Created
January 20, 2020 02:45
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| // return `true` if the hex | |
| // word could be 0..255 if | |
| // interpreted as decimal | |
| bool | |
| maybe_octet(long word) | |
| { | |
| if(word > 0x255) | |
| return false; | |
| unsigned short d1 = | |
| (word >> 8) & 0xf; | |
| if(d1 > 2) | |
| return false; | |
| unsigned short d2 = | |
| (word >> 4) & 0xf;; | |
| if(d2 > 9) | |
| return false; | |
| unsigned short d3 = | |
| word & 0xf; | |
| if(d3 > 9) | |
| return false; | |
| return true; | |
| } |
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