diff options
Diffstat (limited to 'libgo/go/strconv/itoa.go')
-rw-r--r-- | libgo/go/strconv/itoa.go | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/libgo/go/strconv/itoa.go b/libgo/go/strconv/itoa.go new file mode 100644 index 000000000..a0a749664 --- /dev/null +++ b/libgo/go/strconv/itoa.go @@ -0,0 +1,57 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package strconv + +// Uitob64 returns the string representation of i in the given base. +func Uitob64(u uint64, base uint) string { + if base < 2 || 36 < base { + panic("invalid base " + Uitoa(base)) + } + if u == 0 { + return "0" + } + + // Assemble decimal in reverse order. + var buf [64]byte + j := len(buf) + b := uint64(base) + for u > 0 { + j-- + buf[j] = "0123456789abcdefghijklmnopqrstuvwxyz"[u%b] + u /= b + } + + return string(buf[j:]) +} + +// Itob64 returns the string representation of i in the given base. +func Itob64(i int64, base uint) string { + if i == 0 { + return "0" + } + + if i < 0 { + return "-" + Uitob64(-uint64(i), base) + } + return Uitob64(uint64(i), base) +} + +// Itoa64 returns the decimal string representation of i. +func Itoa64(i int64) string { return Itob64(i, 10) } + +// Uitoa64 returns the decimal string representation of i. +func Uitoa64(i uint64) string { return Uitob64(i, 10) } + +// Uitob returns the string representation of i in the given base. +func Uitob(i uint, base uint) string { return Uitob64(uint64(i), base) } + +// Itob returns the string representation of i in the given base. +func Itob(i int, base uint) string { return Itob64(int64(i), base) } + +// Itoa returns the decimal string representation of i. +func Itoa(i int) string { return Itob64(int64(i), 10) } + +// Uitoa returns the decimal string representation of i. +func Uitoa(i uint) string { return Uitob64(uint64(i), 10) } |