/// <summary>
/// Sets buffers to a specified value
/// </summary>
/// <remarks>
/// Sets the first length values of dest to the value "c".
/// Make sure that the destination buffer has enough room for at least length characters.
/// </remarks>
/// <param name="dest">Destination pointer.</param>
/// <param name="c">Value to set.</param>
/// <param name="length">Number of bytes to set.</param>
public static void Set(BufferBase dest, byte c, int length)
{
#if !AXIOM_SAFE_ONLY
unsafe
#endif
{
var ptr = dest.ToBytePointer();
for (var i = 0; i < length; i++)
{
ptr[i] = c;
}
}
}
public override void Copy(BufferBase src, int srcOffset, int destOffset, int length)
{
base.Copy(src, srcOffset, destOffset, length);
unsafe
{
if (src is ManagedBuffer)
{
Marshal.Copy((src as ManagedBuffer).Buf, (src as ManagedBuffer).IdxPtr + srcOffset,
(IntPtr)(this.PtrBuf + destOffset), length);
}
else if (src is UnsafeBuffer)
{
var pSrc = src.ToBytePointer();
var pDest = this.ToBytePointer();
//Following code snippet was taken from http://msdn.microsoft.com/en-us/library/28k1s2k6(v=vs.80).aspx
var ps = pSrc + srcOffset;
var pd = pDest + destOffset;
// Loop over the count in blocks of 4 bytes, copying an integer (4 bytes) at a time:
for (var i = 0; i < length / 4; i++)
{
*((int *)pd) = *((int *)ps);
pd += 4;
ps += 4;
}
// Complete the copy by moving any bytes that weren't moved in blocks of 4:
for (var i = 0; i < length % 4; i++)
{
*pd = *ps;
pd++;
ps++;
}
}
}
}