File libnih-file-isdir.patch of Package libnih

diff --git a/nih/file.c b/nih/file.c
index eda3f7b..108aec2 100644
--- a/nih/file.c
+++ b/nih/file.c
@@ -619,6 +619,7 @@ nih_dir_walk_scan (const char    *path,
 	struct dirent  *ent;
 	char          **paths;
 	size_t          npaths;
+	struct stat     statbuf;
 
 	nih_assert (path != NULL);
 
@@ -640,7 +641,9 @@ nih_dir_walk_scan (const char    *path,
 		subpath = NIH_MUST (nih_sprintf (NULL, "%s/%s",
 						 path, ent->d_name));
 
-		if (filter && filter (data, subpath, ent->d_type == DT_DIR))
+		lstat (subpath, &statbuf);
+
+		if (filter && filter (data, subpath, S_ISDIR(statbuf.st_mode)))
 			continue;
 
 		NIH_MUST (nih_str_array_addp (&paths, NULL, &npaths, subpath));
diff --git a/nih/tests/test_file.c b/nih/tests/test_file.c
index a40eca3..b62dbae 100644
--- a/nih/tests/test_file.c
+++ b/nih/tests/test_file.c
@@ -724,6 +724,25 @@ my_filter (void       *data,
 	return FALSE;
 }
 
+/* find only frodo files */
+static int
+my_filter_frodo_file (void       *data,
+	   const char *path,
+	   int         is_dir)
+{
+	char *slash;
+
+	if (is_dir)
+		return FALSE;
+
+	slash = strrchr (path, '/');
+	if (strcmp (slash, "/frodo"))
+		return TRUE;
+
+	return FALSE;
+}
+
+
 static int logger_called = 0;
 
 static int
@@ -905,6 +924,48 @@ test_dir_walk (void)
 		TEST_EQ_STR (v->path, filename);
 
 		nih_free (visited);
+
+				/* Try also inverse filter */
+		TEST_ALLOC_SAFE {
+			visitor_called = 0;
+			visited = nih_list_new (NULL);
+		}
+
+		ret = nih_dir_walk (dirname, my_filter_frodo_file,
+				    my_visitor, NULL, &ret);
+
+		TEST_EQ (ret, 0);
+		TEST_EQ (visitor_called, 4);
+
+		v = (Visited *)visited->next;
+		TEST_EQ (v->data, &ret);
+		TEST_EQ_STR (v->dirname, dirname);
+		strcpy (filename, dirname);
+		strcat (filename, "/bar");
+		TEST_EQ_STR (v->path, filename);
+
+		v = (Visited *)v->entry.next;
+		TEST_EQ (v->data, &ret);
+		TEST_EQ_STR (v->dirname, dirname);
+		strcpy (filename, dirname);
+		strcat (filename, "/bar/frodo");
+		TEST_EQ_STR (v->path, filename);
+
+		v = (Visited *)v->entry.next;
+		TEST_EQ (v->data, &ret);
+		TEST_EQ_STR (v->dirname, dirname);
+		strcpy (filename, dirname);
+		strcat (filename, "/baz");
+		TEST_EQ_STR (v->path, filename);
+
+		v = (Visited *)v->entry.next;
+		TEST_EQ (v->data, &ret);
+		TEST_EQ_STR (v->dirname, dirname);
+		strcpy (filename, dirname);
+		strcat (filename, "/frodo");
+		TEST_EQ_STR (v->path, filename);
+
+		nih_free (visited);
 	}
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