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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2013-04-03 07:34:31 +0000
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2013-04-03 07:34:31 +0000
commitb30a6b8d1d194528a2c84b7e2c73d23a4d25cc42 (patch)
tree4948fe9199a75722ec2c37a7dac823e1996db1d1 /ext/-test-/bignum/bigzero.c
parent8ab35353a75a7ee9e908ff32e68327e77ad85af2 (diff)
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.c16
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 0000000..5181d71
--- /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);
+}