Populate83FileNameFromRandomBytes()

static unsafe void System.IO.Path.Populate83FileNameFromRandomBytes ( byte * bytes, int byteCount, Span< char > chars )

inlinestaticprivate

Definition at line 724 of file Path.cs.

    {
        byte b = *bytes;
        byte b2 = bytes[1];
        byte b3 = bytes[2];
        byte b4 = bytes[3];
        byte b5 = bytes[4];
        chars[11] = (char)Base32Char[bytes[7] & 0x1F];
        chars[0] = (char)Base32Char[b & 0x1F];
        chars[1] = (char)Base32Char[b2 & 0x1F];
        chars[2] = (char)Base32Char[b3 & 0x1F];
        chars[3] = (char)Base32Char[b4 & 0x1F];
        chars[4] = (char)Base32Char[b5 & 0x1F];
        chars[5] = (char)Base32Char[((b & 0xE0) >> 5) | ((b4 & 0x60) >> 2)];
        chars[6] = (char)Base32Char[((b2 & 0xE0) >> 5) | ((b5 & 0x60) >> 2)];
        b3 >>= 5;
        if ((b4 & 0x80u) != 0)
        {
            b3 = (byte)(b3 | 8u);
        }
        if ((b5 & 0x80u) != 0)
        {
            b3 = (byte)(b3 | 0x10u);
        }
        chars[7] = (char)Base32Char[b3];
        chars[8] = '.';
        chars[9] = (char)Base32Char[bytes[5] & 0x1F];
        chars[10] = (char)Base32Char[bytes[6] & 0x1F];
    }

References System.IO.Path.Base32Char, System.bytes, and System.chars.

Referenced by System.IO.Path.GetRandomFileName().