Putting parenthesis around an expression for clarity.
Nevertheless I still get a bogus compiler error:
| main.c: In function ‘main’: |
| main.c:1231:18: error: ‘rv’ may be used uninitialized in this function [-Werror=maybe-uninitialized] |
| return (rv >= 0 && rv < 0x70) ? rv : 1; |
| ^ |
WTF?