3 ms·
Semi-experienced C user here, I believe the anonymous block is perfectly adequate here. No idea why they are wrapping it in a single instance do loop, unless th
by deaddodo 6y ago
Semi-experienced C user here, I believe the anonymous block is perfectly adequate here. No idea why they are wrapping it in a single instance do loop, unless they’re unaware of block scoping or I’m unaware of some UB here.
- btrask 6y agodo {} while(0) is a common idiom for macros in C, because it consumes the trailing semicolon, which a bare {} block doesn't do. if(x) MACRO(); else something(); expands to if(x) { ... }; // Error! else something();