1 files changed, 75 insertions, 0 deletions
diff --git a/crashrep/source/win32/base64.cxx b/crashrep/source/win32/base64.cxx
new file mode 100644
index 000000000000..a0b8769f6bc5
--- /dev/null
+++ b/crashrep/source/win32/base64.cxx
@@ -0,0 +1,75 @@
+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include "base64.h"
+
+static const char base64_tab[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+extern "C" size_t base64_encode( FILE *fin, FILE *fout )
+{
+    size_t nLineLength = 0;
+    size_t nBytesWritten = 0;
+
+    size_t nBytes = 0;
+
+    do
+    {
+        unsigned char in_buffer[3];
+
+        memset( in_buffer, 0, sizeof(in_buffer) );
+        nBytes = fread( in_buffer, 1, sizeof(in_buffer), fin );
+
+        if ( nBytes )
+        {
+            unsigned long value =
+                ((unsigned long)in_buffer[0]) << 16 |
+                ((unsigned long)in_buffer[1]) << 8 |
+                ((unsigned long)in_buffer[2]) << 0;
+
+            unsigned char out_buffer[4];
+
+            memset( out_buffer, '=', sizeof(out_buffer) );
+
+            out_buffer[0] = base64_tab[(value >> 18) & 0x3F];
+            out_buffer[1] = base64_tab[(value >> 12) & 0x3F];
+
+            if ( nBytes > 1 )
+            {
+                out_buffer[2] = base64_tab[(value >> 6) & 0x3F];
+                if ( nBytes > 2 )
+                    out_buffer[3] = base64_tab[(value >> 0) & 0x3F];
+            }
+
+            if ( nLineLength >= 76 )
+            {
+                fputs( "\n", fout );
+                nLineLength = 0;
+            }
+
+            nBytesWritten += fwrite( out_buffer, 1, sizeof(out_buffer), fout );
+            nLineLength += sizeof(out_buffer);
+        }
+    } while ( nBytes );
+
+    return nBytesWritten;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */