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Diffstat (limited to 'lib/sqfshelper/data_reader_dump.c')
-rw-r--r--lib/sqfshelper/data_reader_dump.c80
1 files changed, 0 insertions, 80 deletions
diff --git a/lib/sqfshelper/data_reader_dump.c b/lib/sqfshelper/data_reader_dump.c
deleted file mode 100644
index 140f527..0000000
--- a/lib/sqfshelper/data_reader_dump.c
+++ /dev/null
@@ -1,80 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * data_reader_dump.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "common.h"
-#include "util.h"
-
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdio.h>
-
-int sqfs_data_reader_dump(const char *name, sqfs_data_reader_t *data,
- const sqfs_inode_generic_t *inode,
- int outfd, size_t block_size, bool allow_sparse)
-{
- sqfs_block_t *blk;
- sqfs_u64 filesz;
- size_t i, diff;
- int err;
-
- sqfs_inode_get_file_size(inode, &filesz);
-
- if (allow_sparse && ftruncate(outfd, filesz))
- goto fail_sparse;
-
- for (i = 0; i < inode->num_file_blocks; ++i) {
- if (SQFS_IS_SPARSE_BLOCK(inode->block_sizes[i]) &&
- allow_sparse) {
- if (filesz < block_size) {
- diff = filesz;
- filesz = 0;
- } else {
- diff = block_size;
- filesz -= block_size;
- }
-
- if (lseek(outfd, diff, SEEK_CUR) == (off_t)-1)
- goto fail_sparse;
- } else {
- err = sqfs_data_reader_get_block(data, inode, i, &blk);
- if (err) {
- sqfs_perror(name, "reading data block", err);
- return -1;
- }
-
- if (write_data("writing uncompressed block",
- outfd, blk->data, blk->size)) {
- free(blk);
- return -1;
- }
-
- filesz -= blk->size;
- free(blk);
- }
- }
-
- if (filesz > 0) {
- err = sqfs_data_reader_get_fragment(data, inode, &blk);
- if (err) {
- sqfs_perror(name, "reading fragment block", err);
- return -1;
- }
-
- if (write_data("writing uncompressed fragment", outfd,
- blk->data, blk->size)) {
- free(blk);
- return -1;
- }
-
- free(blk);
- }
-
- return 0;
-fail_sparse:
- perror("creating sparse output file");
- return -1;
-}