;
+    entries = xmalloc (bufsize);
 
     /* Get the list of mounted filesystems.  */
-    mntctl (MCTL_QUERY, bufsize, (struct vmount *) entries);
+    n_entries = mntctl (MCTL_QUERY, bufsize, (struct vmount *) entries);
+    if (n_entries < 0)
+      {
+        int saved_errno = errno;
+        free (entries);
+        errno = saved_errno;
+        return NULL;
+      }
 
-    for (thisent = entries; thisent < entries + bufsize;
-         thisent += vmp->vmt_length)
+    for (i = 0, thisent = entries;
+         i < n_entries;
+         i++, thisent += vmp->vmt_length)
       {
         char *options, *ignore;
 
         vmp = (struct vmount *) thisent;
-        me = (struct mount_entry *) xmalloc (sizeof (struct mount_entry));
+        me = xmalloc (sizeof *me);
         if (vmp->vmt_flags & MNT_REMOTE)
           {
             char *host, *path;
@@ -734,7 +775,7 @@ read_filesystem_list (int need_fs_type)
             /* Prepend the remote pathname.  */
             host = thisent + vmp->vmt_data[VMT_HOSTNAME].vmt_off;
             path = thisent + vmp->vmt_data[VMT_OBJECT].vmt_off;
-            me->me_devname = malloc (strlen (host) + strlen (path) + 2);
+            me->me_devname = xmalloc (strlen (host) + strlen (path) + 2);
             strcpy (me->me_devname, host);
             strcat (me->me_devname, ":");
             strcat (me->me_devname, path);
@@ -742,11 +783,12 @@ read_filesystem_list (int need_fs_type)
         else
           {
             me->me_remote = 0;
-            me->me_devname = strdup (thisent +
+            me->me_devname = xstrdup (thisent +
                                       vmp->vmt_data[VMT_OBJECT].vmt_off);
           }
-        me->me_mountdir = strdup (thisent + vmp->vmt_data[VMT_STUB].vmt_off);
-        me->me_type = strdup (fstype_to_string (vmp->vmt_gfstype));
+        me->me_mountdir = xstrdup (thisent + vmp->vmt_data[VMT_STUB].vmt_off);
+        me->me_type = xstrdup (fstype_to_string (vmp->vmt_gfstype));
+        me->me_type_malloced = 1;
         options = thisent + vmp->vmt_data[VMT_ARGS].vmt_off;
         ignore = strstr (options, "ignore");
         me->me_dummy = (ignore
@@ -777,7 +819,8 @@ read_filesystem_list (int need_fs_type)
         me = mount_list->me_next;
         free (mount_list->me_devname);
         free (mount_list->me_mountdir);
-        /* FIXME: me_type is not always malloced.  */
+        if (mount_list->me_type_malloced)
+          free (mount_list->me_type);
         free (mount_list);
         mount_list = me;
       }
diff --git a/lib/mountlist.h b/lib/mountlist.h
index c41490c..9e550a0 100644
--- a/lib/mountlist.h
+++ b/lib/mountlist.h
@@ -1,5 +1,7 @@
 /* mountlist.h -- declarations for list of mounted filesystems
-   Copyright (C) 1991, 1992, 1998, 2000 Free Software Foundation, Inc.
+
+   Copyright (C) 1991, 1992, 1998, 2000, 2001, 2002, 2003 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
@@ -24,27 +26,28 @@ struct mount_entry
   dev_t me_dev;                 /* Device number of me_mountdir. */
   unsigned int me_dummy : 1;    /* Nonzero for dummy filesystems. */
   unsigned int me_remote : 1;   /* Nonzero for remote fileystems. */
+  unsigned int me_type_malloced : 1; /* Nonzero if me_type was malloced. */
   struct mount_entry *me_next;
 };
 
-#ifndef PARAMS
-# if defined PROTOTYPES || (defined __STDC__ && __STDC__)
-#  define PARAMS(Args) Args
-# else
-#  define PARAMS(Args) ()
-# endif
-#endif
-
-struct mount_entry *read_filesystem_list PARAMS ((int need_fs_type));
+struct mount_entry *read_filesystem_list (int need_fs_type);
 
 #ifndef ME_DUMMY
-# define ME_DUMMY(fs_name, fs_type) \
-    (!strcmp (fs_type, "auto") \
-     || !strcmp (fs_type, "autofs") \
+# define ME_DUMMY(Fs_name, Fs_type) \
+    (!strcmp (Fs_type, "autofs") \
      /* for Irix 6.5 */ \
-     || !strcmp (fs_type, "ignore"))
+     || !strcmp (Fs_type, "ignore"))
 #endif
 
