message: feat(runtime-c-api) `wasmer_memory_data` returns `NULL` if `memory` is NULL.
diff: @@ -4,7 +4,7 @@ use crate::{
  error::{update_last_error, CApiError},
  wasmer_limits_t, wasmer_result_t,
  };
  -use std::cell::Cell;
  +use std::{cell::Cell, ptr};
  use wasmer_runtime::Memory;
  use wasmer_runtime_core::{
  types::MemoryDescriptor,
  @@ -172,8 +172,13 @@ pub extern "C" fn wasmer_memory_length(memory: *const wasmer_memory_t) -> u32 {
  /// ```
  #[allow(clippy::cast_ptr_alignment)]
  #[no_mangle]
  -pub extern "C" fn wasmer_memory_data(mem: *const wasmer_memory_t) -> *mut u8 {
  - let memory = unsafe { &*(mem as *const Memory) };
  +pub extern "C" fn wasmer_memory_data(memory: *const wasmer_memory_t) -> *mut u8 {
  + if memory.is_null() {
  + return ptr::null_mut();
  + }
  +
  + let memory = unsafe { &*(memory as *const Memory) };
  +
  memory.view::<u8>()[..].as_ptr() as *mut Cell<u8> as *mut u8
  }
  