jt2594838 commented on code in PR #418:
URL: https://github.com/apache/tsfile/pull/418#discussion_r1972848266


##########
cpp/src/cwrapper/tsfile_cwrapper.h:
##########
@@ -109,94 +118,246 @@ typedef void* TsRecord;
 typedef void* ResultSet;
 
 typedef int32_t ERRNO;
-typedef int64_t timestamp;
+typedef int64_t Timestamp;
 
-#ifdef __cplusplus
-extern "C" {
-#endif
+/*--------------------------TsFile Reader and Writer------------------------ */
+
+/**
+ * @brief Creates a file for writing.
+ *
+ * @param pathname     Target file path to create.
+ * @param err_code     [out] E_OK(0), or check error code in errno_define.h.
+ *
+ * @return WriteFile Valid handle on success.
+ *
+ * @note Call free_write_file() to release resources.

Review Comment:
   Call tsfile_writer_close() before calling free_write_file()



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