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merge revision(s) 63322: [Backport #14731]

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object.c: fix exponent with underscore

	* object.c (rb_cstr_to_dbl_raise): do not ignore exponent part
	  when the input string longer than internal buffer contains
	  underscore(s).  [ruby-core:86836] [Bug #14731]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@66879 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nagachika 2019-01-20 05:13:27 +00:00
parent b5d43b1db5
commit 389c5843ad
3 changed files with 8 additions and 2 deletions
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6
object.c
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@ -3241,7 +3241,8 @@ rb_cstr_to_dbl(const char *p, int badcheck)
if (*end) {
char buf[DBL_DIG * 4 + 10];
char *n = buf;
char *e = buf + sizeof(buf) - 1;
char *const init_e = buf + DBL_DIG * 4;
char *e = init_e;
char prev = 0;
while (p < end && n < e) prev = *n++ = *p++;
@ -3254,6 +3255,9 @@ rb_cstr_to_dbl(const char *p, int badcheck)
}
}
prev = *p++;
if (e == init_e && (*p == 'e' || *p == 'E')) {
e = buf + sizeof(buf) - 1;
}
if (n < e) *n++ = prev;
}
*n = '\0';

2
test/ruby/test_float.rb
View file

@ -163,6 +163,8 @@ class TestFloat < Test::Unit::TestCase
assert_equal(-31.0*2**-1027, Float("-0x1f"+("0"*268)+".0p-2099"))
assert_equal(-31.0*2**-1027, Float("-0x1f"+("0"*600)+".0p-3427"))
end
assert_equal(1.0e10, Float("1.0_"+"00000"*Float::DIG+"e10"))
end
def test_divmod

2
version.h
View file

@ -1,6 +1,6 @@
#define RUBY_VERSION "2.5.4"
#define RUBY_RELEASE_DATE "2019-01-20"
#define RUBY_PATCHLEVEL 134
#define RUBY_PATCHLEVEL 135
#define RUBY_RELEASE_YEAR 2019
#define RUBY_RELEASE_MONTH 1