addr2line.c (kprintf): added from FreeBSD libstand's printf. this is consided as async signal safe function.
addr2line.c (rb_dump_backtrace_with_lines): use kfprintf. [Bug #8144] [ruby-core:53632]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39887 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
addr2line.c (kprintf): added from FreeBSD libstand's printf.
this is consided as async signal safe function.
addr2line.c (rb_dump_backtrace_with_lines): use kfprintf.
[Bug #8144] [ruby-core:53632]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39887 b2dd03c8-39d4-4d8f-98ff-823fe69b080e