*db/read +db/chunkparsers

db/read:
 - since File.readBytes is temporarily down, there's now a replacement for it in there;
 - all affected files also modified

db/chunkparsers:
 - I'm now collecting the chunked file structure parsers into this one cute file. They're supposed to quickly go through some common blocks, gathering the types, data offsets, data sizes (or whatever else would be necessary otherwise) and guessing the correct expected file size and reporting it too

Author: Kaens

db/Binary/archives.ancient.sg

@@ -424,7 +424,7 @@ cccc = [ // They often repeat the other detections below, but more standardised.
 
 	function isStoneCracker() {
 		//won't recognise an archive with a zero-length file in it, by design, to minimise FPs
-		var ihdr = X.U32(0,_BE), bhdr = X.readBytes(0,3), hdr = X.SA(0,4);
+		var ihdr = X.U32(0,_BE), bhdr = readU8Array(0,3), hdr = X.SA(0,4);
 		function _subdetect() {
 			if(ihdr >= 0x08090A08 && ihdr <= 0x08090A0E && ihdr != 0x08090A09) { gen = 2; return true }
 			if((ihdr&0xFF) >= 8 && (ihdr&0xFF) <= 0x0E)

db/Binary/audio.DSS.1.sg

@@ -26,7 +26,7 @@ function detect() {
 	if(charStat(dur,1).indexOf('allnum') < 0 || !isWithin(dur.slice(2,4),'00','59') || !isWithin(dur.slice(4,6),'00','59'))
 		return false;
 	dur = dur.slice(0,2)+'h'+dur.slice(2,4)+'m'+dur.slice(4,6)+'s';
-	auth = X.readBytes(0xC,0x10);
+	auth = readU8Array(0xC,0x10);
 	if(charStat(auth,1).indexOf('allxsc') < 0) return false;
 	else auth = decEncoding(auth,CP437);
 	if(v1) switch(cn = X.U8(0x2A4)) {
@@ -39,7 +39,7 @@ function detect() {
 	if(cn == 0) asz = hdrsz+3750*(dur.slice(0,2) * 3600 + dur.slice(3,5) * 60 + dur.slice(6,8)); else asz = -1
 	cmt = "";
 	if(v1) {
-		cmt = X.readBytes(0x31E,0x40);
+		cmt = readU8Array(0x31E,0x40);
 		if(charStat(cmt,1).indexOf('allxsc') < 0) return false;
 		else cmt = decEncoding(cmt,CP437)
 	} else for(i = 0x240; i < 0x3A6; i += 60) {

db/Binary/bin.PalmFile.1.sg

@@ -40,7 +40,7 @@ function detect() {
 	switch(tp_) { case 'appl': tp = 'PRC'; break;
 		case 'pqa ': if(by == 'clpr') tp = 'PQA'; else return;
 		default:
-			if(charStat(X.readBytes(p,4),true).indexOf('allasc') >= 0) {
+			if(charStat(readU8Array(p,4),true).indexOf('allasc') >= 0) {
 				tp = 'PRC'; bad = bad.addIfNone('!badtype')} }
 	var dt = palmDateToStr(dtMod,'mod'),endp,reclen=8,m=i=0,mhk='',uniq=[];
 	if(dtMod && dt === '') sus += 2;

db/Binary/bin.RPGMaker2Kdata.1.sg

@@ -8,7 +8,7 @@ function detect() {
 /* beautify ignore:start */
 
 function isLCF() { //internal
-	if(!X.isHeuristicScan() && (!X.c("'Lcf'",1) || charStat(X.readBytes(1,X.U8(0)),1).indexOf('allasc' < 0))) return false;
+	if(!X.isHeuristicScan() && (!X.c("'Lcf'",1) || charStat(readU8Array(1,X.U8(0)),1).indexOf('allasc' < 0))) return false;
 	return true
 }
 
