54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/****************************************************************************
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* libs/libc/net/lib_htonl.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/config.h>
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#include <stdint.h>
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#include <arpa/inet.h>
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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uint32_t htonl(uint32_t hl)
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{
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#ifdef CONFIG_ENDIAN_BIG
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return hl;
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#else
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return (((hl) >> 24) |
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(((hl) >> 8) & 0x0000ff00) |
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(((hl) << 8) & 0x00ff0000) |
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((hl) << 24));
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#endif
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}
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uint32_t ntohl(uint32_t nl)
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{
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#ifdef CONFIG_ENDIAN_BIG
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return nl;
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#else
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return htonl(nl);
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#endif
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}
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