StringIO#putc is unnaware of encoding

Ruby Development
1

Issue #9765 has been updated by Usaku NAKAMURA.

Backport changed from 2.0.0: REQUIRED, 2.1: REQUIRED to 2.0.0: DONE,
2.1: REQUIRED

backported into ruby_2_0_0 at r46197.

Bug #9765: StringIO#putc is unnaware of encoding

  • Author: Nobuyoshi N.
  • Status: Closed
  • Priority: Normal
  • Assignee: Nobuyoshi N.
  • Category: ext
  • Target version: current: 2.2.0
  • ruby -v: r45637
  • Backport: 2.0.0: DONE, 2.1: REQUIRED

IO#putcはエンコーディングを意識しますが、StringIO#putcがしていません。

IO.pipe{|r,w| w.putc("\u{3042}"); w.putc(0x3044); w.close; p r.read}
# => "あD"

require 'stringio'
sio = StringIO.new(""); sio.putc("\u{3042}"); sio.putc(0x3044); p 
sio.string
# => "\xE3D"