# \[Bug #3490\]\[Assigned\] test\_pack\_utf8 failure on mswin64

**URL:** <https://www.ruby-forum.com/t/bug-3490-assigned-test-pack-utf8-failure-on-mswin64/190783>\
**Category:** Development\
**Created:** [June 27, 2010, 10:16pm UTC](https://www.ruby-forum.com/t/bug-3490-assigned-test-pack-utf8-failure-on-mswin64/190783 "2010-06-27T22:16:06Z")\
**Posts on this page:** 7\
**Page:** 1

<div class="post-metadata">

**Author:** ![Yusuke\_E](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/f08c70/32.png) [@Yusuke\_E](https://www.ruby-forum.com/u/Yusuke_E)\
**Post date:** [June 27, 2010, 10:16pm UTC](https://www.ruby-forum.com/t/bug-3490-assigned-test-pack-utf8-failure-on-mswin64/190783/1 "2010-06-27T22:16:06Z")

</div>

e$B%A%1%C%He(B #3490 e$B$,99?7$5$l$^$7$?!#e(B (by Yusuke E.)

e$B%9%F!\<%?%9e(B Opene$B$+$ie(BAssignede$B$KJQ99e(B  
e$BC4Ev\<Te(B Usaku NAKAMURAe$B$K%;%C%He(B  
e$BM%@hEYe(B Normale$B$+$ie(BLowe$B$KJQ99e(B

e$B1sF#$G$9!#e(B

e$B\<uM}$5$l$k$Y$-$G$J$$CM$,\<uM}$5$l$k$N$G%P%0$G$9$,!"\<uM}$5$l$k$Y$-e(B  
e$BCM$,\<uM}$5$l$J$$$o$1$G$O$J$$$N$G!"CWL?E\*$G$O$J$$$HH=CG$7M%@hEY$re(B  
Low e$B$K$7$^$9!#e(B  
e$B8D?ME\*$K$Oe(B 1.9.2 e$B$G$Oe(B WONTFIX  
e$B$,K\>$^$7$$$H;W$$$^$9$,!"e(Busa e$B$5$s$Ne(B  
e$B0U8+$O$I$&$G$7$g$&$+!#e(B

SIGNED\_VALUE rb\_big2long(VALUE x)

e$B$"$?$j$,!"e(Bsizeof(VALUE) == sizeof(long)  
e$B$r4|BT$7$F$$$k5$$,$9$ke(B  
e$B$N$G!"0J2\<$N$h$&$J%Q%C%A$GD\>$k$s$8$c$J$$$+$H;W$$$^$7$?!#e(B  
e$B$?$@!"D\>$C$?$H$7$F$b$3$N%Q%C%A$K$OB\>$N4D6-$G$N1F6A$,I]$$$N$H!“e(B  
e$BB\>$K$bD\>$9$Y$-\>l=j$,$”$j$=$&e(B (rb\_big2ulong e$B$H$+e(B)  
e$B$J$N$G!"8!F$$,e(B  
e$BI,MW$@$H;W$$$^$9!#e(B

diff --git a/bignum.c b/bignum.c  
index 24f1340…cd2fbcb 100644  
— a/bignum.c  
+++ b/bignum.c  
@@ -1189,11 +1189,11 @@ rb\_big2long(VALUE x)  
{  
VALUE num = big2ulong(x, “long”, TRUE);

- if ((SIGNED\_VALUE)num \< 0 &&
- (RBIGNUM\_SIGN(x) || (SIGNED\_VALUE)num != LONG\_MIN)) {

- if ((long)num \< 0 &&
- (RBIGNUM\_SIGN(x) || (long)num != LONG\_MIN)) {  
rb\_raise(rb\_eRangeError, “bignum too big to convert into `long’”);  
}

- if (!RBIGNUM\_SIGN(x)) return -(SIGNED\_VALUE)num;

- if (!RBIGNUM\_SIGN(x)) return (VALUE)(-(long)num);  
return num;  
}

## – Yusuke E. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)

[http://redmine.ruby-lang.org/issues/show/3490](http://redmine.ruby-lang.org/issues/show/3490)

