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 *
lltostr(longlong_t value,char * ptr)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 *
ulltostr(u_longlong_t value,char * ptr)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