runtime config clean

include/lsl/common.h

@@ -227,3 +227,23 @@ extern LIBLSL_C_API double lsl_local_clock();
  * no free() method is available (e.g., in some scripting languages).
  */
 extern LIBLSL_C_API void lsl_destroy_string(char *s);
+
+/**
+ * Set the path of the configuration file to be used by liblsl.
+ *
+ * This must be called before any other LSL function; otherwise the setting
+ * has no effect, as the configuration is loaded lazily on first use.
+ * See also the precedence list in api_config.h.
+ */
+extern LIBLSL_C_API void lsl_set_config_filename(const char *filename);
+
+/**
+ * Set the configuration content (as an INI string) to be used by liblsl.
+ *
+ * This must be called before any other LSL function; otherwise the setting
+ * has no effect, as the configuration is loaded lazily on first use.
+ * When set, this content takes precedence over any configuration file.
+ *
+ * @note The content is discarded after liblsl has initialized.
+ */
+extern LIBLSL_C_API void lsl_set_config_content(const char *content);