add data_writer_write_all

docs/changes.md

@@ -2,6 +2,7 @@
 
 2021/10/13
   * 增加函数str\_append\_n\_chars
+  * 增加函数data\_writer\_write\_all
 
 2021/10/12
   * 修复透明渐变窗口动画影响到顶层悬浮窗口的问题（感谢智明提供补丁）

src/tkc/data_writer.c

@@ -60,3 +60,14 @@ ret_t data_writer_clear(const char* url) {
 
   return ret;
 }
+
+int32_t data_writer_write_all(const char* url, const void* data, uint32_t size) {
+  int32_t s = 0;
+  data_writer_t* writer = data_writer_factory_create_writer(data_writer_factory(), url);
+  return_value_if_fail(writer != NULL, NULL);
+
+  s = data_writer_write(writer, 0, data, size);
+  data_writer_destroy(writer);
+
+  return s;
+}

src/tkc/data_writer.h

@@ -103,6 +103,18 @@ ret_t data_writer_destroy(data_writer_t* writer);
  */
 ret_t data_writer_clear(const char* url);
 
+/**
+ * @method data_writer_write_all
+ * 写入全部数据。
+ *
+ * @param {const char*} url URL。
+ * @param {const void*} data 数据缓冲区。
+ * @param {uint32_t} size 数据长度。
+ *
+ * @return {int32_t} 返回实际写入数据的长度。
+ */
+int32_t data_writer_write_all(const char* url, const void* data, uint32_t size);
+
 #define DATA_WRITER(writer) ((data_writer_t*)(writer))
 
 END_C_DECLS

tests/data_writer_wbuffer_test.cc

@@ -34,3 +34,20 @@ TEST(DataWriterWbuffer, wbuffer) {
   data_writer_factory_destroy(f);
   wbuffer_deinit(&wb);
 }
+
+TEST(DataWriterWbuffer, write_all) {
+  wbuffer_t wb;
+  char url[MAX_PATH + 1];
+  data_writer_factory_t* f = data_writer_factory_create();
+
+  wbuffer_init_extendable(&wb);
+  data_writer_wbuffer_build_url(&wb, url);
+
+  ASSERT_EQ(data_writer_factory_register(f, "wbuffer", data_writer_wbuffer_create), RET_OK);
+  ASSERT_EQ(data_writer_write_all(url, "hello world", 11u), 11);
+  ASSERT_EQ(wb.cursor, 11u);
+  ASSERT_EQ(memcmp(wb.data, "hello world", 11), 0);
+
+  data_writer_factory_destroy(f);
+  wbuffer_deinit(&wb);
+}