1 files changed, 49 insertions, 0 deletions
diff --git a/src/pkg/strconv/itoa.go b/src/pkg/strconv/itoa.go
new file mode 100644
index 000000000..7f693ea8c
--- /dev/null
+++ b/src/pkg/strconv/itoa.go
@@ -0,0 +1,49 @@
+// 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
+
+// Itob64 returns the string representation of i in the given base.
+func Itob64(i int64, base uint) string {
+	if i == 0 {
+		return "0"
+	}
+
+	u := uint64(i);
+	if i < 0 {
+		u = -u;
+	}
+
+	// Assemble decimal in reverse order.
+	var buf [32]byte;
+	j := len(buf);
+	b := uint64(base);
+	for u > 0 {
+		j--;
+		buf[j] = "0123456789abcdefghijklmnopqrstuvwxyz"[u%b];
+		u /= b;
+	}
+
+	if i < 0 {	// add sign
+		j--;
+		buf[j] = '-'
+	}
+
+	return string(buf[j:len(buf)])
+}
+
+// Itoa64 returns the decimal string representation of i.
+func Itoa64(i int64) string {
+	return Itob64(i, 10);
+}
+
+// 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);
+}