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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1988 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 /* 34 * ecvt converts to decimal 35 * the number of digits is specified by ndigit 36 * decpt is set to the position of the decimal point 37 * sign is set to 0 for positive, 1 for negative 38 * 39 */ 40 41 #pragma weak ecvt = _ecvt 42 #pragma weak fcvt = _fcvt 43 #pragma weak qecvt = _qecvt 44 #pragma weak qfcvt = _qfcvt 45 #pragma weak qgcvt = _qgcvt 46 47 #include "synonyms.h" 48 #include <sys/types.h> 49 #include <stdlib.h> 50 #include <floatingpoint.h> 51 #include "tsd.h" 52 53 char * 54 ecvt(number, ndigits, decpt, sign) 55 double number; 56 int ndigits; 57 int *decpt; 58 int *sign; 59 { 60 char *buf = tsdalloc(_T_ECVT, DECIMAL_STRING_LENGTH, NULL); 61 62 return (econvert(number, ndigits, decpt, sign, buf)); 63 } 64 65 char * 66 fcvt(number, ndigits, decpt, sign) 67 double number; 68 int ndigits; 69 int *decpt; 70 int *sign; 71 { 72 char *buf = tsdalloc(_T_ECVT, DECIMAL_STRING_LENGTH, NULL); 73 char *ptr, *val; 74 char ch; 75 int deci_val; 76 77 ptr = fconvert(number, ndigits, decpt, sign, buf); 78 val = ptr; 79 deci_val = *decpt; 80 81 while ((ch = *ptr) != '\0') { 82 if (ch != '0') { /* You execute this if there are no */ 83 /* leading zero's remaining. */ 84 *decpt = deci_val; /* If there are leading zero's */ 85 return (ptr); /* gets updated. */ 86 } 87 ptr++; 88 deci_val--; 89 } 90 return (val); 91 } 92 93 char * 94 qecvt(number, ndigits, decpt, sign) 95 long double number; 96 int ndigits; 97 int *decpt; 98 int *sign; 99 { 100 char *buf = tsdalloc(_T_ECVT, DECIMAL_STRING_LENGTH, NULL); 101 102 return (qeconvert(&number, ndigits, decpt, sign, buf)); 103 } 104 105 char * 106 qfcvt(number, ndigits, decpt, sign) 107 long double number; 108 int ndigits; 109 int *decpt; 110 int *sign; 111 { 112 char *buf = tsdalloc(_T_ECVT, DECIMAL_STRING_LENGTH, NULL); 113 114 return (qfconvert(&number, ndigits, decpt, sign, buf)); 115 } 116 117 char * 118 qgcvt(number, ndigits, buffer) 119 long double number; 120 int ndigits; 121 char *buffer; 122 { 123 return (qgconvert(&number, ndigits, 0, buffer)); 124 } 125