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

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.
2026-03-26 17:11:57 -04:00 · 2026-03-26 17:11:57 -04:00 · 0a580b313d
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
--- a/test/jdk/java/io/LineNumberReader/MarkReset.java
+++ b/test/jdk/java/io/LineNumberReader/MarkReset.java
@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 1998, 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 4081733
+   @summary Make sure LineNumberReader returns right line number
+            when mark and reset are used
+   */
+
+
+import java.io.*;
+
+public class MarkReset {
+
+    /**
+     * This program creates a LineNumberReader and tries to find all
+     * the non-whitespace characters in the file.
+     */
+    public static void main(String[] args) throws Exception {
+        int n, line;
+
+        LineNumberReader reader = new LineNumberReader
+                                      (new StringReader("0\r\n1\r2\n3\r\n\r5\r\r7\n\n9"));
+        for (n = 0; n < 7; n++) {
+            skipWhiteSpace(reader);     /* Skip all whitespace */
+            int c = reader.read();      /* Read the non-whitespace character */
+            if (c < 0) {                /* Might be eof */
+                break;                  /* It is. Get out of the loop */
+            }
+            line = reader.getLineNumber();
+            if(line != (c - 48)) {
+                throw new Exception("Failed test : Line number expected "
+                                    + (c - 48)  + " got " + line );
+            }
+        }
+    }
+
+    /**
+     * Skip whitespace in the file. Mark and reset
+     */
+    private static void skipWhiteSpace(LineNumberReader reader) throws IOException {
+        while (true) {
+            /* Mark in case the character is not whitespace */
+            reader.mark(10);
+            /* Read the character */
+            int c = reader.read();
+            if (Character.isWhitespace((char) c)) {
+                /* Loop while in whitespace */
+                continue;
+            }
+
+            /* Return to the non-whitespace character */
+            reader.reset();
+            break;
+        }
+    }
+}