ulong ReadStreamULong(this Stream stream, int offset, bool little)
{
#if SAFE_CAST
byte[] intBytes = new byte[8];
stream.Position = offset;
stream.Read(intBytes, 0, intBytes.Length);
if (BitConverter.IsLittleEndian != little)
{
Reverse(intBytes, 0, intBytes.Length);
}
fixed(byte *bs = intBytes)
{
uint *c = (uint *)bs;
return(*c);
}
#else
if (BitConverter.IsLittleEndian == little)
{
ULongField fs = new ULongField(stream, offset);
return(fs.ULongVal);
}
else
{
RULongField fs = new RULongField(stream, offset);
return(fs.ULongVal);
}
#endif
}
void WriteStreamULong(this Stream stream, int offset, ulong value, bool little)
{
#if SAFE_CAST
byte[] intBytes = new byte[8];
fixed(byte *bs = intBytes)
{
ulong *c = (ulong *)bs;
*c = value;
if (BitConverter.IsLittleEndian != little)
{
Reverse8(c);
}
}
stream.Position = offset;
stream.Write(intBytes, 0, intBytes.Length);
#else
if (BitConverter.IsLittleEndian == little)
{
ULongField fs = new ULongField(value);
fs.Fill(stream, offset);
}
else
{
RULongField fs = new RULongField(value);
fs.Fill(stream, offset);
}
#endif
}
void WriteULong(this byte[] arr, int offset, ulong value, bool little)
{
#if SAFE_CAST
fixed(byte *bs = arr)
{
ulong *target = (ulong *)(bs + offset);
(*target) = value;
}
if (BitConverter.IsLittleEndian != little)
{
Reverse(arr, offset, 8);
}
#else
if (BitConverter.IsLittleEndian == little)
{
ULongField fs = new ULongField(value);
fs.Fill(arr, offset);
}
else
{
RULongField fs = new RULongField(value);
fs.Fill(arr, offset);
}
#endif
}
ulong ReadULong(this byte[] arr, int offset, bool little)
{
#if SAFE_CAST
#if PROFILER
Profiler.BeginSample("ReadULong");
#endif
ulong val;
fixed(byte *bytes = arr)
{
byte *databytes = bytes + offset;
val = *((ulong *)databytes);
}
if (BitConverter.IsLittleEndian != little)
{
Reverse8(&val);
}
#if PROFILER
Profiler.EndSample();
#endif
return(val);
#else
if (BitConverter.IsLittleEndian == little)
{
ULongField fs = new ULongField(arr, offset);
return(fs.ULongVal);
}
else
{
RULongField fs = new RULongField(arr, offset);
return(fs.ULongVal);
}
#endif
}