nuttx-apps/netutils/netlib/netlib_saddrconv.c
Alin Jerpelea 5572819bb1 netutils: nxstyle fixes
fixes for errors reported by nxstyle tool

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-06-11 08:53:57 -05:00

95 lines
2.6 KiB
C

/****************************************************************************
* apps/netutils/netlib/netlib_saddrconv.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include <nuttx/net/sixlowpan.h>
#include "netutils/netlib.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: netlib_saddrconv
****************************************************************************/
bool netlib_saddrconv(FAR const char *hwstr, FAR uint8_t *hw)
{
unsigned char tmp;
unsigned char i;
unsigned char j;
char ch;
/* Extended Address Form: xx:xx */
if (strlen(hwstr) != 5)
{
return false;
}
tmp = 0;
for (i = 0; i < 2; ++i)
{
j = 0;
do
{
ch = *hwstr++;
if (++j > 3)
{
return false;
}
if (ch == ':' || ch == '\0')
{
*hw++ = tmp;
tmp = 0;
}
else if (ch >= '0' && ch <= '9')
{
tmp = (tmp << 4) + (ch - '0');
}
else if (ch >= 'a' && ch <= 'f')
{
tmp = (tmp << 4) + (ch - 'a' + 10);
}
else if (ch >= 'A' && ch <= 'F')
{
tmp = (tmp << 4) + (ch - 'A' + 10);
}
else
{
return false;
}
}
while (ch != ':' && ch != 0);
}
return true;
}