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* bignum.c (get2comp): do nothing for empty Bignum. [ruby-dev:31225]

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12796 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2007-07-15 12:07:46 +00:00
parent b64881077e
commit 65055630ac
2 changed files with 6 additions and 1 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Sun Jul 15 21:07:43 2007 Nobuyoshi Nakada <nobu@ruby-lang.org>
* bignum.c (get2comp): do nothing for empty Bignum. [ruby-dev:31225]
Sun Jul 15 19:05:28 2007 Nobuyoshi Nakada <nobu@ruby-lang.org>
* bignum.c (rb_cstr_to_inum): check leading non-digits.

3
bignum.c
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@ -97,7 +97,7 @@ bigtrunc(VALUE x)
long len = RBIGNUM(x)->len;
BDIGIT *ds = BDIGITS(x);
while (len-- && !ds[len]);
while (--len && !ds[len]);
RBIGNUM(x)->len = ++len;
return x;
}
@ -1038,6 +1038,7 @@ rb_big_neg(VALUE x)
if (!RBIGNUM(x)->sign) get2comp(z);
ds = BDIGITS(z);
i = RBIGNUM(x)->len;
if (!i) return INT2FIX(~(SIGNED_VALUE)0);
while (i--) {
ds[i] = ~ds[i];
}