private unsafe IList<IntPtr> FindOutOfProcess(IntPtr begin, IntPtr end, IBotProcessContext context, int maxMatchCount, IPatternAlgorithm algorithm)
{
byte* b = (byte*)begin;
byte* e = (byte*)end;
IList<IntPtr> matches = new List<IntPtr>(maxMatchCount);
int byteCount = (int)(e - b);
byte[] buffer = context.Memory.ReadBytes(begin, byteCount);
fixed (byte* buf = buffer)
{
byte* bufEnd = buf + buffer.Length;
byte* cur = buf;
while (matches.Count < maxMatchCount && cur < bufEnd)
{
IntPtr match = algorithm.Apply(_pattern, _mask, cur, bufEnd);
if (match == IntPtr.Zero)
{
break;
}
int delta = (int)((byte*)match - buf);
matches.Add(begin + delta);
cur = (byte*)match + 1;
}
}
return matches;
}
private unsafe IList<IntPtr> FindInProcess(IntPtr begin, IntPtr end, int maxMatchCount, IPatternAlgorithm algorithm)
{
byte* b = (byte*)begin + _trimmedWildcardsOffset;
byte* e = (byte*)end;
IList<IntPtr> matches = new List<IntPtr>(maxMatchCount);
while (matches.Count < maxMatchCount && b < e)
{
IntPtr match = algorithm.Apply(_pattern, _mask, b, e);
if (match == IntPtr.Zero)
{
break;
}
match -= _trimmedWildcardsOffset;
matches.Add(match);
b = (byte*)match + 1;
}
return matches;
}