public unsafe void Write(byte *pBuffer, long count)
{
Validate.Begin().IsNotNull(((void *)pBuffer), "pBuffer").IsNotNegative(count, "count").Check();
long num = this.position + count;
if (num < 0L)
{
throw new IOException($"stream too long, this.position + count = {this.position} + {count} = {num}");
}
if (num > this.length)
{
bool flag = this.position > this.length;
if ((num > this.Capacity) && this.EnsureCapacity(num))
{
flag = false;
}
if (flag)
{
BufferUtil.ZeroMemory(this.buffer + ((byte *)this.length), num - this.length);
}
this.length = num;
}
byte *numPtr = this.buffer + ((byte *)this.position);
Buffer.MemoryCopy((void *)pBuffer, (void *)numPtr, this.bufferSize, count);
this.position += count;
}
public override unsafe void SetLength(long value)
{
Validate.IsNotNegative(value, "value");
if (!this.EnsureCapacity(value) && (value > this.length))
{
BufferUtil.ZeroMemory(this.buffer + ((byte *)this.length), value - this.length);
}
this.length = value;
if (this.position > value)
{
this.position = value;
}
}
public override unsafe void WriteByte(byte value)
{
if (this.position >= this.length)
{
long desiredCapacity = this.position + 1L;
bool flag = this.position > this.length;
if ((desiredCapacity >= this.Capacity) && this.EnsureCapacity(desiredCapacity))
{
flag = false;
}
if (flag)
{
BufferUtil.ZeroMemory(this.buffer + ((byte *)this.length), this.position - this.length);
}
this.length = desiredCapacity;
}
this.buffer[(int)this.position] = value;
this.position += 1L;
}