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      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 plan9
      6 
      7 // Simple conversions to avoid depending on strconv.
      8 
      9 package poll
     10 
     11 // Convert integer to decimal string
     12 func itoa(val int) string {
     13 	if val < 0 {
     14 		return "-" + uitoa(uint(-val))
     15 	}
     16 	return uitoa(uint(val))
     17 }
     18 
     19 // Convert unsigned integer to decimal string
     20 func uitoa(val uint) string {
     21 	if val == 0 { // avoid string allocation
     22 		return "0"
     23 	}
     24 	var buf [20]byte // big enough for 64bit value base 10
     25 	i := len(buf) - 1
     26 	for val >= 10 {
     27 		q := val / 10
     28 		buf[i] = byte('0' + val - q*10)
     29 		i--
     30 		val = q
     31 	}
     32 	// val < 10
     33 	buf[i] = byte('0' + val)
     34 	return string(buf[i:])
     35 }
     36 
     37 // stringsHasSuffix is strings.HasSuffix. It reports whether s ends in
     38 // suffix.
     39 func stringsHasSuffix(s, suffix string) bool {
     40 	return len(s) >= len(suffix) && s[len(s)-len(suffix):] == suffix
     41 }
     42