| /* |
| * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * @test |
| * @bug 6732154 |
| * @summary REG: Printing an Image using image/gif doc flavor crashes the VM, Solsparc |
| * |
| * @run main/othervm -Xcomp |
| * -XX:CompileCommand=compileonly,compiler.c2.Test6732154::ascii85Encode |
| * compiler.c2.Test6732154 |
| */ |
| |
| package compiler.c2; |
| |
| public class Test6732154 { |
| |
| // Exact copy of sun.print.PSPrinterJob.ascii85Encode([b)[b |
| private byte[] ascii85Encode(byte[] inArr) { |
| byte[] outArr = new byte[((inArr.length+4) * 5 / 4) + 2]; |
| long p1 = 85; |
| long p2 = p1*p1; |
| long p3 = p1*p2; |
| long p4 = p1*p3; |
| byte pling = '!'; |
| |
| int i = 0; |
| int olen = 0; |
| long val, rem; |
| |
| while (i+3 < inArr.length) { |
| val = ((long)((inArr[i++]&0xff))<<24) + |
| ((long)((inArr[i++]&0xff))<<16) + |
| ((long)((inArr[i++]&0xff))<< 8) + |
| ((long)(inArr[i++]&0xff)); |
| if (val == 0) { |
| outArr[olen++] = 'z'; |
| } else { |
| rem = val; |
| outArr[olen++] = (byte)(rem / p4 + pling); rem = rem % p4; |
| outArr[olen++] = (byte)(rem / p3 + pling); rem = rem % p3; |
| outArr[olen++] = (byte)(rem / p2 + pling); rem = rem % p2; |
| outArr[olen++] = (byte)(rem / p1 + pling); rem = rem % p1; |
| outArr[olen++] = (byte)(rem + pling); |
| } |
| } |
| // input not a multiple of 4 bytes, write partial output. |
| if (i < inArr.length) { |
| int n = inArr.length - i; // n bytes remain to be written |
| |
| val = 0; |
| while (i < inArr.length) { |
| val = (val << 8) + (inArr[i++]&0xff); |
| } |
| |
| int append = 4 - n; |
| while (append-- > 0) { |
| val = val << 8; |
| } |
| byte []c = new byte[5]; |
| rem = val; |
| c[0] = (byte)(rem / p4 + pling); rem = rem % p4; |
| c[1] = (byte)(rem / p3 + pling); rem = rem % p3; |
| c[2] = (byte)(rem / p2 + pling); rem = rem % p2; |
| c[3] = (byte)(rem / p1 + pling); rem = rem % p1; |
| c[4] = (byte)(rem + pling); |
| |
| for (int b = 0; b < n+1 ; b++) { |
| outArr[olen++] = c[b]; |
| } |
| } |
| |
| // write EOD marker. |
| outArr[olen++]='~'; outArr[olen++]='>'; |
| |
| /* The original intention was to insert a newline after every 78 bytes. |
| * This was mainly intended for legibility but I decided against this |
| * partially because of the (small) amount of extra space, and |
| * partially because for line breaks either would have to hardwire |
| * ascii 10 (newline) or calculate space in bytes to allocate for |
| * the platform's newline byte sequence. Also need to be careful |
| * about where its inserted: |
| * Ascii 85 decoder ignores white space except for one special case: |
| * you must ensure you do not split the EOD marker across lines. |
| */ |
| byte[] retArr = new byte[olen]; |
| System.arraycopy(outArr, 0, retArr, 0, olen); |
| return retArr; |
| } |
| |
| public static void main(String[] args) { |
| new Test6732154().ascii85Encode(new byte[0]); |
| System.out.println("Test passed."); |
| } |
| } |