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       1                 :            : /*
       2                 :            :  * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
       3                 :            :  *
       4                 :            :  * Licensed under the Apache License, Version 2.0 (the "License").
       5                 :            :  * You may not use this file except in compliance with the License.
       6                 :            :  * A copy of the License is located at
       7                 :            :  *
       8                 :            :  *  http://aws.amazon.com/apache2.0
       9                 :            :  *
      10                 :            :  * or in the "license" file accompanying this file. This file is distributed
      11                 :            :  * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
      12                 :            :  * express or implied. See the License for the specific language governing
      13                 :            :  * permissions and limitations under the License.
      14                 :            :  */
      15                 :            : #pragma once
      16                 :            : 
      17                 :            : /* bit operations on a char[] mask of arbitrary length */
      18                 :     234931 : #define S2N_CBIT_BIT(bit)        (1 << ((bit) % 8))
      19                 :     234931 : #define S2N_CBIT_BIN(mask, bit)  (mask)[(bit) >> 3]
      20                 :     101192 : #define S2N_CBIT_SET(mask, bit)  ((void) (S2N_CBIT_BIN(mask, bit) |= S2N_CBIT_BIT(bit)))
      21                 :            : #define S2N_CBIT_CLR(mask, bit)  ((void) (S2N_CBIT_BIN(mask, bit) &= ~S2N_CBIT_BIT(bit)))
      22                 :     133739 : #define S2N_CBIT_TEST(mask, bit) ((S2N_CBIT_BIN(mask, bit) & S2N_CBIT_BIT(bit)) != 0)