package utils

import (
	"gitee.com/anesec/chameleon/pkg/types"
	"syscall"
)

func Uname() (*types.Utsname, error) {
	var utsname syscall.Utsname
	if err := syscall.Uname(&utsname); err != nil {
		return nil, err
	}

	data := make([]byte, 0, 64)
	stringfy := func(buf []int8) string {
		data = data[:0]
		for index := range buf {
			if buf[index] == 0 {
				break
			}

			data = append(data, byte(buf[index]))
		}

		return string(data)
	}

	return &types.Utsname{
		Sysname:  stringfy(utsname.Sysname[:]),
		Nodename: stringfy(utsname.Nodename[:]),
		Release:  stringfy(utsname.Release[:]),
		Version:  stringfy(utsname.Version[:]),
		Machine:  stringfy(utsname.Machine[:]),
	}, nil
}