lib: bt_version_get_extra(): return `NULL` if none instead of empty str.

[babeltrace.git] / include / babeltrace2 / version.h

diff --git a/include/babeltrace2/version.h b/include/babeltrace2/version.h
index 7cd0213f9b62952d297d4a3a679fd241f6cc18df..875fa2a71c89c3d800c35b488badc611fd118b87 100644 (file)
--- a/include/babeltrace2/version.h
+++ b/include/babeltrace2/version.h
@@ -92,13 +92,7 @@ This extra information can contain a version suffix such as
 <code>-pre5</code> or <code>-rc1</code>.
 
 @returns
-    @parblock
-    Extra information about the library's version.
-
-    Cannot be \c NULL.
-
-    Can be an empty string if there's no extra information.
-    @endparblock
+    Extra information about the library's version, or \c NULL if none.
 */
 extern const char *bt_version_get_extra(void);