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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-09-15 20:55:04 +0200
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-09-15 20:57:32 +0200
commitc76c52f062cffd1ebd45ba4fd042358dcea60514 (patch)
tree9edf0eea95203717fd379d48639335865e1011ea /lib
parenta8322df38cbc72dddb3177cab3cef9f5bb521f08 (diff)
Merge data writer file processing functions
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib')
-rw-r--r--lib/sqfshelper/data_writer.c91
1 files changed, 17 insertions, 74 deletions
diff --git a/lib/sqfshelper/data_writer.c b/lib/sqfshelper/data_writer.c
index 92592c9..137fe06 100644
--- a/lib/sqfshelper/data_writer.c
+++ b/lib/sqfshelper/data_writer.c
@@ -319,77 +319,6 @@ static int add_sentinel_block(data_writer_t *data, file_info_t *fi,
return sqfs_block_processor_enqueue(data->proc, blk);
}
-int write_data_from_file(data_writer_t *data, file_info_t *fi,
- sqfs_file_t *file, int flags)
-{
- uint32_t blk_flags = BLK_FIRST_BLOCK;
- uint64_t offset, file_size;
- size_t diff, i = 0;
- sqfs_block_t *blk;
-
- if (flags & DW_DONT_COMPRESS)
- blk_flags |= SQFS_BLK_DONT_COMPRESS;
-
- if (flags & DW_ALLIGN_DEVBLK)
- blk_flags |= BLK_ALLIGN;
-
- file_size = file->get_size(file);
-
- for (offset = 0; offset < file_size; offset += diff) {
- if (file_size - offset > data->super->block_size) {
- diff = data->super->block_size;
- } else {
- diff = file_size - offset;
- }
-
- if (sqfs_file_create_block(file, offset, diff, fi,
- blk_flags, &blk)) {
- return -1;
- }
-
- blk->index = i++;
-
- if (is_zero_block(blk->data, blk->size)) {
- data->stats.sparse_blocks += 1;
-
- fi->block_size[blk->index] = 0;
- free(blk);
- continue;
- }
-
- if (diff < data->super->block_size &&
- !(flags & DW_DONT_FRAGMENT)) {
- if (!(blk_flags & (BLK_FIRST_BLOCK | BLK_LAST_BLOCK))) {
- blk_flags |= BLK_LAST_BLOCK;
-
- if (add_sentinel_block(data, fi, blk_flags)) {
- free(blk);
- return -1;
- }
- }
-
- if (handle_fragment(data, blk))
- return -1;
- } else {
- if (sqfs_block_processor_enqueue(data->proc, blk))
- return -1;
-
- blk_flags &= ~BLK_FIRST_BLOCK;
- }
- }
-
- if (!(blk_flags & (BLK_FIRST_BLOCK | BLK_LAST_BLOCK))) {
- blk_flags |= BLK_LAST_BLOCK;
-
- if (add_sentinel_block(data, fi, blk_flags))
- return -1;
- }
-
- data->stats.bytes_read += file_size;
- data->stats.file_count += 1;
- return 0;
-}
-
int write_data_from_file_condensed(data_writer_t *data, sqfs_file_t *file,
file_info_t *fi,
const sqfs_sparse_map_t *map, int flags)
@@ -398,6 +327,7 @@ int write_data_from_file_condensed(data_writer_t *data, sqfs_file_t *file,
size_t diff, i = 0;
sqfs_block_t *blk;
uint64_t offset;
+ int ret;
if (flags & DW_DONT_COMPRESS)
blk_flags |= SQFS_BLK_DONT_COMPRESS;
@@ -412,11 +342,18 @@ int write_data_from_file_condensed(data_writer_t *data, sqfs_file_t *file,
diff = fi->size - offset;
}
- if (sqfs_file_create_block_dense(file, offset, diff, fi,
- blk_flags, map, &blk)) {
- return -1;
+ if (map == NULL) {
+ ret = sqfs_file_create_block(file, offset, diff, fi,
+ blk_flags, &blk);
+ } else {
+ ret = sqfs_file_create_block_dense(file, offset, diff,
+ fi, blk_flags,
+ map, &blk);
}
+ if (ret)
+ return -1;
+
blk->index = i++;
if (is_zero_block(blk->data, blk->size)) {
@@ -460,6 +397,12 @@ int write_data_from_file_condensed(data_writer_t *data, sqfs_file_t *file,
return 0;
}
+int write_data_from_file(data_writer_t *data, file_info_t *fi,
+ sqfs_file_t *file, int flags)
+{
+ return write_data_from_file_condensed(data, file, fi, NULL, flags);
+}
+
data_writer_t *data_writer_create(sqfs_super_t *super, sqfs_compressor_t *cmp,
sqfs_file_t *file, size_t devblksize,
unsigned int num_jobs, size_t max_backlog)