Bug #10732: rdoc:ファイル中に単独の\rがあるとrdocがハングアップする

• Status: Closed
• Assignee: -
• Target version: -
• ruby -v: ruby 2.2.0p0 (2014-12-25 revision 49005) [x86_64-darwin14]
• Backport: 2.0.0: DONE, 2.1: DONE, 2.2: DONE

[vmi (Motonori IWAMURO)]

以下で再現できます。

echo -e '\ra\t' > dummy.txt
rdoc dummy.txt

原因は、rdoc/text.rbのexpand_tabsで、each_line が上記のダミーデータを1行扱いするのに、gsub!の正規表現にマッチせず、until line !~ /\t/ が無限ループになるためです。
(libyajl2 のインストールでri/rdocの処理が終わらないのはこれが原因)

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Closed
• % Done changed from 0 to 100

Applied in changeset r49223.

---

rdoc/text.rb: fix infinite loop

• lib/rdoc/text.rb (expand_tabs): get rid of infinite loop with
  CR. should check if substitution occurred too.
  [ruby-dev:48813] [Bug #10732]

[usa (Usaku NAKAMURA)]

• Backport changed from 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN to 2.0.0: REQUIRED, 2.1: REQUIRED, 2.2: REQUIRED

[naruse (Yui NARUSE)]

• Backport changed from 2.0.0: REQUIRED, 2.1: REQUIRED, 2.2: REQUIRED to 2.0.0: REQUIRED, 2.1: REQUIRED, 2.2: DONE

ruby_2_2 r49327 merged revision(s) 49223.

[usa (Usaku NAKAMURA)]

• Backport changed from 2.0.0: REQUIRED, 2.1: REQUIRED, 2.2: DONE to 2.0.0: DONE, 2.1: REQUIRED, 2.2: DONE

ruby_2_0_0 r49445 merged revision(s) 49223.

[nagachika (Tomoyuki Chikanaga)]

• Backport changed from 2.0.0: DONE, 2.1: REQUIRED, 2.2: DONE to 2.0.0: DONE, 2.1: DONE, 2.2: DONE

Backported into ruby_2_1 at r49629.