# puts$B$G(BSEGV **URL:** \ **Category:** Development\ **Created:** [March 15, 2008, 4:44am UTC](https://www.ruby-forum.com/t/puts-b-g-bsegv/132006 "2008-03-15T04:44:11Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![unknown](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/4bbf92/32.png) [@unknown](https://www.ruby-forum.com/u/unknown)\ **Post date:** [March 15, 2008, 4:44am UTC](https://www.ruby-forum.com/t/puts-b-g-bsegv/132006/1 "2008-03-15T04:44:11Z")
e$B$k$S$-$A$G$9!#e(B $stdoute$B$KJL$N%\*%V%8%’%/%H$r;XDj$7$?\>l9g!"e(Bputse$B$Ge(BSEGVe$B$j$^$9!#e(B Ruby 1.9.0e$B$G$OBg\>fIW$G$9!#e(B class Logger def write(obj) STDOUT.print Time.now.strftime("%Y/%m/%d %H:%M:%S:"), obj end end $stdout = Logger.new print 1,2 puts 1,2 (gdb) bt #0 0x080d5208 in st\_lookup (table=0x4, key=1000, value=0xbf4090c4) at st.c:282 #1 0x08059820 in search\_method (klass=3083118216, id=1000, klassp=0x0) at eval\_method.c:219 #2 0x0805985d in rb\_get\_method\_body (klass=3083118216, id=1000, idp=0xbf409144) at eval\_method.c:246 #3 0x0805d119 in rb\_call0 (klass=3083118216, recv=3083006680, mid=1000, argc=1, argv=0xbf4091c0, scope=3, self=3082638840) at eval.c:1383 #4 0x0805d364 in rb\_call (klass=3083118216, recv=3083006680, mid=1000, argc=1, argv=0xbf4091c0, scope=3) at eval.c:1449 #5 0x0805d5af in rb\_funcall (recv=3083006680, mid=1000, n=1) at eval.c:1541 #6 0x0812d889 in rb\_exc\_new (etype=3083006680, ptr=0xbf409264 “method `, recv=3082638840, len=0, argc=2, argv=0xb7c37024) at vm\_insnhelper.c:273 #16 0x08101112 in vm\_call0 (th=0x819c990, klass=3083036220, recv=3082638840, id=6712, oid=0, argc=2, argv=0xb7c37024, body=0xb7c24090, nosuper=0) at vm.c:457 #17 0x0805d315 in rb\_call0 (klass=3083036220, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3, self=3082638840) at eval.c:1435 #18 0x0805d364 in rb\_call (klass=3082638980, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3) at eval.c:1449 #19 0x0805d5f0 in rb\_funcall2 (recv=3082638840, mid=6712, argc=2, argv=0xb7c37024) at eval.c:1548 #20 0x08071970 in rb\_f\_puts (argc=2, argv=0xb7c37024) at io.c:4567 #21 0x08101600 in call\_cfunc (func=0x807192a \, recv=3082638840, len=-1, argc=2, argv=0xb7c37024) at vm\_insnhelper.c:282 #22 0x08101112 in vm\_call0 (th=0x819c990, klass=3083036220, recv=3082638840, —Type to continue, or q to quit— id=6712, oid=0, argc=2, argv=0xb7c37024, body=0xb7c24090, nosuper=0) at vm.c:457 #23 0x0805d315 in rb\_call0 (klass=3083036220, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3, self=3082638840) at eval.c:1435 #24 0x0805d364 in rb\_call (klass=3082638980, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3) at eval.c:1449 #25 0x0805d5f0 in rb\_funcall2 (recv=3082638840, mid=6712, argc=2, argv=0xb7c37024) at eval.c:1548 #26 0x08071970 in rb\_f\_puts (argc=2, argv=0xb7c37024) at io.c:4567 #27 0x08101600 in call\_cfunc (func=0x807192a \, recv=3082638840, len=-1, argc=2, argv=0xb7c37024) at vm\_insnhelper.c:282 #28 0x08101112 in vm\_call0 (th=0x819c990, klass=3083036220, recv=3082638840, id=6712, oid=0, argc=2, argv=0xb7c37024, body=0xb7c24090, nosuper=0) at vm.c:457 #29 0x0805d315 in rb\_call0 (klass=3083036220, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3, self=3082638840) at eval.c:1435 #30 0x0805d364 in rb\_call (klass=3082638980, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3) at eval.c:1449 #31 0x0805d5f0 in rb\_funcall2 (recv=3082638840, mid=6712, argc=2, argv=0xb7c37024) at eval.c:1548 #32 0x08071970 in rb\_f\_puts (argc=2, argv=0xb7c37024) at io.c:4567 #33 0x08101600 in call\_cfunc (func=0x807192a \, recv=3082638840, len=-1, argc=2, argv=0xb7c37024) at vm\_insnhelper.c:282 #34 0x08101112 in vm\_call0 (th=0x819c990, klass=3083036220, recv=3082638840, id=6712, oid=0, argc=2, argv=0xb7c37024, body=0xb7c24090, nosuper=0) at vm.c:457 #35 0x0805d315 in rb\_call0 (klass=3083036220, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3, self=3082638840) at eval.c:1435 #36 0x0805d364 in rb\_call (klass=3082638980, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3) at eval.c:1449 #37 0x0805d5f0 in rb\_funcall2 (recv=3082638840, mid=6712, argc=2, argv=0xb7c37024) at eval.c:1548 #38 0x08071970 in rb\_f\_puts (argc=2, argv=0xb7c37024) at io.c:4567 #39 0x08101600 in call\_cfunc (func=0x807192a \, recv=3082638840, len=-1, argc=2, argv=0xb7c37024) at vm\_insnhelper.c:282 #40 0x08101112 in vm\_call0 (th=0x819c990, klass=3083036220, recv=3082638840, id=6712, oid=0, argc=2, argv=0xb7c37024, body=0xb7c24090, nosuper=0) at vm.c:457 #41 0x0805d315 in rb\_call0 (klass=3083036220, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3, self=3082638840) at eval.c:1435 #42 0x0805d364 in rb\_call (klass=3082638980, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3) at eval.c:1449 #43 0x0805d5f0 in rb\_funcall2 (recv=3082638840, mid=6712, argc=2, argv=0xb7c37024) at eval.c:1548 #44 0x08071970 in rb\_f\_puts (argc=2, argv=0xb7c37024) at io.c:4567 #45 0x08101600 in call\_cfunc (func=0x807192a \, recv=3082638840, len=-1, argc=2, argv=0xb7c37024) at vm\_insnhelper.c:282 —Type to continue, or q to quit— #46 0x08101112 in vm\_call0 (th=0x819c990, klass=3083036220, recv=3082638840, id=6712, oid=0, argc=2, argv=0xb7c37024, body=0xb7c24090, nosuper=0) at vm.c:457 #47 0x0805d315 in rb\_call0 (klass=3083036220, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3, self=3082638840) at eval.c:1435 #48 0x0805d364 in rb\_call (klass=3082638980, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3) at eval.c:1449 #49 0x0805d5f0 in rb\_funcall2 (recv=3082638840, mid=6712, argc=2, argv=0xb7c37024) at eval.c:1548 #50 0x08071970 in rb\_f\_puts (argc=2, argv=0xb7c37024) at io.c:4567 #51 0x08101600 in call\_cfunc (func=0x807192a \, recv=3082638840, len=-1, argc=2, argv=0xb7c37024) at vm\_insnhelper.c:282 #52 0x08101112 in vm\_call0 (th=0x819c990, klass=3083036220, recv=3082638840, id=6712, oid=0, argc=2, argv=0xb7c37024, body=0xb7c24090, nosuper=0) at vm.c:457 #53 0x0805d315 in rb\_call0 (klass=3083036220, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3, self=3082638840) at eval.c:1435 #54 0x0805d364 in rb\_call (klass=3082638980, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3) at eval.c:1449 #55 0x0805d5f0 in rb\_funcall2 (recv=3082638840, mid=6712, argc=2, argv=0xb7c37024) at eval.c:1548 #56 0x08071970 in rb\_f\_puts (argc=2, argv=0xb7c37024) at