From b6dfb0ac294b111c5c5d5a9ee940b6075bbd597e Mon Sep 17 00:00:00 2001
From: Sweet Bread <glebzaharov1@gmail.com>
Date: Tue, 6 Dec 2022 00:29:05 +0300
Subject: [PATCH] .o's to .so

---
 dnstoys.o                 | Bin 1264 -> 1260 bytes
 examples/HWA/main         | Bin 8996 -> 13428 bytes
 examples/HWA/makefile     |  13 ++---
 examples/file/main        | Bin 9280 -> 13424 bytes
 examples/file/makefile    |  19 ++------
 examples/network/main     | Bin 10396 -> 13392 bytes
 examples/network/makefile |  24 +++-------
 heap.o                    | Bin 0 -> 17008 bytes
 makefile                  |  28 +++--------
 network.o                 | Bin 988 -> 964 bytes
 sbalib.so                 | Bin 0 -> 31416 bytes
 src/dnstoys.asm           |   1 -
 src/heap.asm              |  98 ++++++++++++++++++++++++++++++++++++++
 src/network.asm           |  10 +---
 src/std.asm               |   1 +
 src/string.asm            |  33 +++++++++++++
 std.o                     | Bin 924 -> 928 bytes
 string.o                  | Bin 528 -> 724 bytes
 18 files changed, 155 insertions(+), 72 deletions(-)
 create mode 100644 heap.o
 create mode 100644 sbalib.so
 create mode 100644 src/heap.asm

diff --git a/dnstoys.o b/dnstoys.o
index 8af284ae14fa6077f594a64c428f165c51ffcd61..783328660c3a347c151841d89e6dba51f84efa33 100644
GIT binary patch
delta 138
zcmeys`G#|X0^^m9ih@j&O_+i_c^DWN7#SHD1c5XYD+7Z#h|k2ppa`YaptLrK2C6dv
z(oAd&45m<Vdk~+Ufx&I_MW)G&jOmk8S(F)DCU>%^GhUgzkwsl1g_(gN52y$RfM$RJ
E0I0qY6aWAK

delta 143
zcmaFE`GIqS0^^O1ih@i`-3*hBn1Z|+7<d>M7#JBD7zBYd6DtFQB#6(%z@QAJHK4RE
zhz6=N0@6%u3=HN_aYqoJoq@q)^I4|JjEtF+6IqlQJ0`cXs59P}yp}~>B7>QMArGhs
J27qRO0RRs;5VHUP

diff --git a/examples/HWA/main b/examples/HWA/main
index 8fb7e1b32f9b7ad658060f06415ea4628bceccc4..fb0303f62ab611c412f13682c6f7afe485aa91b7 100644
GIT binary patch
literal 13428
zcmeHO&u<$=6n<_EH6egoS{exnZPkXhkZux`azH9lQepyfX;iAJ2vw_fcbm0XudUsU
zaK(WX?#L(Lz@dKv2M+u=5OLrHQuz<KAUQ{*f_kVh-#6<Ci`xS|aO!)~=l9;cH?uRJ
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I9cY{PH%u>2*8l(j

literal 8996
zcmeHN%}Z2K6hHG}^L$!r7zizTE}|$AC!#b)sAM82!Ia7p9Y%dN+BnM06_tu!j0-<D
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zxMJ9RS;TiL)>{wFe&@lE#fduxn>UqX`L3u&v)_9FTH?fUPpekW&v74M2cSI1ar`{Q
f=?l}6(rThH2Vmq_7A)K9X#spD5O>l67@fFZrH)f(

diff --git a/examples/HWA/makefile b/examples/HWA/makefile
index 0adebfc..d6206ad 100644
--- a/examples/HWA/makefile
+++ b/examples/HWA/makefile
@@ -1,16 +1,13 @@
 all: main
 
