Rename block processor to sqfs_data_writer_t

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

1 files changed, 0 insertions, 131 deletions

diff --git a/lib/sqfs/blk_proc/block.c b/lib/sqfs/blk_proc/block.c
deleted file mode 100644
index 69a7119..0000000
--- a/lib/sqfs/blk_proc/block.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/* SPDX-License-Identifier: LGPL-3.0-or-later */
-/*
- * process_block.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#define SQFS_BUILDING_DLL
-#include "internal.h"
-
-#include <string.h>
-
-static int store_block_location(sqfs_block_processor_t *proc, uint64_t offset,
-				uint32_t size, uint32_t chksum)
-{
-	size_t new_sz;
-	void *new;
-
-	if (proc->num_blocks == proc->max_blocks) {
-		new_sz = proc->max_blocks * 2;
-		new = realloc(proc->blocks, sizeof(proc->blocks[0]) * new_sz);
-
-		if (new == NULL)
-			return SQFS_ERROR_ALLOC;
-
-		proc->blocks = new;
-		proc->max_blocks = new_sz;
-	}
-
-	proc->blocks[proc->num_blocks].offset = offset;
-	proc->blocks[proc->num_blocks].hash = MK_BLK_HASH(chksum, size);
-	proc->num_blocks += 1;
-	return 0;
-}
-
-static size_t deduplicate_blocks(sqfs_block_processor_t *proc, size_t count)
-{
-	size_t i, j;
-
-	for (i = 0; i < proc->file_start; ++i) {
-		for (j = 0; j < count; ++j) {
-			if (proc->blocks[i + j].hash !=
-			    proc->blocks[proc->file_start + j].hash)
-				break;
-		}
-
-		if (j == count)
-			break;
-	}
-
-	return i;
-}
-
-static int allign_file(sqfs_block_processor_t *proc, sqfs_block_t *blk)
-{
-	if (!(blk->flags & SQFS_BLK_ALLIGN))
-		return 0;
-
-	return padd_sqfs(proc->file, proc->file->get_size(proc->file),
-			 proc->devblksz);
-}
-
-int process_completed_block(sqfs_block_processor_t *proc, sqfs_block_t *blk)
-{
-	size_t start, count;
-	uint64_t offset;
-	uint32_t out;
-	int err;
-
-	if (blk->flags & SQFS_BLK_FIRST_BLOCK) {
-		proc->start = proc->file->get_size(proc->file);
-		proc->file_start = proc->num_blocks;
-
-		err = allign_file(proc, blk);
-		if (err)
-			return err;
-	}
-
-	if (blk->size != 0) {
-		out = blk->size;
-		if (!(blk->flags & SQFS_BLK_IS_COMPRESSED))
-			out |= 1 << 24;
-
-		offset = proc->file->get_size(proc->file);
-
-		if (blk->flags & SQFS_BLK_FRAGMENT_BLOCK) {
-			offset = htole64(offset);
-			proc->fragments[blk->index].start_offset = offset;
-			proc->fragments[blk->index].pad0 = 0;
-			proc->fragments[blk->index].size = htole32(out);
-		} else {
-			blk->inode->block_sizes[blk->index] = out;
-		}
-
-		err = store_block_location(proc, offset, out, blk->checksum);
-		if (err)
-			return err;
-
-		err = proc->file->write_at(proc->file, offset,
-					   blk->data, blk->size);
-		if (err)
-			return err;
-	}
-
-	if (blk->flags & SQFS_BLK_LAST_BLOCK) {
-		err = allign_file(proc, blk);
-		if (err)
-			return err;
-
-		count = proc->num_blocks - proc->file_start;
-		start = deduplicate_blocks(proc, count);
-		offset = proc->blocks[start].offset;
-
-		sqfs_inode_set_file_block_start(blk->inode, offset);
-
-		if (start < proc->file_start) {
-			offset = start + count;
-
-			if (offset >= proc->file_start) {
-				proc->num_blocks = offset;
-			} else {
-				proc->num_blocks = proc->file_start;
-			}
-
-			err = proc->file->truncate(proc->file, proc->start);
-			if (err)
-				return err;
-		}
-	}
-
-	return 0;
-}