1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 30*0Sstevel@tonic-gate /* All Rights Reserved */ 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate /* 34*0Sstevel@tonic-gate * convert long int to base 64 ascii 35*0Sstevel@tonic-gate * char set is [./0-9A-Za-z] 36*0Sstevel@tonic-gate * two's complement negatives are assumed, 37*0Sstevel@tonic-gate * but no assumptions are made about sign propagation on right shift 38*0Sstevel@tonic-gate * 39*0Sstevel@tonic-gate */ 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate #pragma weak l64a = _l64a 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate #include "synonyms.h" 44*0Sstevel@tonic-gate #include "mtlib.h" 45*0Sstevel@tonic-gate #include "libc.h" 46*0Sstevel@tonic-gate #include <values.h> 47*0Sstevel@tonic-gate #include <synch.h> 48*0Sstevel@tonic-gate #include <thread.h> 49*0Sstevel@tonic-gate #include <stdlib.h> 50*0Sstevel@tonic-gate #include <sys/types.h> 51*0Sstevel@tonic-gate #include "tsd.h" 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate #define BITSPERCHAR 6 /* to hold entire character set */ 54*0Sstevel@tonic-gate #define BITSUSED (BITSPERBYTE * sizeof (int)) 55*0Sstevel@tonic-gate #define NMAX ((BITSUSED + BITSPERCHAR - 1)/BITSPERCHAR) 56*0Sstevel@tonic-gate #define SIGN (-(1 << (BITSUSED - BITSPERCHAR - 1))) 57*0Sstevel@tonic-gate #define CHARMASK ((1 << BITSPERCHAR) - 1) 58*0Sstevel@tonic-gate #define WORDMASK ((1 << ((NMAX - 1) * BITSPERCHAR)) - 1) 59*0Sstevel@tonic-gate 60*0Sstevel@tonic-gate char * 61*0Sstevel@tonic-gate l64a(long value) 62*0Sstevel@tonic-gate { 63*0Sstevel@tonic-gate /* XPG4: only the lower 32 bits are used */ 64*0Sstevel@tonic-gate int lg = (int)value; 65*0Sstevel@tonic-gate char *buf = tsdalloc(_T_L64A, NMAX + 1, NULL); 66*0Sstevel@tonic-gate char *s = buf; 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate if (buf == NULL) 69*0Sstevel@tonic-gate return (NULL); 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate while (lg != 0) { 72*0Sstevel@tonic-gate 73*0Sstevel@tonic-gate int c = (lg & CHARMASK) + ('0' - 2); 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate if (c > '9') 76*0Sstevel@tonic-gate c += 'A' - '9' - 1; 77*0Sstevel@tonic-gate if (c > 'Z') 78*0Sstevel@tonic-gate c += 'a' - 'Z' - 1; 79*0Sstevel@tonic-gate *s++ = (char)c; 80*0Sstevel@tonic-gate /* fill high-order CHAR if negative */ 81*0Sstevel@tonic-gate /* but suppress sign propagation */ 82*0Sstevel@tonic-gate lg = ((lg < 0) ? (lg >> BITSPERCHAR) | SIGN : 83*0Sstevel@tonic-gate lg >> BITSPERCHAR) & WORDMASK; 84*0Sstevel@tonic-gate } 85*0Sstevel@tonic-gate *s = '\0'; 86*0Sstevel@tonic-gate return (buf); 87*0Sstevel@tonic-gate } 88