1 files changed, 53 insertions, 0 deletions
diff --git a/src/components/utils/src/gen_hash.cc b/src/components/utils/src/gen_hash.cc
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+++ b/src/components/utils/src/gen_hash.cc
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+/*
+ * Copyright (c) 2015, Ford Motor Company
+ * 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.
+ *
+ * Neither the name of the Ford Motor Company nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * 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 "utils/gen_hash.h"
+
+#include <cstdlib>
+
+namespace utils {
+
+const std::string gen_hash(size_t size) {
+  static const char symbols[] = "0123456789"
+                                "abcdefghijklmnopqrstuvwxyz"
+                                "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+  static const size_t capacity = sizeof(symbols) - 1;
+
+  std::string hash(size, '\0');
+  for (std::string::iterator i = hash.begin(); i != hash.end(); ++i) {
+    int index = std::rand() % capacity;
+    *i = symbols[index];
+  }
+  return hash;
+}
+
+}  // namespace utils