ArrowErrorCode ArrowSchemaDeepCopy()

in src/nanoarrow/schema.c [486:539]
45 lines of code
10 McCabe index (conditional complexity)

ArrowErrorCode ArrowSchemaDeepCopy(struct ArrowSchema* schema,
                                   struct ArrowSchema* schema_out) {
  ArrowSchemaInit(schema_out);

  int result = ArrowSchemaSetFormat(schema_out, schema->format);
  if (result != NANOARROW_OK) {
    schema_out->release(schema_out);
    return result;
  }

  schema_out->flags = schema->flags;

  result = ArrowSchemaSetName(schema_out, schema->name);
  if (result != NANOARROW_OK) {
    schema_out->release(schema_out);
    return result;
  }

  result = ArrowSchemaSetMetadata(schema_out, schema->metadata);
  if (result != NANOARROW_OK) {
    schema_out->release(schema_out);
    return result;
  }

  result = ArrowSchemaAllocateChildren(schema_out, schema->n_children);
  if (result != NANOARROW_OK) {
    schema_out->release(schema_out);
    return result;
  }

  for (int64_t i = 0; i < schema->n_children; i++) {
    result = ArrowSchemaDeepCopy(schema->children[i], schema_out->children[i]);
    if (result != NANOARROW_OK) {
      schema_out->release(schema_out);
      return result;
    }
  }

  if (schema->dictionary != NULL) {
    result = ArrowSchemaAllocateDictionary(schema_out);
    if (result != NANOARROW_OK) {
      schema_out->release(schema_out);
      return result;
    }

    result = ArrowSchemaDeepCopy(schema->dictionary, schema_out->dictionary);
    if (result != NANOARROW_OK) {
      schema_out->release(schema_out);
      return result;
    }
  }

  return NANOARROW_OK;
}