Update tests/unittests/tests-libc/tests-libc.c

Co-authored-by: Teufelchen <[email protected]>
RIOT-OS · Sep 9, 2024 · 6eea402 · 6eea402
1 parent d4ba2f7
commit 6eea402
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/tests/unittests/tests-libc/tests-libc.c b/tests/unittests/tests-libc/tests-libc.c
@@ -45,6 +45,7 @@ static void test_libc_swprintf(void)
     TEST_ASSERT_EQUAL_INT(strcmp("Hello World!", string_writer_str(&sw)), 0);
 
     /* check that we can add to the string */
+    /* Writing 10 characters, returns 10 bytes written */
     res = swprintf(&sw, "0123456789");
     TEST_ASSERT_EQUAL_INT(res, 10);
     TEST_ASSERT_EQUAL_INT(strcmp("Hello World!0123456789", string_writer_str(&sw)), 0);