github.com/Andyfoo/golang/x/sys@v0.0.0-20190901054642-57c1bf301704/unix/str.go (about)

     1  // Copyright 2009 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
     6  
     7  package unix
     8  
     9  func itoa(val int) string { // do it here rather than with fmt to avoid dependency
    10  	if val < 0 {
    11  		return "-" + uitoa(uint(-val))
    12  	}
    13  	return uitoa(uint(val))
    14  }
    15  
    16  func uitoa(val uint) string {
    17  	var buf [32]byte // big enough for int64
    18  	i := len(buf) - 1
    19  	for val >= 10 {
    20  		buf[i] = byte(val%10 + '0')
    21  		i--
    22  		val /= 10
    23  	}
    24  	buf[i] = byte(val + '0')
    25  	return string(buf[i:])
    26  }