summaryrefslogtreecommitdiff
path: root/lib/sqfs/block_processor/common.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/sqfs/block_processor/common.c')
-rw-r--r--lib/sqfs/block_processor/common.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/lib/sqfs/block_processor/common.c b/lib/sqfs/block_processor/common.c
new file mode 100644
index 0000000..c6375dd
--- /dev/null
+++ b/lib/sqfs/block_processor/common.c
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: LGPL-3.0-or-later */
+/*
+ * common.c
+ *
+ * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
+ */
+#define SQFS_BUILDING_DLL
+#include "internal.h"
+
+void free_blk_list(sqfs_block_t *list)
+{
+ sqfs_block_t *it;
+
+ while (list != NULL) {
+ it = list;
+ list = list->next;
+ free(it);
+ }
+}
+
+int block_processor_init(sqfs_block_processor_t *proc, size_t max_block_size,
+ sqfs_compressor_t *cmp, unsigned int num_workers,
+ size_t max_backlog, size_t devblksz, sqfs_file_t *file)
+{
+ proc->max_block_size = max_block_size;
+ proc->num_workers = num_workers;
+ proc->max_backlog = max_backlog;
+ proc->devblksz = devblksz;
+ proc->cmp = cmp;
+ proc->file = file;
+ proc->max_blocks = INIT_BLOCK_COUNT;
+
+ proc->frag_tbl = sqfs_frag_table_create(0);
+ if (proc->frag_tbl == NULL)
+ return -1;
+
+ proc->blocks = alloc_array(sizeof(proc->blocks[0]), proc->max_blocks);
+ if (proc->blocks == NULL)
+ return -1;
+
+ return 0;
+}
+
+void block_processor_cleanup(sqfs_block_processor_t *proc)
+{
+ if (proc->frag_tbl != NULL)
+ sqfs_frag_table_destroy(proc->frag_tbl);
+ free_blk_list(proc->queue);
+ free_blk_list(proc->done);
+ free(proc->blk_current);
+ free(proc->frag_block);
+ free(proc->blocks);
+ free(proc);
+}
+
+int sqfs_block_processor_write_fragment_table(sqfs_block_processor_t *proc,
+ sqfs_super_t *super)
+{
+ return sqfs_frag_table_write(proc->frag_tbl, proc->file,
+ super, proc->cmp);
+}
+
+int sqfs_block_processor_set_hooks(sqfs_block_processor_t *proc, void *user_ptr,
+ const sqfs_block_hooks_t *hooks)
+{
+ if (hooks->size != sizeof(*hooks))
+ return SQFS_ERROR_UNSUPPORTED;
+
+ proc->hooks = hooks;
+ proc->user_ptr = user_ptr;
+ return 0;
+}