5572819bb1
fixes for errors reported by nxstyle tool Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
95 lines
2.7 KiB
C
95 lines
2.7 KiB
C
/****************************************************************************
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* apps/netutils/netlib/netlib_eaddrconv.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 <stdint.h>
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#include <stdbool.h>
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#include <string.h>
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#include <nuttx/net/sixlowpan.h>
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#include "netutils/netlib.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: netlib_eaddrconv
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****************************************************************************/
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bool netlib_eaddrconv(FAR const char *hwstr, FAR uint8_t *hw)
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{
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unsigned char tmp;
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unsigned char i;
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unsigned char j;
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char ch;
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/* Extended Address Form: xx:xx:xx:xx:xx:xx:xx:xx */
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if (strlen(hwstr) != 3 * 8 - 1)
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{
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return false;
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}
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tmp = 0;
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for (i = 0; i < 8; ++i)
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{
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j = 0;
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do
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{
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ch = *hwstr++;
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if (++j > 3)
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{
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return false;
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}
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if (ch == ':' || ch == '\0')
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{
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*hw++ = tmp;
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tmp = 0;
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}
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else if (ch >= '0' && ch <= '9')
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{
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tmp = (tmp << 4) + (ch - '0');
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}
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else if (ch >= 'a' && ch <= 'f')
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{
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tmp = (tmp << 4) + (ch - 'a' + 10);
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}
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else if (ch >= 'A' && ch <= 'F')
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{
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tmp = (tmp << 4) + (ch - 'A' + 10);
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}
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else
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{
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return false;
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}
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}
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while (ch != ':' && ch != 0);
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}
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return true;
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}
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