* internal.h (MUL_OVERFLOW_INT_P): New macro.

* sprintf.c (GETNUM): Don't overflow on signed integer multiplication.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40209 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2013-04-10

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40210 b2dd03c8-39d4-4d8f-98ff-823fe69b080e