private static unsafe string Ctor(sbyte *value, int startIndex, int length)
{
if (startIndex < 0)
{
throw new ArgumentOutOfRangeException(nameof(startIndex), SR.ArgumentOutOfRange_StartIndex);
}
if (length < 0)
{
throw new ArgumentOutOfRangeException(nameof(length), SR.ArgumentOutOfRange_NegativeLength);
}
if (value == null)
{
if (length == 0)
{
return(Empty);
}
ArgumentNullException.Throw(nameof(value));
}
byte *pStart = (byte *)(value + startIndex);
// overflow check
if (pStart < value)
{
throw new ArgumentOutOfRangeException(nameof(value), SR.ArgumentOutOfRange_PartialWCHAR);
}
return(CreateStringForSByteConstructor(pStart, length));
}
private static unsafe string Ctor(sbyte *value, int startIndex, int length, Encoding?enc)
{
if (enc == null)
{
return(new string(value, startIndex, length));
}
if (length < 0)
{
throw new ArgumentOutOfRangeException(nameof(length), SR.ArgumentOutOfRange_NeedNonNegNum);
}
if (startIndex < 0)
{
throw new ArgumentOutOfRangeException(nameof(startIndex), SR.ArgumentOutOfRange_StartIndex);
}
if (value == null)
{
if (length == 0)
{
return(Empty);
}
ArgumentNullException.Throw(nameof(value));
}
byte *pStart = (byte *)(value + startIndex);
// overflow check
if (pStart < value)
{
throw new ArgumentOutOfRangeException(nameof(startIndex), SR.ArgumentOutOfRange_PartialWCHAR);
}
return(enc.GetString(new ReadOnlySpan <byte>(pStart, length)));
}
