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Diffstat (limited to 'lib/sqfs/block_processor/common.c')
-rw-r--r--lib/sqfs/block_processor/common.c156
1 files changed, 0 insertions, 156 deletions
diff --git a/lib/sqfs/block_processor/common.c b/lib/sqfs/block_processor/common.c
index 1bccf57..01f4cce 100644
--- a/lib/sqfs/block_processor/common.c
+++ b/lib/sqfs/block_processor/common.c
@@ -44,23 +44,6 @@ static int set_block_size(sqfs_inode_generic_t **inode,
return 0;
}
-static sqfs_block_t *get_new_block(sqfs_block_processor_t *proc)
-{
- sqfs_block_t *blk;
-
- if (proc->free_list != NULL) {
- blk = proc->free_list;
- proc->free_list = blk->next;
- } else {
- blk = malloc(sizeof(*blk) + proc->max_block_size);
- }
-
- if (blk != NULL)
- memset(blk, 0, sizeof(*blk));
-
- return blk;
-}
-
static void release_old_block(sqfs_block_processor_t *proc, sqfs_block_t *blk)
{
sqfs_block_t *it;
@@ -259,142 +242,3 @@ fail_outblk:
}
return err;
}
-
-static int add_sentinel_block(sqfs_block_processor_t *proc)
-{
- sqfs_block_t *blk = get_new_block(proc);
-
- if (blk == NULL)
- return SQFS_ERROR_ALLOC;
-
- blk->inode = proc->inode;
- blk->flags = proc->blk_flags | SQFS_BLK_LAST_BLOCK;
-
- return append_to_work_queue(proc, blk);
-}
-
-static int flush_block(sqfs_block_processor_t *proc)
-{
- sqfs_block_t *block = proc->blk_current;
-
- proc->blk_current = NULL;
-
- if (block->size < proc->max_block_size &&
- !(block->flags & SQFS_BLK_DONT_FRAGMENT)) {
- block->flags |= SQFS_BLK_IS_FRAGMENT;
- } else {
- proc->blk_flags &= ~SQFS_BLK_FIRST_BLOCK;
- }
-
- block->index = proc->blk_index++;
- return append_to_work_queue(proc, block);
-}
-
-int sqfs_block_processor_begin_file(sqfs_block_processor_t *proc,
- sqfs_inode_generic_t **inode, sqfs_u32 flags)
-{
- if (proc->inode != NULL)
- return SQFS_ERROR_SEQUENCE;
-
- if (flags & ~SQFS_BLK_USER_SETTABLE_FLAGS)
- return SQFS_ERROR_UNSUPPORTED;
-
- (*inode) = calloc(1, sizeof(sqfs_inode_generic_t));
- if ((*inode) == NULL)
- return SQFS_ERROR_ALLOC;
-
- (*inode)->base.type = SQFS_INODE_FILE;
- sqfs_inode_set_frag_location(*inode, 0xFFFFFFFF, 0xFFFFFFFF);
-
- proc->inode = inode;
- proc->blk_flags = flags | SQFS_BLK_FIRST_BLOCK;
- proc->blk_index = 0;
- return 0;
-}
-
-int sqfs_block_processor_append(sqfs_block_processor_t *proc, const void *data,
- size_t size)
-{
- sqfs_block_t *new;
- sqfs_u64 filesize;
- size_t diff;
- int err;
-
- sqfs_inode_get_file_size(*(proc->inode), &filesize);
- sqfs_inode_set_file_size(*(proc->inode), filesize + size);
-
- while (size > 0) {
- if (proc->blk_current == NULL) {
- new = get_new_block(proc);
- if (new == NULL)
- return SQFS_ERROR_ALLOC;
-
- proc->blk_current = new;
- proc->blk_current->flags = proc->blk_flags;
- proc->blk_current->inode = proc->inode;
- }
-
- diff = proc->max_block_size - proc->blk_current->size;
-
- if (diff == 0) {
- err = flush_block(proc);
- if (err)
- return err;
- continue;
- }
-
- if (diff > size)
- diff = size;
-
- memcpy(proc->blk_current->data + proc->blk_current->size,
- data, diff);
-
- size -= diff;
- proc->blk_current->size += diff;
- data = (const char *)data + diff;
-
- proc->stats.input_bytes_read += diff;
- }
-
- if (proc->blk_current != NULL &&
- proc->blk_current->size == proc->max_block_size) {
- return flush_block(proc);
- }
-
- return 0;
-}
-
-int sqfs_block_processor_end_file(sqfs_block_processor_t *proc)
-{
- int err;
-
- if (proc->inode == NULL)
- return SQFS_ERROR_SEQUENCE;
-
- if (!(proc->blk_flags & SQFS_BLK_FIRST_BLOCK)) {
- if (proc->blk_current != NULL &&
- (proc->blk_flags & SQFS_BLK_DONT_FRAGMENT)) {
- proc->blk_current->flags |= SQFS_BLK_LAST_BLOCK;
- } else {
- err = add_sentinel_block(proc);
- if (err)
- return err;
- }
- }
-
- if (proc->blk_current != NULL) {
- err = flush_block(proc);
- if (err)
- return err;
- }
-
- proc->inode = NULL;
- proc->blk_flags = 0;
- return 0;
-}
-
-const sqfs_block_processor_stats_t
-*sqfs_block_processor_get_stats(const sqfs_block_processor_t *proc)
-{
- return &proc->stats;
-}