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 * lltostr -- convert long long to decimal string 34 * 35 * char * 36 * lltostr(value, ptr) 37 * long long value; 38 * char *ptr; 39 * 40 * Ptr is assumed to point to the byte following a storage area 41 * into which the decimal representation of "value" is to be 42 * placed as a string. Lltostr converts "value" to decimal and 43 * produces the string, and returns a pointer to the beginning 44 * of the string. No leading zeroes are produced, and no 45 * terminating null is produced. The low-order digit of the 46 * result always occupies memory position ptr-1. 47 * Lltostr's behavior is undefined if "value" is negative. A single 48 * zero digit is produced if "value" is zero. 49 */ 50 51 #pragma weak _lltostr = lltostr 52 #pragma weak _ulltostr = ulltostr 53 54 #include "lint.h" 55 #include <sys/types.h> 56 #include <stdlib.h> 57 58 char * 59 lltostr(longlong_t value, char *ptr) 60 { 61 longlong_t t; 62 63 #ifdef _ILP32 64 if (!(0xffffffff00000000ULL & value)) { 65 ulong_t t, val = (ulong_t)value; 66 67 do { 68 *--ptr = (char)('0' + val - 10 * (t = val / 10)); 69 } while ((val = t) != 0); 70 71 return (ptr); 72 } 73 #endif 74 75 do { 76 *--ptr = (char)('0' + value - 10 * (t = value / 10)); 77 } while ((value = t) != 0); 78 79 return (ptr); 80 } 81 82 char * 83 ulltostr(u_longlong_t value, char *ptr) 84 { 85 u_longlong_t t; 86 87 #ifdef _ILP32 88 if (!(0xffffffff00000000ULL & value)) { 89 ulong_t t, val = (ulong_t)value; 90 91 do { 92 *--ptr = (char)('0' + val - 10 * (t = val / 10)); 93 } while ((val = t) != 0); 94 95 return (ptr); 96 } 97 #endif 98 99 do { 100 *--ptr = (char)('0' + value - 10 * (t = value / 10)); 101 } while ((value = t) != 0); 102 103 return (ptr); 104 } 105