---

<div class="post-metadata">

**Author:** ![Yusuke\_E](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/f08c70/32.png) [@Yusuke\_E](https://www.ruby-forum.com/u/Yusuke_E)\
**Post date:** [June 28, 2010, 2:52am UTC](https://www.ruby-forum.com/t/bug-3490-assigned-test-pack-utf8-failure-on-mswin64/190783/2 "2010-06-28T02:52:56Z")

</div>

e$B$3$s$K$A$O!"$J$+$`$ie(B(e$B$&e(B)e$B$G$9!#e(B

In message “[ruby-dev:41752] [Bug #3490][Assigned] test\_pack\_utf8  
failure on mswin64”  
on Jun.28,2010 05:15:28, [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> e$B\<uM}$5$l$k$Y$-$G$J$$CM$,\<uM}$5$l$k$N$G%P%0$G$9$,!"\<uM}$5$l$k$Y$-e(B  
> e$BCM$,\<uM}$5$l$J$$$o$1$G$O$J$$$N$G!"CWL?E\*$G$O$J$$$HH=CG$7M%@hEY$re(B  
> Low e$B$K$7$^$9!#e(B  
> e$B8D?ME\*$K$Oe(B 1.9.2 e$B$G$Oe(B WONTFIX e$B$,K\>$^$7$$$H;W$$$^$9$,!"e(Busa e$B$5$s$Ne(B  
> e$B0U8+$O$I$&$G$7$g$&$+!#e(B

e$B:#$N%?%$%\_%s%0$@$HI]$9$.$k$N$G!";d$be(B1.9.2e$B$O$$$8$i$J$$J}$,$$$$e(B  
e$B$h$&$J5$$,$7$^$9!#e(B

> SIGNED\_VALUE rb\_big2long(VALUE x)
> 
> e$B$"$?$j$,!"e(Bsizeof(VALUE) == sizeof(long) e$B$r4|BT$7$F$$$k5$$,$9$ke(B  
> e$B$N$G!"0J2\<$N$h$&$J%Q%C%A$GD\>$k$s$8$c$J$$$+$H;W$$$^$7$?!#e(B

e$B$(!\<$H!“e(Bnum != LONG\_MINe$B$,$”$k$&$A$O%@%a$8$c$J$$$G$9$+$M!#e(B  
e$B$H$$$&$o$1$GKvHx$N%Q%C%A$N$h$&$J46$8$8$c$J$$$H$$$1$J$$$s$8$ce(B  
e$B$J$$$+$H;W$$$^$9e(B(e$BL$3NG’e(B)e$B!#e(B

> e$B$?$@!"D\>$C$?$H$7$F$b$3$N%Q%C%A$K$OB\>$N4D6-$G$N1F6A$,I]$$$N$H!“e(B  
> e$BB\>$K$bD\>$9$Y$-\>l=j$,$”$j$=$&e(B (rb\_big2ulong e$B$H$+e(B) e$B$J$N$G!"8!F$$,e(B  
> e$BI,MW$@$H;W$$$^$9!#e(B

e$BF10U$7$^$9!#e(B  
r10511e$B$GJQ99$5$l$?$H$3$m$OMW%A%'%C%/$+$J$"!#e(B

# Index: bignum.c

— bignum.c (revision 28430)  
+++ bignum.c (working copy)  
@@ -1189,8 +1189,9 @@ rb\_big2long(VALUE x)  
{  
VALUE num = big2ulong(x, “long”, TRUE);

- if ((SIGNED\_VALUE)num \< 0 &&
- (RBIGNUM\_SIGN(x) || (SIGNED\_VALUE)num != LONG\_MIN)) {

- if (((SIGNED\_VALUE)num \> 0 && num \> (SIGNED\_VALUE)LONG\_MAX) ||
- ((SIGNED\_VALUE)num \< 0 &&
- (RBIGNUM\_SIGN(x) || (SIGNED\_VALUE)num \< (SIGNED\_VALUE)LONG\_MIN))) {  
rb\_raise(rb\_eRangeError, “bignum too big to convert into `long’”);  
}  
if (!RBIGNUM\_SIGN(x)) return -(SIGNED\_VALUE)num;

e$B$=$l$G$O!#e(B

---

<div class="post-metadata">

**Author:** ![Yusuke\_E](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/f08c70/32.png) [@Yusuke\_E](https://www.ruby-forum.com/u/Yusuke_E)\
**Post date:** [June 28, 2010, 7:57am UTC](https://www.ruby-forum.com/t/bug-3490-assigned-test-pack-utf8-failure-on-mswin64/190783/3 "2010-06-28T07:57:19Z")

