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 /* 31 * lltostr -- convert long long to decimal string 32 * 33 * char * 34 * lltostr(value, ptr) 35 * long long value; 36 * char *ptr; 37 * 38 * Ptr is assumed to point to the byte following a storage area 39 * into which the decimal representation of "value" is to be 40 * placed as a string. Lltostr converts "value" to decimal and 41 * produces the string, and returns a pointer to the beginning 42 * of the string. No leading zeroes are produced, and no 43 * terminating null is produced. The low-order digit of the 44 * result always occupies memory position ptr-1. 45 * Lltostr's behavior is undefined if "value" is negative. A single 46 * zero digit is produced if "value" is zero. 47 */ 48 49 #pragma weak _lltostr = lltostr 50 #pragma weak _ulltostr = ulltostr 51 52 #include "lint.h" 53 #include <sys/types.h> 54 #include <stdlib.h> 55 56 char * 57 lltostr(longlong_t value, char *ptr) 58 { 59 longlong_t t; 60 61 #ifdef _ILP32 62 if (!(0xffffffff00000000ULL & value)) { 63 ulong_t t, val = (ulong_t)value; 64 65 do { 66 *--ptr = (char)('0' + val - 10 * (t = val / 10)); 67 } while ((val = t) != 0); 68 69 return (ptr); 70 } 71 #endif 72 73 do { 74 *--ptr = (char)('0' + value - 10 * (t = value / 10)); 75 } while ((value = t) != 0); 76 77 return (ptr); 78 } 79 80 char * 81 ulltostr(u_longlong_t value, char *ptr) 82 { 83 u_longlong_t t; 84 85 #ifdef _ILP32 86 if (!(0xffffffff00000000ULL & value)) { 87 ulong_t t, val = (ulong_t)value; 88 89 do { 90 *--ptr = (char)('0' + val - 10 * (t = val / 10)); 91 } while ((val = t) != 0); 92 93 return (ptr); 94 } 95 #endif 96 97 do { 98 *--ptr = (char)('0' + value - 10 * (t = value / 10)); 99 } while ((value = t) != 0); 100 101 return (ptr); 102 } 103