From 940b4d1848e8c70ab7642901a68594e8016caffc Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 27 Apr 2024 18:51:28 +0200
Subject: Adding upstream version 1:7.0.4.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 vcl/workben/pngfuzzer.cxx | 56 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 vcl/workben/pngfuzzer.cxx

(limited to 'vcl/workben/pngfuzzer.cxx')

diff --git a/vcl/workben/pngfuzzer.cxx b/vcl/workben/pngfuzzer.cxx
new file mode 100644
index 000000000..2a3357830
--- /dev/null
+++ b/vcl/workben/pngfuzzer.cxx
@@ -0,0 +1,56 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <tools/stream.hxx>
+#include <vcl/pngread.hxx>
+#include "commonfuzzer.hxx"
+
+#include <config_features.h>
+#include <osl/detail/component-mapping.h>
+
+const lib_to_factory_mapping *
+lo_get_factory_map(void)
+{
+    static lib_to_factory_mapping map[] = {
+        { 0, 0 }
+    };
+
+    return map;
+}
+
+const lib_to_constructor_mapping *
+lo_get_constructor_map(void)
+{
+    static lib_to_constructor_mapping map[] = {
+        { 0, 0 }
+    };
+
+    return map;
+}
+
+extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
+{
+    TypicalFuzzerInitialize(argc, argv);
+    return 0;
+}
+
+extern "C" void* lo_get_custom_widget_func(const char*)
+{
+    return nullptr;
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
+{
+    SvMemoryStream aStream(const_cast<uint8_t*>(data), size, StreamMode::READ);
+    vcl::PNGReader aReader(aStream);
+    (void)aReader.Read();
+    return 0;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
-- 
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