[WitchTech 00437] Re: 手抜き malloc

[cdr@cosmonet.org (Tatsuya Kudoh)]

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>> $BBg@N!";d$b(BK&R$B$N(Bmalloc()$B$rFI$s$@3P$($,$"$j$^$9!#:G6a$O<j85$K$J$$$N$G(B
>> $B;29M$K$7$F$^$;$s$,!":#$b$&0lEY$=$3$@$1FI$s$G$_$?$$$G$9(B(^^;

K&R$B$N<BAu$@$H!"(Bfree$B$5$l$?NN0h$@$1$r%j%9%H$G$D$J$$$G$$$?$H;W$$$^$9!#(B
$B$G!"(Bfree$B$7$?$H$-$K!"$=$NNN0h$KNY@\$9$kNN0h$,%j%9%HCf$K$"$l$PE}9g$7!"(B
$B$J$1$l$P?7$?$K%j%9%H$K2C$($k!"$H$$$&%"%k%4%j%:%`$@$C$?$H;W$$$^$9!#(B
$B$H$$$&Lu$G!"(B

>> > free $B$7$?NN0h$r4IM}$9$k%j%9%H$H(B malloc $B$7$?%j%9%H$rJL$K;}$F$P!"%X%C%@$N%U(B
>> $B$?$@4IM}%j%9%H$,Fs7OE}$"$k$H!"CGJR2=$,M>7W?J$s$G$7$^$&5$$,$7$^$9!#(B

malloc$B$7$?%j%9%H$O$$$j$^$;$s$7!"CGJR2=$b5/$-$J$$$G$7$g$&!#(B

$B$3$N%"%k%4%j%:%`$@$H!"C5:w$9$k%V%m%C%/$N?t$,>/$J$/!"$^$?A4$F$?$I$i$J$/(B
$B$F$b:Q$`%1!<%9$,B?$$$N$G!"$=$&$$$&0UL#$G!V(Bfree$B$N8zN($,0-$$!W$H=q$$$?$N(B
$B$G$9$,!"$h$/9M$($F$_$k$H!"NY@\%A%'%C%/<+BN$O(Bdie$B$5$s$N%3!<%I$NJ}$,3Z$J$N(B
$B$G!"$I$C$A$,Aa$$$H$b8@$($^$;$s$M!#(B

>> > $B$?$@!"(Bdie $B$5$s$N<BAu$N$^$^$G!"%V%m%C%/$O(B word alignment $B$+$DI,$:@0Ns$7$F%j(B
>> > $B%9%H$K$D$J$0$3$H$K$7$F!"(Bnext $B$N:G2<0L%S%C%H$r%U%i%0$KN.MQ$9$l$P(B size $B$bIT(B
>> > $BMW$K$J$k$+$b$7$l$^$;$s!#(B($B$3$A$i$N$[$&$,%X%C%@$N%5%$%:$,>.$5$/$J$k(B) $B$H8e$+(B
>> > $B$i;W$$$^$7$?!#(B
>> $B$"!"$3$C$A$b@($$$J!#;d<+?H!"(Bnext$B$+(Bsize$B$N$I$A$i$+$ODY$7$F$bNI$$$+$J!"(B
>> $B$H$O;W$C$F$$$^$7$?$,!&!&>e5-$N%"%$%G%"$J$i3F%X%C%@$?$C$?$N#2%P%$%H!#(B

die$B$5$s$N%"%k%4%j%:%`$@$H!"%V%m%C%/$O>o$K@0Ns$7$F$$$k(B($B$=$&$G$J$$$H(B
free$B$7$?$H$-$KE}9g$G$-$^$;$s$M(B)$B$N$G!"(Bsize$B$,$o$+$l$P<!$N%V%m%C%/$N0LCV$O(B
$B4JC1$K5a$^$k$H;W$$$^$9!#(B

$B$5$i$K!"APJ}8~%j%9%H$r;H$&$h$&$K$9$k$H!"(Bfree$B$7$?;~$KA08e$N%V%m%C%/$r(B
$BD4$Y$k$@$1$G:Q$`$N$G!"<B9T;~4V(BO(1)$B$N(Bmalloc/free$B$,<B8=$G$-$^$9$M!#(B
$B%X%C%@$OBg$-$/$J$j$^$9$,!#(B

>> $B6KO@$9$l$P!V(Bmalloc()$B$J$s$FMW$i$J$$!W$H$J$C$A$c$&$o$1$G(B(^^;$B!"$=$l$0$i$$(B
>> $B$A$c$s$H$7$?M}M3$,$"$C$F(BWitch$B$N%i%$%V%i%j$K$OIU$$$F$$$J$+$C$?!&!&(B
>> $B$N$+$b$7$l$^$;$s!JB?J,9M$($9$.(B(^^;$B!K!#;d$O$=$l$G$bM_$7$+$C$?$N$G$9$1$I!#(B

$B$$$d$!!"C1$KLLE]$@$C$?$@$1$G$7$g$&!#(Bctype.h$B$H$+$bL5$$$7!#(B
$B$"$k$$$O!"%i%$%V%i%j@0Hw$N3Z$7$_$r%f!<%6!<$KDs6!$9$k$?$a$@$m$&$+(B($BH?8l(B)

# $BI,MW==J,$H8@$C$?K\?M$,$7$D$3$/FM$C$3$s$G$^$9$M!#$4$a$s$J$5$$!#(B
# $B$G$b$^$"!"%"%k%4%j%:%`$K$3$@$o$k$N$b7W;;5!$N3Z$7$_$N$R$H$D$G$9$h$M!#(B
# $B:G6a$O%^%7%s$,B.$$$;$$$+!"8zN($KL5F\Ce$J?M$,B?$$$i$7$$$G$9$,!#(B

/*
** $B9)F#(B $BC#Li(B (Tatsuya Kudoh)	mailto:cdr@cosmonet.org
**	http://www.tnlab.ice.uec.ac.jp/~cdr/ $B"+(B WonderWitch$B;O$a$^$7$?(B
*/