diff options
-rw-r--r-- | src/util/u_dynarray.h | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/src/util/u_dynarray.h b/src/util/u_dynarray.h index b30fd7b1154..769c3820546 100644 --- a/src/util/u_dynarray.h +++ b/src/util/u_dynarray.h @@ -77,21 +77,23 @@ util_dynarray_clear(struct util_dynarray *buf) #define DYN_ARRAY_INITIAL_SIZE 64 -static inline void * +MUST_CHECK static inline void * util_dynarray_ensure_cap(struct util_dynarray *buf, unsigned newcap) { if (newcap > buf->capacity) { - if (buf->capacity == 0) - buf->capacity = DYN_ARRAY_INITIAL_SIZE; - - while (newcap > buf->capacity) - buf->capacity *= 2; + unsigned capacity = MAX3(DYN_ARRAY_INITIAL_SIZE, buf->capacity * 2, newcap); + void *data; if (buf->mem_ctx) { - buf->data = reralloc_size(buf->mem_ctx, buf->data, buf->capacity); + data = reralloc_size(buf->mem_ctx, buf->data, capacity); } else { - buf->data = realloc(buf->data, buf->capacity); + data = realloc(buf->data, capacity); } + if (!data) + return 0; + + buf->data = data; + buf->capacity = capacity; } return (void *)((char *)buf->data + buf->size); |