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Diffstat (limited to 'lib/sqfs/blk_proc/fragtbl.c')
-rw-r--r--lib/sqfs/blk_proc/fragtbl.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/lib/sqfs/blk_proc/fragtbl.c b/lib/sqfs/blk_proc/fragtbl.c
new file mode 100644
index 0000000..81baf09
--- /dev/null
+++ b/lib/sqfs/blk_proc/fragtbl.c
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: LGPL-3.0-or-later */
+/*
+ * fragtbl.c
+ *
+ * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
+ */
+#define SQFS_BUILDING_DLL
+#include "internal.h"
+
+int sqfs_block_processor_write_fragment_table(sqfs_block_processor_t *proc,
+ sqfs_super_t *super)
+{
+ uint64_t start;
+ size_t size;
+ int ret;
+
+ if (proc->num_fragments == 0) {
+ super->fragment_entry_count = 0;
+ super->fragment_table_start = 0xFFFFFFFFFFFFFFFFUL;
+ super->flags &= ~SQFS_FLAG_ALWAYS_FRAGMENTS;
+ super->flags |= SQFS_FLAG_NO_FRAGMENTS;
+ return 0;
+ }
+
+ size = sizeof(proc->fragments[0]) * proc->num_fragments;
+ ret = sqfs_write_table(proc->file, proc->cmp,
+ proc->fragments, size, &start);
+ if (ret)
+ return ret;
+
+ super->flags &= ~SQFS_FLAG_NO_FRAGMENTS;
+ super->flags |= SQFS_FLAG_ALWAYS_FRAGMENTS;
+ super->fragment_entry_count = proc->num_fragments;
+ super->fragment_table_start = start;
+ return 0;
+}