github.com/tcnksm/go@v0.0.0-20141208075154-439b32936367/src/syscall/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  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  }