nuttx/drivers/wireless/ieee80211/bcm43xxx/bcmf_utils.c
Xiang Xiao 6f6fce95a2 Replace all sprintf with snprintf
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2023-05-08 09:57:01 +02:00

81 lines
2.8 KiB
C

/****************************************************************************
* drivers/wireless/ieee80211/bcm43xxx/bcmf_utils.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 <string.h>
#include <time.h>
#include <debug.h>
#include <stdio.h>
#include "bcmf_utils.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define LINE_LEN 16
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: bcmf_hexdump
****************************************************************************/
void bcmf_hexdump(FAR uint8_t *data, unsigned int len, unsigned long offset)
{
unsigned int i;
unsigned int char_count = 0;
char char_line[20];
char hex_line[64];
for (i = 0; i < len; i++)
{
if (char_count >= LINE_LEN)
{
/* Flush line */
wlinfo("%08lx: %s%s\n",
offset + i - char_count, hex_line, char_line);
char_count = 0;
}
snprintf(hex_line + 3 * char_count, sizeof(hex_line) - 3 * char_count,
"%02x ", data[i]);
snprintf(char_line + char_count, sizeof(char_line) - char_count,
"%c", data[i] < 0x20 || data[i] >= 0x7f? '.' : data[i]);
char_count++;
}
if (char_count > 0)
{
/* Flush last line */
memset(hex_line + 3 * char_count, ' ', 3 * (LINE_LEN - char_count));
hex_line[3 * LINE_LEN] = 0;
wlinfo("%08lx: %s%s\n", offset + i - char_count, hex_line, char_line);
}
}