WebDec 3, 2009 · If you really need a value with exactly 16 bits: Solution 1: Use the available signed short and stop worrying about the sign, unless you need to do comparison (<, <=, >, >=) or division (/, %, >>) operations. See this answer for how to handle signed numbers as if they were unsigned.. Solution 2 (where solution 1 doesn't apply): Use the lower 16 bits … WebMay 21, 2013 · The bit shift above has a bug: unsigned short p = (packetBuffer[1] << 8) packetBuffer[2]; if packetBuffer is in bytes (8 bits wide) then the above shift can and will turn packetBuffer into a zero, leaving you with only packetBuffer[2]; Despite that this is still preferred to pointers. To avoid the above problem, I waste a few lines of code ...
How to XOR all of the bits of a single number in C?
WebJan 20, 2016 · As you can see, int-> short yields the lower 16 bits, as expected. Casting short to int yields the short with the 16 high bits set. However, I suspect this is implementation specific and undefined behavior. You're essentially interpreting 16 bits of memory as an integer, which reads 16 extra bits of whatever rubbish happens to be … WebFor scanf, you need to use %hu since you're passing a pointer to an unsigned short. For printf, it's impossible to pass an unsigned short due to default promotions (it will be promoted to int or unsigned int depending on whether int has at least as many value bits as unsigned short or not) so %d or %u is fine. small woven easter baskets
binary - C reverse bits in unsigned integer - Stack Overflow
WebIn C and C++. unsigned = unsigned int (Integer type) signed = signed int (Integer type) An unsigned integer containing n bits can have a value between 0 and (2^n-1) , which is 2^n different values. An unsigned integer is either positive or zero. Signed integers are stored in a computer using 2's complement. WebOct 5, 2024 · Verbosely, here it goes: As a direct answer; both of them stores the bytes of a variable inside an array of bytes, from left to right. tonet_short does that for unsigned short variables, which consist of 2 bytes; and tonet_long does it for unsigned long variables, which consist of 4 bytes.. I will explain it for tonet_long, and tonet_short will just be the … WebJan 10, 2024 · Your unsigned short is integer promoted to an int on a 32 bit system. This allows to shift beyond the 16 bits of an unsigned short, but if you discard those extra bits by saving the result in an unsigned short, you end up with this: 383 = 0x17F 0x17f << 11 = 0xBF800 0xBF800 truncated to 16 bits = 0xF800 = 63488 0xF800 >> 15 = 0x1 small woven decorative basket