io.c:4567 #57 0x08101600 in call\_cfunc (func=0x807192a \, recv=3082638840, len=-1, argc=2, argv=0xb7c37024) at vm\_insnhelper.c:282 #58 0x08101112 in vm\_call0 (th=0x819c990, klass=3083036220, recv=3082638840, id=6712, oid=0, argc=2, argv=0xb7c37024, body=0xb7c24090, nosuper=0) at vm.c:457 #59 0x0805d315 in rb\_call0 (klass=3083036220, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3, self=3082638840) at eval.c:1435 #60 0x0805d364 in rb\_call (klass=3082638980, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3) at eval.c:1449 #61 0x0805d5f0 in rb\_funcall2 (recv=3082638840, mid=6712, argc=2, argv=0xb7c37024) at eval.c:1548 #62 0x08071970 in rb\_f\_puts (argc=2, argv=0xb7c37024) at io.c:4567 #63 0x08101600 in call\_cfunc (func=0x807192a \, recv=3082638840, len=-1, argc=2, argv=0xb7c37024) at vm\_insnhelper.c:282 #64 0x08101112 in vm\_call0 (th=0x819c990, klass=3083036220, recv=3082638840, id=6712, oid=0, argc=2, argv=0xb7c37024, body=0xb7c24090, nosuper=0) at vm.c:457 #65 0x0805d315 in rb\_call0 (klass=3083036220, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3, self=3082638840) at eval.c:1435 #66 0x0805d364 in rb\_call (klass=3082638980, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3) at eval.c:1449 #67 0x0805d5f0 in rb\_funcall2 (recv=3082638840, mid=6712, argc=2, argv=0xb7c37024) at eval.c:1548 #68 0x08071970 in rb\_f\_puts (argc=2, argv=0xb7c37024) at io.c:4567 #69 0x08101600 in call\_cfunc (func=0x807192a \, recv=3082638840, len=-1, —Type to continue, or q to quit— argc=2, argv=0xb7c37024) at vm\_insnhelper.c:282 #70 0x08101112 in vm\_call0 (th=0x819c990, klass=3083036220, recv=3082638840, id=6712, oid=0, argc=2, argv=0xb7c37024, body=0xb7c24090, nosuper=0) at vm.c:457 #71 0x0805d315 in rb\_call0 (klass=3083036220, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3, self=3082638840) at eval.c:1435 #72 0x0805d364 in rb\_call (klass=3082638980, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3) at eval.c:1449 #73 0x0805d5f0 in rb\_funcall2 (recv=3082638840, mid=6712, argc=2, argv=0xb7c37024) at eval.c:1548 #74 0x08071970 in rb\_f\_puts (argc=2, argv=0xb7c37024) at io.c:4567 #75 0x08101600 in call\_cfunc (func=0x807192a \, recv=3082638840, len=-1, argc=2, argv=0xb7c37024) at vm\_insnhelper.c:282 #76 0x08101112 in vm\_call0 (th=0x819c990, klass=3083036220, recv=3082638840, id=6712, oid=0, argc=2, argv=0xb7c37024, body=0xb7c24090, nosuper=0) at vm.c:457 #77 0x0805d315 in rb\_call0 (klass=3083036220, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3, self=3082638840) at eval.c:1435 #78 0x0805d364 in rb\_call (klass=3082638980, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3) at eval.c:1449 #79 0x0805d5f0 in rb\_funcall2 (recv=3082638840, mid=6712, argc=2, argv=0xb7c37024) at eval.c:1548 #80 0x08071970 in rb\_f\_puts (argc=2, argv=0xb7c37024) at io.c:4567 #81 0x08101600 in call\_cfunc (func=0x807192a \, recv=3082638840, len=-1, argc=2, argv=0xb7c37024) at vm\_insnhelper.c:282 #82 0x08101112 in vm\_call0 (th=0x819c990, klass=3083036220, recv=3082638840, id=6712, oid=0, argc=2, argv=0xb7c37024, body=0xb7c24090, nosuper=0) at vm.c:457 #83 0x0805d315 in rb\_call0 (klass=3083036220, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3, self=3082638840) at eval.c:1435 #84 0x0805d364 in rb\_call (klass=3082638980, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3) at eval.c:1449 #85 0x0805d5f0 in rb\_funcall2 (recv=3082638840, mid=6712, argc=2, argv=0xb7c37024) at eval.c:1548 #86 0x08071970 in rb\_f\_puts (argc=2, argv=0xb7c37024) at io.c:4567 #87 0x08101600 in call\_cfunc (func=0x807192a \, recv=3082638840, len=-1, argc=2, argv=0xb7c37024) at vm\_insnhelper.c:282 #88 0x08101112 in vm\_call0 (th=0x819c990, klass=3083036220, recv=3082638840, id=6712, oid=0, argc=2, argv=0xb7c37024, body=0xb7c24090, nosuper=0) at vm.c:457 #89 0x0805d315 in rb\_call0 (klass=3083036220, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3, self=3082638840) at eval.c:1435 #90 0x0805d364 in rb\_call (klass=3082638980, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3) at eval.c:1449 #91 0x0805d5f0 in rb\_funcall2 (recv=3082638840, mid=6712, argc=2, argv=0xb7c37024) at eval.c:1548 #92 0x08071970 in rb\_f\_puts (argc=2, argv=0xb7c37024) at io.c:4567 —Type to continue, or q to quit— #93 0x08101600 in call\_cfunc (func=0x807192a \, recv=3082638840, len=-1, argc=2, argv=0xb7c37024) at vm\_insnhelper.c:282 #94 0x08101112 in vm\_call0 (th=0x819c990, klass=3083036220, recv=3082638840, id=6712, oid=0, argc=2, argv=0xb7c37024, body=0xb7c24090, nosuper=0) at vm.c:457 #95 0x0805d315 in rb\_call0 (klass=3083036220, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3, self=3082638840) at eval.c:1435 #96 0x0805d364 in rb\_call (klass=3082638980, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3) at eval.c:1449 #97 0x0805d5f0 in rb\_funcall2 (recv=3082638840, mid=6712, argc=2, argv=0xb7c37024) at eval.c:1548 #98 0x08071970 in rb\_f\_puts (argc=2, argv=0xb7c37024) at io.c:4567 #99 0x08101600 in call\_cfunc (func=0x807192a \, recv=3082638840, len=-1, argc=2, argv=0xb7c37024) at vm\_insnhelper.c:282 #100 0x08101112 in vm\_call0 (th=0x819c990, klass=3083036220, recv=3082638840, id=6712, oid=0, argc=2, argv=0xb7c37024, body=0xb7c24090, nosuper=0) at vm.c:457 #101 0x0805d315 in rb\_call0 (klass=3083036220, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3, self=3082638840) at eval.c:1435 #102 0x0805d364 in rb\_call (klass=3082638980, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3) at eval.c:1449 #103 0x0805d5f0 in rb\_funcall2 (recv=3082638840, mid=6712, argc=2, argv=0xb7c37024) at eval.c:1548 #104 0x08071970 in rb\_f\_puts (argc=2, argv=0xb7c37024) at io.c:4567 #105 0x08101600 in call\_cfunc (func=0x807192a \, recv=3082638840, len=-1, argc=2, argv=0xb7c37024) at vm\_insnhelper.c:282 #106 0x08101112 in vm\_call0 (th=0x819c990, klass=3083036220, recv=3082638840, id=6712, oid=0, argc=2, argv=0xb7c37024, body=0xb7c24090, nosuper=0) at vm.c:457 #107 0x0805d315 in rb\_call0 (klass=3083036220, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3, self=3082638840) at eval.c:1435 #108 0x0805d364 in rb\_call (klass=3082638980, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3) at eval.c:1449 #109 0x0805d5f0 in rb\_funcall2 (recv=3082638840, mid=6712, argc=2, argv=0xb7c37024) at eval.c:1548 #110 0x08071970 in