From b0107165b72afe3e9b72847c350d71af347c856e Mon Sep 17 00:00:00 2001
From: AdamKorcz <adam@adalogics.com>
Date: Tue, 5 Jan 2021 12:50:23 +0000
Subject: Tests: Add a fuzzer for oss-fuzz

---
 Tests/Fuzzing/README.rst           |  8 ++++++++
 Tests/Fuzzing/xml_parser_fuzzer.cc | 27 +++++++++++++++++++++++++++
 2 files changed, 35 insertions(+)
 create mode 100644 Tests/Fuzzing/README.rst
 create mode 100644 Tests/Fuzzing/xml_parser_fuzzer.cc

diff --git a/Tests/Fuzzing/README.rst b/Tests/Fuzzing/README.rst
new file mode 100644
index 0000000..a869f9c
--- /dev/null
+++ b/Tests/Fuzzing/README.rst
@@ -0,0 +1,8 @@
+The fuzzers in this directory are run continuously through OSS-fuzz.
+All fuzzers are implemented by way of the `libFuzzer engine`_.
+
+The link to the OSS-fuzz integration can be found here: (pending)
+All email addresses in the `project.yaml` file on OSS-fuzz will have access
+to detailed bug reports and will be notified via email if/when bugs are found.
+
+.. _`libFuzzer Engine`: https://llvm.org/docs/LibFuzzer.html
diff --git a/Tests/Fuzzing/xml_parser_fuzzer.cc b/Tests/Fuzzing/xml_parser_fuzzer.cc
new file mode 100644
index 0000000..1faa918
--- /dev/null
+++ b/Tests/Fuzzing/xml_parser_fuzzer.cc
@@ -0,0 +1,27 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "cmXMLParser.h"
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+  char test_file[] = "libfuzzer.xml";
+
+  FILE* fp = fopen(test_file, "wb");
+  if (!fp)
+    return 0;
+  fwrite(data, size, 1, fp);
+  fclose(fp);
+
+  cmXMLParser parser;
+  if (!parser.ParseFile(test_file)) {
+    return 1;
+  }
+
+  remove(test_file);
+  return 0;
+}
-- 
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