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-rw-r--r--src/mongo/util/mongoutils/checksum.h32
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diff --git a/src/mongo/util/mongoutils/checksum.h b/src/mongo/util/mongoutils/checksum.h
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+/** @file checksum.h */
+
+/* Copyright 2009 10gen Inc.
+ *
+ * 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.
+ */
+
+#pragma once
+
+namespace mongoutils {
+
+ /**
+ * this is a silly temporary implementation
+ */
+ inline int checksum( const char* x , int size ) {
+ int ck = 0;
+ for ( int i=0; i<size; i++ )
+ ck += ( (int)x[i] * ( i + 1 ) );
+ return ck;
+ }
+
+}