-main: ../../std.o ../../string.o main.o
-	ld -m elf_i386 main.o ../../std.o ../../string.o --output main
+main: /lib/sbalib.so main.o
+	ld -m elf_i386 -dynamic-linker /lib/ld-linux.so.2 main.o /lib/sbalib.so -o main
 
 main.o:
-	fasm main.asm
+	fasm main.asm > /dev/null
 
-../../std.o:
-	make -C ../../ std.o
-
-../../string.o:
-	make -C ../../ string.o
+/lib/sbalib.so:
+	make -C ../../
 
 clear:
 	rm main.o main
diff --git a/examples/file/main b/examples/file/main
index 30355a7e92ccf3555a699577fb1f0b4a574a12c9..281125d508d4fa3a23c1839ec90b608ee9b0075f 100644
GIT binary patch
literal 13424
zcmeHOO^Xy)6uqsT*v65JW}*WM7U&ouSfkRDh2o+onbt_F5JjU4i|XzgtFgPPsj9&i
zlzjbxCW~Z~#ejc6!G()JT)Gte18$U=y#^Ozd(NwVW6=nbMRxbXsr&A`=e>IG%<F-o
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ztqjpN{~O@R<32oq^O48j-AnKeplyvjg6E!m^7wn1J(Bk$G)4~1t}Tzi1@8%h&jF4l
hZyK=sMbp?Cc!>?*IS-Bhk2ucSReU$pvjM#2y#xDPP7weA

literal 9280
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diff --git a/examples/file/makefile b/examples/file/makefile
index 270ac57..d6206ad 100644
--- a/examples/file/makefile
+++ b/examples/file/makefile
@@ -1,22 +1,13 @@
 all: main
 
-main: ../../file.o ../../std.o ../../path.o ../../string.o main.o
-	ld -m elf_i386 main.o ../../file.o ../../std.o ../../path.o ../../string.o --output main
+main: /lib/sbalib.so main.o
+	ld -m elf_i386 -dynamic-linker /lib/ld-linux.so.2 main.o /lib/sbalib.so -o main
 
 main.o:
-	fasm main.asm
+	fasm main.asm > /dev/null
 
-../../std.o:
-	make -C ../.. std.o
-
-../../file.o:
-	make -C ../.. file.o
-
-../../path.o:
-	make -C ../.. path.o
-
-../../string.o:
-	make -C ../.. string.o
+/lib/sbalib.so:
+	make -C ../../
 
 clear:
 	rm main.o main
diff --git a/examples/network/main b/examples/network/main
index 2ae5a2cdcc36b2d35ce3415df264dbe8b5040aaf..756bac4ada76724d709b3314957c49e1b918b57f 100644
GIT binary patch
literal 13392
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T2jTao9Ji}?L8<pFiV*h~WKb&a