+#undef STREQ
+#define STREQ(a, b) (strcmp ((a), (b)) == 0)
+
 #ifndef ME_REMOTE
-# define ME_REMOTE(fs_name, fs_type) (strchr (fs_name, ':') != 0)
+/* A file system is `remote' if its Fs_name contains a `:'
+   or if (it is of type smbfs and its Fs_name starts with `//').  */
+# define ME_REMOTE(Fs_name, Fs_type)    \
+    (strchr ((Fs_name), ':') != 0       \
+     || ((Fs_name)[0] == '/'            \
+         && (Fs_name)[1] == '/'         \
+         && STREQ (Fs_type, "smbfs")))
 #endif
diff --git a/lib/onceonly.m4 b/lib/onceonly.m4
new file mode 100644
index 0000000..50b33f4
--- /dev/null
+++ b/lib/onceonly.m4
@@ -0,0 +1,63 @@
+# onceonly.m4 serial 3 (gettext-0.12)
+dnl Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl This file defines some "once only" variants of standard autoconf macros.
+dnl   AC_CHECK_HEADERS_ONCE         like  AC_CHECK_HEADERS
+dnl   AC_CHECK_FUNCS_ONCE           like  AC_CHECK_FUNCS
+dnl   AC_CHECK_DECLS_ONCE           like  AC_CHECK_DECLS
+dnl   AC_REQUIRE([AC_HEADER_STDC])  like  AC_HEADER_STDC
+dnl The advantage is that the check for each of the headers/functions/decls
+dnl will be put only once into the 'configure' file. It keeps the size of
+dnl the 'configure' file down, and avoids redundant output when 'configure'
+dnl is run.
+dnl The drawback is that the checks cannot be conditionalized. If you write
+dnl   if some_condition; then gl_CHECK_HEADERS(stdlib.h); fi
+dnl inside an AC_DEFUNed function, the gl_CHECK_HEADERS macro call expands to
+dnl empty, and the check will be inserted before the body of the AC_DEFUNed
+dnl function.
+
+dnl Autoconf version 2.57 or newer is recommended.
+AC_PREREQ(2.54)
+
+# AC_CHECK_HEADERS_ONCE(HEADER1 HEADER2 ...) is a once-only variant of
+# AC_CHECK_HEADERS(HEADER1 HEADER2 ...).
+AC_DEFUN([AC_CHECK_HEADERS_ONCE], [
+  :
+  AC_FOREACH([gl_HEADER_NAME], [$1], [
+    AC_DEFUN([gl_CHECK_HEADER_]m4_quote(translit(m4_defn([gl_HEADER_NAME]),
+                                                 [-./], [___])), [
+      AC_CHECK_HEADERS(gl_HEADER_NAME)
+    ])
+    AC_REQUIRE([gl_CHECK_HEADER_]m4_quote(translit(gl_HEADER_NAME,
+                                                   [-./], [___])))
+  ])
+])
+
+# AC_CHECK_FUNCS_ONCE(FUNC1 FUNC2 ...) is a once-only variant of
+# AC_CHECK_FUNCS(FUNC1 FUNC2 ...).
+AC_DEFUN([AC_CHECK_FUNCS_ONCE], [
+  :
+  AC_FOREACH([gl_FUNC_NAME], [$1], [
+    AC_DEFUN([gl_CHECK_FUNC_]m4_defn([gl_FUNC_NAME]), [
+      AC_CHECK_FUNCS(m4_defn([gl_FUNC_NAME]))
+    ])
+    AC_REQUIRE([gl_CHECK_FUNC_]m4_defn([gl_FUNC_NAME]))
+  ])
+])
+
+# AC_CHECK_DECLS_ONCE(DECL1 DECL2 ...) is a once-only variant of
+# AC_CHECK_DECLS(DECL1, DECL2, ...).
+AC_DEFUN([AC_CHECK_DECLS_ONCE], [
+  :
+  AC_FOREACH([gl_DECL_NAME], [$1], [
+    AC_DEFUN([gl_CHECK_DECL_]m4_defn([gl_DECL_NAME]), [
+      AC_CHECK_DECLS(m4_defn([gl_DECL_NAME]))
+    ])
+    AC_REQUIRE([gl_CHECK_DECL_]m4_defn([gl_DECL_NAME]))
+  ])
+])
diff --git a/lib/realloc.c b/lib/realloc.c
index d0d3e4a..ccbf991 100644
--- a/lib/realloc.c
+++ b/lib/realloc.c
@@ -1,5 +1,5 @@
 /* Work around bug on some systems where realloc (NULL, 0) fails.
-   Copyright (C) 1997 Free Software Foundation, Inc.
+   Copyright (C) 1997, 2003 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
@@ -22,19 +22,14 @@
 #endif
 #undef realloc
 
-#include <sys/types.h>
-
-char *malloc ();
-char *realloc ();
+#include <stdlib.h>
 
 /* Change the size of an allocated block of memory P to N bytes,
    with error checking.  If N is zero, change it to 1.  If P is NULL,
    use malloc.  */
 
-char *
-rpl_realloc (p, n)
-     char *p;
-     size_t n;
+void *
+rpl_realloc (void *p, size_t n)
 {
   if (n == 0)
     n = 1;
diff --git a/lib/snprintf.c b/lib/snprintf.c
index 3de2a96..633517d 100644
--- a/lib/snprintf.c
+++ b/lib/snprintf.c
@@ -1,4 +1,8 @@
 /*
+ * NOTE: If you change this file, please merge it into rsync, samba, etc.
+ */
+
+/*
  * Copyright Patrick Powell 1995
  * This code is based on code written by Patrick Powell (papowell@astart.com)
  * It may be used for any purpose as long as this notice remains intact
@@ -53,17 +57,57 @@
  *    got rid of fcvt code (twas buggy and made testing harder)
  *    added C99 semantics
  *
+ * date: 2002/12/19 19:56:31;  author: herb;  state: Exp;  lines: +2 -0
+ * actually print args for %g and %e
+ * 
+ * date: 2002/06/03 13:37:52;  author: jmcd;  state: Exp;  lines: +8 -0
+ * Since includes.h isn't included here, VA_COPY has to be defined here.  I don't
+ * see any include file that is guaranteed to be here, so I'm defining it
+ * locally.  Fixes AIX and Solaris builds.
+ * 
+ * date: 2002/06/03 03:07:24;  author: tridge;  state: Exp;  lines: +5 -13
+ * put the ifdef for HAVE_VA_COPY in one place rather than in lots of
+ * functions
+ * 
+ * date: 2002/05/17 14:51:22;  author: jmcd;  state: Exp;  lines: +21 -4
+ * Fix usage of va_list passed as an arg.  Use __va_copy before using it
+ * when it exists.
+ * 
+ * date: 2002/04/16 22:38:04;  author: idra;  state: Exp;  lines: +20 -14
+ * Fix incorrect zpadlen handling in fmtfp.
+ * Thanks to Ollie Oldham <ollie.oldham@metro-optix.com> for spotting it.
+ * few mods to make it easier to compile the tests.
+ * addedd the "Ollie" test to the floating point ones.
+ *
+ * Martin Pool (mbp@samba.org) April 2003
+ *    Remove NO_CONFIG_H so that the test case can be built within a source
+ *    tree with less trouble.
+ *    Remove unnecessary SAFE_FREE() definition.
+ *
+ * Martin Pool (mbp@samba.org) May 2003
+ *    Put in a prototype for dummy_snprintf() to quiet compiler warnings.
+ *
+ *    Move #endif to make sure VA_COPY, LDOUBLE, etc are defined even
+ *    if the C library has some snprintf functions already.
  **************************************************************/
 