@@ -150,7 +150,7 @@ if(!bDetected && isLMT()) {
 	sName = "RPGMaker 2000/2003 map tree data (.LMT)"; bDetected = true;
 	if(bad.length) sVersion = sVersion.appendS('malformed'+bad,'/')
 	if(X.isVerbose()) {
-		sOption('for: '+title); sOption(addEllipsis(maps.join(', '),0xC0), len+' maps:'); sOption(outSz(sz),'sz:')
+		sOption('for: '+title); sOption(addEllipsis(maps.join('\r'),0xC000), len+' maps:'); sOption(outSz(sz),'sz:')
 	}
 }
 

db/Binary/databases.1.sg

@@ -9,10 +9,6 @@ function detect() {
     if (Binary.compare("00010000'Standard Jet DB'00")) {
         sName = "Microsoft Access database (.MDB)";
         bDetected = true;
-    } else if (Binary.compare("00010000'Standard ACE DB'00")) {
-        sName = "Microsoft Access database (.MDB)";
-        sVersion = "2010";
-        bDetected = true;
     }
 
     function isDBF() {
@@ -53,7 +49,7 @@ function detect() {
                 upd = y+'-'+m.padStart(2,'0')+d.padStart(2,'0') }
             recc = X.U32(4); if(!recc) return false;
             hdrsz = X.U16(8); recsz = X.U16(0xA); if(hdrsz < 0x20 || !recsz) return false;
-            res0 = X.U24(0xC); res1 = X.readBytes(0xF,13); res2 = X.U32(0x1C);
+            res0 = X.U24(0xC); res1 = readU8Array(0xF,13); res2 = X.U32(0x1C);
             if([4,0x8C].indexOf(nv) >= 0) {
                 rectp = 0x44; enc = 'CP'+X.SA(0x22,3); if(isWithin((t=X.SA(0x25,1)),'0','9')) enc += t;
                 if(enc == 'CPKOI8') enc += X.SA(0x26,1);  v5 = true
@@ -85,7 +81,7 @@ function detect() {
         validC = ['C','N','L','D','M','F','B','G','P','Y','T','I','V','X','@','O','+','0'];
         fldc = 0; totalfldsz = 1 /* we begin with a deletion flag */; p = rectp; old = [0,1];
         while(X.U8(p) != 0xD && p < hdrsz) {
-            name = X.readBytes(p,v5? 0x1F: 11); ns = charStat(name,1);
+            name = readU8Array(p,v5? 0x1F: 11); ns = charStat(name,1);
 //_log('fld#'+fldc+' @'+Hex(p)+': '+decEncoding(name,CP866)+' (ns=['+ns+'])')
             if(!name[0] || (ns.indexOf('allxsc') < 0 && ns.indexOf('allforeign') < 0)) return false;
             tp = X.SA(v5? p+0x20: p+0xB,1); if(validC.indexOf(tp) < 0) return false;

db/Binary/rom.1.sg

@@ -426,7 +426,7 @@ function detect() {
 		/*9*/'ZX128ksnap','Opentype','ZXexec','UNI-DOSdir','UNI-DOScreate','14?','15?','SAMBASIC','SAMnum.array',
 		/*18*/'SAMstr.array','SAMcode','SAMscr','MasterDOSdir','SAMDriverapp','SAMDriverbootstrap','EDOSNOMEN',
 			'EDOSsys','EDOSovl','27?','HDOSHdos','HDOSHdir','HDOSHdisk','HDOSHfree/Htmp'];
-		if((X.U8(0) & 0x3F) != 19 && charStat(X.readBytes(0xD2,10),1).indexOf('allasc') >= 0) {
+		if((X.U8(0) & 0x3F) != 19 && charStat(readU8Array(0xD2,10),1).indexOf('allasc') >= 0) {
 			sam[0] += 10; label = X.SA(0xD2,10).trim() }
 //if(xroot) _l2r('mgt',0xFF,xroot+' xroot found!'); if(samboot) _l2r('mgt',0x100,'SAM BOOT found!')
 		for(p=_sec=_side=_trk=0,end=false; _trk < 4+xroot && p < X.Sz(); ) {
@@ -435,7 +435,7 @@ function detect() {
 //_l2r('mgt',p,'looking at rec #'+files+'"'+X.SA(p+1,10)+'": T'+_trk+'S'+_side+'s'+_sec+' type '+X.U8(p))
 				if(!X.U8(p+1)) {end = true; continue }
 				if(end) sus++; files++;
-				var fname1 = X.readBytes(p+2,9); if(charStat(fname1,1).indexOf('allasc') < 0) return false; //space-padded
+				var fname1 = readU8Array(p+2,9); if(charStat(fname1,1).indexOf('allasc') < 0) return false; //space-padded
 				var ft = (X.U8(p)&0x3F); if(ft > 0x1F) return false; //file type
 				if(!ft) erased++; else if(isWithin(ft,1,11)) zx[0]++; else if(isWithin(ft,12,13)) dd[0]++;
 				else if(isWithin(ft,16,23)) sam[0]++; else hd[0]++;
@@ -732,7 +732,7 @@ function detect() {
 		}
 	}
 
