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 #pragma weak ecvt = _ecvt 41 #pragma weak fcvt = _fcvt 42 #pragma weak qecvt = _qecvt 43 #pragma weak qfcvt = _qfcvt 44 #pragma weak qgcvt = _qgcvt 45 46 #include "synonyms.h" 47 #include <sys/types.h> 48 #include <stdlib.h> 49 #include <floatingpoint.h> 50 #include "tsd.h" 51 52 char * 53 ecvt(number, ndigits, decpt, sign) 54 double number; 55 int ndigits; 56 int *decpt; 57 int *sign; 58 { 59 char *buf = tsdalloc(_T_ECVT, DECIMAL_STRING_LENGTH, NULL); 60 61 return (econvert(number, ndigits, decpt, sign, buf)); 62 } 63 64 char * 65 fcvt(number, ndigits, decpt, sign) 66 double number; 67 int ndigits; 68 int *decpt; 69 int *sign; 70 { 71 char *buf = tsdalloc(_T_ECVT, DECIMAL_STRING_LENGTH, NULL); 72 char *ptr, *val; 73 char ch; 74 int deci_val; 75 76 ptr = fconvert(number, ndigits, decpt, sign, buf); 77 val = ptr; 78 deci_val = *decpt; 79 80 while ((ch = *ptr) != '\0') { 81 if (ch != '0') { /* You execute this if there are no */ 82 /* leading zero's remaining. */ 83 *decpt = deci_val; /* If there are leading zero's */ 84 return (ptr); /* gets updated. */ 85 } 86 ptr++; 87 deci_val--; 88 } 89 return (val); 90 } 91 92 char * 93 qecvt(number, ndigits, decpt, sign) 94 long double number; 95 int ndigits; 96 int *decpt; 97 int *sign; 98 { 99 char *buf = tsdalloc(_T_ECVT, DECIMAL_STRING_LENGTH, NULL); 100 101 return (qeconvert(&number, ndigits, decpt, sign, buf)); 102 } 103 104 char * 105 qfcvt(number, ndigits, decpt, sign) 106 long double number; 107 int ndigits; 108 int *decpt; 109 int *sign; 110 { 111 char *buf = tsdalloc(_T_ECVT, DECIMAL_STRING_LENGTH, NULL); 112 113 return (qfconvert(&number, ndigits, decpt, sign, buf)); 114 } 115 116 char * 117 qgcvt(number, ndigits, buffer) 118 long double number; 119 int ndigits; 120 char *buffer; 121 { 122 return (qgconvert(&number, ndigits, 0, buffer)); 123 } 124