literal 10396
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zY1)JGEpb*;e3{pRxidv{j;Q4O0;S0XGp`l7k2J_-rj#~;Z6N9s%@(d#ax445>-LFO
zt(!zk-aEOnuUEg^tA97^pt(K=8eER-SB-C6Vy9}Z^)W2PVW41CWQn6x!yjG8qE{d)
ztm3VahX1@;c#v&QLy-y-o}H(-SvIc?8L66@g@Lxh&h~1uCae0xXs;DUoBh~5DoQCI
zcjcdLR5yNe*gF^S818TX0cK}B`9s(9p&RPfVEO2umCA0%+3XGT%v>l55>EZ1nw>yJ
zt`3&pyj1~MsRgfNL9GN7{fAt@v*>3uVyhf4KTA%)L#RMU+fJZ@j9S|KC3YSrA7+J3
ze^n}RgU9)nA4M6Vnwnu|tELv*TyDtrEWy#sArX)WNCYGT5&?;TL_i`S5s(PnCj!H%
z)bMD`w>Pz)Xni#H>iTpf83hqdW_%(wo}t9peR?$1@ecH)g7I%`|I;>jmBXJLME}1d
z<~uS^R-W?RDx8Zy_AWYm7%T9_&I4GR-?3;Xtpfe&kvhE=^s$<}ft~<;`aMhDNWGwi
zO}-7Z*XDl^^q9?G4D?J*-bhK%T{ih^ppEa2u&lsObsQ_V{+QiHZh9N*oGl(VJ&)P!
zKLl;pKMuO%WZnJ~(82eu{F|r<dZgwL6_kvLgQ@gB-*dsRNQE;ZO=IaqQur{dyFG~{
zfuBeY`$l6)<4HRl6Ja$G8;x3my{WPBnk$y#F>Lx_kNj}X#FEh}Yi~S~rf_&qCWCm9
zw6L6vMbepAxE?q;O5s>EA|hB|3@`kI_w65t^Vp$;Ao69#_lw9LtRii$@!C#AeIj;9
z7&6Y?B&^#tDdWF}p=3EX`A7{o-RoElMXodBdoMm4w8tK|85`e;fquxQ$2HIey?)!%
z+0uK&rpL7=mJ@w^2Y+0fR$Q(@?+PM5e`{F&dcm;txE5!icjOLnpSS68%>>(t5|%Tp
zmcM4~xk-uYF~5oHAZp=#b=*mh8=amGBBROo4|?2#^WH@-1UpWfV{^@SLXW?*vxXIy
yb&TAqf{sr7=D_6GEMq<HU|RQqtucZC{**;vWnCVC--u}txU{Yz8nOtimfqhsnrRgP

diff --git a/examples/network/makefile b/examples/network/makefile
index b73a1df..d6206ad 100644
--- a/examples/network/makefile
+++ b/examples/network/makefile
@@ -1,25 +1,13 @@
 all: main
 
-main: ../../std.o ../../string.o ../../network.o ../../dns.o ../../dnstoys.o main.o
-	ld -m elf_i386 main.o ../../std.o ../../string.o ../../network.o ../../dns.o  ../../dnstoys.o --output main
-	
+main: /lib/sbalib.so main.o
+	ld -m elf_i386 -dynamic-linker /lib/ld-linux.so.2 main.o /lib/sbalib.so -o main
+
 main.o:
-	fasm main.asm
+	fasm main.asm > /dev/null
 
-../../std.o:
-	make -C ../.. std.o
+/lib/sbalib.so:
+	make -C ../../
 
-../../string.o:
-	make -C ../.. string.o
-
-../../network.o:
-	make -C ../.. network.o
-
-../../dns.o:
-	make -C ../.. dns.o
-
-../../dnstoys.o:
-	make -C ../.. dnstoys.o
-	
 clear:
 	rm main.o main
diff --git a/heap.o b/heap.o
new file mode 100644
index 0000000000000000000000000000000000000000..55ec61fa17ce3aa3d4da5ead51f2845bba084bec
GIT binary patch
literal 17008
zcmeI)%SyvQ6b9gvq%8>|UKS#*L|iCBpdu)U5U+?RctNd|YFipnP>?o41;Ii##yo}(
zp}3M(#I^2pBZyGw8@N#CBxy}oF5UbC$(%nk946lb%=zr%oFqw99}+3_n}|x2{>q3q
z4N#1t)Dq#)?l0gC0SG_<0uX=z1Rwwb2tWV=5P$##AOHafKmY;|fB*y_009U<00Izz
z00bZa0SG_<0uX=z1Rwwb2tWV=5P$##AOHafKmY;|fB*y_009U<00Izz!2b%YJ0Hty
zE2|ru?vi@LM~Od`#>h%tcJH;_zEeJJ*q?MFJLPfptk2ShRE6xjNbU7O*4&ipBqh5X
zb=KA0o#fVbB2{som6ZCRXwxnYJ~|4Asc+4BY2FpIw4{aFb^OWjTV5=?GySSvjh1@9
zL=|yFO4#?2N~<_k=z4>OS4X2F@5Y0krYuu$D0h-fgCe`ZH_pSMb?+twy>NPDWwN9f
zth_g83kA~i=AmwxMT_>$%(0%y<@_RN9+Fu+utH7#DEYj6FM|^7<NFviBM4&hu4E81
z{|E1jiHFC8L3HI+{;R&POGGX7{mmd!Mdo!mm^pJV&h=3>h|(fN#lvUe{rvyjt9~|7
P()=XRC>O!tK0JN^WXD(Q

