diff options
Diffstat (limited to 'src/basicmacros.h')
| -rw-r--r-- | src/basicmacros.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/basicmacros.h b/src/basicmacros.h index cebf06043..2a30a31d2 100644 --- a/src/basicmacros.h +++ b/src/basicmacros.h @@ -38,4 +38,9 @@ with this program; if not, write to the Free Software Foundation, Inc., C(const C &); \ C &operator=(const C &) +// Fail compilation if condition expr is not met. +// Note that 'msg' must follow the format of a valid identifier, e.g. +// STATIC_ASSERT(sizeof(foobar_t) == 40), foobar_t_is_wrong_size); +#define STATIC_ASSERT(expr, msg) typedef char msg[!!(expr) * 2 - 1] + #endif |