63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/* $NetBSD: inttostr.h,v 1.1.1.1 2003/01/26 00:43:14 wiz Exp $ */
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/* inttostr.h -- convert integers to printable strings
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Copyright (C) 2001 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/* Written by Paul Eggert */
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#if HAVE_CONFIG_H
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# include <config.h>
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#endif
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#if HAVE_INTTYPES_H
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# include <inttypes.h>
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#endif
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#if HAVE_LIMITS_H
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# include <limits.h>
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#endif
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#ifndef CHAR_BIT
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# define CHAR_BIT 8
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#endif
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#if HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
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/* Upper bound on the string length of an integer converted to string.
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302 / 1000 is ceil (log10 (2.0)). Subtract 1 for the sign bit;
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add 1 for integer division truncation; add 1 more for a minus sign. */
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#define INT_STRLEN_BOUND(t) \
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((sizeof (t) * CHAR_BIT - TYPE_SIGNED (t)) * 302 / 1000 + 1 + TYPE_SIGNED (t))
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#define INT_BUFSIZE_BOUND(t) (INT_STRLEN_BOUND (t) + 1)
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#ifndef PARAMS
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# if defined PROTOTYPES || defined __STDC__
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# define PARAMS(Args) Args
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# else
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# define PARAMS(Args) ()
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# endif
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#endif
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char *offtostr PARAMS ((off_t, char *));
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char *imaxtostr PARAMS ((intmax_t, char *));
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char *umaxtostr PARAMS ((uintmax_t, char *));
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