literal 0
HcmV?d00001

diff --git a/makefile b/makefile
index 3c124cb..34c6353 100644
--- a/makefile
+++ b/makefile
@@ -1,25 +1,9 @@
-all: std.o string.o file.o path.o network.o dns.o dnstoys.o
+all: $(patsubst src/%.asm,%.o, $(wildcard src/*))
+	ld -m elf_i386 -shared *.o -o sbalib.so
+	cp sbalib.so /lib/
 
-std.o:
-	fasm src/std.asm std.o
-
-string.o:
-	fasm src/string.asm string.o
-
-file.o:
-	fasm src/file.asm file.o
-
-path.o:
-	fasm src/path.asm path.o
-
-network.o:
-	fasm src/network.asm network.o
-
-dns.o:
-	fasm src/dns.asm dns.o
-
-dnstoys.o:
-	fasm src/dnstoys.asm dnstoys.o
+%.o:
+	fasm $(patsubst %.o,src/%.asm,$@) $@ 		> /dev/null
 
 clear:
-	rm *.o
+	rm *.o sbalib.so
\ No newline at end of file
diff --git a/network.o b/network.o
index 435a59d5741606a94b8bad33947489b2982a3763..b6e60194406081890d2f723f0eeb5978084a6d6e 100644
GIT binary patch
delta 88
zcmcb^euRC30^^m9ifW8Z-3*f>8T&bX7#J8B85tP5CjVsgX0+Yx%EZmcIBjwuvoh-j
fps>Z{N@iuI7mSnVF{?>rFflM>1J%O-P#z2b$7K;G

delta 97
zcmX@YeusU60^^&FifW8P0Wbdi|NlRl@kaA+rV>Vn<^x=lJsJB2jTjghnAjN@Vt_Ow
zBLl;%$qyO58GSeFGI299E}JaKEIiqVS%CEbP|9I)BC|3R1JmR-W;Mo!$!nR#0U{O~
AegFUf

