macro: implement ABS via __builtin_imaxabs()

2025-05-06 17:39:01 +02:00
parent e9f9ddbfa8
commit c0239e5f11
2 changed files with 7 additions and 6 deletions
@@ -95,6 +95,7 @@ static inline int errno_or_else(int fallback) {
        return -ABS(fallback);
 }

+/* abs(3) says: Trying to take the absolute value of the most negative integer is not defined. */
 #define _DEFINE_ABS_WRAPPER(name)                         \
        static inline bool ERRNO_IS_##name(intmax_t r) {  \
                if (r == INTMAX_MIN)                      \