May 8, 2012 · I am fairly new to C programming, and I encountered bit masking. What is the general concept and function of bit masking? Examples are much appreciated.

Sep 8, 2009 · I was facing this unique problem of generating a bit-mask based on the input parameter. For example, if param = 2, then the mask will be 0x3 (11b) if param = 5, then the mask will be 0x1F …

Sep 3, 2013 · How do I use it in C++? When is it useful to use? What would be an example of a problem where a bitmask is used to see how it actually works?

One other really good reason to use a bitmask vs individual bools is as a web developer, when integrating one website to another, we frequently need to send parameters or flags in the querystring.

Jan 26, 2016 · I know that you can bitmask by ANDing a value with 0. However, how can I both bitmask certain nibbles and maintain others. In other words if I have 0x000f0b7c and I wanted to mask the …

What is the best way to construct a bit mask in C with m set bits preceded by k unset bits, and followed by n unset bits: 00..0 11..1 00..0 k m n For example, k=1, m=4, n=3 would result ...

Apr 8, 2022 · void make_bitmask(unsigned int width, unsigned int shift,unsigned int *mask) { /* With unlimited arithmetic, (1 << width) - 1 would give us a mask of width bits, starting at the low bit …

Mar 15, 2012 · A bitmask is an integer type that is used to "mask" certain bits when performing bitwise operations. For example, the bitmask 0xFFFFFFFF might be used to mask a 32-bit unsigned value …

Mar 9, 2016 · I understand it's possible to use bitmasks in enum values, but I don't know how to create it. I have a simple enum : enum State { minimizing = 0, maximizing, minimized, maximized...

Apr 12, 2015 · The result value for the operator & is the bitwise AND of the operand values. It means that when applied to two integers (in binary representation), it will result in an integer where each bit …