diff --git a/sbalib.so b/sbalib.so
new file mode 100644
index 0000000000000000000000000000000000000000..79d1df973d8fa6974bd43851ce7a3e5e3545c654
GIT binary patch
literal 31416
zcmeHQeQ=b;8Q=RzxEu+ANNf<OHx^q;+k>;T10}Ud;1I-g4iKA|#&9HexrA_+CU5u{
zfnGg7a=CWO*p8#q4l@XCt+s=-(=iFkSDb)CY6r0sP5-Ha#<`Y`3If7#{r%o|-@7-E
zPW3NaXLshg-#)v~?mqk5eU}{X%|1W$-?h|cvk5afghQCxd=xI*WYo+T9+59*iyK90
zw%%+rdx8)YCkrMEqaMgSr3-bGJZrrNij>*NQmpOcbA^b1$B^fj2tmn*4g0eLto3o~
z5Z1GgRcExO@#<N}xlMuG2$=*ilLHz0cLT(27Fw_f`4UKhEMs5Sreay3`ziCKK$pyO
zT>4HQ3S}9AG%-ztfF>~&LR;E#9F|QUn3A7Y>3Otq(yE5F1`{aF*_dO}ce8KKk3O+~
z`p&trZ!=AP^R+u)Ue??<{if41ZV`VRz2kV-L0A8U(lV{N@AmDFZ4LF+Ju_dsI;Y{v
zU2iX2dtm1~u5VZRfA!GDx&vJYYvwffjSTJkp!l6vnh&4&#rj)zJ>cE@{pYuseVh0w
zGOx=)OTg?2=*1)-sRT3b1OApIAyMa?Pf0>bF!KkYr?Ps!SPp$ww!Z?g7rJI?{}br#
zmj1DY#0gFwsRXMx5BSS$d$-sFeZHlA8T8+0+ZT#2KyS*ncZneMt(N-xp_>a>f^|6p
zb)Tg_uE$9(CKBiKSKup__8Xw@vCQus=%4=_K9EYVl6M1RS%0znnxdWF&QP>T&oqa$
zhHy)$tx0rh9WBvjZ(AtJ3N5y!)4O3yOS_1Mv`w*&^<G*+4Y#y~ys>sz>AA+XSZ7FP
zV^J*>)y$3>W9?f+dr*sbX&4P|2#H82*zOHBH5r+vP@4#CZqc$MEDtnju?F}d+Tn`k
zZHxrXY_2fcCTrKVL}d=P=AiAtj?PenrJykuZ47GUq6i%EIeJUt6^S>1Tb8esSR=7h
z;&zD%i9eS3l*IiK+p)&%=YEL~N$ipMQ;APVyehE(4;9-@l2|IyBhf3dO5z<7t0k_M
zSSztXVn|}E#GgrgT;i`K9+dd1#J@>=TjE)X7bQ->Uef)QSSs-uiO))WLE@;yFJe!#
zU6sU@67Q3EO5z!b|B`qc_Bz`wl^Brt2dtkR2UQ7pBz|4u(-Lojzbv0EagoH^;1A2o
zC2o`Wh{P_o$3ypXA`Z`9mIHTF$66ny4*VwjgY1*IlZXTJIf=(5R^eH+n+H4Qp^{=i
zF`yVw3@8Q^1B!wFcLvrZ&jePlTy@X)Qq`{BuPzqCcQU>}X!Sj1;o|<cM912S#7Cmb
zo;<S1we=RQ;43bNNE~veM+WT$sd`uPUR&ZwUUH4A;l6uo>uTx;lCL`IU4xE-#VPUS
zV@U^<s!T!hjj>j;OU-s?`Z?dp3Zu*JKx)Y>S7J0T?zxJbGYPFG@uG8JN6tsTD=>N`
zlgZS@%N=vIg2ZK^IaZ|KUuGMwNcyu*WbJ$TjefuI2>olO=;vY$#RJKKUVh#0%dZfk
zpI^v_;=TO-TsIU?`CWY_DE5uS%gel40X{Lr;`DpTX_Y8j;MIyq&%~ax?rD`3>9ZB-
z*9L9kXr&EbTy2TNc|UrWoraS|PC#!nzRm9E0Db(B!|xWX`T?p^Gnv)h@SO~&O4;TB
z3`J^N;hGol2QnP1*IhL%Q`M7GYo<zPjUsyNO!}uv{u3`w9>~r<<u43ljd~)^o@IIA
zg~zv+9rfccXLQddCR=1Uaj39o^TnQ;OW_p;zqPhwiA#3PR)Mt+lVyAQbU3liCA6Eb
zGjRDv!l^Rba5&?4rQb;U3$N?GRb+jN6nccvm#}8{Xr&O5WAG<3gSpfEC^f5%GE_=y
