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» SmaugMuds » Bugfix Lists » SmaugFUSS Bugfix List » [Bug] compressEnd doesn't han...
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[Bug] compressEnd doesn't handle itself very well
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Post is unread #1 Apr 21, 2010 5:19 am
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Kayle
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JoinedMar 21, 2006

Bug: compressEnd doesn't handle itself very well.
Danger: Medium - Could contribute to rare issue of compressed streams becoming corrupted.
Found by: Nick Gammon
Fixed by: Nick Gammon

---

mccp.c

Replace the compressEnd function with:

bool compressEnd( DESCRIPTOR_DATA * d )
{
   unsigned char dummy[1];

   if( !d->mccp->out_compress )
      return TRUE;

   d->mccp->out_compress->avail_in = 0;
   d->mccp->out_compress->next_in = dummy;

   if( deflate( d->mccp->out_compress, Z_FINISH ) == Z_STREAM_END )
      process_compressed( d );   /* try to send any residual data */

   deflateEnd( d->mccp->out_compress );
   DISPOSE( d->mccp->out_compress_buf );
   DISPOSE( d->mccp->out_compress );

   return TRUE;
}
       
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