--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2004-03-30  Paul Eggert  <eggert@twinsun.com>
+
+	* modules/inttostr: New file.
+
 2004-03-29  Paul Eggert  <eggert@twinsun.com>
 
 	* modules/getloadvg: Depend on cloexec and xalloc.

--- a/lib/ChangeLog
+++ b/lib/ChangeLog
@@ -1,5 +1,8 @@
 2004-03-30  Paul Eggert  <eggert@twinsun.com>
 
+	* imaxtostr.c, inttostr.c, inttostr.h, offtostr.c, umaxtostr.c:
+	New files.
+
 	* lib/cloexec.h, lib/cloexec.c (set_cloexec_flag): Return int
 	not bool, to be more consistent with Unix conventions.
 	Suggested by Bruno Haible.

new file mode 100644
--- /dev/null
+++ b/lib/imaxtostr.c
@@ -0,0 +1,3 @@
+#define inttostr imaxtostr
+#define inttype intmax_t
+#include "inttostr.c"

new file mode 100644
--- /dev/null
+++ b/lib/inttostr.c
@@ -0,0 +1,49 @@
+/* inttostr.c -- convert integers to printable strings
+
+   Copyright (C) 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.  */
+
+/* Written by Paul Eggert */
+
+#include "inttostr.h"
+
+/* Convert I to a printable string in BUF, which must be at least
+   INT_BUFSIZE_BOUND (INTTYPE) bytes long.  Return the address of the
+   printable string, which need not start at BUF.  */
+
+char *
+inttostr (inttype i, char *buf)
+{
+  char *p = buf + INT_STRLEN_BOUND (inttype);
+  *p = 0;
+
+  if (i < 0)
+    {
+      do
+	*--p = '0' - i % 10;
+      while ((i /= 10) != 0);
+
+      *--p = '-';
+    }
+  else
+    {
+      do
+	*--p = '0' + i % 10;
+      while ((i /= 10) != 0);
+    }
+
+  return p;
+}

new file mode 100644
--- /dev/null
+++ b/lib/inttostr.h
@@ -0,0 +1,49 @@
+/* inttostr.h -- convert integers to printable strings
+
+   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 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.  */
+
+/* Written by Paul Eggert */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#if HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+
+#if HAVE_LIMITS_H
+# include <limits.h>
+#endif
+#ifndef CHAR_BIT
+# define CHAR_BIT 8
+#endif
+
+#if HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+
+/* Upper bound on the string length of an integer converted to string.
+   302 / 1000 is ceil (log10 (2.0)).  Subtract 1 for the sign bit;
+   add 1 for integer division truncation; add 1 more for a minus sign.  */
+#define INT_STRLEN_BOUND(t) ((sizeof (t) * CHAR_BIT - 1) * 302 / 1000 + 2)
+
+#define INT_BUFSIZE_BOUND(t) (INT_STRLEN_BOUND (t) + 1)
+
+char *offtostr (off_t, char *);
+char *imaxtostr (intmax_t, char *);
+char *umaxtostr (uintmax_t, char *);

new file mode 100644
--- /dev/null
+++ b/lib/offtostr.c
@@ -0,0 +1,3 @@
+#define inttostr offtostr
+#define inttype off_t
+#include "inttostr.c"

new file mode 100644
--- /dev/null
+++ b/lib/umaxtostr.c
@@ -0,0 +1,3 @@
+#define inttostr umaxtostr
+#define inttype uintmax_t
+#include "inttostr.c"

--- a/m4/ChangeLog
+++ b/m4/ChangeLog
@@ -1,3 +1,7 @@
+2004-03-30  Paul Eggert  <eggert@twinsun.com>
+
+	* inttostr.m4: New file.
+
 2004-03-29  Paul Eggert  <eggert@twinsun.com>
 
 	* cloexec.m4: New file.

new file mode 100644
--- /dev/null
+++ b/m4/inttostr.m4
@@ -0,0 +1,32 @@
+# inttostr.m4 serial 1
+dnl Copyright (C) 2004 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_INTTOSTR],
+[
+  gl_PREREQ_INTTOSTR
+  gl_PREREQ_IMAXTOSTR
+  gl_PREREQ_OFFTOSTR
+  gl_PREREQ_UMAXTOSTR
+])
+
+# Prerequisites of lib/inttostr.h.
+AC_DEFUN([gl_PREREQ_INTTOSTR], [
+  AC_REQUIRE([jm_AC_TYPE_INTMAX_T])
+  AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
+  AC_REQUIRE([AC_TYPE_OFF_T])
+  :
+])
+
+# Prerequisites of lib/imaxtostr.c.
+AC_DEFUN([gl_PREREQ_IMAXTOSTR], [:])
+
+# Prerequisites of lib/offtostr.c.
+AC_DEFUN([gl_PREREQ_OFFTOSTR], [:])
+
+# Prerequisites of lib/umaxtostr.c.
+AC_DEFUN([gl_PREREQ_UMAXTOSTR], [:])

new file mode 100644
--- /dev/null
+++ b/modules/inttostr
@@ -0,0 +1,26 @@
+Description:
+Convert integers to printable strings.
+
+Files:
+lib/imaxtostr.c
+lib/inttostr.c
+lib/inttostr.h
+lib/offtostr.c
+lib/umaxtostr.c
+m4/intmax_t.m4
+m4/inttostr.m4
+m4/uintmax_t.m4
+
+Depends-on:
+
+configure.ac:
+gl_INTTOSTR
+
+Makefile.am:
+lib_SOURCES += imaxtostr.c inttostr.c inttostr.h offtostr.c umaxtostr.c
+
+Include:
+"inttostr.h"
+
+Maintainer:
+Paul Eggert