unsquashfs: read ID table from file

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

1 files changed, 23 insertions, 0 deletions

diff --git a/lib/sqfs/id_table_write.c b/lib/sqfs/id_table_write.c
new file mode 100644
index 0000000..490c2af
--- /dev/null
+++ b/lib/sqfs/id_table_write.c
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+#include "id_table.h"
+#include "table.h"
+
+int id_table_write(id_table_t *tbl, int outfd, sqfs_super_t *super,
+		   compressor_t *cmp)
+{
+	size_t i;
+	int ret;
+
+	for (i = 0; i < tbl->num_ids; ++i)
+		tbl->ids[i] = htole32(tbl->ids[i]);
+
+	super->id_count = tbl->num_ids;
+
+	ret = sqfs_write_table(outfd, super, tbl->ids, sizeof(tbl->ids[0]),
+			       tbl->num_ids, &super->id_table_start, cmp);
+
+	for (i = 0; i < tbl->num_ids; ++i)
+		tbl->ids[i] = le32toh(tbl->ids[i]);
+
+	return ret;
+}