17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7257d1b4Sraf * Common Development and Distribution License (the "License"). 6*7257d1b4Sraf * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 21*7257d1b4Sraf 227c478bd9Sstevel@tonic-gate /* 23*7257d1b4Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 287c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate /* 317c478bd9Sstevel@tonic-gate * convert long int to base 64 ascii 327c478bd9Sstevel@tonic-gate * char set is [./0-9A-Za-z] 337c478bd9Sstevel@tonic-gate * two's complement negatives are assumed, 347c478bd9Sstevel@tonic-gate * but no assumptions are made about sign propagation on right shift 357c478bd9Sstevel@tonic-gate * 367c478bd9Sstevel@tonic-gate */ 377c478bd9Sstevel@tonic-gate 38*7257d1b4Sraf #include "lint.h" 397c478bd9Sstevel@tonic-gate #include "mtlib.h" 407c478bd9Sstevel@tonic-gate #include "libc.h" 417c478bd9Sstevel@tonic-gate #include <values.h> 427c478bd9Sstevel@tonic-gate #include <synch.h> 437c478bd9Sstevel@tonic-gate #include <thread.h> 447c478bd9Sstevel@tonic-gate #include <stdlib.h> 457c478bd9Sstevel@tonic-gate #include <sys/types.h> 467c478bd9Sstevel@tonic-gate #include "tsd.h" 477c478bd9Sstevel@tonic-gate 487c478bd9Sstevel@tonic-gate #define BITSPERCHAR 6 /* to hold entire character set */ 497c478bd9Sstevel@tonic-gate #define BITSUSED (BITSPERBYTE * sizeof (int)) 507c478bd9Sstevel@tonic-gate #define NMAX ((BITSUSED + BITSPERCHAR - 1)/BITSPERCHAR) 517c478bd9Sstevel@tonic-gate #define SIGN (-(1 << (BITSUSED - BITSPERCHAR - 1))) 527c478bd9Sstevel@tonic-gate #define CHARMASK ((1 << BITSPERCHAR) - 1) 537c478bd9Sstevel@tonic-gate #define WORDMASK ((1 << ((NMAX - 1) * BITSPERCHAR)) - 1) 547c478bd9Sstevel@tonic-gate 557c478bd9Sstevel@tonic-gate char * l64a(long value)567c478bd9Sstevel@tonic-gatel64a(long value) 577c478bd9Sstevel@tonic-gate { 587c478bd9Sstevel@tonic-gate /* XPG4: only the lower 32 bits are used */ 597c478bd9Sstevel@tonic-gate int lg = (int)value; 607c478bd9Sstevel@tonic-gate char *buf = tsdalloc(_T_L64A, NMAX + 1, NULL); 617c478bd9Sstevel@tonic-gate char *s = buf; 627c478bd9Sstevel@tonic-gate 637c478bd9Sstevel@tonic-gate if (buf == NULL) 647c478bd9Sstevel@tonic-gate return (NULL); 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate while (lg != 0) { 677c478bd9Sstevel@tonic-gate 687c478bd9Sstevel@tonic-gate int c = (lg & CHARMASK) + ('0' - 2); 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate if (c > '9') 717c478bd9Sstevel@tonic-gate c += 'A' - '9' - 1; 727c478bd9Sstevel@tonic-gate if (c > 'Z') 737c478bd9Sstevel@tonic-gate c += 'a' - 'Z' - 1; 747c478bd9Sstevel@tonic-gate *s++ = (char)c; 757c478bd9Sstevel@tonic-gate /* fill high-order CHAR if negative */ 767c478bd9Sstevel@tonic-gate /* but suppress sign propagation */ 777c478bd9Sstevel@tonic-gate lg = ((lg < 0) ? (lg >> BITSPERCHAR) | SIGN : 78*7257d1b4Sraf lg >> BITSPERCHAR) & WORDMASK; 797c478bd9Sstevel@tonic-gate } 807c478bd9Sstevel@tonic-gate *s = '\0'; 817c478bd9Sstevel@tonic-gate return (buf); 827c478bd9Sstevel@tonic-gate } 83