十六进制打印数据

#include <stdio.h>
#include <string.h>

void Print_hex_data(const char *pComment, const char *pBuff, int buf_size)
{
#define _LINE_BYTES_    16
    int line_index = 0;
    int byte_index = 0;
    int total_line = (buf_size + _LINE_BYTES_ - 1) / _LINE_BYTES_;
    int line_bytes = 0;

    if(pComment != NULL)
    {
        printf("%s\n", pComment);
    }
    printf("#############################################(total size:%d)\n", buf_size);

    /**/
    for(line_index = 0; line_index < total_line; line_index ++)
    {
        printf("%p:", &pBuff[line_index * _LINE_BYTES_]);
        line_bytes = buf_size - (line_index * _LINE_BYTES_);
        if(line_bytes > _LINE_BYTES_)
        {
            line_bytes = _LINE_BYTES_;
        }

        /**/
        for(byte_index = 0; byte_index < line_bytes; byte_index ++)
        {
            printf("%02x ", pBuff[line_index * _LINE_BYTES_ + byte_index]);
        }
        for(; byte_index < _LINE_BYTES_; byte_index ++)
        {
            printf("   ");
        }

        /**/
        printf("    ;");
        for(byte_index = 0; byte_index < line_bytes; byte_index ++)
        {
            if((pBuff[line_index * _LINE_BYTES_ + byte_index] >= 32) &&
                    (pBuff[line_index * _LINE_BYTES_ + byte_index] <= 126))
            {
                printf("%c", pBuff[line_index * _LINE_BYTES_ + byte_index]);
            }
            else
            {
                printf(".");
            }
        }
        printf("\n");
    }
    printf("#############################################\n");
}

int main(int argc, char **argv)
{
    char buf[500] = "adsahdsafdsfdsgfdhgfjhgjhgjghjhgjfghvcbcvbcbcbdfd";

    Print_hex_data("send", buf, strlen(buf));
    return 0;
}

运行结果：