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Article View: fj.lang.c
Article #4565

bit field on gcc-2.x

#4565
From: Akira Ishikawa
Date: Wed, 08 Jul 1992 17:01
44 lines
2273 bytes
$@@P@n!w(J$@L>8E20Bg3X$H?=$7$^$9(J.

$@3'$5$s$K<ALd$,$"$j$^$9(J.

gcc-2.x $@$N(Jg++ $@$H(J g++-1.39 $@$G0J2<$N$h$&$J%W%m%0%i%`$r%3(J$@%s%Q%$%k$7$h$&(J
$@$H$9$k$H%Q!<%6!<$,%(%i!<$K$7$F$7$^$$$^$9(J.

/* from here */

struct foo{
            unsigned int    stkfmt : 4;
            unsigned int    dummy  : 2;/* not error */
            unsigned int    vector : 10;
};
struct dummy{
            unsigned int    stkfmt : 4; 
            unsigned int    foo	   : 2;/*error at here on g++-2.x*/
            unsigned int    vector : 10;
};
main(){
	int catch;/*error at here on g++-1.39*/
}

/* to here */

gcc-2.x $@$N(J g++ $@$@$H(J foo : 2 $@$N9T$G(J,
g++-1.39 $@$@$H(J int catch $@$N9T$G%(%i!<$K$J$j$^$9(J.
  $@$b$A$m$s(Jgcc-2.x $@$r(Jc$@%3%s%Q%$%i$H$7$F;H$C$?;~$K$O$3$N$h$&$J$3$H(J$@$O5/(J
$@$3$j$^$;$s(J.$@$I$&$b(J, gcc-2.x $@$N(Jg++ $@$G$O(J, $@%S%C%H%U%#!<%k%I$NL>A0$,$=$l(J
$@0JA0$K$"$k9=B$BN$NL>A0$H=E$J(J$@$k$H%(%i!<$,5/$-$k$h$&$G$9(J.(struct foo
$@$N(J dummy : 2 $@$G$O%(%i!<$O5/$-$^$;$s(J. )
  $@$^$?(Jg++-1.39 $@$G$O(J catch$@$H$$$&L>A0$r;H$*$&$H$9$k$H%(%i!<$K$J$C$F$7(J
$@$^$$$^$9(J.

g++ $@$G%W%m%0%i%`$r=q$-$?$$$N$G$9$,(J, $@%7%9%F%`$N(J$@%X%C%@%U%!%$%k$K$3$N$h(J
$@$&$JItJ,$,$"$C$F(J, $@:$$C$F$$$^$9(J. $@$I$&$7$?$i$h$m$7$$$G$7$g$&$+(J.

$@$I$&$>$h$m$7$/$*(J$@4j$$$7$^$9(J.

--
*********************************************************
$@@P@nN<!wL>8E20Bg3X(J $@9)3XIt(J $@EE(J$@5$7O3X2J(J $@0$Ap8&5f<<(J $@#M#1(J
	ishikawa@agusa.nuee.nagoya-u.ac.jp
*********************************************************
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Message-ID: <ISHIKAWA.92Jul9020137@habutae.agusa.nuee.nagoya-u.ac.jp>
Path: arc1-ca.pugleaf.net!sparky!uunet!sun-barr!sh.wide!wnoc-kyo!kuis!kudpc!nuis!tofu!ishikawa

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X-Google-Language: Japanese,JIS
X-Google-Thread: 106434,37f4d9414621d0b3,start
X-Google-Attributes: gid106434,public
X-Google-ArrivalTime: 1992-07-08 06:08:12 PST
Path: arc1-ca.pugleaf.net!sparky!uunet!sun-barr!sh.wide!wnoc-kyo!kuis!kudpc!nuis!tofu!ishikawa
From: ishikawa@agusa.nuee.nagoya-u.ac.jp (Akira Ishikawa)
Newsgroups: fj.lang.c
Subject: bit field on gcc-2.x
Message-ID: <ISHIKAWA.92Jul9020137@habutae.agusa.nuee.nagoya-u.ac.jp>
Date: 8 Jul 92 17:01:37 GMT
Sender: news@nuee.nagoya-u.ac.jp (News@tofu)
Distribution: fj
Organization: Agusa Lab., Dept. of Elec. Info., Nagoya Univ.
Lines: 44
Nntp-Posting-Host: habutae