/* * 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)