-#ifndef NO_CONFIG_H /* for some tests */
+#ifndef NO_CONFIG_H
 #include "config.h"
 #else
 #define NULL 0
-#endif
+#endif 
 
 #ifdef TEST_SNPRINTF /* need math library headers for testing */
-#include <math.h>
-#endif
+
+/* In test mode, we pretend that this system doesn't have any snprintf
+ * functions, regardless of what config.h says. */
+#  undef HAVE_SNPRINTF
+#  undef HAVE_VSNPRINTF
+#  undef HAVE_C99_VSNPRINTF
+#  undef HAVE_ASPRINTF
+#  undef HAVE_VASPRINTF
+#  include <math.h>
+#endif /* TEST_SNPRINTF */
 
 #ifdef HAVE_STRING_H
 #include <string.h>
@@ -75,12 +119,8 @@
 #ifdef HAVE_CTYPE_H
 #include <ctype.h>
 #endif
-#ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
-#endif
-#ifdef HAVE_STDARG_H
 #include <stdarg.h>
-#endif
 #ifdef HAVE_STDLIB_H
 #include <stdlib.h>
 #endif
@@ -89,8 +129,9 @@
 /* only include stdio.h if we are not re-defining snprintf or vsnprintf */
 #include <stdio.h>
  /* make the compiler happy with an empty file */
+ void dummy_snprintf(void);
  void dummy_snprintf(void) {} 
-#else
+#endif /* HAVE_SNPRINTF, etc */
 
 #ifdef HAVE_LONG_DOUBLE
 #define LDOUBLE long double
@@ -104,29 +145,17 @@
 #define LLONG long
 #endif
 
-/* free memory if the pointer is valid and zero the pointer */
-#ifndef SAFE_FREE
-#define SAFE_FREE(x) do { if ((x) != NULL) {free((x)); (x)=NULL;} } while(0)
-#endif
-
 #ifndef VA_COPY
 #ifdef HAVE_VA_COPY
+#define VA_COPY(dest, src) va_copy(dest, src)
+#else
+#ifdef HAVE___VA_COPY
 #define VA_COPY(dest, src) __va_copy(dest, src)
 #else
 #define VA_COPY(dest, src) (dest) = (src)
 #endif
 #endif
 
-static size_t dopr(char *buffer, size_t maxlen, const char *format, 
-                   va_list args_in);
-static void fmtstr(char *buffer, size_t *currlen, size_t maxlen,
-                    char *value, int flags, int min, int max);
-static void fmtint(char *buffer, size_t *currlen, size_t maxlen,
-                    long value, int base, int min, int max, int flags);
-static void fmtfp(char *buffer, size_t *currlen, size_t maxlen,
-                   LDOUBLE fvalue, int min, int max, int flags);
-static void dopr_outch(char *buffer, size_t *currlen, size_t maxlen, char c);
-
 /*
  * dopr(): poor man's version of doprintf
  */
@@ -161,6 +190,19 @@ static void dopr_outch(char *buffer, size_t *currlen, size_t maxlen, char c);
 #define MAX(p,q) (((p) >= (q)) ? (p) : (q))
 #endif
 
