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.

test/jdk/java/io/charStreams/ABCReader.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 1997, 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.
+ */
+
+/**/
+
+import java.io.Reader;
+
+
+class ABCReader extends Reader {
+
+    int len;
+    int count = 0;
+    char next = 'a';
+
+    ABCReader(int len) {
+        this.len = len;
+    }
+
+    public int read() {
+        if (count >= len)
+            return -1;
+        char c = next;
+        if (next == 'z')
+            next = '0';
+        else if (next == '9')
+            next = 'a';
+        else
+            next++;
+        count++;
+        return c;
+    }
+
+    public int read(char cbuf[], int off, int len) {
+        for (int i = off; i < off + len; i++) {
+            int c = read();
+            if (c == -1) {
+                if (i > off)
+                    return i - off;
+                else
+                    return -1;
+            }
+            cbuf[i] = (char) c;
+        }
+        return len;
+    }
+
+    public void close() {
+        len = 0;
+    }
+
+}