usr/src/lib/libc/port/gen/lltostr.c
author Joshua M. Clulow <jmc@joyent.com>
Mon, 04 Mar 2013 23:52:56 +0000
changeset 14188 afe390b9f1e0
parent 6812 febeba71273d
permissions -rw-r--r--
4020 Make ldi_ev_remove_callbacks safe to use in LDI callbacks Reviewed by: Robert Mustacchi <[email protected]> Approved by: Dan McDonald <[email protected]>
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/*
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 * CDDL HEADER START
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 *
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 * The contents of this file are subject to the terms of the
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 * Common Development and Distribution License (the "License").
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 * You may not use this file except in compliance with the License.
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 *
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 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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 * or http://www.opensolaris.org/os/licensing.
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 * See the License for the specific language governing permissions
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 * and limitations under the License.
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 *
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 * When distributing Covered Code, include this CDDL HEADER in each
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 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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 * If applicable, add the following below this CDDL HEADER, with the
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 * fields enclosed by brackets "[]" replaced with your own identifying
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 * information: Portions Copyright [yyyy] [name of copyright owner]
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 *
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 * CDDL HEADER END
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 */
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/*
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 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
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 * Use is subject to license terms.
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 */
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/*	Copyright (c) 1988 AT&T	*/
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/*	  All Rights Reserved  	*/
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#pragma ident	"%Z%%M%	%I%	%E% SMI"
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/*
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 *	lltostr -- convert long long to decimal string
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 *
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 *	char *
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 *	lltostr(value, ptr)
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 *	long long value;
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 *	char *ptr;
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 *
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 *	Ptr is assumed to point to the byte following a storage area
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 *	into which the decimal representation of "value" is to be
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 *	placed as a string.  Lltostr converts "value" to decimal and
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 *	produces the string, and returns a pointer to the beginning
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 *	of the string.  No leading zeroes are produced, and no
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 *	terminating null is produced.  The low-order digit of the
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 *	result always occupies memory position ptr-1.
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 *	Lltostr's behavior is undefined if "value" is negative.  A single
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 *	zero digit is produced if "value" is zero.
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 */
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#pragma weak _lltostr = lltostr
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#pragma weak _ulltostr = ulltostr
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#include "lint.h"
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#include <sys/types.h>
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#include <stdlib.h>
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char *
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lltostr(longlong_t value, char *ptr)
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{
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	longlong_t t;
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#ifdef _ILP32
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	if (!(0xffffffff00000000ULL & value)) {
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		ulong_t t, val = (ulong_t)value;
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		do {
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			*--ptr = (char)('0' + val - 10 * (t = val / 10));
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		} while ((val = t) != 0);
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		return (ptr);
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	}
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#endif
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	do {
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		*--ptr = (char)('0' + value - 10 * (t = value / 10));
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	} while ((value = t) != 0);
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	return (ptr);
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}
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char *
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ulltostr(u_longlong_t value, char *ptr)
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{
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	u_longlong_t t;
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#ifdef _ILP32
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	if (!(0xffffffff00000000ULL & value)) {
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		ulong_t t, val = (ulong_t)value;
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		do {
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			*--ptr = (char)('0' + val - 10 * (t = val / 10));
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		} while ((val = t) != 0);
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		return (ptr);
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	}
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#endif
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	do {
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		*--ptr = (char)('0' + value - 10 * (t = value / 10));
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	} while ((value = t) != 0);
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	return (ptr);
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}