Move library source into src sub-directory

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

1 files changed, 81 insertions, 0 deletions

diff --git a/lib/sqfs/src/write_table.c b/lib/sqfs/src/write_table.c
new file mode 100644
index 0000000..6f28a75
--- /dev/null
+++ b/lib/sqfs/src/write_table.c
@@ -0,0 +1,81 @@
+/* SPDX-License-Identifier: LGPL-3.0-or-later */
+/*
+ * write_table.c
+ *
+ * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
+ */
+#define SQFS_BUILDING_DLL
+#include "config.h"
+
+#include "sqfs/meta_writer.h"
+#include "sqfs/error.h"
+#include "sqfs/super.h"
+#include "sqfs/table.h"
+#include "sqfs/block.h"
+#include "sqfs/io.h"
+#include "util/util.h"
+
+#include <stdlib.h>
+
+int sqfs_write_table(sqfs_file_t *file, sqfs_compressor_t *cmp,
+		     const void *data, size_t table_size, sqfs_u64 *start)
+{
+	size_t block_count, list_size, diff, blkidx = 0;
+	sqfs_u64 off, *locations;
+	sqfs_meta_writer_t *m;
+	int ret;
+
+	block_count = table_size / SQFS_META_BLOCK_SIZE;
+	if ((table_size % SQFS_META_BLOCK_SIZE) != 0)
+		++block_count;
+
+	locations = alloc_array(sizeof(sqfs_u64), block_count);
+
+	if (locations == NULL)
+		return SQFS_ERROR_ALLOC;
+
+	/* Write actual data */
+	m = sqfs_meta_writer_create(file, cmp, 0);
+	if (m == NULL) {
+		ret = SQFS_ERROR_ALLOC;
+		goto out_idx;
+	}
+
+	while (table_size > 0) {
+		locations[blkidx++] = htole64(file->get_size(file));
+
+		diff = SQFS_META_BLOCK_SIZE;
+		if (diff > table_size)
+			diff = table_size;
+
+		ret = sqfs_meta_writer_append(m, data, diff);
+		if (ret)
+			goto out;
+
+		data = (const char *)data + diff;
+		table_size -= diff;
+	}
+
+	ret = sqfs_meta_writer_flush(m);
+	if (ret)
+		goto out;
+
+	/* write location list */
+	*start = file->get_size(file);
+
+	list_size = sizeof(sqfs_u64) * block_count;
+
+	off = file->get_size(file);
+
+	ret = file->write_at(file, off, locations, list_size);
+	if (ret)
+		goto out;
+
+	/* cleanup */
+	ret = 0;
+out:
+	sqfs_drop(m);
+out_idx:
+	free(locations);
+	return ret;
+}