diff options
Diffstat (limited to 'src/alloc.h')
| -rw-r--r-- | src/alloc.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/alloc.h b/src/alloc.h index 004e6ec..770adba 100644 --- a/src/alloc.h +++ b/src/alloc.h @@ -16,9 +16,13 @@ void *bufalloc(void *ptr, size_t nmemb, size_t size) /* Allocate a buffer of NMEMB elements of size SIZE with alignment ALIGN using the arena-allocator A. */ void *arena_alloc(arena *a, size_t nmemb, size_t size, size_t align) - __attribute__((returns_nonnull, warn_unused_result, malloc, + __attribute__((returns_nonnull, nonnull, warn_unused_result, malloc, alloc_size(2, 3), alloc_align(4))); +void *_arena_grow(arena *a, void *ptr, size_t old_nmemb, size_t new_nmemb, + size_t size, size_t align) + __attribute__((returns_nonnull, nonnull, warn_unused_result)); + /* Deallocate all memory associated with the arena A. */ void arena_free(arena *a) __attribute__((nonnull)); @@ -26,4 +30,7 @@ void arena_free(arena *a) /* Allocate a buffer of N elements of type T using the arena-allocator A. */ #define arena_new(a, T, n) ((T *)arena_alloc((a), (n), sizeof(T), alignof(T))) +#define arena_grow(a, p, T, on, nn) \ + ((T *)_arena_grow((a), (p), (on), (nn), sizeof(T), alignof(T))) + #endif /* !ORYX_ALLOC_H */ |