mirror of https://github.com/nodejs/node.git
62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
#include <node_api.h>
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#include <stdlib.h>
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#include <string.h>
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#include "../../js-native-api/common.h"
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static const char theText[] =
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"Lorem ipsum dolor sit amet, consectetur adipiscing elit.";
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static void malignDeleter(napi_env env, void* data, void* finalize_hint) {
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NODE_API_ASSERT_RETURN_VOID(
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env, data != NULL && strcmp(data, theText) == 0, "invalid data");
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napi_ref finalizer_ref = (napi_ref)finalize_hint;
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napi_value js_finalizer;
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napi_value recv;
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NODE_API_CALL_RETURN_VOID(
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env, napi_get_reference_value(env, finalizer_ref, &js_finalizer));
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NODE_API_CALL_RETURN_VOID(env, napi_get_global(env, &recv));
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NODE_API_CALL_RETURN_VOID(
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env, napi_call_function(env, recv, js_finalizer, 0, NULL, NULL));
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NODE_API_CALL_RETURN_VOID(env, napi_delete_reference(env, finalizer_ref));
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}
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static napi_value malignFinalizerBuffer(napi_env env, napi_callback_info info) {
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size_t argc = 1;
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napi_value args[1];
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NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
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NODE_API_ASSERT(env, argc == 1, "Wrong number of arguments");
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napi_value finalizer = args[0];
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napi_valuetype finalizer_valuetype;
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NODE_API_CALL(env, napi_typeof(env, finalizer, &finalizer_valuetype));
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NODE_API_ASSERT(env,
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finalizer_valuetype == napi_function,
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"Wrong type of first argument");
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napi_ref finalizer_ref;
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NODE_API_CALL(env, napi_create_reference(env, finalizer, 1, &finalizer_ref));
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napi_value theBuffer;
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NODE_API_CALL(env,
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napi_create_external_buffer(env,
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sizeof(theText),
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(void*)theText,
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malignDeleter,
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finalizer_ref, // finalize_hint
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&theBuffer));
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return theBuffer;
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}
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static napi_value Init(napi_env env, napi_value exports) {
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napi_property_descriptor methods[] = {
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DECLARE_NODE_API_PROPERTY("malignFinalizerBuffer", malignFinalizerBuffer),
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};
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NODE_API_CALL(
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env,
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napi_define_properties(
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env, exports, sizeof(methods) / sizeof(methods[0]), methods));
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return exports;
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}
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NAPI_MODULE(NODE_GYP_MODULE_NAME, Init)
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