Add flags to functions that might logically be expanded in the future

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

2 files changed, 10 insertions, 3 deletions

diff --git a/lib/sqfs/xattr/xattr_writer.c b/lib/sqfs/xattr/xattr_writer.c
index 9de3823..c33d366 100644
--- a/lib/sqfs/xattr/xattr_writer.c
+++ b/lib/sqfs/xattr/xattr_writer.c
@@ -81,10 +81,14 @@ static void xattr_writer_destroy(sqfs_object_t *obj)
 	free(xwr);
 }
 
-sqfs_xattr_writer_t *sqfs_xattr_writer_create(void)
+sqfs_xattr_writer_t *sqfs_xattr_writer_create(sqfs_u32 flags)
 {
-	sqfs_xattr_writer_t *xwr = calloc(1, sizeof(*xwr));
+	sqfs_xattr_writer_t *xwr;
 
+	if (flags != 0)
+		return NULL;
+
+	xwr = calloc(1, sizeof(*xwr));
 	if (str_table_init(&xwr->keys, XATTR_KEY_BUCKETS))
 		goto fail_keys;
 
diff --git a/lib/sqfs/xattr/xattr_writer_record.c b/lib/sqfs/xattr/xattr_writer_record.c
index 7cc55b6..aa87246 100644
--- a/lib/sqfs/xattr/xattr_writer_record.c
+++ b/lib/sqfs/xattr/xattr_writer_record.c
@@ -37,8 +37,11 @@ static int compare_u64(const void *a, const void *b)
 	return (lhs < rhs ? -1 : (lhs > rhs ? 1 : 0));
 }
 
-int sqfs_xattr_writer_begin(sqfs_xattr_writer_t *xwr)
+int sqfs_xattr_writer_begin(sqfs_xattr_writer_t *xwr, sqfs_u32 flags)
 {
+	if (flags != 0)
+		return SQFS_ERROR_UNSUPPORTED;
+
 	xwr->kv_start = xwr->num_pairs;
 	return 0;
 }