package gfile

import (
	"fmt"
	"gbase/glog"
	"io"
	"os"
)

func CopyFile(src, dst string) (err error) {
	f1, err := os.Open(src)
	if err != nil {
		glog.XWarning(fmt.Sprintf("Open %v error : %v\n", src, err))
		return
	}
	defer f1.Close()

	f2, err := os.Create(dst)
	if err != nil {
		glog.XWarning(fmt.Sprintf("Create %v error : %v\n", dst, err))
		return
	}
	defer f2.Close()
	_, err = io.Copy(f2, f1)
	if err != nil {
		glog.XWarning(fmt.Sprintf("Copy %v error : %v\n", dst, err))
		return
	}
	srcInfo, err := f1.Stat()
	if err != nil {
		glog.XWarning(fmt.Sprintf("Stat %v error : %v\n", src, err))
		return
	}
	os.Chmod(dst, srcInfo.Mode())
	return nil
}