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[Bug #18958] format string must be ASCII compatible

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This commit is contained in:
Nobuyoshi Nakada 2022-08-19 23:53:33 +09:00
parent 43e8d9a050
commit 1a2f99275b
Notes: git 2022-08-20 10:07:00 +09:00 
Merged: https://github.com/ruby/ruby/pull/6260
2 changed files with 11 additions and 0 deletions
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1
sprintf.c
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@ -250,6 +250,7 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt)
--argv;
StringValue(fmt);
enc = rb_enc_get(fmt);
rb_must_asciicompat(fmt);
orig = fmt;
fmt = rb_str_tmp_frozen_acquire(fmt);
p = RSTRING_PTR(fmt);

10
test/ruby/test_m17n.rb
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@ -898,6 +898,16 @@ class TestM17N < Test::Unit::TestCase
def test_sprintf_p
Encoding.list.each do |e|
unless e.ascii_compatible?
format = e.dummy? ? "%p".force_encoding(e) : "%p".encode(e)
assert_raise(Encoding::CompatibilityError) do
sprintf(format, nil)
end
assert_raise(Encoding::CompatibilityError) do
format % nil
end
next
end
format = "%p".force_encoding(e)
['', 'a', "\xC2\xA1", "\x00"].each do |s|
s.force_encoding(e)