1 files changed, 21 insertions, 21 deletions
diff --git a/lowlevelunit.pas b/lowlevelunit.pas
index b9036e2..e87e383 100644
--- a/lowlevelunit.pas
+++ b/lowlevelunit.pas
@@ -171,9 +171,9 @@ function permutation(len,rest,maxBasis: longint; basen: tLongintArray): tLongint
 procedure llPermutation(len,offset: longint; var ar: tLongintArray); inline;
 procedure fuegeSortiertHinzu(x: extended; var xa: tExtendedArray);
 
-procedure readALine(var f: file; out s: string);
-procedure readAnAndorString(var f: file; out s: string; const len: int64; checkEOL: boolean); overload;
-procedure readAnAndorString(var f: file; out s: string; checkEOL: boolean); overload;
+function readALine(var f: file): string;
+function readAnAndorString(var f: file; const len: int64; checkEOL: boolean): string; overload;
+function readAnAndorString(var f: file; checkEOL: boolean): string; overload;
 
 procedure splitStrToInt(s: string; out ia: tLongintArray);
 function intArrayToStr(ia: tLongintArray): string;
@@ -1383,43 +1383,43 @@ begin
   xa[mi]:=x;
 end;
 
-procedure readALine(var f: file; out s: string);
+function readALine(var f: file): string;
 var
   fPos,fSize,rLen: int64;
 begin
   fPos:=filePos(f);
   fSize:=fileSize(f);
   rLen:=0;
-  s:='';
-  while (pos(#10,s)=0) and (rLen+fPos<fSize) do begin
+  result:='';
+  while (pos(#10,result)=0) and (rLen+fPos<fSize) do begin
     rLen:=min(rLen+1024,fSize-fPos);
-    setLength(s,rLen);
-    blockRead(f,s[1],rLen);
+    setLength(result,rLen);
+    blockRead(f,result[1],rLen);
     seek(f,fPos);
   end;
-  if pos(#10,s)<>0 then begin
-    rLen:=pos(#10,s);
-    setLength(s,rLen-1);
+  if pos(#10,result)<>0 then begin
+    rLen:=pos(#10,result);
+    setLength(result,rLen-1);
   end;
   seek(f,fPos+rLen);
 end;
 
-procedure readAnAndorString(var f: file; out s: string; const len: int64; checkEOL: boolean);
+function readAnAndorString(var f: file; const len: int64; checkEOL: boolean): string;
 begin
-  setLength(s,len+2*byte(checkEOL));
-  if length(s)>0 then
-    blockRead(f,s[1],length(s));
+  setLength(result,len+2*byte(checkEOL));
+  if length(result)>0 then
+    blockRead(f,result[1],length(result));
   if checkEOL then begin
-    if rightStr(s,2)<>' '#10 then
-      raise exception.create('readAnAndorString: EOL check failed: '''+s+'''!');
-    setLength(s,length(s)-2);
+    if rightStr(result,2)<>' '#10 then
+      raise exception.create('readAnAndorString: EOL check failed: '''+result+'''!');
+    setLength(result,length(result)-2);
   end;
 end;
 
-procedure readAnAndorString(var f: file; out s: string; checkEOL: boolean);
+function readAnAndorString(var f: file; checkEOL: boolean): string;
 begin
-  readALine(f,s);
-  readAnAndorString(f,s,strToInt64(s),checkEOL);
+  result:=readALine(f);
+  result:=readAnAndorString(f,strToInt64(result),checkEOL);
 end;
 
 procedure splitStrToInt(s: string; out ia: tLongintArray);