Squashed 'third_party/seasocks/' content from commit 016dc60
Change-Id: I195fa5bfd0c0e3cc66fbbefcc7b5170bafcf7a36
git-subtree-dir: third_party/seasocks
git-subtree-split: 016dc60b247e0d1d563aea6d22a9075e6884ab9f
diff --git a/src/main/c/internal/Base64.cpp b/src/main/c/internal/Base64.cpp
new file mode 100644
index 0000000..3b1cf20
--- /dev/null
+++ b/src/main/c/internal/Base64.cpp
@@ -0,0 +1,50 @@
+// Copyright (c) 2013, Matt Godbolt
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// Redistributions of source code must retain the above copyright notice, this
+// list of conditions and the following disclaimer.
+//
+// Redistributions in binary form must reproduce the above copyright notice,
+// this list of conditions and the following disclaimer in the documentation
+// and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.
+
+#include "internal/Base64.h"
+
+#include <cstdint>
+
+namespace seasocks {
+
+const char cb64[]="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+std::string base64Encode(const void* dataVoid, size_t length) {
+ std::string output;
+ auto data = reinterpret_cast<const uint8_t*>(dataVoid);
+ for (auto i = 0u; i < length; i += 3) {
+ auto bytesLeft = length - i;
+ auto b0 = data[i];
+ auto b1 = bytesLeft > 1 ? data[i + 1] : 0;
+ auto b2 = bytesLeft > 2 ? data[i + 2] : 0;
+ output.push_back(cb64[b0 >> 2]);
+ output.push_back(cb64[((b0 & 0x03) << 4) | ((b1 & 0xf0) >> 4)]);
+ output.push_back((bytesLeft > 1 ? cb64[((b1 & 0x0f) << 2) | ((b2 & 0xc0) >> 6)] : '='));
+ output.push_back((bytesLeft > 2 ? cb64[b2 & 0x3f] : '='));
+ }
+ return output;
+}
+
+} // namespace seasocks