+/* yes this really must be a ||. Don't muck with this (tridge) */
+#if !defined(HAVE_VSNPRINTF) || !defined(HAVE_C99_VSNPRINTF)
+
+static size_t dopr(char *buffer, size_t maxlen, const char *format, 
+                   va_list args_in);
+static void fmtstr(char *buffer, size_t *currlen, size_t maxlen,
+                    char *value, int flags, int min, int max);
+static void fmtint(char *buffer, size_t *currlen, size_t maxlen,
+                    long value, int base, int min, int max, int flags);
+static void fmtfp(char *buffer, size_t *currlen, size_t maxlen,
+                   LDOUBLE fvalue, int min, int max, int flags);
+static void dopr_outch(char *buffer, size_t *currlen, size_t maxlen, char c);
+
 static size_t dopr(char *buffer, size_t maxlen, const char *format, va_list args_in)
 {
         char ch;
@@ -345,6 +387,7 @@ static size_t dopr(char *buffer, size_t maxlen, const char *format, va_list args
                                         fvalue = va_arg (args, LDOUBLE);
                                 else
                                         fvalue = va_arg (args, double);
+                                fmtfp (buffer, &currlen, maxlen, fvalue, min, max, flags);
                                 break;
                         case 'G':
                                 flags |= DP_F_UP;
@@ -353,6 +396,7 @@ static size_t dopr(char *buffer, size_t maxlen, const char *format, va_list args
                                         fvalue = va_arg (args, LDOUBLE);
                                 else
                                         fvalue = va_arg (args, double);
+                                fmtfp (buffer, &currlen, maxlen, fvalue, min, max, flags);
                                 break;
                         case 'c':
                                 dopr_outch (buffer, &currlen, maxlen, va_arg (args, int));
@@ -625,7 +669,7 @@ static void fmtfp (char *buffer, size_t *currlen, size_t maxlen,
         int padlen = 0; /* amount to pad */
         int zpadlen = 0; 
         int caps = 0;
-        int index;
+        int idx;
         double intpart;
         double fracpart;
         double temp;
@@ -684,11 +728,11 @@ static void fmtfp (char *buffer, size_t *currlen, size_t maxlen,
         do {
                 temp = intpart*0.1;
                 my_modf(temp, &intpart);
-                index = (int) ((temp -intpart +0.05)* 10.0);
-                /* index = (int) (((double)(temp*0.1) -intpart +0.05) *10.0); */
-                /* printf ("%llf, %f, %x\n", temp, intpart, index); */
+                idx = (int) ((temp -intpart +0.05)* 10.0);
+                /* idx = (int) (((double)(temp*0.1) -intpart +0.05) *10.0); */
+                /* printf ("%llf, %f, %x\n", temp, intpart, idx); */
                 iconvert[iplace++] =
-                        (caps? "0123456789ABCDEF":"0123456789abcdef")[index];
+                        (caps? "0123456789ABCDEF":"0123456789abcdef")[idx];
         } while (intpart && (iplace < 311));
         if (iplace == 311) iplace--;
         iconvert[iplace] = 0;
@@ -699,11 +743,11 @@ static void fmtfp (char *buffer, size_t *currlen, size_t maxlen,
                 do {
                         temp = fracpart*0.1;
                         my_modf(temp, &fracpart);
-                        index = (int) ((temp -fracpart +0.05)* 10.0);
-                        /* index = (int) ((((temp/10) -fracpart) +0.05) *10); */
-                        /* printf ("%lf, %lf, %ld\n", temp, fracpart, index); */
+                        idx = (int) ((temp -fracpart +0.05)* 10.0);
+                        /* idx = (int) ((((temp/10) -fracpart) +0.05) *10); */
+                        /* printf ("%lf, %lf, %ld\n", temp, fracpart, idx ); */
                         fconvert[fplace++] =
-                        (caps? "0123456789ABCDEF":"0123456789abcdef")[index];
+                        (caps? "0123456789ABCDEF":"0123456789abcdef")[idx];
                 } while(fracpart && (fplace < 311));
                 if (fplace == 311) fplace--;
         }
@@ -773,24 +817,21 @@ static void dopr_outch(char *buffer, size_t *currlen, size_t maxlen, char c)
         (*currlen)++;
 }
 
-/* yes this really must be a ||. Don't muck with this (tridge) */
-#if !defined(HAVE_VSNPRINTF) || !defined(HAVE_C99_VSNPRINTF)
- int vsnprintf (char *str, size_t count, const char *fmt, va_list args)
+ int smb_vsnprintf (char *str, size_t count, const char *fmt, va_list args)
 {
         return dopr(str, count, fmt, args);
 }
+#define vsnprintf smb_vsnprintf
 #endif
 
-/* yes this really must be a ||. Don't muck wiith this (tridge)
+/* yes this really must be a ||. Don't muck with this (tridge)
  *
  * The logic for these two is that we need our own definition if the
  * OS *either* has no definition of *sprintf, or if it does have one
- * that doesn't work properly according to the autoconf test.  Perhaps
- * these should really be smb_snprintf to avoid conflicts with buggy
- * linkers? -- mbp
+ * that doesn't work properly according to the autoconf test.
  */
-#if !defined(HAVE_SNPRINTF) /* || !defined(HAVE_C99_SNPRINTF) */
- int snprintf(char *str,size_t count,const char *fmt,...)
+#if !defined(HAVE_SNPRINTF) || !defined(HAVE_C99_VSNPRINTF)
+int smb_snprintf(char *str,size_t count,const char *fmt,...)
 {
         size_t ret;
         va_list ap;
@@ -800,6 +841,7 @@ static void dopr_outch(char *buffer, size_t *currlen, size_t maxlen, char c)
         va_end(ap);
         return ret;
 }
+#define snprintf smb_snprintf
 #endif
 
 #endif 
@@ -868,8 +910,9 @@ static void dopr_outch(char *buffer, size_t *currlen, size_t maxlen, char c)
                 "-16.16f",
                 NULL
         };
-        double fp_nums[] = { 6442452944.1234, -1.5, 134.21, 91340.2, 341.1234, 0203.9, 0.96, 0.996, 
-                             0.9996, 1.996, 4.136, 5.030201, 0};
+        double fp_nums[] = { 6442452944.1234, -1.5, 134.21, 91340.2, 341.1234, 203.9, 0.96, 0.996, 
+                             0.9996, 1.996, 4.136, 5.030201, 0.00205,
+                             /* END LIST */ 0};
         char *int_fmt[] = {
                 "%-1.5d",
                 "%1.5d",
@@ -977,4 +1020,4 @@ static void dopr_outch(char *buffer, size_t *currlen, size_t maxlen, char c)
 
         return 0;
 }
-#endif /* SNPRINTF_TEST */
+#endif /* TEST_SNPRINTF */
diff --git a/lib/strtod.c b/lib/strtod.c
index 10edb5c..161f97a 100644
--- a/lib/strtod.c
+++ b/lib/strtod.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1997, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1997, 1999, 2003 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
@@ -37,22 +37,9 @@ extern int errno;
 
 #include <math.h>
 
-#if HAVE_FLOAT_H
-# include <float.h>
-#else
-# define DBL_MAX 1.7976931348623159e+308
-# define DBL_MIN 2.2250738585072010e-308
-#endif
-
-#if STDC_HEADERS
-# include <stdlib.h>
-# include <string.h>
-#else
-# define NULL 0
-# ifndef HUGE_VAL
-#  define HUGE_VAL HUGE
-# endif
-#endif
+#include <float.h>
+#include <stdlib.h>
+#include <string.h>
 
 /* Convert NPTR to a double.  If ENDPTR is not NULL, a pointer to the
    character after the last one used in the number is put in *ENDPTR.  */
diff --git a/lib/unlocked-io.h b/lib/unlocked-io.h
index a7240fb..36a7a48 100644
--- a/lib/unlocked-io.h
+++ b/lib/unlocked-io.h
@@ -1,21 +1,20 @@
 /* Prefer faster, non-thread-safe stdio functions if available.
 
-   Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
 
-   This program is free software; you can redistribute it and/or modify it
-   under the terms of the GNU Library General Public License as published
-   by the Free Software Foundation; either version 2, or (at your option)
+   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 2, 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
-   Library General Public License for more details.
+   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 Library General Public
-   License along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-   USA.  */
+   You should have received a copy of the GNU General Public License along
+   with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 /* Written by Jim Meyering.  */
 
@@ -28,63 +27,106 @@
 
 # if USE_UNLOCKED_IO
 
-/* These are wrappers for functions/macros from GNU libc.
+/* These are wrappers for functions/macros from the GNU C library, and
+   from other C libraries supporting POSIX's optional thread-safe functions.
+
    The standard I/O functions are thread-safe.  These *_unlocked ones are
    more efficient but not thread-safe.  That they're not thread-safe is
-   fine since all of the applications in this package are single threaded.  */
+   fine since all of the applications in this package are single threaded.
+
+   Also, some code that is shared with the GNU C library may invoke
+   the *_unlocked functions directly.  On hosts that lack those
+   functions, invoke the non-thread-safe versions instead.  */
+
+#  include <stdio.h>
 
 #  if HAVE_DECL_CLEARERR_UNLOCKED
 #   undef clearerr
 #   define clearerr(x) clearerr_unlocked (x)
+#  else
+#   define clearerr_unlocked(x) clearerr (x)
 #  endif
 #  if HAVE_DECL_FEOF_UNLOCKED
 #   undef feof
 #   define feof(x) feof_unlocked (x)
+#  else
+#   define feof_unlocked(x) feof (x)
 #  endif
 #  if HAVE_DECL_FERROR_UNLOCKED
 #   undef ferror
 #   define ferror(x) ferror_unlocked (x)
+#  else
+#   define ferror_unlocked(x) ferror (x)
 #  endif
 #  if HAVE_DECL_FFLUSH_UNLOCKED
 #   undef fflush
 #   define fflush(x) fflush_unlocked (x)
+#  else
+#   define fflush_unlocked(x) fflush (x)
 #  endif
 #  if HAVE_DECL_FGETS_UNLOCKED
 #   undef fgets
 #   define fgets(x,y,z) fgets_unlocked (x,y,z)
+#  else
+#   define fgets_unlocked(x,y,z) fgets (x,y,z)
 #  endif
 #  if HAVE_DECL_FPUTC_UNLOCKED
 #   undef fputc
 #   define fputc(x,y) fputc_unlocked (x,y)
+#  else
+#   define fputc_unlocked(x,y) fputc (x,y)
 #  endif
 #  if HAVE_DECL_FPUTS_UNLOCKED
 #   undef fputs
 #   define fputs(x,y) fputs_unlocked (x,y)
+#  else
+#   define fputs_unlocked(x,y) fputs (x,y)
 #  endif
 #  if HAVE_DECL_FREAD_UNLOCKED
 #   undef fread
 #   define fread(w,x,y,z) fread_unlocked (w,x,y,z)
+#  else
+#   define fread_unlocked(w,x,y,z) fread (w,x,y,z)
 #  endif
 #  if HAVE_DECL_FWRITE_UNLOCKED
 #   undef fwrite
 #   define fwrite(w,x,y,z) fwrite_unlocked (w,x,y,z)
+#  else
+#   define fwrite_unlocked(w,x,y,z) fwrite (w,x,y,z)
 #  endif
 #  if HAVE_DECL_GETC_UNLOCKED
 #   undef getc
 #   define getc(x) getc_unlocked (x)
+#  else
+#   define getc_unlocked(x) getc (x)
 #  endif
 #  if HAVE_DECL_GETCHAR_UNLOCKED
 #   undef getchar
 #   define getchar() getchar_unlocked ()
+#  else
+#   define getchar_unlocked() getchar ()
 #  endif
 #  if HAVE_DECL_PUTC_UNLOCKED
 #   undef putc
 #   define putc(x,y) putc_unlocked (x,y)
+#  else
+#   define putc_unlocked(x,y) putc (x,y)
 #  endif
 #  if HAVE_DECL_PUTCHAR_UNLOCKED
 #   undef putchar
 #   define putchar(x) putchar_unlocked (x)
+#  else
+#   define putchar_unlocked(x) putchar (x)
 #  endif
 
