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merge revision(s) 15645:15647:

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* bignum.c (big2str_find_n1): check integer overflow.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@17198 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
shyouhei 2008-06-15 10:55:07 +00:00
parent 4d7f100976
commit 11b262e44c
4 changed files with 16 additions and 1 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Sun Jun 15 19:54:21 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
* bignum.c (big2str_find_n1): check integer overflow.
Sun Jun 15 19:52:20 2008 Tanaka Akira <akr@fsij.org>
* gc.c (STACK_LENGTH) [SPARC] : 0x80 offset removed. [ruby-dev:33857]

3
bignum.c
View file

@ -652,6 +652,9 @@ rb_big2str0(x, base, trim)
if (BIGZEROP(x)) {
return rb_str_new2("0");
}
if (i >= LONG_MAX/SIZEOF_BDIGITS/CHAR_BIT) {
rb_raise(rb_eRangeError, "bignum too big to convert into `string'");
}
j = SIZEOF_BDIGITS*CHAR_BIT*i;
switch (base) {
case 2: break;

8
test/ruby/test_bignum.rb
View file

@ -84,4 +84,12 @@ class TestBignum < Test::Unit::TestCase
shift_test(-4518325415524767873)
shift_test(-0xfffffffffffffffff)
end
def test_too_big_to_s
if (big = 2**31-1).is_a?(Fixnum)
return
end
e = assert_raise(RangeError) {(1 << big).to_s}
assert_match(/too big to convert/, e.message)
end
end

2
version.h
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@ -2,7 +2,7 @@
#define RUBY_RELEASE_DATE "2008-06-15"
#define RUBY_VERSION_CODE 186
#define RUBY_RELEASE_CODE 20080615
#define RUBY_PATCHLEVEL 183
#define RUBY_PATCHLEVEL 184
#define RUBY_VERSION_MAJOR 1
#define RUBY_VERSION_MINOR 8