1 files changed, 7 insertions, 0 deletions
diff --git a/test/testutil.h b/test/testutil.h
index 9311e2ce58..710f51c147 100644
--- a/test/testutil.h
+++ b/test/testutil.h
@@ -206,6 +206,13 @@ size_t test_get_argument_count(void);
  */
 int test_skip_common_options(void);
 
+/*
+ * Get a library context for the tests, populated with the specified provider
+ * and configuration. If default_null_prov is not NULL, a "null" provider is
+ * loaded into the default library context to prevent it being used.
+ * If libctx is NULL, the specified provider is loaded into the default library
+ * context.
+ */
 int test_get_libctx(OSSL_LIB_CTX **libctx, OSSL_PROVIDER **default_null_prov,
                     const char *config_file,
                     OSSL_PROVIDER **provider, const char *module_name);