static int
snprint_multipath_vpr (char * buff, size_t len, struct multipath * mpp)
{
struct path * pp = first_path(mpp);
if (!pp)
return 0;
return snprintf(buff, len, "%s,%s",
pp->vendor_id, pp->product_id);
}
/************************************rename*****************************************
调用move，只要from_path和to_path只有文件名不一样时，就可以将from_path中的文件名改为to_path中的文件名
*/
void kp_api::rename(string path,string new_name)
{
string first_path(path);
int i = path.rfind("/");
if(i==-1)
path = new_name;
else
{
int len = path.length() - i;
//cout<<i<<"**"<<len<<endl;
path.replace(i+1,len,new_name);
}
//cout<<path<<endl;
kp_api::move(first_path,path);
}
