/// <summary>
/// Compare a buffer and a byte array for equality.
/// </summary>
/// <param name="buffer">The buffer.</param>
/// <param name="offset">The offset into the left buffer.</param>
/// <param name="compare">The compare byte array.</param>
/// <returns>True if the buffers are equal.</returns>
public static bool EqualBuffer(this SafeBuffer buffer, int offset, byte[] compare)
{
using (var compare_buffer = compare.ToBuffer())
{
return(buffer.EqualBuffer(offset, compare_buffer, 0, compare.Length));
}
}
/// <summary>
/// Find a byte array in a buffer. Returns all instances of the compare array.
/// </summary>
/// <param name="buffer">The buffer to find the data in.</param>
/// <param name="start_offset">Start offset in the buffer.</param>
/// <param name="compare">The comparison byte array.</param>
/// <returns>A list of offsets into the buffer where the compare was found.</returns>
public static IEnumerable <int> FindBuffer(this SafeBuffer buffer, int start_offset, byte[] compare)
{
using (var compare_buffer = compare.ToBuffer()) {
int max_length = buffer.GetLength() - compare.Length - start_offset;
for (int i = 0; i < max_length; ++i)
{
if (buffer.EqualBuffer(start_offset + i, compare_buffer, 0, compare.Length))
{
yield return(i + start_offset);
}
}
}
}