zx$d^%#AU;;iQInmmWd4HM$y+D_59BT(O*&I0FjA{SG$Uj`uSZ%n7eiNl`1Sn8%k0$
zne8jU127bilzGfypLC)m)8#T;elp*p85^;CW**9R&BTX2kH+>q8rkz$Y|opZf4cCw
zTi_$mdkBO1Mr!-9{37wP{eYeLXU{=w>dYG7Ke6DuFTxYu1!K;>k)E0C*fxwAt=31)
zRd5t+et4KG<M=2urj#sWd%A)4GwFj-LYH6^klTy1uT7P58bk42^dPrGtUJnl{@BzY
zfVote{`_EP)?qquvo>+qnJSQ*)4J2L8vzfRr3168#3A>1;~KkUbppJsz=ydW5xoQ>
z$~}@A-|1@X&;tw5uE#m8)g4Y;bZ>J6(v$l6Uo#)R-~HyQd8gCw)|9)o3C?-l`AgI1
z7AGz{wfw<+@6z;%!F+*D!`9}e5xITVQ|;<5n(-j^5WZoG{an*Ns`}~<#Rv1KT>rS`
zNT_!8bK$Gv<x@o0rCcxLFxToHeGsN&7Nga!pDw<WiHr8F6E1wP%6Bq-F0h}Y)|A`z
z`QYq27h%EZ!)V>h+`?gP!r<bJSdl(|-J_aw&F^Y;?<Ym<-F;o}23zcX(18b-1Kj#?
z2IwV8zLB9gz%p1NHjVG4csWj(f}W|a?x_<i)9>lt6=sh%*O<BMC$xSxUr5%QTkIN(
zJ`NU+xJ7)yysgFY1q(O1d&=VJdEwO+>3{eR8P#<-;M|(Kc<<}$Uvk@q(`U!qftjwt
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z#eiZ!F`yVw3@8Q^1D_THbDKgN=XM06O|cF78%4f36nIg%6mR`Jv30GXM$PkS`KHEI
z3@8Q^1BwB~fMP%~pcqgLC<YV*iUGyIXN3VLCUOpP{%R)nI9^xqjrFq*<G1Vqyd2~k
znDY?+Hk@yS@zX`|6dK{@j3SPD{7g~*eWm<KvG^#HiG2%YpEO};zARCRztI1N3+b~%
z1!rW;My>LHSXC#V!~d2h>PCDDRZ<Kn1{4E|0mXn~Krx^gPz)#r6a$I@#eiZ!F`yVw
z3@8Q^1BwB~fMP%~pcqgLC<YV*iUGxdVn8vV7*Gr-1{4E|0mXn~Krx^gPz)#r6a$I@
z#eiZ!F`yVw3@8Q^1BwB~fMP%~pcqgLC<YV*iUGxdV&H$2fzRH>5ucD~ULeAlolG{|
zRKmMUtg#<wK)1$j{1S9)EJz=8YwW~D(5<l;mqNG3QoI|wH5TJq=+@YdG3eIVkPJ>~
zjV<{AbZhKK#*VbcX50zg8r$(VP_3~U{{-C{oAC&AYb?v-(5<l}hoM_zS^gcmHCE-@
z(5<l`c`uALcBN=oQv2P?>g9{aiMePA=V*jqWE4ds$54x7!$a!PAjiaw)Wbbq6D!ha
z&Df3En3I;sj<UyG$i{4VNLeFeHyVz~;F3mr1c4kAqf&2~jVC!a=%n6U4_GO@om)0&
z!F52b!@!7{YmRn#Bf-vy@HTCU!puN;?(GP*u?z)>o2i91YkE$Pk7;Q707llFzoB(%
zO|pTUkWn0pG=w`C4wKymH?%Yg@4C)TtklO#H^Yo~{NS+A@BQH#?}6aTA3gDk5z2JP
zhq%j!cDxse(u@4HcDJI8cLULm_XSbb!j^pibmWaCUxTnM?RdWsh4%`XiMC9<D26d^
zX~%npC~+v(ad|ZkXUsPF5d9g!Ag7p@iQ_Zf4l(Wc>```@gQ3o}TV}E2Gec=cnVC$x
zdr)BZ$7h4`mvQ<FTI_fxP#!Zo1DgHuj4=D-SwQiR(;v?c(~f5j<<dC)kvo%T;ei6t
zgYF>9WR7dKV@w=fbPMBSJUfP^p%jf{_b|%nAJ=WR#}H(*$?R_jO1Nh9QID@Y7l^!B
zPvrVO0bzgox>q1G4>32F0A(`m%`wgLat&u13PHE-3+=Gv`kpfP5N&_gCB#)`WMV%|
Uyx+=d_w+^~^mACRHGE?B-&bL#761SM