rb\_f\_puts (argc=2, argv=0xb7c37024) at io.c:4567 #111 0x08101600 in call\_cfunc (func=0x807192a \, recv=3082638840, len=-1, argc=2, argv=0xb7c37024) at vm\_insnhelper.c:282 #112 0x08101112 in vm\_call0 (th=0x819c990, klass=3083036220, recv=3082638840, id=6712, oid=0, argc=2, argv=0xb7c37024, body=0xb7c24090, nosuper=0) at vm.c:457 #113 0x0805d315 in rb\_call0 (klass=3083036220, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3, self=3082638840) at eval.c:1435 #114 0x0805d364 in rb\_call (klass=3082638980, recv=3082638840, mid=6712, argc=2, argv=0xb7c37024, scope=3) at eval.c:1449 #115 0x0805d5f0 in rb\_funcall2 (recv=3082638840, mid=6712, argc=2, argv=0xb7c37024) at eval.c:1548 ---
**Author:** ![unknown](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/4bbf92/32.png) [@unknown](https://www.ruby-forum.com/u/unknown)\ **Post date:** [March 15, 2008, 7:19am UTC](https://www.ruby-forum.com/t/puts-b-g-bsegv/132006/2 "2008-03-15T07:19:27Z")
e$B$J$+$@$G$9!#e(B At Sat, 15 Mar 2008 12:43:25 +0900, removed\_email\_address@domain.invalid wrote in [ruby-dev:34059]: > $stdoute$B$KJL$N%\*%V%8%’%/%H$r;XDj$7$?\>l9g!"e(Bputse$B$Ge(BSEGVe$B$j$^$9!#e(B > Ruby 1.9.0e$B$G$OBg\>fIW$G$9!#e(B e$B%9%?%C%/%\*!\<%P!\<%U%m!\<$7$F$^$9$M!#860x$O!“e(Br15564e$B$Ge(BKernel#putse$B$,e(B $stdout.putse$B$r8F$V$h$&$K$J$C$?$N$G$9$,!”$3$Ne(BLoggere$B$Oe(Bputse$B%a%=%C%Ie(B e$B$r;}$C$F$$$J$$$N$Ge(BKernel#putse$B$,$^$?8F$P$l$k$3$H$K$J$k$?$a$G$9!#e(B > class Logger > def write(obj) > STDOUT.print Time.now.strftime("%Y/%m/%d %H:%M:%S:"), obj > end > end > $stdout = Logger.new e$BBP1~$H$7$F$OFs$D$[$I;W$$IU$-$^$9$,!"$I$&$7$^$7$g$&$+!#e(B 1. r15564e$B$re(Breverte$B$9$k!#e(B 2. $stdoute$B$N;EMM$rJQ$($F!"e(Bwritee$B$@$1$G$J$/e(Bputs,putce$B$bDj5AI,?$K$9e(B e$B$k!#e(BKernel#putse$B$r8F$s$G$7$^$&$N$rKI$0$?$a$K!"e(Brb\_f\_putce$B$He(B rb\_f\_putse$B$G$Oe(Brb\_funcall2e$B$G$O$J$/e(Brb\_funcall3e$B$r;H$&$h$&$K$9$k!#e(B ---
**Author:** ![unknown](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/4bbf92/32.png) [@unknown](https://www.ruby-forum.com/u/unknown)\ **Post date:** [March 15, 2008, 7:41am UTC](https://www.ruby-forum.com/t/puts-b-g-bsegv/132006/3 "2008-03-15T07:41:44Z")
e$B$J$+$@$G$9!#e(B At Sat, 15 Mar 2008 15:18:33 +0900, Nobuyoshi N. wrote in [ruby-dev:34061]: > > def write(obj) > > e$B$k!#e(BKernel#putse$B$r8F$s$G$7$^$&$N$rKI$0$?$a$K!"e(Brb\_f\_putce$B$He(B > > rb\_f\_putse$B$G$Oe(Brb\_funcall2e$B$G$O$J$/e(Brb\_funcall3e$B$r;H$&$h$&$K$9$k!#e(B e$B$b$&0l$D;W$$IU$-$^$7$?!#e(B 1. selfe$B$,e(B$stdoute$B$J$ie(BIO#putc,IO#putse$B$rD\>@\8F$V!"e(B$stdoute$B0J30$J$ie(B $stdoute$B$N%a%=%C%I$r8F$V!#e(B # Index: io.c — io.c (revision 15780) +++ io.c (working copy) @@ -4486,4 +4486,7 @@ static VALUE rb\_f\_putc(VALUE recv, VALUE ch) { - if (recv == rb\_stdout) { - return rb\_io\_putc(recv, ch); - } return rb\_funcall2(rb\_stdout, rb\_intern(“putc”), 1, &ch); } @@ -4563,6 +4566,9 @@ rb\_io\_puts(int argc, VALUE \*argv, VALUE static VALUE -rb\_f\_puts(int argc, VALUE \*argv) +rb\_f\_puts(int argc, VALUE \*argv, VALUE recv) { - if (recv == rb\_stdout) { - return rb\_io\_puts(argc, argv, recv); - } return rb\_funcall2(rb\_stdout, rb\_intern(“puts”), argc, argv); }