</div>

e$B$3$s$K$A$Oe(B

> - if (((SIGNED\_VALUE)num \> 0 && num \> (SIGNED\_VALUE)LONG\_MAX) ||

e$B$J$+$`$i$5$s$N%Q%C%A$G%F%9%HDL$j$^$7$?!#e(B

---

<div class="post-metadata">

**Author:** ![Yusuke\_E](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/f08c70/32.png) [@Yusuke\_E](https://www.ruby-forum.com/u/Yusuke_E)\
**Post date:** [June 28, 2010, 4:59pm UTC](https://www.ruby-forum.com/t/bug-3490-assigned-test-pack-utf8-failure-on-mswin64/190783/4 "2010-06-28T16:59:01Z")

</div>

e$B$3$s$P$s$oe(B

> e$B$&$5$5$s$N%Q%C%A$@$H!"e(Bsizeof(VALUE) == sizeof(long) e$B$N4D6-$Ge(B  
> e$B0J2\<$,DL$k$h$&$K$J$C$F$7$^$$$^$9!#e(B
> 
> $ ./miniruby -e ‘p [-0xffffffff].pack(“U”)’  
> “\u0001”

e$B$\*$C$H!#\<:Ni$7$^$7$?!#e(B  
e$B$($s$I$&$5$s$N%Q%C%A$G$b%F%9%HDL$k$3$H$r3NG’$7$^$7$?!#e(B  
e$B$3$A$i$b!#e(B  
build\>miniruby -e ‘p [-0xffffffff].pack(“U”)’  
-e:1:in `pack': bignum too big to convert into`long’ (RangeError)  
from -e:1:in `

kowamoto

---

<div class="post-metadata">

**Author:** ![Yusuke\_E](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/f08c70/32.png) [@Yusuke\_E](https://www.ruby-forum.com/u/Yusuke_E)\
**Post date:** [June 28, 2010, 2:54pm UTC](https://www.ruby-forum.com/t/bug-3490-assigned-test-pack-utf8-failure-on-mswin64/190783/5 "2010-06-28T14:54:51Z")

</div>

e$B1sF#$G$9!#e(B

2010e$BG/e(B6e$B7ne(B28e$BF|e(B9:52 U.Nakamura [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> > SIGNED\_VALUE rb\_big2long(VALUE x)
> > 
> > e$B$"$?$j$,!"e(Bsizeof(VALUE) == sizeof(long) e$B$r4|BT$7$F$$$k5$$,$9$ke(B  
> > e$B$N$G!"0J2\<$N$h$&$J%Q%C%A$GD\>$k$s$8$c$J$$$+$H;W$$$^$7$?!#e(B
> 
> e$B$(!\<$H!“e(Bnum != LONG\_MINe$B$,$”$k$&$A$O%@%a$8$c$J$$$G$9$+$M!#e(B  
> e$B$H$$$&$o$1$GKvHx$N%Q%C%A$N$h$&$J46$8$8$c$J$$$H$$$1$J$$$s$8$ce(B  
> e$B$J$$$+$H;W$$$^$9e(B(e$BL$3NG’e(B)e$B!#e(B

e$B$&$5$5$s$N%Q%C%A$@$H!"e(Bsizeof(VALUE) == sizeof(long) e$B$N4D6-$Ge(B  
e$B0J2\<$,DL$k$h$&$K$J$C$F$7$^$$$^$9!#e(B