+#  undef flockfile
+#  define flockfile(x) ((void) 0)
+
+#  undef ftrylockfile
+#  define ftrylockfile(x) 0
+
+#  undef funlockfile
+#  define funlockfile(x) ((void) 0)
+
 # endif /* USE_UNLOCKED_IO */
 #endif /* UNLOCKED_IO_H */
diff --git a/lib/unlocked-io.m4 b/lib/unlocked-io.m4
new file mode 100644
index 0000000..f8e98f1
--- /dev/null
+++ b/lib/unlocked-io.m4
@@ -0,0 +1,22 @@
+#serial 8 -*- autoconf -*-
+
+dnl From Jim Meyering.
+dnl
+dnl See if the glibc *_unlocked I/O macros or functions are available.
+dnl Use only those *_unlocked macros or functions that are declared
+dnl (because some of them were declared in Solaris 2.5.1 but were removed
+dnl in Solaris 2.6, whereas we want binaries built on Solaris 2.5.1 to run
+dnl on Solaris 2.6).
+
+AC_DEFUN([jm_FUNC_GLIBC_UNLOCKED_IO],
+[
+  dnl Persuade glibc and Solaris <stdio.h> to declare
+  dnl fgets_unlocked(), fputs_unlocked() etc.
+  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+
+  AC_CHECK_DECLS_ONCE(
+     [clearerr_unlocked feof_unlocked ferror_unlocked
+      fflush_unlocked fgets_unlocked fputc_unlocked fputs_unlocked
+      fread_unlocked fwrite_unlocked getc_unlocked
+      getchar_unlocked putc_unlocked putchar_unlocked])
+])
diff --git a/lib/xalloc.h b/lib/xalloc.h
index 098a6c2..4b65858 100644
--- a/lib/xalloc.h
+++ b/lib/xalloc.h
@@ -1,5 +1,7 @@
 /* xalloc.h -- malloc with out-of-memory checking
-   Copyright (C) 1990-1998, 1999, 2000 Free Software Foundation, Inc.
+
+   Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
+   1999, 2000, 2003 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
@@ -18,13 +20,7 @@
 #ifndef XALLOC_H_
 # define XALLOC_H_
 
-# ifndef PARAMS
-#  if defined PROTOTYPES || (defined __STDC__ && __STDC__)
-#   define PARAMS(Args) Args
-#  else
-#   define PARAMS(Args) ()
-#  endif
-# endif
+# include <stddef.h>
 
 # ifndef __attribute__
 #  if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8) || __STRICT_ANSI__
@@ -36,14 +32,9 @@
 #  define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
 # endif
 
-/* Exit value when the requested amount of memory is not available.
-   It is initialized to EXIT_FAILURE, but the caller may set it to
-   some other value.  */
-extern int xalloc_exit_failure;
-
 /* If this pointer is non-zero, run the specified function upon each
    allocation failure.  It is initialized to zero. */
-extern void (*xalloc_fail_func) PARAMS ((void));
+extern void (*xalloc_fail_func) (void);
 
 /* If XALLOC_FAIL_FUNC is undefined or a function that returns, this
    message is output.  It is translated via gettext.
@@ -51,37 +42,46 @@ extern void (*xalloc_fail_func) PARAMS ((void));
 extern char const xalloc_msg_memory_exhausted[];
 
 /* This function is always triggered when memory is exhausted.  It is
-   in charge of honoring the three previous items.  This is the
+   in charge of honoring the two previous items.  It exits with status
+   exit_failure (defined in exitfail.h).  This is the
    function to call when one wants the program to die because of a
    memory allocation failure.  */
-extern void xalloc_die PARAMS ((void)) ATTRIBUTE_NORETURN;
-
-void *xmalloc PARAMS ((size_t n));
-void *xcalloc PARAMS ((size_t n, size_t s));
-void *xrealloc PARAMS ((void *p, size_t n));
-char *xstrdup PARAMS ((const char *str));
-
-# define XMALLOC(Type, N_items) ((Type *) xmalloc (sizeof (Type) * (N_items)))
-# define XCALLOC(Type, N_items) ((Type *) xcalloc (sizeof (Type), (N_items)))
-# define XREALLOC(Ptr, Type, N_items) \
-  ((Type *) xrealloc ((void *) (Ptr), sizeof (Type) * (N_items)))
-
-/* Declare and alloc memory for VAR of type TYPE. */
-# define NEW(Type, Var)  Type *(Var) = XMALLOC (Type, 1)
-
-/* Free VAR only if non NULL. */
-# define XFREE(Var)     \
-   do {                 \
-      if (Var)          \
-        free (Var);     \
-   } while (0)
-
-/* Return a pointer to a malloc'ed copy of the array SRC of NUM elements. */
-# define CCLONE(Src, Num) \
-  (memcpy (xmalloc (sizeof (*Src) * (Num)), (Src), sizeof (*Src) * (Num)))
-
-/* Return a malloc'ed copy of SRC. */
-# define CLONE(Src) CCLONE (Src, 1)
-
+extern void xalloc_die (void) ATTRIBUTE_NORETURN;
+
+void *xmalloc (size_t s);
+void *xnmalloc (size_t n, size_t s);
+void *xzalloc (size_t s);
+void *xcalloc (size_t n, size_t s);
+void *xrealloc (void *p, size_t s);
+void *xnrealloc (void *p, size_t n, size_t s);
+void *x2realloc (void *p, size_t *pn);
+void *x2nrealloc (void *p, size_t *pn, size_t s);
+void *xclone (void const *p, size_t s);
+char *xstrdup (const char *str);
+
+/* Return 1 if an array of N objects, each of size S, cannot exist due
+   to size arithmetic overflow.  S must be positive and N must be
+   nonnegative.  This is a macro, not an inline function, so that it
+   works correctly even when SIZE_MAX < N.
+
+   By gnulib convention, SIZE_MAX represents overflow in size
+   calculations, so the conservative dividend to use here is
+   SIZE_MAX - 1, since SIZE_MAX might represent an overflowed value.
+   However, malloc (SIZE_MAX) fails on all known hosts where
+   sizeof (ptrdiff_t) <= sizeof (size_t), so do not bother to test for
+   exactly-SIZE_MAX allocations on such hosts; this avoids a test and
+   branch when S is known to be 1.  */
+# define xalloc_oversized(n, s) \
+    ((size_t) (sizeof (ptrdiff_t) <= sizeof (size_t) ? -1 : -2) / (s) < (n))
+
+/* These macros are deprecated; they will go away soon, and are retained
+   temporarily only to ease conversion to the functions described above.  */
+# define CCLONE(p, n) xclone (p, (n) * sizeof *(p))
+# define CLONE(p) xclone (p, sizeof *(p))
+# define NEW(type, var) type *var = xmalloc (sizeof (type))
+# define XCALLOC(type, n) xcalloc (n, sizeof (type))
+# define XMALLOC(type, n) xnmalloc (n, sizeof (type))
+# define XREALLOC(p, type, n) xnrealloc (p, n, sizeof (type))
+# define XFREE(p) free (p)
 
