diff options
Diffstat (limited to 'src/shared/util.h')
| -rw-r--r-- | src/shared/util.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/shared/util.h b/src/shared/util.h index 08d556fc92..a1d5657237 100644 --- a/src/shared/util.h +++ b/src/shared/util.h @@ -852,6 +852,22 @@ int unlink_noerrno(const char *path); (void *) memset(_new_, 0, _len_); \ }) +#define alloca_align(size, align) \ + ({ \ + void *_ptr_; \ + size_t _mask_ = (align) - 1; \ + _ptr_ = alloca((size) + _mask_); \ + (void*)(((uintptr_t)_ptr_ + _mask_) & ~_mask_); \ + }) + +#define alloca0_align(size, align) \ + ({ \ + void *_new_; \ + size_t _size_ = (size); \ + _new_ = alloca_align(_size_, (align)); \ + (void*)memset(_new_, 0, _size_); \ + }) + #define strappenda(a, ...) \ ({ \ int _len = strlen(a); \ |