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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libgo/go/strconv/itoa.go
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Diffstat (limited to 'libgo/go/strconv/itoa.go')
-rw-r--r--libgo/go/strconv/itoa.go57
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) }