$ ./miniruby -e ‘p [-0xffffffff].pack(“U”)’  
“\u0001”

sizeof(VALUE) == sizeof(long) e$B$@$He(B

(SIGNED\_VALUE)num \< (SIGNED\_VALUE)LONG\_MIN

e$B$O\>o$K56$G$9!#ITEy9f$N8~$-$,5U!)$=$l$H$be(B != e$B$N$^$^$K$9$Y$-!)e(B

e$B$&!\<$s!#$d$C$Q$j$3$&$$$&$H$3$m$O%(%s%P%0$7$d$9$$$G$9$M!#e(B  
trunk e$B$@$1$GD\>$9$3$H$K$7$^$7$g$&!#e(B

---

<div class="post-metadata">

**Author:** ![Yusuke\_E](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/f08c70/32.png) [@Yusuke\_E](https://www.ruby-forum.com/u/Yusuke_E)\
**Post date:** [June 29, 2010, 2:03am UTC](https://www.ruby-forum.com/t/bug-3490-assigned-test-pack-utf8-failure-on-mswin64/190783/6 "2010-06-29T02:03:34Z")

</div>

e$B$3$s$K$A$O!"$J$+$`$ie(B(e$B$&e(B)e$B$G$9!#e(B

In message “[ruby-dev:41757] Re: [Bug #3490][Assigned] test\_pack\_utf8  
failure on mswin64”  
on Jun.28,2010 21:54:31, [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> sizeof(VALUE) == sizeof(long) e$B$@$He(B
> 
> (SIGNED\_VALUE)num \< (SIGNED\_VALUE)LONG\_MIN
> 
> e$B$O\>o$K56$G$9!#ITEy9f$N8~$-$,5U!)$=$l$H$be(B != e$B$N$^$^$K$9$Y$-!)e(B

e$B$“$”!"$d$C$Q$j4V0c$($?e(B…

> e$B$&!\<$s!#$d$C$Q$j$3$&$$$&$H$3$m$O%(%s%P%0$7$d$9$$$G$9$M!#e(B  
> trunk e$B$@$1$GD\>$9$3$H$K$7$^$7$g$&!#e(B

e$B$($(!"$A$c$s$H9M$($F%(%C%8%1!\<%9$N%F%9%H$H$+$be(B(e$B2DG=$J$ie(B)e$BMQ0Ue(B  
e$B$7$F?J$a$J$$$H$$$+$s$H;W$$$^$9!#e(B

e$B$=$l$G$O!#e(B

---

<div class="post-metadata">

**Author:** ![Yusuke\_E](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/f08c70/32.png) [@Yusuke\_E](https://www.ruby-forum.com/u/Yusuke_E)\
**Post date:** [July 2, 2010, 3:06am UTC](https://www.ruby-forum.com/t/bug-3490-assigned-test-pack-utf8-failure-on-mswin64/190783/7 "2010-07-02T03:06:57Z")

</div>

e$B@.@%$G$9!#e(B

2010e$BG/e(B6e$B7ne(B29e$BF|e(B9:02 U.Nakamura [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> e$B$“$”!"$d$C$Q$j4V0c$($?e(B…
> 
> > e$B$&!\<$s!#$d$C$Q$j$3$&$$$&$H$3$m$O%(%s%P%0$7$d$9$$$G$9$M!#e(B  
> > trunk e$B$@$1$GD\>$9$3$H$K$7$^$7$g$&!#e(B
> 
> e$B$($(!"$A$c$s$H9M$($F%(%C%8%1!\<%9$N%F%9%H$H$+$be(B(e$B2DG=$J$ie(B)e$BMQ0Ue(B  
> e$B$7$F?J$a$J$$$H$$$+$s$H;W$$$^$9!#e(B
> 
> e$B$=$l$G$O!#e(B

1.9.2 e$B$G$be(B NUM2LONG\_internal e$B$r;H$&$J$j$7$F!"e(B  
workaround e$B$OF~$l$F$\*$$$F$b$$$$$s$8$c$J$$$+$J$!$H$O;W$$$^$9!#e(B

# MLe$BO"7H$N$?$a$N%F%9%H%a!\<%k$J$N$G7Z$$%N%j$G$9$,e(B