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* string.c (rb_memhash): zero-filled strings should return

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different values.  [ruby-core:33500]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29991 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2010-12-01 05:36:39 +00:00
parent d264d3cc38
commit 417ea3a3c3
3 changed files with 8 additions and 1 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Wed Dec 1 14:36:36 2010 Nobuyoshi Nakada <nobu@ruby-lang.org>
* string.c (rb_memhash): zero-filled strings should return
different values. [ruby-core:33500]
Wed Dec 1 14:27:49 2010 Ryan Davis <ryand-ruby@zenspider.com> Wed Dec 1 14:27:49 2010 Ryan Davis <ryand-ruby@zenspider.com>
* lib/minitest/*.rb: Imported minitest 2.0.0 r5952. * lib/minitest/*.rb: Imported minitest 2.0.0 r5952.

2
string.c
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@ -2073,7 +2073,7 @@ rb_str_prepend(VALUE str, VALUE str2)
st_index_t st_index_t
rb_memhash(const void *ptr, long len) rb_memhash(const void *ptr, long len)
{ {
return st_hash(ptr, len, rb_hash_start(0)); return st_hash(ptr, len, rb_hash_start((st_index_t)len));
} }
st_index_t st_index_t

2
test/ruby/test_string.rb
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@ -727,6 +727,8 @@ class TestString < Test::Unit::TestCase
def test_hash def test_hash
assert_equal(S("hello").hash, S("hello").hash) assert_equal(S("hello").hash, S("hello").hash)
assert(S("hello").hash != S("helLO").hash) assert(S("hello").hash != S("helLO").hash)
bug4104 = '[ruby-core:33500]'
assert_not_equal(S("a").hash, S("a\0").hash, bug4104)
end end
def test_hash_random def test_hash_random