Returns the integer created from length bits of number beginning from start.
BitMaskRead(number, start, length)
Parameter |
Description |
---|---|
number |
32-bit signed integer to mask |
start |
32-bit signed integer; the starting bit for reading |
length |
32-bit signed integer; the length of mask |
Bit functions operate on 32-bit signed integers, in the range -2147483648 to 2147483647.
<!--- This example shows BitMaskRead ---> <html> <head> <title>BitMaskRead Example</title> </head> <body> <H3>BitMaskRead Example</H3> <P>Returns integer created from length bits of number beginning with start. <P>BitMaskRead(255, 4, 4): <cfoutput>#BitMaskRead(255, 4, 4)# </cfoutput> <P>BitMaskRead(255, 0, 4): <cfoutput>#BitMaskRead(255, 0, 4)# </cfoutput> <P>BitMaskRead(128, 0, 7): <cfoutput>#BitMaskRead(128, 0, 7)# </cfoutput> </body> </html>