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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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82
test/langtools/tools/javac/Paths/Help.java Normal file
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/*
* Copyright (c) 2003, 2022, 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 4940642 8293877
* @summary Check for -help and -X flags
*/
/*
* Converted from Help.sh, originally written by Martin Buchholz
*
* For the last version of the original, Help.sh, see
* https://git.openjdk.org/jdk/blob/jdk-19%2B36/test/langtools/tools/javac/Paths/Help.sh
*
* This class provides rudimentary tests of the javac command-line help.
*/
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.spi.ToolProvider;
public class Help {
public static void main(String... args) throws Exception {
new Help().run(args);
}
void run(String... args) throws Exception {
String helpText = javac("-help");
check(helpText,
"-X ", "-J", "-classpath ", "-cp ", "-bootclasspath ", "-sourcepath ");
String xText = javac("-X");
check(xText, "-Xbootclasspath/p:");
}
void check(String text, String... options) throws Exception {
for (String opt : options) {
System.err.println("Checking '" + opt + "'");
if (!text.contains(opt)) {
text.lines().forEach(System.err::println);
throw new Exception("Bad help output");
}
}
}
String javac(String... args) throws Exception {
var javac = ToolProvider.findFirst("javac")
.orElseThrow(() -> new Exception("cannot find javac"));
try (StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw)) {
int rc = javac.run(pw, pw, args);
if (rc != 0) {
throw new Error("unexpected exit from javac: " + rc);
}
pw.flush();
return sw.toString();
}
}
}