-	else if(X.c("'ZXST'") && charStat(X.readBytes(0x10+X.U32(0xC),4),1).indexOf('allxsc') >= 0
+	else if(X.c("'ZXST'") && charStat(readU8Array(0x10+X.U32(0xC),4),1).indexOf('allxsc') >= 0
 		&& X.fSig(8,0x200,"'Z80R'") > 0 && X.fSig(0x20,0x200,"'SPCR'") > 0
 		&& isWithin(V=X.U8(4),1,1) && (v=X.U8(5)) <= 5 && (hw=X.U8(6)) <= 16 && (fl=X.U8(7)) <= 1) {
 		//ref https://sinclair.wiki.zxnet.co.uk/wiki/ZX-State_format
@@ -754,7 +754,7 @@ function detect() {
 			var p = 8;
 			while(p < X.Sz()) {
 				var hkhd = X.SA(p,4), hksz = X.U32(p+4);
-				if(!hksz || hksz+p > X.Sz() || charStat(X.readBytes(p,4),1).indexOf('allxsc') < 0
+				if(!hksz || hksz+p > X.Sz() || charStat(readU8Array(p,4),1).indexOf('allxsc') < 0
 					|| hkhd.length < 2 || hkhd.toUpperCase() != hkhd) break;
 				p += 8;
 				switch(hkhd) {
@@ -802,7 +802,7 @@ function detect() {
 			switch(X.U8(p++)) {
 			case 0x10:
 				if(!X.U8(p+4)) { //loading flag(?)
-					if(charStat(t=X.readBytes(p+6,10), 1).indexOf('allasc') < 0) bad = bad.addIfNone('!nonASCIIfn');
+					if(charStat(t=readU8Array(p+6,10), 1).indexOf('allasc') < 0) bad = bad.addIfNone('!nonASCIIfn');
 					t = decEncoding(t,CPSpeccy).trim(); tp = X.U8(p+5);
 					if(!t && tp < 3) bad = bad.addIfNone('!emptyfn');
 					fnames = fnames.appendS(t+'.'+types[tp], ',')
@@ -1148,7 +1148,7 @@ function detect() {
 		for(; i < maxlump; i++, p += 0x10) {
 			if(p+0x10 > X.Sz()) return false;
 			var ofs = X.I32(p,en), sz = X.I32(p+4,en); if(ofs < 0 || sz < 0 || !isWithin(ofs,12,X.Sz())) return false;
-			if(X.c("'ENDOFWAD'",p+8)) susBE++; lumps.push([ofs,sz,X.readBytes(p+8,8)]);
+			if(X.c("'ENDOFWAD'",p+8)) susBE++; lumps.push([ofs,sz,readU8Array(p+8,8)]);
 		}
 		lumps = lumps.sort(function(a,b){return a[0]-b[0]});
 		for(i=0; i < maxlump; i++) {
@@ -1336,7 +1336,10 @@ if(!bDetected && X.isHeuristicScan()) {
 				for(i=p; i < p+hksz-1; i++) c ^= X.U8(i);  if(c != X.U8(i)) return false;
 			}
 			if(tp == 0) {
-				if(charStat(t=X.readBytes(p+2,10), 1).indexOf('allasc') < 0) { sus++; bad = bad.addIfNone('!nonASCII:'+decEncoding(t,CPSpeccy)) }
+//_l2r('tap',p+2,readU8Array(p+2,10)+':'
+//	+outArray(readU8Array(p+2,10),16)
+//	+' -> '+decEncoding(readU8Array(p+2,10),CPSpeccy))
+				if(charStat(t=readU8Array(p+2,10), 1).indexOf('allasc') < 0) { sus++; bad = bad.addIfNone('!nonASCII:'+decEncoding(t,CPSpeccy)) }
 				t = decEncoding(t,CPSpeccy).trim();
 				if(!t) if(X.U8(p+1) < 3) return false; else { sus++; bad = bad.addIfNone('!emptyname') }
 				fnames = fnames.appendS(t+'.'+types[X.U8(p+1)], ',') }
@@ -1346,7 +1349,7 @@ if(!bDetected && X.isHeuristicScan()) {
 		if(!fnames.length && blk) { sus++; bad = bad.addIfNone('!nonameblk0') }
 		if(blk < 2 && bad.indexOf('!nonASCII')) sus++;
 		//if(X.Sz() != p) sus++;
-		if(sus > 2 || !blk || !fnames.length) { delete bad; return false }
+		if(sus > 2 || !blk || !fnames.length || p < 17) { delete bad; return false }
 		return true
 	}
 	if(isTAP()) {

