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merge revision(s) 39495: [Backport #7954]

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* string.c (str_byte_substr): don't set coderange if it's not known.
	  [Bug #7954] [ruby-dev:47108]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@39706 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nagachika 2013-03-10 16:05:14 +00:00
parent 300b401c60
commit d2b2159fbd
4 changed files with 31 additions and 3 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Mon Mar 11 01:04:54 2013 NARUSE, Yui <naruse@ruby-lang.org>
* string.c (str_byte_substr): don't set coderange if it's not known.
[Bug #7954] [ruby-dev:47108]
Mon Mar 11 00:58:30 2013 Nobuyoshi Nakada <nobu@ruby-lang.org>
* common.mk (realclean-local): miniprelude.c is made by srcs, so it

23
string.c
View file

@ -4122,10 +4122,29 @@ str_byte_substr(VALUE str, long beg, long len)
}
else {
str2 = rb_str_new5(str, p, len);
rb_enc_cr_str_copy_for_substr(str2, str);
OBJ_INFECT(str2, str);
}
str_enc_copy(str2, str);
if (RSTRING_LEN(str2) == 0) {
if (!rb_enc_asciicompat(STR_ENC_GET(str)))
ENC_CODERANGE_SET(str2, ENC_CODERANGE_VALID);
else
ENC_CODERANGE_SET(str2, ENC_CODERANGE_7BIT);
}
else {
switch (ENC_CODERANGE(str)) {
case ENC_CODERANGE_7BIT:
ENC_CODERANGE_SET(str2, ENC_CODERANGE_7BIT);
break;
default:
ENC_CODERANGE_SET(str2, ENC_CODERANGE_UNKNOWN);
break;
}
}
OBJ_INFECT(str2, str);
return str2;
}

4
test/ruby/test_string.rb
View file

@ -2180,6 +2180,10 @@ class TestString < Test::Unit::TestCase
assert_equal(u("\x81\x82"), "\u3042".byteslice(1..2))
assert_equal(u("\x82")+("\u3042"*9), ("\u3042"*10).byteslice(2, 28))
bug7954 = '[ruby-dev:47108]'
assert_equal(false, "\u3042".byteslice(0, 2).valid_encoding?)
assert_equal(false, ("\u3042"*10).byteslice(0, 20).valid_encoding?)
end
end

2
version.h
View file

@ -1,6 +1,6 @@
#define RUBY_VERSION "2.0.0"
#define RUBY_RELEASE_DATE "2013-03-11"
#define RUBY_PATCHLEVEL 50
#define RUBY_PATCHLEVEL 51
#define RUBY_RELEASE_YEAR 2013
#define RUBY_RELEASE_MONTH 3