literal 0
HcmV?d00001

diff --git a/src/dnstoys.asm b/src/dnstoys.asm
index 74e1220..1f330fb 100644
--- a/src/dnstoys.asm
+++ b/src/dnstoys.asm
@@ -27,7 +27,6 @@ myip:
 	push dnstoys
 	call network.get_ip
 	pop eax
-	mov eax, [eax]
 	mov [DNS_server+4], eax
 
 	push dword 200
diff --git a/src/heap.asm b/src/heap.asm
new file mode 100644
index 0000000..e4298ee
--- /dev/null
+++ b/src/heap.asm
@@ -0,0 +1,98 @@
+format ELF
+public _add as 'heap.add'
+public del  as 'heap.del'
+
+include '../include/macros.inc'
+extrn exit
+
+section '.bss' writeable
+_heap:
+    db 0xB  ; flag
+    dd 4    ; size
+    dd 4096 ; available memory
+    
+    rd 4096
+
+section '.text' executable
+_add:
+    prelude
+
+    mov ecx, [ebp+2*4]  ; size
+    mov eax, _heap
+    xor edx, edx
+
+    .loop:
+        cmp [eax], byte 0
+        je .empty
+
+        mov bl, [eax]
+        bt  bx, 0
+        jc .busy
+
+        inc eax
+        cmp edx, 0
+        jne @f
+            mov edx, eax
+        @@:
+        cmp ecx, [eax]
+        jl .more
+        je .equal
+        ; less
+            sub ecx, [eax]
+            add eax, [eax]
+            add eax, 4
+            jmp .loop
+        .equal:
+            mov [edx], byte 9
+            mov ebx, [ebp+2*4]
+            mov [edx+1], ebx
+            add edx, 5
+            mov [ebp+2*4], edx
+            postlude
+            ret
+        .more:
+            mov ebx, edx
+            add ebx, [ebp+2*4]
+            mov [ebx], byte 9
+            inc ebx
+            mov eax, [eax]
+            sub eax, ecx
+            mov [ebx], eax
+            
+            add ebx, [ebp+2*4]
+            mov [edx-1], byte 9
+            mov edx, ebx
+
+            add edx, 5
+            mov [ebp+2*4], edx
+            postlude
+            ret
+        
+        .empty:
+            cmp edx, 0
+            jne @f
+                mov edx, eax
+            @@:
+            je @f
+                dec edx
+            @@:
+            jmp .equal
+
+        .busy:
+        xor edx, edx
+        inc eax
+        add eax, [eax]
+        add eax, 4
+
+        jmp .loop
+
+del:
+    push eax
+    mov eax, [esp+4*2]
+    sub eax, 5
+    and byte [eax], 254
+    mov eax, [esp+4]
+    mov [esp+4*2], eax
+    pop eax
+    add esp, 4
+    ret
diff --git a/src/network.asm b/src/network.asm
index fe78f61..25f063e 100644
--- a/src/network.asm
+++ b/src/network.asm
@@ -26,15 +26,7 @@ get_ip:
 	push dword 0
 	call dns.get_field
 	pop eax
-	push eax
-	call string.len
-	pop ebx
-	add eax, ebx  
-	cmp ebx, 2
-	je @f
-		inc eax
-	@@:
-	add eax, 2*3+4
+	mov eax, [eax]
 	
 	mov [ebp+2*4], eax
 	postlude
diff --git a/src/std.asm b/src/std.asm
index 08ccb0c..17fa64d 100644
--- a/src/std.asm
+++ b/src/std.asm
@@ -69,6 +69,7 @@ _bin:
 
 	push 2
 	mov ebx, 2
+	xor edx, edx
 
 	@@:
 		cmp eax, 2
diff --git a/src/string.asm b/src/string.asm
index 4650bc5..01accff 100644
--- a/src/string.asm
+++ b/src/string.asm
@@ -2,8 +2,10 @@ format ELF
 public copy 		as 'string.copy'
 public len  		as 'string.len'
 public parse_int	as 'string.parse_int'
+public concat		as 'string.concat'
 