 #endif /* !XALLOC_H_ */
diff --git a/lib/xalloc.m4 b/lib/xalloc.m4
new file mode 100644
index 0000000..dec8417
--- /dev/null
+++ b/lib/xalloc.m4
@@ -0,0 +1,32 @@
+# xalloc.m4 serial 8
+dnl Copyright (C) 2002-2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+AC_DEFUN([gl_XALLOC],
+[
+  gl_PREREQ_XALLOC
+  gl_PREREQ_XMALLOC
+  gl_PREREQ_XSTRDUP
+])
+
+# Prerequisites of lib/xalloc.h.
+AC_DEFUN([gl_PREREQ_XALLOC], [
+  :
+])
+
+# Prerequisites of lib/xmalloc.c.
+AC_DEFUN([gl_PREREQ_XMALLOC], [
+  AC_REQUIRE([AC_C_INLINE])
+  AC_REQUIRE([jm_FUNC_MALLOC])
+  AC_REQUIRE([jm_FUNC_REALLOC])
+  :
+])
+
+# Prerequisites of lib/xstrdup.c.
+AC_DEFUN([gl_PREREQ_XSTRDUP], [
+  :
+])
diff --git a/lib/xmalloc.c b/lib/xmalloc.c
index 3affee7..181006b 100644
--- a/lib/xmalloc.c
+++ b/lib/xmalloc.c
@@ -1,5 +1,7 @@
 /* xmalloc.c -- malloc with out of memory checking
-   Copyright (C) 1990-1999, 2000, 2002 Free Software Foundation, Inc.
+
+   Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2003,
+   1999, 2000, 2002, 2003 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
@@ -19,30 +21,22 @@
 # include <config.h>
 #endif
 
-#include <sys/types.h>
+#include "xalloc.h"
 
-#if STDC_HEADERS
-# include <stdlib.h>
-#else
-void *calloc ();
-void *malloc ();
-void *realloc ();
-void free ();
-#endif
+#include <stdlib.h>
+#include <string.h>
 
 #include "gettext.h"
 #define _(msgid) gettext (msgid)
 #define N_(msgid) msgid
 
 #include "error.h"
-#include "xalloc.h"
+#include "exitfail.h"
 
-#ifndef EXIT_FAILURE
-# define EXIT_FAILURE 1
+#ifndef SIZE_MAX
+# define SIZE_MAX ((size_t) -1)
 #endif
 
-/* The following tests require AC_PREREQ(2.54).  */
-
 #ifndef HAVE_MALLOC
 "you must run the autoconf test for a GNU libc compatible malloc"
 #endif
@@ -51,12 +45,8 @@ void free ();
 "you must run the autoconf test for a GNU libc compatible realloc"
 #endif
 
-/* Exit value when the requested amount of memory is not available.
-   The caller may set it to some other value.  */
-int xalloc_exit_failure = EXIT_FAILURE;
-
 /* If non NULL, call this function when memory is exhausted. */
-void (*xalloc_fail_func) PARAMS ((void)) = 0;
+void (*xalloc_fail_func) (void) = 0;
 
 /* If XALLOC_FAIL_FUNC is NULL, or does return, display this message
    before exiting when memory is exhausted.  Goes through gettext. */
@@ -67,11 +57,29 @@ xalloc_die (void)
 {
   if (xalloc_fail_func)
     (*xalloc_fail_func) ();
-  error (xalloc_exit_failure, 0, "%s", _(xalloc_msg_memory_exhausted));
+  error (exit_failure, 0, "%s", _(xalloc_msg_memory_exhausted));
   /* The `noreturn' cannot be given to error, since it may return if
      its first argument is 0.  To help compilers understand the
-     xalloc_die does terminate, call exit. */
-  exit (EXIT_FAILURE);
+     xalloc_die does terminate, call abort.  */
+  abort ();
+}
+
+/* Allocate an array of N objects, each with S bytes of memory,
+   dynamically, with error checking.  S must be nonzero.  */
+
+static inline void *
+xnmalloc_inline (size_t n, size_t s)
+{
+  void *p;
+  if (xalloc_oversized (n, s) || ! (p = malloc (n * s)))
+    xalloc_die ();
+  return p;
+}
+
+void *
+xnmalloc (size_t n, size_t s)
+{
+  return xnmalloc_inline (n, s);
 }
 
 /* Allocate N bytes of memory dynamically, with error checking.  */
@@ -79,35 +87,169 @@ xalloc_die (void)
 void *
 xmalloc (size_t n)
 {
-  void *p;
+  return xnmalloc_inline (n, 1);
+}
+
+/* Change the size of an allocated block of memory P to an array of N
+   objects each of S bytes, with error checking.  S must be nonzero.  */
 
