# \[Bug #2972\] Windows $B$G$N(B gets(nil)

**URL:** <https://www.ruby-forum.com/t/bug-2972-windows-b-g-n-b-gets-nil/185213>\
**Category:** Development\
**Created:** [March 16, 2010, 7:58am UTC](https://www.ruby-forum.com/t/bug-2972-windows-b-g-n-b-gets-nil/185213 "2010-03-16T07:58:53Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Takaya\_KUBOTA](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/e8c25b/32.png) [@Takaya\_KUBOTA](https://www.ruby-forum.com/u/Takaya_KUBOTA)\
**Post date:** [March 16, 2010, 7:58am UTC](https://www.ruby-forum.com/t/bug-2972-windows-b-g-n-b-gets-nil/185213/1 "2010-03-16T07:58:53Z")

</div>

Bug #2972: Windows e$B$G$Ne(B gets(nil)  
[http://redmine.ruby-lang.org/issues/show/2972](http://redmine.ruby-lang.org/issues/show/2972)

e$B5/I\<\<Te(B: Takaya KUBOTA  
e$B%9%F!\<%?%9e(B: Open, e$BM%@hEYe(B: Normal  
ruby -v: ruby 1.8.7 (2010-01-10 patchlevel 249) [i386-mingw32]

e$B5WJ]ED$H?=$7$^$9!#e(B

mingw e$BHGe(B 1.8.7 e$B$Ge(B gets(nil)  
e$B$NF0:n$KIT6q9g$,$"$k$h$&$J$N$Ge(B  
e$B$4Js9p$5$;$F$$$?$@$-$^$9!#e(B  
(cygwin e$BHG$G$OH/@8$7$^$;$se(B)

e$BFI$\_9~$^$l$k%P%$%H?t$,IT0BDj$J$N$H!"e(B  
e$BF@$i$l$?J8;zNs$bESCf$+$iF~NO$N%U%!%$%k$H0[$J$C$F$$$^$9!#e(B

$ wc -c a.aes-128-ecb  
557088 a.aes-128-ecb

$ od -j 352 -t x1z a.aes-128-ecb | head  
0000540 a9 22 c5 6c b2 f5 e3 0a 92 ca 4e e5 72 a2 b5 b6

> .".l…N.r…\<  
> 0000560 e8 dd 15 ab 5e 8b bc 5b 93 5e c6 43 ab e1 18 a9  
> …^…[.^.C…\<  
> 0000600 fa 54 58 e4 97 46 11 72 d9 30 53 48 07 b3 75 d3  
> .TX…F.r.0SH…u.\<  
> 0000620 0b f0 5a 20 1a b4 2f 7d 42 08 e5 4f 73 57 83 65 \>…Z  
> …/}B…OsW.e\<  
> 0000640 28 c2 62 7e fb 0b 34 ff a5 62 3a 40 a8 46 28 21  
> (.b~…4…b:@.F(!\<  
> 0000660 d6 4a fd 84 39 57 3b f5 0b 21 26 6a a2 36 d3 6b  
> .J…9W;…!&j.6.k\<  
> 0000700 70 b3 c2 63 f6 3e 3d 8b c2 59 96 f6 f2 5c 07 6d  
> p…c.\>=…Y….m\<  
> 0000720 13 87 9c 43 68 63 09 87 9a 81 18 f3 e2 25 f0 b4  
> …Chc…%…\<  
> 0000740 91 66 20 de f5 b4 c7 e3 3d 8d 5d 6a a5 86 51 eb \>.f  
> …=.]j…Q.\<  
> 0000760 07 62 bb fd 52 d1 80 d1 1c 0f 36 7e d1 75 71 1c  
> .b…R…6~.uq.\<

$ ~/make/ruby-1.8.7-p249-mingw/ruby.exe -e ‘p gets(nil).size’  
a.aes-128-ecb  
9706

$ ruby -e ‘p gets(nil).size’ a.aes-128-ecb (e$B$3$A$i$Oe(B cygwin  
e$BHG$G$9e(B)  
557088

* * *

## s = gets(nil) 0.step(s.length, 16) do |i| p s[i, 16].unpack(“H\*”) end

e$B\>e5-$N$h$&$J%9%/%j%W%H$G!"e(Bmingw e$BHG$He(B cygwin e$BHG$Ge(B diff  
e$B$r\<h$k$H!"e(B

\*\*\* mingw32.txt 2010-03-16 15:42:19.888875000 +0900  
— cygwin.txt 2010-03-16 15:40:22.357625000 +0900

* * *

\*\*\* 23,466 \*\*\*\*  
[“a922c56cb2f5e30a92ca4ee572a2b5b6”]  
[“e8dd15ab5e8bbc5b935ec643abe118a9”]  
[“fa5458e497461172d930534807b375d3”]  
! [“0bf05a20cb49805ff0d5f3cd3bb15cc4”]  
! [“73e9bde65892c2f2a642beccbe916869”]  
! [“fb810aaa96be7a3b08e0aec907b27164”]

## e$B$H$J$j$^$9e(B(0xcb e$B$+$i0[$J$ke(B)e$B!#e(B e$BG0$N$?$a!"\>e5-$N%9%/%j%W%H$G;HMQ$7$?e(B a.aes-128-ecb e$B$rE:IU$$$?$7$^$9!#e(B

e$B5WJ]ED5.Lie(B