 include "../include/macros.inc"
+extrn heap.add
 
 section '.string.text' executable
 copy:
@@ -82,3 +84,34 @@ parse_int:
 		mov [ebp+4*2], eax
 		postlude
 		ret
+
+concat:
+	prelude 
+
+	push dword [ebp+3*4]
+	call len
+	push dword [ebp+2*4]
+	call len
+	mov eax, [esp+4]
+	add [esp], eax
+	dec dword [esp]
+	call heap.add
+	pop eax
+	mov edx, eax
+	
+	push dword [ebp+3*4]
+	push eax
+	call copy
+
+	add eax, [esp]
+	mov ebx, [ebp+2*4]
+	mov [esp], ebx
+	push eax
+	call copy
+
+	mov eax, [ebp+4]
+	mov [ebp+2*4], eax
+	mov [ebp+3*4], edx
+	postlude
+	add esp, 4
+	ret
\ No newline at end of file
diff --git a/std.o b/std.o
index 069204b247e4dba7dce2c74021b7fdacd6fd6a8b..e4d6f58e6f3624dc4005e63bec679f9c095e799f 100644
GIT binary patch
delta 170
zcmbQkzJPs#0^^2>ii?>HFHJn6!q_(1i&14VFQW~kDv+h;%)r3Mz`(%B$iN^ArL~~+
z0w}!^O7Di!|Dd!GP!C9-%;cSn)q=Nyq97o|z{C&+q-`d<GM#30oh-<#%vdwolv$ne
W$mCdNb%_ur28L*`N(cco01N<e5f~o;

delta 145
zcmZ3$K8JmR0^^#Aii;;6Q(^3w?8B%snV->yQ60$An_R;vp*fF%fq{{cfnhzA-U+4u
zKxqM>97tYj@?OSj!J9x)5D;QuVh97$R+BxMPBS`B7G+jute9-ctj>5~aw4<3L;w>5
NLo`?=ga8@<1^`3K7s~(u

diff --git a/string.o b/string.o
index d6117586a1485a17773daf6fdce6cf6b9412c50c..fa8cd2db0f7a0373c15aadcbb09d528a1d47ac7b 100644
GIT binary patch
literal 724
zcmb<-^>JflWMqH=Mh0dE1doA%hY2EM0;V(=SQ%ItLOY)Z1P2C%g?GF1bjNZSo@}t;
zU?}1265;3&;dXrevD=lU)0HPaE-ErQBDVPm$6+K59EP_WY$O;;n4MpL?~LVuDne7S
z6Xb%l3@(NS3xgW|1`Eq_t}cm&*9K|94zJ%B9)L(kr#1iPD&gW^e>3|e7vqiB?>b#E
zjr(89^P=uQ5R`JfC<9X6E-EaHEGqwbR9^f6aw9qq0aXON&;qiVSyX_Y>6B3kcp(i^
z3GxI-XDGrSEQf)vItIi{Y~a8^Aw-dQpb%6-;tK)!dO*G*R1Czo1hRvX_+CKvA|!qU
zlntT;K!jd#Wo}7g5|Az_0@FpQIUsgsUb<dMYDEbHl%1SkPzht_q~^hx1&Kw)sqvY4
zNb2&E6H6E}QWFdG5>rw@RuBt7eg(x4EEqs(<0q147ARW~NOK~I8vr$N0Qt;74AKu$
t2jYX+&}0T=F)&yF1qy&PNFF2(qCsH*G7F>^237#oCBisB8e|R#000X_lZXHS

delta 207
zcmcb@I)P<^f^Y#N0~nZqNeu=T2Ih&zi<2RO$fO_=hnazqK@N#81mtT0`G!z25Z@HY
z4o2cL=oMGymLw(t>5?K4J$Wyq>0}`$rO66R9I7DGK`vo~>Hs-s5tI$0SU|+&MkZm-
Y8$d<?5HnAn%OuaL0o3F+`5==p0EwFwNB{r;