Bug #11766: sprintf formatting Rationals as floats produces garbage

• Status: Closed
• Assignee: -
• Target version: -
• ruby -v: ruby 2.2.3p173 (2015-08-18 revision 51636) [x86_64-linux]
• Backport: 2.0.0: DONTNEED, 2.1: DONTNEED, 2.2: DONE

[heftig (Jan Steffens)]

Test case:

"%8.1f %8.1f" % [1r, 1r]

Expected:

"     1.0      1.0"

Actual result:

"              \u0000\u0000\u0000"

[heftig (Jan Steffens)]

Another case:

"ABC%8.1fDEF" % [1r]

Expected:

"ABC     1.0DEF"

Actual result:

"ABC     \u0000\u0000\u0000DEF"

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Closed

Applied in changeset r52869.

---

sprintf.c: fix garbage inserted with Rational

• sprintf.c (rb_str_format): fix wrong shifting position in
  Rational conversion when not at the beginning of the result.
  [ruby-core:71806] [Bug #11766]

[nagachika (Tomoyuki Chikanaga)]

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

[nagachika (Tomoyuki Chikanaga)]

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

Backported into ruby_2_2 branch at r52874.