把mac地址转换为标准mac地址

把"00:90:8A:1D:30:51"转换成"00-90-8A-1D-30-51",如何格式错误，显示出格式错误的种类，有些不规范的转换成规范的格式，例如，"1234:8F:90-D1:76"，为不规范格式转换成

标准格式。

#include <iostream>
#include <cstdlib>
#include <cstring>
using namespace std;
 
void getStandardMac(char str[],char s[])
{
    int count=0;
    int temp=0;
    int pre=1;
    char c;
    for(int i=0;i<strlen(str);i++) //判断字符数是否为6字节
       {
           if(str[i]>='0'&&str[i]<='9'||str[i]>='A'&&str[i]<='F')
              {
               count++;   
              }
       }
     if(count!=12)
        {
           cout<<"mac is not 6 字节"<<endl;
           exit(0);
        }
      for(int j=0;j<strlen(str);j++)
         {
           if((pre-temp)%2!=0||(pre-temp)==0)         //判断分隔符之间的字符是否为偶数
             {
                temp=pre;
           if(str[j]==':'||str[j]=='-')
              {
                if(j>2&&(j-pre)==1)
                  {
                     cout<<"出现了两个连续字符."<<endl;
                     exit(0);
                  }
                pre=j;
              }
             }
             else
             {
                 cout<<"分隔符之间的字符数不为偶数"<<endl;
                 exit(0);
             }
         }
         temp=0;
       for(int k=0;k<strlen(str);k++)
          {
              
                         
                 if(temp==2||temp==5||temp==8||temp==11||temp==14)
                     {
                        s[temp++]='-';
                        k--;
                     }
                  else if(str[k]>='0'&&str[k]<='9'||str[k]>='A'&&str[k]<='F')
                     {
                     s[temp++]=str[k];
                     }
                   else
                       continue;  
                    
          }
        s[temp]='\0';
}
int main()
{
   char str[256];
   char s[256];
   cin>>str;
   cout<<"原mac地址为:"<<str<<endl;
   getStandardMac(str,s);
   cout<<"mac标准地址为:"<<endl;
   cout<<s<<endl;
   return 0;
}