libgo/go/syscall/str.go

   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 package syscall
   6
   7 func itoa(val int) string { // do it here rather than with fmt to avoid dependency
   8         if val < 0 {
   9                 return "-" + uitoa(uint(-val))
  10         }
  11         return uitoa(uint(val))
  12 }
  13
  14 func uitoa(val uint) string {
  15         var buf [32]byte // big enough for int64
  16         i := len(buf) - 1
  17         for val >= 10 {
  18                 buf[i] = byte(val%10 + '0')
  19                 i--
  20                 val /= 10
  21         }
  22         buf[i] = byte(val + '0')
  23         return string(buf[i:])
  24 }