BitMaskSet

Returns number bitwise masked with length bits of mask beginning from start.

Syntax

BitMaskSet(number, mask, start, length)

number

Long integer to be masked.

mask

Long integer specifying the mask.

start

Integer specifying the starting bit in number for masking.

length

Integer specifying the length of mask.

Usage

Parameters start and length must be in the range from 0 to 31.

Bit functions operate on 32-bit integers.

Examples

<!--- This example shows BitMaskSet --->
<HTML>
<HEAD>
<TITLE>BitMaskSet Example</TITLE>
</HEAD>

<BODY>
<H3>BitMaskSet Example</H3>

<P>Returns number bitwise masked with length
bits of mask beginning from start.

<P>BitMaskSet(255, 255, 4, 4): <CFOUTPUT>#BitMaskSet(255, 255, 4, 4)#
</CFOUTPUT>
<P>BitMaskSet(255, 0, 4, 4): <CFOUTPUT>#BitMaskSet(255, 0, 4, 4)#
</CFOUTPUT>
<P>BitMaskSet(0, 15, 4, 4): <CFOUTPUT>#BitMaskSet(0, 15, 4, 4)#
</CFOUTPUT>

</BODY>
</HTML>

CFML Language Reference
Chapter 2 : ColdFusion Functions