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68 lines
1.4 KiB
ObjectPascal
68 lines
1.4 KiB
ObjectPascal
{ %VERSION=1.1 }
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{%OPT=-Og}
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{ This verifies if the strings are
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correctly aligned, normally the generated assembler
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should be verified manually.
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I consider this test as flawed, or is there a reason, why a
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shortstring should be aligned to pointer boundaries? (FK)
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}
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program talign2;
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{$ifdef fpc}
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{$mode objfpc}
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{$define haswidestring}
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{$else}
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{$ifndef ver70}
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{$define haswidestring}
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{$endif}
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{$endif}
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{$ifdef fpc}
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{$ifdef unix}
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uses
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cwstring;
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{$endif}
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{$endif}
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procedure test(b : boolean);
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begin
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if b then exit;
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WriteLn('Error in length/alignment!!');
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halt(1);
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end;
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var
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pt: pchar;
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const
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b: byte = 0; { lets just misalign the stuff }
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p : pchar = 'simple pchar stuff';
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ansistr : ansistring = 'simple ansistring';
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{$ifdef haswidestring}
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widestr : widestring = 'simple widestring';
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{$endif}
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shortstr :shortstring = 'simple shortstring';
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begin
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test(length(ansistr)=17);
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{$ifdef haswidestring}
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test(length(widestr)=17);
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{$endif}
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test(length(shortstr)=18);
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{ verify if the address are correctly aligned! }
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pt:=@shortstr;
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test((ptruint(pt) mod sizeof(pointer))=0);
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pt:=p;
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test((ptruint(pt) mod sizeof(pointer))=0);
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pt:=pchar(ansistr);
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test((ptruint(pt) mod sizeof(pointer))=0);
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{$ifdef haswidestring}
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pt:=pchar(widestr);
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{$ifdef FPC_WINLIKEWIDESTRING}
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test((ptruint(pt) mod 4)=0);
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{$else FPC_WINLIKEWIDESTRING}
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test((ptruint(pt) mod sizeof(pointer))=0);
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{$endif FPC_WINLIKEWIDESTRING}
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{$endif}
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end.
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