syscall: mingw implemntation of Errstr()

R=golang-dev, rsc
CC=golang-dev
http://codereview.appspot.com/621041

Committer: Russ Cox <rsc@golang.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/src/pkg/syscall/syscall_unix.go b/src/pkg/syscall/syscall_unix.go
new file mode 100644
index 000000000..a32c275d5
--- /dev/null
+++ b/src/pkg/syscall/syscall_unix.go
@@ -0,0 +1,12 @@
+// 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 syscall
+
+func Errstr(errno int) string {
+	if errno < 0 || errno >= int(len(errors)) {
+		return "error " + str(errno)
+	}
+	return errors[errno]
+}