db/chunkparsers

@@ -0,0 +1,55 @@
+// Various systems' DOS chunk format parser functions.
+// They return info or the number -1 if it's not the right format.
+// Author: Kaens (TG @kaens)
+/* beautify ignore:start */
+
+includeScript("read");
+
+/**
+ * If it's an Amiga hunk file, parses it and tries to be strict in case of garbage past EoF.
+ * @returns {Array} [nTotalSize,aBlockInfo,c] where:
+ *  - nTotalSize: -1 if the file is not an Atari DOS "binary save", otherwise the total expected size;
+ *  - aBlockInfo: an Array with separate block types, offsets, and sizes, its length reflecting the number of hunks
+ */
+function parseAmigaHunks() {
+	//TODO check types, check reslibs, break off if invalid
+	if(!X.c("000003F3")) return [-1, []]; //is it an Amiga hunk file?
+	var p = 4, x = sz = i = reslibs = 0, info = [], load = true;
+	//library strings:
+	while(p < X.Sz()) {
+		x = X.U32(4,_BE); p += 4; if(!reslibs && x) load = false; if(x) reslibs++; else break; p += 4*x
+	}
+	var hunks = X.U32(p+8,_BE) - X.U32(p+4,_BE) + 1; p += 12;
+//sOption(hunks+' hunks')
+	for(i=0; i < hunks && p < X.Sz(); i++,p+=4) {
+	//traverse hunks:
+		var t = X.U32(p,_BE), add = (t>>30) == 3? 4: 0; t &= 0x3FFFFFFF; t <<= 2; t += add;
+//_log('@'+Hex(p)+' hunk#'+i+' = '+Hex(t));
+		info.push([0/*TODO*/,sz,t]); sz += t
+	}
+	sz += p;
+	if(!info.length) return [-1,[]];  else return [sz,info]
+}
+
+/**
+ * If it's an Atari DOS block file, parses it and tries to be strict in case of garbage past EoF.
+ * @returns {Array} [nTotalSize,aBlockInfo] where:
+ *  - nTotalSize: -1 if the file is not an Atari DOS "binary save", otherwise the total expected size;
+ *  - aBlockInfo: an Array of arrays with each block's offsets and sizes, its length reflecting the number of blocks
+*/
+function parseAtariBinary() {
+	if(!X.c("FFFF") || X.Sz() < 6) return [-1, []];
+	var hksz = 0,
+		RAM = [],
+		hkinfo = [],
+		p = 2;
+	while(p+4 <= X.Sz() && p < 65520) {
+		var ptr = X.U16(p);
+		if(!hkinfo.length && ptr == 0xFFFF) { p += 2; ptr = X.U16(p) } // the subsequent blocks don't have to have a sig
+		var eptr = X.U16(p+2); if(eptr < ptr || (ptr <= 0xD7FF && eptr >= 0xD000)) break;
+		hksz = eptr+1-ptr; if(p + hksz > X.Sz()) if(!n) break;
+		RAM.push(ptr,hksz); if(findIntersections(RAM,true).length) break;
+		p += 4; hkinfo.push([p,hksz]); p += hksz
+	}
+	if(!hkinfo.length) return [-1, []];  else return [p, hkinfo]
+}

db/read

@@ -5,12 +5,12 @@
 // and get rid of the functions themselves
 /* beautify ignore:start */
 
