code review 4607052: os.Error API: don't export os.ErrorString, use os.NewEr...

src/cmd/gofix/testdata/reflect.print.go.out

 // 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 fmt
 
 import (
         "bytes"
         "io"
         "os"
@@ skipping 167 matching lines @@
         p := newPrinter()
         p.doPrintf(format, a)
         s := p.buf.String()
         p.free()
         return s
 }
 
 // Errorf formats according to a format specifier and returns the string·
 // converted to an os.ErrorString, which satisfies the os.Error interface.
 func Errorf(format string, a ...interface{}) os.Error {
-        return os.ErrorString(Sprintf(format, a...))
+        return os.NewError(Sprintf(format, a...))
 }
 
 // These routines do not take a format string
 
 // Fprint formats using the default formats for its operands and writes to w.
 // Spaces are added between operands when neither is a string.
 // It returns the number of bytes written and any write error encountered.
 func Fprint(w io.Writer, a ...interface{}) (n int, error os.Error) {
         p := newPrinter()
         p.doPrint(a, false, false)
@@ skipping 737 matching lines @@
                         if addspace || !isString && !prevString {
                                 p.buf.WriteByte(' ')
                         }
                 }
                 prevString = p.printField(field, 'v', false, false, 0)
         }
         if addnewline {
                 p.buf.WriteByte('\n')
         }
 }