X-Git-Url: https://gerrit.akraino.org/r/gitweb?a=blobdiff_plain;f=src%2Ftype3_AndroidCloud%2Fanbox-master%2Fsrc%2Fanbox%2Fcommon%2Fvariable_length_array.h;fp=src%2Ftype3_AndroidCloud%2Fanbox-master%2Fsrc%2Fanbox%2Fcommon%2Fvariable_length_array.h;h=52fedbf77de359f1e1a5a2bac2774bad8a2e3619;hb=e26c1ec581be598521517829adba8c8dd23a768f;hp=0000000000000000000000000000000000000000;hpb=6699c1aea74eeb0eb400e6299079f0c7576f716f;p=iec.git
diff --git a/src/type3_AndroidCloud/anbox-master/src/anbox/common/variable_length_array.h b/src/type3_AndroidCloud/anbox-master/src/anbox/common/variable_length_array.h
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+++ b/src/type3_AndroidCloud/anbox-master/src/anbox/common/variable_length_array.h
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+/*
+ * Copyright © 2014 Canonical Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see .
+ *
+ * Authored by: Alexandros Frantzis
+ */
+
+#ifndef ANBOX_COMMON_VARIABLE_LENGTH_ARRAY_H_
+#define ANBOX_COMMON_VARIABLE_LENGTH_ARRAY_H_
+
+#include
+#include
+
+namespace anbox {
+template
+class VariableLengthArray {
+ public:
+ explicit VariableLengthArray(size_t size) : size_{size} {
+ /* Don't call resize if the initial values of member variables are valid */
+ if (size > BuiltInBufferSize) resize(size);
+ }
+
+ void resize(size_t size) {
+ if (size > BuiltInBufferSize)
+ effective_buffer = BufferUPtr{new unsigned char[size], heap_deleter};
+ else
+ effective_buffer = BufferUPtr{builtin_buffer, null_deleter};
+
+ size_ = size;
+ }
+
+ unsigned char* data() const { return effective_buffer.get(); }
+ size_t size() const { return size_; }
+
+ private:
+ typedef std::unique_ptr BufferUPtr;
+
+ static void null_deleter(unsigned char*) {}
+ static void heap_deleter(unsigned char* b) { delete[] b; }
+
+ unsigned char builtin_buffer[BuiltInBufferSize];
+ BufferUPtr effective_buffer{builtin_buffer, null_deleter};
+ size_t size_;
+};
+} // namespace anbox
+
+#endif