basic/conf-files: extend conf_files_list() to list unsuffixed files

5dd11ab5f36ce71138005 did a similar change for conf_files_list_strv().
Here we do the same for conf_files_list() and conf_files_list_nulstr().

No change for existing users. Tests are added.

1 files changed, 22 insertions, 2 deletions

diff --git a/src/test/test-conf-files.c b/src/test/test-conf-files.c
index 03b3a9fa5c..22b7c61204 100644
--- a/src/test/test-conf-files.c
+++ b/src/test/test-conf-files.c
@@ -47,13 +47,16 @@ static void setup_test_dir(char *tmp_dir, const char *files, ...) {
 
 static void test_conf_files_list(bool use_root) {
         char tmp_dir[] = "/tmp/test-conf-files-XXXXXX";
-        _cleanup_strv_free_ char **found_files = NULL;
-        const char *root_dir, *search_1, *search_2, *expect_a, *expect_b;
+        _cleanup_strv_free_ char **found_files = NULL, **found_files2 = NULL;
+        const char *root_dir, *search_1, *search_2, *expect_a, *expect_b, *expect_c;
+
+        log_debug("/* %s */", __func__);
 
         setup_test_dir(tmp_dir,
                        "/dir1/a.conf",
                        "/dir2/a.conf",
                        "/dir2/b.conf",
+                       "/dir2/c.foo",
                        NULL);
 
         if (use_root) {
@@ -68,6 +71,9 @@ static void test_conf_files_list(bool use_root) {
 
         expect_a = strjoina(tmp_dir, "/dir1/a.conf");
         expect_b = strjoina(tmp_dir, "/dir2/b.conf");
+        expect_c = strjoina(tmp_dir, "/dir2/c.foo");
+
+        log_debug("/* Check when filtered by suffix */");
 
         assert_se(conf_files_list(&found_files, ".conf", root_dir, search_1, search_2, NULL) == 0);
         strv_print(found_files);
@@ -77,10 +83,24 @@ static void test_conf_files_list(bool use_root) {
         assert_se(streq_ptr(found_files[1], expect_b));
         assert_se(found_files[2] == NULL);
 
+        log_debug("/* Check when unfiltered */");
+        assert_se(conf_files_list(&found_files2, NULL, root_dir, search_1, search_2, NULL) == 0);
+        strv_print(found_files2);
+
+        assert_se(found_files2);
+        assert_se(streq_ptr(found_files2[0], expect_a));
+        assert_se(streq_ptr(found_files2[1], expect_b));
+        assert_se(streq_ptr(found_files2[2], expect_c));
+        assert_se(found_files2[3] == NULL);
+
         assert_se(rm_rf(tmp_dir, REMOVE_ROOT|REMOVE_PHYSICAL) == 0);
 }
 
 int main(int argc, char **argv) {
+        log_set_max_level(LOG_DEBUG);
+        log_parse_environment();
+        log_open();
+
         test_conf_files_list(false);
         test_conf_files_list(true);
         return 0;