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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-09-25 07:28:04 +0200
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-09-25 07:29:11 +0200
commitedac31f28863ae9f1b310d971fb194959c42c916 (patch)
treed9d81491e442123d776c6265795db47247ee6346 /lib/sqfs/blk_proc/common.c
parent9434bdfaedb733e1441d87fedde8056efeda7145 (diff)
Rename block processor to sqfs_data_writer_t
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib/sqfs/blk_proc/common.c')
-rw-r--r--lib/sqfs/blk_proc/common.c158
1 files changed, 0 insertions, 158 deletions
diff --git a/lib/sqfs/blk_proc/common.c b/lib/sqfs/blk_proc/common.c
deleted file mode 100644
index a3c91eb..0000000
--- a/lib/sqfs/blk_proc/common.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/* 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_list_max = INIT_BLOCK_COUNT;
-
- proc->blocks = alloc_array(sizeof(proc->blocks[0]), proc->max_blocks);
- if (proc->blocks == NULL)
- return -1;
-
- proc->frag_list = alloc_array(sizeof(proc->frag_list[0]),
- proc->frag_list_max);
- if (proc->frag_list == NULL)
- return -1;
-
- return 0;
-}
-
-void block_processor_cleanup(sqfs_block_processor_t *proc)
-{
- free_blk_list(proc->queue);
- free_blk_list(proc->done);
- free(proc->frag_block);
- free(proc->frag_list);
- free(proc->fragments);
- free(proc->blocks);
- free(proc);
-}
-
-void block_processor_store_done(sqfs_block_processor_t *proc,
- sqfs_block_t *blk, int status)
-{
- sqfs_block_t *it = proc->done, *prev = NULL;
-
- while (it != NULL) {
- if (it->sequence_number >= blk->sequence_number)
- break;
- prev = it;
- it = it->next;
- }
-
- if (prev == NULL) {
- blk->next = proc->done;
- proc->done = blk;
- } else {
- blk->next = prev->next;
- prev->next = blk;
- }
-
- if (status != 0 && proc->status == 0)
- proc->status = status;
-
- proc->backlog -= 1;
-}
-
-sqfs_block_t *block_processor_next_work_item(sqfs_block_processor_t *proc)
-{
- sqfs_block_t *blk;
-
- if (proc->status != 0)
- return NULL;
-
- blk = proc->queue;
- proc->queue = blk->next;
- blk->next = NULL;
-
- if (proc->queue == NULL)
- proc->queue_last = NULL;
-
- return blk;
-}
-
-int block_processor_do_block(sqfs_block_t *block, sqfs_compressor_t *cmp,
- uint8_t *scratch, size_t scratch_size)
-{
- ssize_t ret;
-
- if (block->size == 0) {
- block->checksum = 0;
- return 0;
- }
-
- block->checksum = crc32(0, block->data, block->size);
-
- if (block->flags & SQFS_BLK_IS_FRAGMENT)
- return 0;
-
- if (!(block->flags & SQFS_BLK_DONT_COMPRESS)) {
- ret = cmp->do_block(cmp, block->data, block->size,
- scratch, scratch_size);
- if (ret < 0)
- return ret;
-
- if (ret > 0) {
- memcpy(block->data, scratch, ret);
- block->size = ret;
- block->flags |= SQFS_BLK_IS_COMPRESSED;
- }
- }
-
- return 0;
-}
-
-int sqfs_block_processor_write_fragment_table(sqfs_block_processor_t *proc,
- sqfs_super_t *super)
-{
- uint64_t start;
- size_t size;
- int ret;
-
- if (proc->num_fragments == 0) {
- super->fragment_entry_count = 0;
- super->fragment_table_start = 0xFFFFFFFFFFFFFFFFUL;
- super->flags &= ~SQFS_FLAG_ALWAYS_FRAGMENTS;
- super->flags |= SQFS_FLAG_NO_FRAGMENTS;
- return 0;
- }
-
- size = sizeof(proc->fragments[0]) * proc->num_fragments;
- ret = sqfs_write_table(proc->file, proc->cmp,
- proc->fragments, size, &start);
- if (ret)
- return ret;
-
- super->flags &= ~SQFS_FLAG_NO_FRAGMENTS;
- super->flags |= SQFS_FLAG_ALWAYS_FRAGMENTS;
- super->fragment_entry_count = proc->num_fragments;
- super->fragment_table_start = start;
- return 0;
-}