-var _BE = true, _LE = false; //endianness for read_int16+
+const _BE = true, _LE = false; //endianness for read_int16+
 //little-endian = reversed notation (Intel, ZX Spectrum),
 //big-endian = direct notation (TCP/IP, Motorola, Amiga)
 //For the BitReader Object, BE is MSB and LE is LSB (intuitively)
-var CS_ALL = true, CS_BEST = false; //charStat needall 
-var TOEOF = -1; //use for the size parameter in findSignature
+const CS_ALL = true, CS_BEST = false; //charStat needall 
+const TOEOF = -1; //use for the size parameter in findSignature
 
 // ---------- START OF PRE-v3.06 CODE --------------------
 
@@ -70,19 +70,19 @@ const CP866 = "⌂"+ //DOS Cyrillic
 	'АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ'+
 	'абвгдежзийклмноп░▒▓│┤╡╢╖╕╣║╗╝╜╛┐'+
 	'└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀'+
-	'рстуфхцчшщъыьэюяЁёЄєЇїЎў°∙·√№¤■ ';
+	'рстуфхцчшщъыьэюяЁёЄєЇїЎў°∙·√№¤■ ';
 const CP1251 = "⌂"+
 	"ЂЃ‚ѓ„…†‡€‰Љ‹ЊЌЋЏђ‘’“”•–—・™љ›њќћџ"+
-	" ЎўЈ¤Ґ¦§Ё©Є«¬­®Ї°±Ііґµ¶·ё№є»јЅѕї"+
+	" ЎўЈ¤Ґ¦§Ё©Є«¬­®Ї°±Ііґµ¶·ё№є»јЅѕї"+
 	"АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ"+
 	"абвгдежзийклмнопрстуфхцчшщъыьэюя";
 const CP1252 = "⌂"+ //aka. Western aka. ISO-8859-1
 	"€・‚ƒ„…†‡ˆ‰Š‹Œ・Ž・・‘’“”•–—˜™š›œ・žŸ"+
-	" ¡¢£¤¥¦§¨©ª«¬・®¯°±²³´µ¶·¸¹º»¼½¾¿"+
+	" ¡¢£¤¥¦§¨©ª«¬・®¯°±²³´µ¶·¸¹º»¼½¾¿"+
 	"ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞß"+
 	"àáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ";
 const KOI8R = "⌂"+ //aka. RFC 1489, Morse code based
-	'─│┌┐└┘├┤┬┴┼▀▄█▌▐░▒▓⌠■∙√≈≤≥ ⌡°²·÷'+
+	'─│┌┐└┘├┤┬┴┼▀▄█▌▐░▒▓⌠■∙√≈≤≥ ⌡°²·÷'+
 	'═║╒ё╓╔╕╖╗╘╙╚╛╜╝╞╟╠╡Ё╢╣╤╥╦╧╨╩╪╫╬©'+
 	'юабцдефгхийклмнопярстужвьызшэщчъ'+
 	'ЮАБЦДЕФГХИЙКЛМНОПЯРСТУЖВЬЫЗШЭЩЧЪ';
@@ -93,12 +93,12 @@ const JISX0201 = "⌂"+
 	"àáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ";
 const CPAmiga = "⫽"+ // alternatively, "▒""
 	"абвгдежзийклмнопрстуфхцчшщъыьэюя"+ //0x80~0x9F display Cyrillics, just to fill the void
-	" ¡¢£¤¥¦§¨©ª«¬–®¯°±²³´µ¶·¸¹º»¼½¾¿"+
+	" ¡¢£¤¥¦§¨©ª«¬–®¯°±²³´µ¶·¸¹º»¼½¾¿"+
 	"ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞß"+
 	"àáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ";
 const CPRISCOS = "⌂"+
 	"€Ŵŵ◰﯀Ŷŷ�⇦⇨⇩⇧…™‰•‘’‹›“”„–—−Œœ†‡fifl"+
-	" ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿"+
+	" ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿"+
 	"ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞß"+
 	"àáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ";
 const CPAtariST = "⌂"+
@@ -118,7 +118,16 @@ const CPSpeccy = ['©', //too SPECIAL with all the tokens-for-characters, gotta
 const Chars0to1F = "・☺☻♥♦♣♠•◘○◙♂♀♪♫☼►◄↕‼¶§▬↨↑↓→←∟↔▲▼"; //#0 is a small dot from Japanese
 const Chars0to1FLF = "・☺☻♥♦♣♠•◘○\x0A♂♀♪♫☼►◄↕‼¶§▬↨↑↓→←∟↔▲▼";
 const Chars0to1FCRLF = "・☺☻♥♦♣♠•◘○\x0A♂♀\x0D♫☼►◄↕‼¶§▬↨↑↓→←∟↔▲▼";
-const Chars0to1FSpeccy = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F"; //not mixing... // emit errors on the latest js
+const Chars0to1FSpeccy = "\0\1\2\3\4\5，📝⬅➡⬇⬆⌫\x0A№\x0F\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F"; //not mixing...
+
+
+// a replacement for the duration of the regression in File.readBytes:
+function readU8Array(offset,length,ztospace) {
+	if(typeof ztospace === 'undefined') ztospace = false;
+	var r = [];
+	for(var i=0; i < length; i++) r.push(ztospace==0? X.U8(offset+i): X.U8(offset+i) > 0? X.U8(offset+i): 0x20);
+	return r
+}
 
