Write a C program called bitflip to run on ocelot which will flip bits in an unsigned integer using the binary representation of the number. The user should input the original integer value between 1 and 20000 inclusive on the command line as well as the desired options. Use an unsigned integer type uint16_t. Output is to the screen or to a file. You must use only bitwise operators for this program. You can shift bits and or use the logical bitwise operators. usage: bitflip [-e] [-f] [-a] [-s] [-o outputfilename] intval Output the new integer number(s) depending on which options are requested (all aperations done on the original intval). Do not use any break or continue statements other than in the switch. You should use getopt for this program to identify the options. The program will always print the starting value on the first line of output and each other value on a new line, clearly identifying it. If the -e option is selected then flip all even bits. If the -f option is selected then flip all odd bits. If the -a option is selected then flip all bits. If the -s option is selected then take the bits and switch them around from right to left. (The rightmost bit becomes the leftmost bit. If the -o option is selected then print the output to an output file instead of to the screen. If an option is included more than once, you can ignore duplicates.
Directions:
Typing make at the command line should create executable named bitflip.
Only bitflip.c and Makefile are included in the input unless permission is given for any other files.
Code should be readable with good variable and function names.
No use of "break or continue statements" except in a switch.
Program must exit with a return code of 0 on success and an error code in other cases.
The program used getopt to parse the command line.
Whenever an error occurs on the command line the user is given the usage statement and an appropriate error message if needed.
If the -o option is used the output will go to a file named as specified without changing the filename at all otherwise it will go to stdout.
-e option works as specified using bitwise operations.
-f option works as specified using bitwise operations.
-a option works as specified using bitwise operations.
-s option works as specified using bitwise operations.
Program outputs only the original value if none of the bitwise options are included.
Program should work as specified with no additional changes or output.
Write a C program called bitflip to run on ocelot which will flip bits in an unsigned integer using the binary representation of the number. The user should input the original integer value between 1 and 20000 inclusive on the command line as well as the desired options. Use an unsigned integer type uint16_t. Output is to the screen or to a file. You must use only bitwise operators for this program. You can shift bits and or use the logical bitwise operators.
usage: bitflip [-e] [-f] [-a] [-s] [-o outputfilename] intval
Output the new integer number(s) depending on which options are requested (all aperations done on the original intval). Do not use any break or continue statements other than in the switch.
- You should use getopt for this program to identify the options.
- The program will always print the starting value on the first line of output and each other value on a new line, clearly identifying it.
- If the -e option is selected then flip all even bits.
- If the -f option is selected then flip all odd bits.
- If the -a option is selected then flip all bits.
- If the -s option is selected then take the bits and switch them around from right to left. (The rightmost bit becomes the leftmost bit.
- If the -o option is selected then print the output to an output file instead of to the screen.
- If an option is included more than once, you can ignore duplicates.
Code should be nicely indented and commented.
Create a simple Makefile to compile your program into an executable called bitflip.
A sample of a run of the program could be something like this:
jdoe@ocelot:~/ 135% bitflip -s -a -e -f 391
Value: 391
Even bits flipped: 21714
Odd bits flipped: 43821
All bits flipped: 65144
Switched all bits: 57728
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