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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-04-03 07:34:31 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-04-03 07:34:31 +0000 |
commit | b30a6b8d1d194528a2c84b7e2c73d23a4d25cc42 (patch) | |
tree | 4948fe9199a75722ec2c37a7dac823e1996db1d1 /ext/-test-/bignum/bigzero.c | |
parent | 8ab35353a75a7ee9e908ff32e68327e77ad85af2 (diff) | |
download | ruby-b30a6b8d1d194528a2c84b7e2c73d23a4d25cc42.tar.gz |
bignum.c: Bignum zero comparison
* bignum.c (rb_big_eq): test as Fixnum if possible and get rid of zero
length Bignum. [ruby-core:53893] [Bug #8204]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40076 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/-test-/bignum/bigzero.c')
-rw-r--r-- | ext/-test-/bignum/bigzero.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/ext/-test-/bignum/bigzero.c b/ext/-test-/bignum/bigzero.c new file mode 100644 index 0000000000..5181d71aab --- /dev/null +++ b/ext/-test-/bignum/bigzero.c @@ -0,0 +1,16 @@ +#include "ruby.h" + +static VALUE +bug_big_zero(VALUE self, VALUE length) +{ + long len = NUM2ULONG(length); + VALUE z = rb_big_new(len, 1); + MEMZERO(RBIGNUM_DIGITS(z), BDIGIT, len); + return z; +} + +void +Init_bigzero(VALUE klass) +{ + rb_define_singleton_method(klass, "zero", bug_big_zero, 1); +} |