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System, method and computer program product for removing null values during scanning

  • US 8,627,099 B2
  • Filed: 08/01/2005
  • Issued: 01/07/2014
  • Est. Priority Date: 08/01/2005
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • receiving a set of data values at a computer, which includes a processor;

    determining if a threshold is met before removing null values;

    removing the null values between the data values such that the data values are made contiguous and shorter;

    evaluating a size of the data values after the null values have been removed;

    scanning the set of data values with the null values removed to identify unwanted data in the computer, wherein an offset is utilized for determining a location in the set of data values where the scanning is to start, and wherein the offset matches the location in the set of data values with a first portion of a virus signature; and

    collapsing at least a portion of whitespace within text-based files corresponding to the set of data values such that certain sequences of whitespace characters are replaced by a single whitespace character.

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