Bug #1453: dl in ruby-1.9 must check whether block is given to
TempFunction
http://redmine.ruby-lang.org/issues/show/1453
e$B5/I<<Te(B: Takashi T.
e$B%9%F!<%?%9e(B: Open, e$BM%@hEYe(B: Normal
e$B%+%F%4%je(B: ext, Target version: 1.9.2
ruby -v: ruby 1.9.2dev (2009-05-02 trunk 23326) [i686-linux]
e$B0J2<$N$h$&$K%V%m%C%/IU$-$G8F$V$Y$-$H$3$m$G8F$P$J$$$HMn$A$^$9!#e(B
$ cat d7.rb
require ‘dl/import’
require ‘dl/import’
module M
extend DL::Importer
dlload “libc.so.6”
QsortCallbackWithoutBlock = bind(“void qsort_callback(void,
void*)”, :temp)
extern ‘void qsort(void *, int, int, void *)’
end
buff = “3465721”
M.qsort(buff, buff.size, 1, M::QsortCallbackWithoutBlock) # <=
e$B$3$3$O%V%m%C%/$D$-$G8F$P$J$$$H$$$1$J$$!#e(B
$ ruby-1.9 d7.rb
/usr/local/pkg/ruby-1.9/lib/ruby/1.9.1/dl/func.rb:37: [BUG] Segmentation
fault
ruby 1.9.2dev (2009-05-02 trunk 23326) [i686-linux]
e$B%V%m%C%/$,M?$($i$l$?$+$r%A%'%C%/$9$k%Q%C%A$G$9!#e(B
Index: lib/dl/value.rb
— lib/dl/value.rb (e$B%j%S%8%g%se(B 23328)
+++ lib/dl/value.rb (e$B:n6H%3%T!<e(B)
@@ -63,6 +63,8 @@ module DL
if( block )
arg.bind_at_call(&block)
funcs.push(arg)
-
elsif arg.is_a?(TempFunction) -
raise(RuntimeError, "block must be given.") end return arg.to_i when String