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* arithmetic overflow bugfix

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This commit is contained in:
carl 2002-03-13 17:29:50 +00:00
parent e50554bfee
commit 9073fd16bf
1 changed files with 5 additions and 1 deletions
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6
packages/extra/unzip/unzip.pp
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@ -539,6 +539,7 @@ PROCEDURE UpdateCRC ( VAR s : iobuf;len : word );
VAR i : word;
BEGIN
{$ifndef assembler}
If len = 0 then exit;
FOR i := 0 TO Pred ( len ) DO BEGIN
{ update running CRC calculation with contents of a buffer }
crc32val := crc_32_tab [ ( byte ( crc32val ) XOR s [ i ] ) AND $ff ] XOR ( crc32val SHR 8 );
@ -3331,7 +3332,10 @@ BEGIN
END.
{
$Log$
Revision 1.1 2002-01-29 17:55:23 peter
Revision 1.2 2002-03-13 17:29:50 carl
* arithmetic overflow bugfix
Revision 1.1 2002/01/29 17:55:23 peter
* splitted to base and extra
Revision 1.2 2001/05/18 23:24:42 peter