diff options
Diffstat (limited to 'src/wasm-vector.c')
| -rw-r--r-- | src/wasm-vector.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/wasm-vector.c b/src/wasm-vector.c index aa295705..596448c3 100644 --- a/src/wasm-vector.c +++ b/src/wasm-vector.c @@ -38,6 +38,25 @@ WasmResult wasm_ensure_capacity(WasmAllocator* allocator, return WASM_OK; } +WasmResult wasm_resize_vector(struct WasmAllocator* allocator, + void** data, + size_t* size, + size_t* capacity, + size_t desired_size, + size_t elt_byte_size) { + size_t old_size = *size; + WasmResult result = wasm_ensure_capacity(allocator, data, capacity, + desired_size, elt_byte_size); + if (result != WASM_OK) + return result; + if (desired_size > old_size) { + memset((void*)((size_t)*data + old_size * elt_byte_size), 0, + (desired_size - old_size) * elt_byte_size); + } + *size = desired_size; + return WASM_OK; +} + void* wasm_append_element(WasmAllocator* allocator, void** data, size_t* size, |