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/* 
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. 
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"). 
 * You may not use this file except in compliance with the License. 
 * A copy of the License is located at 
 * 
 *  http://aws.amazon.com/apache2.0 
 * 
 * or in the "license" file accompanying this file. This file 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 
 
/* bit operations on a char[] mask of arbitrary length */ 
#define S2N_CBIT_BIT(bit)           (1 << ((bit) % 8)) 
#define S2N_CBIT_BIN(mask, bit)     (mask)[(bit) >> 3] 
#define S2N_CBIT_SET(mask, bit)     ((void)(S2N_CBIT_BIN(mask, bit) |= S2N_CBIT_BIT(bit))) 
#define S2N_CBIT_CLR(mask, bit)     ((void)(S2N_CBIT_BIN(mask, bit) &= ~S2N_CBIT_BIT(bit))) 
#define S2N_CBIT_TEST(mask, bit)    ((S2N_CBIT_BIN(mask, bit) & S2N_CBIT_BIT(bit)) != 0)