Beispiel #1
0
func touch(filename string, nacc, nmod int64) (errcnt int) {
	var st syscall.Stat_t
	var ut syscall.Utimbuf

	if e := syscall.Stat(filename, &st); e != 0 {
		if e == syscall.ENOENT {

			if *cflag {
				errcnt++
				return
			}

			var fd int
			defer syscall.Close(fd)

			if fd, e = syscall.Creat(filename, 0666); e != 0 {
				fmt.Fprintf(os.Stderr, "touch: can not create %s\n", filename)
				errcnt += 1
				return
			}

			if e = syscall.Fstat(fd, &st); e != 0 {
				fmt.Fprintf(os.Stderr, "touch: can't stat %s\n", filename)
				errcnt += 1
				return
			}
		} else {
			fmt.Fprintf(os.Stderr, "touch: can't stat %s\n", filename)
			errcnt += 1
			return
		}
	}

	if *aflag {
		ut.Actime = nacc
	} else {
		ut.Actime = st.Atim.Sec
	}

	if *mflag {
		ut.Modtime = nmod
	} else {
		ut.Modtime = st.Mtim.Sec
	}

	if nulltime {
		if e := syscall.Utime(filename, nil); e != 0 {
			fmt.Fprintf(os.Stderr, "touch: unable to touch %s", filename)
			errcnt += 1
		}
	} else {
		if e := syscall.Utime(filename, &ut); e != 0 {
			fmt.Fprintf(os.Stderr, "touch: unable to touch %s", filename)
			errcnt += 1
		}
	}

	return
}
Beispiel #2
0
func main() {
	flag.Parse()

	if flag.NArg() < 1 {
		usage()
	}

	for i := 0; i < flag.NArg(); i++ {
		var name = flag.Arg(i)
		var tb syscall.Utimbuf
		tb.Actime = (int32)(*newTime)
		tb.Modtime = (int32)(*newTime)
		var e = syscall.Utime(name, &tb)

		if (e != 0) && *create {
			fmt.Fprintf(
				os.Stderr,
				"touch: cannot touch `%s'\n",
				name)
			os.Exit(1)
		}

		f, err := os.Open(name, os.O_CREAT, 0666)
		if err != nil {
			fmt.Fprintf(
				os.Stderr,
				"touch: cannot touch `%s': %s\n",
				name,
				err.String())
			os.Exit(1)
		}
		f.Close()

		e = syscall.Utime(name, &tb)
		if e != 0 {
			fmt.Fprintf(
				os.Stderr,
				"touch: cannot touch `%s'\n",
				name)
			os.Exit(1)
		}
	}

	os.Exit(0)
}