New modules 'uniconv/u16-strconv-to-enc', 'uniconv/u32-strconv-to-enc'.

[gnulib.git] / lib / human.c

diff --git a/lib/human.c b/lib/human.c
index 295e6de..ecf4c97 100644 (file)
--- a/lib/human.c
+++ b/lib/human.c
@@ -1,7 +1,7 @@
 /* human.c -- print human readable file size
 
-   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
-   Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+   2005, 2006 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 +15,14 @@
 
    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.  */
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
 /* Written by Paul Eggert and Larry McVoy.  */
 
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include <config.h>
 
 #include "human.h"
 
-#ifndef SIZE_MAX
-# define SIZE_MAX ((size_t) -1)
-#endif
-#ifndef UINTMAX_MAX
-# define UINTMAX_MAX ((uintmax_t) -1)
-#endif
-
 #include <locale.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -42,6 +33,7 @@
 
 #include <argmatch.h>
 #include <error.h>
+#include <intprops.h>
 #include <xstrtol.h>
 
 /* The maximum length of a suffix like "KiB".  */
@@ -99,10 +91,8 @@ group_number (char *number, size_t numberlen,
   size_t i = numberlen;
 
   /* The maximum possible value for NUMBERLEN is the number of digits
-     in the square of the largest uintmax_t, so double the size of
-     uintmax_t before converting to a bound.  302 / 1000 is ceil
-     (log10 (2.0)).  Add 1 for integer division truncation.  */
-  char buf[2 * sizeof (uintmax_t) * CHAR_BIT * 302 / 1000 + 1];
+     in the square of the largest uintmax_t, so double the size needed.  */
+  char buf[2 * INT_STRLEN_BOUND (uintmax_t) + 1];
 
   memcpy (buf, number, numberlen);
   d = number + numberlen;
@@ -452,7 +442,10 @@ humblock (char const *spec, uintmax_t *block_size, int *options)
          strtol_error e = xstrtoumax (spec, &ptr, 0, block_size,
                                       "eEgGkKmMpPtTyYzZ0");
          if (e != LONGINT_OK)
-           return e;
+           {
+             *options = 0;
+             return e;
+           }
          for (; ! ('0' <= *spec && *spec <= '9'); spec++)
            if (spec == ptr)
              {