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47 lines
1.2 KiB
ObjectPascal
47 lines
1.2 KiB
ObjectPascal
{ Source provided for Free Pascal Bug Report 2300 }
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{ Submitted by "Sergey Kosarevsky" on 2002-12-30 }
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{ e-mail: netsurfer@au.ru }
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Unit tw2300;
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Interface
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Const LONG_STR_SIZE=4096;
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Type tLongStr=Object
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LStr:Array[1..LONG_STR_SIZE] Of Char;
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LLength:Longint;
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End;
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Operator := (S:String) R:tLongStr;
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Operator := (S:tLongStr) R:pChar;
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Operator + (S1:tLongStr;S2:String) R:tLongStr;
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Operator + (S1:String;S2:tLongStr) R:tLongStr;
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Operator + (S1:tLongStr;S2:pChar ) R:tLongStr;
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Implementation
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Operator := (S:String) R:tLongStr;
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Begin
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R.LLength:=Length(S);
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Move(S[1],R.LStr[1],Length(S));
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End;
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Operator := (S:tLongStr) R:pChar;
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Begin
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S.LStr[S.LLength+1]:=#0;
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R:=pChar(@(S.LStr[1]));
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End;
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Operator + (S1:tLongStr;S2:String) R:tLongStr;
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Begin
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R.LLength:=S1.LLength+Length(S2);
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Move(S1.LStr[1],R.LStr[1],S1.LLength);
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Move(S2[1],R.LStr[S1.LLength+1],Length(S2));
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End;
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Operator + (S1:String;S2:tLongStr) R:tLongStr;
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Begin
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R.LLength:=Length(S1)+S2.LLength;
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Move(S1[1],R.LStr[1],Length(S1));
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Move(S2.LStr[1],R.LStr[Length(S1)+1],S2.LLength);
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End;
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Operator + (S1:tLongStr;S2:pChar) R:tLongStr;
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Begin
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R.LLength:=S1.LLength+StrLen(S2);
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Move(S1.LStr[1],R.LStr[1],S1.LLength);
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Move(S2^,R.LStr[S1.LLength+1],StrLen(S2));
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End;
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Begin
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End.
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