 /**
  * Decode a 1-byte encoding from a byte array using the 128-byte-long table given,
@@ -170,7 +179,7 @@ function decEncoding(ansi, dectbl, zstop, tbl01F) {
  * @returns {String} a string value usable with js.
  */
 function decAnsi(ofs, len, dectbl, zstop, tbl01F) {
-	return(decEncoding(X.readBytes(ofs,len), dectbl, zstop, tbl01F))
+	return(decEncoding(readU8Array(ofs,len), dectbl, zstop, tbl01F))
 }
 
 
@@ -640,30 +649,6 @@ function toBase64(buf) {
 	return r
 }
 
-/**
- * If it's an Amiga hunk file, proceeds to process hunks
- * @returns {Int} -1 in case of errors, otherwise expected size
- */
-function calcAmigaFileSize() {
-	if(!X.c("000003F3")) return -1; //is it an Amiga hunk file?
-	var p = 4, x = sz = i = reslibs = 0, sizes = [], load = true;
-	//library strings:
-	while(p < X.Sz()) {
-		x = X.U32(4,_BE); p += 4; if(!reslibs && x) load = false; if(x) reslibs++; else break; p += 4*x
-	}
-	var hunks = X.U32(p+8,_BE) - X.U32(p+4,_BE) + 1; p += 12;
-sOption(hunks+' hunks')
-	//hunk table:
-	for(i=0; i < hunks && p < X.Sz(); i++,p+=4) {
-		var t = X.U32(p,_BE), add = (t>>30) == 3? 4: 0; t &= 0x3FFFFFFF; t <<= 2; t += add;
-_log('@'+Hex(p)+' hunk#'+i+' = '+Hex(t));
-		sizes.push(t); sz += t
-	}
-	//traverse hunks:
-	sz += p; //if(sz >= X.Sz()) return -1;
-	return sz
-}
-
 function _logBase64(buf) { //simply plops the buffer contents into log stream with a suitable MIME header
 	var fn = File.getFileBaseName()+'.'+File.getFileCompleteSuffix();
 	_log('MIME-Version: 1.0\nContent-Type: application/octet-stream; name="'+fn+'.dec"\n'+
@@ -684,7 +669,7 @@ function _logText(buf) { //same but as text put through CP866, or all file with
 	if(typeof buf === 'object') {
 		var bf = buf, i = 0; for(; i < buf.length; i++) if(bf[i] == 0) bf[i] = 0x20
 	}
-	_log(decEncoding((typeof buf === 'undefined'? X.readBytes(0,X.Sz(),true): bf), CP866, Chars0to1F));
+	_log(decEncoding((typeof buf === 'undefined'? readU8Array(0,X.Sz(),true): bf), CP866, Chars0to1F));
 	_log('--->8-')
 }