d6b50a1d3f
nxstyle fixes to pass the CI checks Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
47 lines
2.0 KiB
C
47 lines
2.0 KiB
C
/****************************************************************************
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* libs/libc/endian/lib_swap64.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/compiler.h>
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#include <stdint.h>
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#include <endian.h>
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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#ifdef CONFIG_HAVE_LONG_LONG
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uint64_t __swap_uint64(uint64_t n)
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{
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return (uint64_t)(((((uint64_t)(n)) & 0x00000000000000ffull) << 56) |
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((((uint64_t)(n)) & 0x000000000000ff00ull) << 40) |
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((((uint64_t)(n)) & 0x0000000000ff0000ull) << 24) |
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((((uint64_t)(n)) & 0x00000000ff000000ull) << 8) |
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((((uint64_t)(n)) & 0x000000ff00000000ull) >> 8) |
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((((uint64_t)(n)) & 0x0000ff0000000000ull) >> 24) |
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((((uint64_t)(n)) & 0x00ff000000000000ull) >> 40) |
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((((uint64_t)(n)) & 0xff00000000000000ull) >> 56));
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}
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#endif
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