-  p = malloc (n);
-  if (p == 0)
+static inline void *
+xnrealloc_inline (void *p, size_t n, size_t s)
+{
+  if (xalloc_oversized (n, s) || ! (p = realloc (p, n * s)))
     xalloc_die ();
   return p;
 }
 
+void *
+xnrealloc (void *p, size_t n, size_t s)
+{
+  return xnrealloc_inline (p, n, s);
+}
+
 /* Change the size of an allocated block of memory P to N bytes,
    with error checking.  */
 
 void *
 xrealloc (void *p, size_t n)
 {
-  p = realloc (p, n);
-  if (p == 0)
-    xalloc_die ();
-  return p;
+  return xnrealloc_inline (p, n, 1);
 }
 
-/* Allocate memory for N elements of S bytes, with error checking.  */
+
+/* If P is null, allocate a block of at least *PN such objects;
+   otherwise, reallocate P so that it contains more than *PN objects
+   each of S bytes.  *PN must be nonzero unless P is null, and S must
+   be nonzero.  Set *PN to the new number of objects, and return the
+   pointer to the new block.  *PN is never set to zero, and the
+   returned pointer is never null.
+
+   Repeated reallocations are guaranteed to make progress, either by
+   allocating an initial block with a nonzero size, or by allocating a
+   larger block.
+
+   In the following implementation, nonzero sizes are doubled so that
+   repeated reallocations have O(N log N) overall cost rather than
+   O(N**2) cost, but the specification for this function does not
+   guarantee that sizes are doubled.
+
+   Here is an example of use:
+
+     int *p = NULL;
+     size_t used = 0;
+     size_t allocated = 0;
+
+     void
+     append_int (int value)
+       {
+         if (used == allocated)
+           p = x2nrealloc (p, &allocated, sizeof *p);
+         p[used++] = value;
+       }
+
+   This causes x2nrealloc to allocate a block of some nonzero size the
+   first time it is called.
+
+   To have finer-grained control over the initial size, set *PN to a
+   nonzero value before calling this function with P == NULL.  For
+   example:
+
+     int *p = NULL;
+     size_t used = 0;
+     size_t allocated = 0;
+     size_t allocated1 = 1000;
+
+     void
+     append_int (int value)
+       {
+         if (used == allocated)
+           {
+             p = x2nrealloc (p, &allocated1, sizeof *p);
+             allocated = allocated1;
+           }
+         p[used++] = value;
+       }
+
+   */
+
+static inline void *
+x2nrealloc_inline (void *p, size_t *pn, size_t s)
+{
+  size_t n = *pn;
+
+  if (! p)
+    {
+      if (! n)
+        {
+          /* The approximate size to use for initial small allocation
+             requests, when the invoking code specifies an old size of
+             zero.  64 bytes is the largest "small" request for the
+             GNU C library malloc.  */
+          enum { DEFAULT_MXFAST = 64 };
+
+          n = DEFAULT_MXFAST / s;
+          n += !n;
+        }
+    }
+  else
+    {
+      if (SIZE_MAX / 2 / s < n)
+        xalloc_die ();
+      n *= 2;
+    }
+
+  *pn = n;
+  return xrealloc (p, n * s);
+}
+
+void *
+x2nrealloc (void *p, size_t *pn, size_t s)
+{
+  return x2nrealloc_inline (p, pn, s);
+}
+
+/* If P is null, allocate a block of at least *PN bytes; otherwise,
+   reallocate P so that it contains more than *PN bytes.  *PN must be
+   nonzero unless P is null.  Set *PN to the new block's size, and
+   return the pointer to the new block.  *PN is never set to zero, and
+   the returned pointer is never null.  */
+
+void *
+x2realloc (void *p, size_t *pn)
+{
+  return x2nrealloc_inline (p, pn, 1);
+}
+
+/* Allocate S bytes of zeroed memory dynamically, with error checking.
+   There's no need for xnzalloc (N, S), since it would be equivalent
+   to xcalloc (N, S).  */
+
+void *
+xzalloc (size_t s)
+{
+  return memset (xmalloc (s), 0, s);
+}
+
+/* Allocate zeroed memory for N elements of S bytes, with error
+   checking.  S must be nonzero.  */
 
 void *
 xcalloc (size_t n, size_t s)
 {
   void *p;
-
-  p = calloc (n, s);
-  if (p == 0)
+  /* Test for overflow, since some calloc implementations don't have
+     proper overflow checks.  */
+  if (xalloc_oversized (n, s) || ! (p = calloc (n, s)))
     xalloc_die ();
   return p;
 }
+
+/* Clone an object P of size S, with error checking.  There's no need
+   for xnclone (P, N, S), since xclone (P, N * S) works without any
+   need for an arithmetic overflow check.  */
+
+void *
+xclone (void const *p, size_t s)
+{
+  return memcpy (xmalloc (s), p, s);
+}
diff --git a/lib/xstrdup.c b/lib/xstrdup.c
new file mode 100644
index 0000000..58f18be
--- /dev/null
+++ b/lib/xstrdup.c
@@ -0,0 +1,33 @@
+/* xstrdup.c -- copy a string with out of memory checking
+   Copyright (C) 1990, 1996, 1998, 2001, 2003 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 2, 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, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+/* Specification.  */
+#include "xalloc.h"
+
+#include <string.h>
+
+/* Return a newly allocated copy of STRING.  */
+
+char *
+xstrdup (const char *string)
+{
+  return xclone (string, strlen (string) + 1);
+}