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authorJim Meyering <jim@meyering.net>2002-10-19 12:34:03 +0000
committerJim Meyering <jim@meyering.net>2002-10-19 12:34:03 +0000
commit927bbc5cc3feebfd7e40762aa405f8017ba5c557 (patch)
treea9dd8602a16d12b3782fbf0f66b4be270661576b /lib/inttostr.h
parent8d30090e2ea3fba219fd18d7541e58870b13dfbc (diff)
downloadcoreutils-927bbc5cc3feebfd7e40762aa405f8017ba5c557.tar.xz
New files. From GNU tar.
Diffstat (limited to 'lib/inttostr.h')
-rw-r--r--lib/inttostr.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/lib/inttostr.h b/lib/inttostr.h
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+/* inttostr.h -- convert integers to printable strings
+
+ Copyright (C) 2001, 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, 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)
+
+#ifndef PARAMS
+# if defined PROTOTYPES || defined __STDC__
+# define PARAMS(Args) Args
+# else
+# define PARAMS(Args) ()
+# endif
+#endif
+
+char *offtostr PARAMS ((off_t, char *));
+char *imaxtostr PARAMS ((intmax_t, char *));
+char *umaxtostr PARAMS ((uintmax_t, char *));