1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*	Copyright (c) 1988 AT&T	*/
28/*	  All Rights Reserved  	*/
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32/*
33 *	ecvt converts to decimal
34 *	the number of digits is specified by ndigit
35 *	decpt is set to the position of the decimal point
36 *	sign is set to 0 for positive, 1 for negative
37 *
38 */
39
40#pragma weak _ecvt = ecvt
41#pragma weak _fcvt = fcvt
42
43#include "lint.h"
44#include <sys/types.h>
45#include <stdlib.h>
46#include <floatingpoint.h>
47#include "tsd.h"
48
49char *
50ecvt(double number, int ndigits, int *decpt, int *sign)
51{
52	char *buf = tsdalloc(_T_ECVT, DECIMAL_STRING_LENGTH, NULL);
53
54	return (econvert(number, ndigits, decpt, sign, buf));
55}
56
57char *
58fcvt(double number, int ndigits, int *decpt, int *sign)
59{
60	char *buf = tsdalloc(_T_ECVT, DECIMAL_STRING_LENGTH, NULL);
61	char *ptr, *val;
62	char ch;
63	int deci_val;
64
65	ptr = fconvert(number, ndigits, decpt, sign, buf);
66
67	val = ptr;
68	deci_val = *decpt;
69
70	while ((ch = *ptr) != 0) {
71		if (ch != '0') { /* You execute this if there are no */
72				    /* leading zero's remaining. */
73			*decpt = deci_val; /* If there are leading zero's */
74			return (ptr);		/* gets updated. */
75		}
76		ptr++;
77		deci_val--;
78	}
79	return (val);
80}
81
82char *
83qecvt(number, ndigits, decpt, sign)
84	long double	number;
85	int		ndigits;
86	int		*decpt;
87	int		*sign;
88{
89	char *buf = tsdalloc(_T_ECVT, DECIMAL_STRING_LENGTH, NULL);
90
91	return (qeconvert(&number, ndigits, decpt, sign, buf));
92}
93
94char *
95qfcvt(long double number, int ndigits, int *decpt, int *sign)
96{
97	char *buf = tsdalloc(_T_ECVT, DECIMAL_STRING_LENGTH, NULL);
98
99	return (qfconvert(&number, ndigits, decpt, sign, buf));
100}
101
102char *
103qgcvt(long double number, int ndigits, char *buffer)
104{
105	return (qgconvert(&number, ndigits, 0, buffer));
106}
107