summaryrefslogtreecommitdiff
path: root/lib/sqfs/sqfs_reader.c
diff options
context:
space:
mode:
authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-08-31 16:59:50 +0200
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-08-31 17:17:23 +0200
commit2ac43d981859bda063e7067371c1cf246c7f81b0 (patch)
treeca289d2b708a60d13e300cc36ae47839389d26cf /lib/sqfs/sqfs_reader.c
parent9b3d958fb7c37855a63ed75707281c61dc1d44c4 (diff)
Split libsquashfs.a into low seperate libraries
The idea is to make libsquashfs.a independend of libfstree.a, so it becomes a general purpose squashfs manipulation library. All the high level glue code for libfstree.a and utilites that are overly specific with to tools are moved to a seperate librarby. This commit makes the first step by moving the stuff with dependencies on libfstree to a seperate library. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib/sqfs/sqfs_reader.c')
-rw-r--r--lib/sqfs/sqfs_reader.c75
1 files changed, 0 insertions, 75 deletions
diff --git a/lib/sqfs/sqfs_reader.c b/lib/sqfs/sqfs_reader.c
deleted file mode 100644
index 197e08f..0000000
--- a/lib/sqfs/sqfs_reader.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * sqfs_reader.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "config.h"
-
-#include "highlevel.h"
-
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-
-int sqfs_reader_open(sqfs_reader_t *rd, const char *filename, int rdtree_flags)
-{
- memset(rd, 0, sizeof(*rd));
-
- rd->sqfsfd = open(filename, O_RDONLY);
- if (rd->sqfsfd < 0) {
- perror(filename);
- return -1;
- }
-
- if (sqfs_super_read(&rd->super, rd->sqfsfd))
- goto fail_fd;
-
- if (!compressor_exists(rd->super.compression_id)) {
- fprintf(stderr, "%s: unknown compressor used.\n", filename);
- goto fail_fd;
- }
-
- rd->cmp = compressor_create(rd->super.compression_id, false,
- rd->super.block_size, NULL);
- if (rd->cmp == NULL)
- goto fail_fd;
-
- if (rd->super.flags & SQFS_FLAG_COMPRESSOR_OPTIONS) {
- if (rd->cmp->read_options(rd->cmp, rd->sqfsfd))
- goto fail_cmp;
- }
-
- if (rd->super.flags & SQFS_FLAG_NO_XATTRS)
- rdtree_flags &= ~RDTREE_READ_XATTR;
-
- if (deserialize_fstree(&rd->fs, &rd->super, rd->cmp, rd->sqfsfd,
- rdtree_flags)) {
- goto fail_cmp;
- }
-
- fstree_gen_file_list(&rd->fs);
-
- rd->data = data_reader_create(rd->sqfsfd, &rd->super, rd->cmp);
- if (rd->data == NULL)
- goto fail_fs;
-
- return 0;
-fail_fs:
- fstree_cleanup(&rd->fs);
-fail_cmp:
- rd->cmp->destroy(rd->cmp);
-fail_fd:
- close(rd->sqfsfd);
- memset(rd, 0, sizeof(*rd));
- return -1;
-}
-
-void sqfs_reader_close(sqfs_reader_t *rd)
-{
- data_reader_destroy(rd->data);
- fstree_cleanup(&rd->fs);
- rd->cmp->destroy(rd->cmp);
- close(rd->sqfsfd);
- memset(rd, 0, sizeof(*rd));
-}