diff options
Diffstat (limited to 'src/langext.h')
| -rw-r--r-- | src/langext.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/langext.h b/src/langext.h index ef0f18d..8d3ee6e 100644 --- a/src/langext.h +++ b/src/langext.h @@ -8,6 +8,8 @@ #define ssizeof(x) ((ssize)sizeof(x)) #define countof(x) (ssizeof(x) / ssizeof(*x)) +#undef unreachable // C23 stddef.h; prefer the non-function-like look of ours. + #if defined(__GNUC__) || defined(__clang__) #define if_hot(x) if (__builtin_expect(!!(x), 1)) #define if_cold(x) if (__builtin_expect(!!(x), 0)) @@ -44,6 +46,7 @@ #define switch_exhaust_enum(E, x) switch_exhaust ((enum E)(x)) #endif +// could do [[noreturn]] in future, _Noreturn probably supports more compilers. #define noreturn _Noreturn void #ifdef _WIN32 |