1 files changed, 69 insertions, 0 deletions
diff --git a/dom/webauthn/cbor-cpp/src/output_dynamic.cpp b/dom/webauthn/cbor-cpp/src/output_dynamic.cpp
new file mode 100644
index 0000000000..a9cf468112
--- /dev/null
+++ b/dom/webauthn/cbor-cpp/src/output_dynamic.cpp
@@ -0,0 +1,69 @@
+/*
+   Copyright 2014-2015 Stanislav Ovsyannikov
+
+   Licensed 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
+
+	   Unless required by applicable law or agreed to in writing, software
+	   distributed under the License is distributed on an "AS IS" BASIS,
+	   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+	   See the License for the specific language governing permissions and
+	   limitations under the License.
+*/
+
+#include "output_dynamic.h"
+
+#include <string.h>
+#include <stdlib.h>
+
+using namespace cbor;
+
+
+void output_dynamic::init(unsigned int initalCapacity) {
+    this->_capacity = initalCapacity;
+    this->_buffer = new unsigned char[initalCapacity];
+    this->_offset = 0;
+}
+
+output_dynamic::output_dynamic() {
+    init(256);
+}
+
+output_dynamic::output_dynamic(unsigned int inital_capacity) {
+    init(inital_capacity);
+}
+
+output_dynamic::~output_dynamic() {
+    delete _buffer;
+}
+
+unsigned char *output_dynamic::data() {
+    return _buffer;
+}
+
+unsigned int output_dynamic::size() {
+    return _offset;
+}
+
+void output_dynamic::put_byte(unsigned char value) {
+    if(_offset < _capacity) {
+        _buffer[_offset++] = value;
+    } else {
+        _capacity *= 2;
+        _buffer = (unsigned char *) realloc(_buffer, _capacity);
+        _buffer[_offset++] = value;
+    }
+}
+
+void output_dynamic::put_bytes(const unsigned char *data, int size) {
+    while(_offset + size > _capacity) {
+        _capacity *= 2;
+        _buffer = (unsigned char *) realloc(_buffer, _capacity);
+    }
+
+    memcpy(_buffer + _offset, data, size);
+    _offset += size;
+}