diff options
author | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2019-09-25 06:50:03 +0200 |
---|---|---|
committer | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2019-09-25 06:50:03 +0200 |
commit | 9434bdfaedb733e1441d87fedde8056efeda7145 (patch) | |
tree | 48b2d8c9e113170f9b64337507acd5d0981e9c87 /lib | |
parent | 8f0f1f4c8047a97012c55dc057780ff76667aacc (diff) |
More refactoring of the block processor
Basically just moving functions around and renaming things.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib')
-rw-r--r-- | lib/sqfs/Makemodule.am | 5 | ||||
-rw-r--r-- | lib/sqfs/blk_proc/block.c (renamed from lib/sqfs/blk_proc/process_block.c) | 41 | ||||
-rw-r--r-- | lib/sqfs/blk_proc/deduplicate.c | 49 | ||||
-rw-r--r-- | lib/sqfs/blk_proc/fragment.c (renamed from lib/sqfs/blk_proc/fragtbl.c) | 4 | ||||
-rw-r--r-- | lib/sqfs/blk_proc/internal.h | 11 | ||||
-rw-r--r-- | lib/sqfs/blk_proc/pthread.c | 2 | ||||
-rw-r--r-- | lib/sqfs/blk_proc/serial.c | 3 |
7 files changed, 50 insertions, 65 deletions
diff --git a/lib/sqfs/Makemodule.am b/lib/sqfs/Makemodule.am index 7a02fa4..e8b9284 100644 --- a/lib/sqfs/Makemodule.am +++ b/lib/sqfs/Makemodule.am @@ -17,10 +17,9 @@ libsquashfs_la_SOURCES += lib/sqfs/dir_writer.c lib/sqfs/xattr_reader.c libsquashfs_la_SOURCES += lib/sqfs/read_table.c lib/sqfs/comp/compressor.c libsquashfs_la_SOURCES += lib/sqfs/io_stdin.c lib/sqfs/comp/internal.h libsquashfs_la_SOURCES += lib/sqfs/dir_reader.c lib/sqfs/read_tree.c -libsquashfs_la_SOURCES += lib/sqfs/inode.c lib/sqfs/blk_proc/fragtbl.c -libsquashfs_la_SOURCES += lib/sqfs/blk_proc/process_block.c lib/sqfs/io.c +libsquashfs_la_SOURCES += lib/sqfs/inode.c lib/sqfs/blk_proc/fragment.c +libsquashfs_la_SOURCES += lib/sqfs/blk_proc/block.c lib/sqfs/io.c libsquashfs_la_SOURCES += lib/sqfs/blk_proc/internal.h lib/sqfs/data_reader.c -libsquashfs_la_SOURCES += lib/sqfs/blk_proc/deduplicate.c libsquashfs_la_SOURCES += lib/sqfs/blk_proc/common.c libsquashfs_la_CPPFLAGS = $(AM_CPPFLAGS) libsquashfs_la_CFLAGS = $(AM_CFLAGS) $(PTHREAD_CFLAGS) $(ZLIB_CFLAGS) diff --git a/lib/sqfs/blk_proc/process_block.c b/lib/sqfs/blk_proc/block.c index 2951406..69a7119 100644 --- a/lib/sqfs/blk_proc/process_block.c +++ b/lib/sqfs/blk_proc/block.c @@ -9,6 +9,47 @@ #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)) diff --git a/lib/sqfs/blk_proc/deduplicate.c b/lib/sqfs/blk_proc/deduplicate.c deleted file mode 100644 index 08a108e..0000000 --- a/lib/sqfs/blk_proc/deduplicate.c +++ /dev/null @@ -1,49 +0,0 @@ -/* SPDX-License-Identifier: LGPL-3.0-or-later */ -/* - * deduplicate.c - * - * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> - */ -#define SQFS_BUILDING_DLL -#include "internal.h" - -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; -} - -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; -} diff --git a/lib/sqfs/blk_proc/fragtbl.c b/lib/sqfs/blk_proc/fragment.c index 39e8136..5fa2349 100644 --- a/lib/sqfs/blk_proc/fragtbl.c +++ b/lib/sqfs/blk_proc/fragment.c @@ -72,8 +72,8 @@ static int store_fragment(sqfs_block_processor_t *proc, sqfs_block_t *frag, return 0; } -int handle_fragment(sqfs_block_processor_t *proc, sqfs_block_t *frag, - sqfs_block_t **blk_out) +int process_completed_fragment(sqfs_block_processor_t *proc, sqfs_block_t *frag, + sqfs_block_t **blk_out) { uint64_t hash; size_t i, size; diff --git a/lib/sqfs/blk_proc/internal.h b/lib/sqfs/blk_proc/internal.h index b6a0342..1c403a9 100644 --- a/lib/sqfs/blk_proc/internal.h +++ b/lib/sqfs/blk_proc/internal.h @@ -111,15 +111,8 @@ SQFS_INTERNAL int process_completed_block(sqfs_block_processor_t *proc, sqfs_block_t *block); SQFS_INTERNAL -int handle_fragment(sqfs_block_processor_t *proc, sqfs_block_t *frag, - sqfs_block_t **blk_out); - -SQFS_INTERNAL size_t deduplicate_blocks(sqfs_block_processor_t *proc, - size_t count); - -SQFS_INTERNAL int store_block_location(sqfs_block_processor_t *proc, - uint64_t offset, uint32_t size, - uint32_t chksum); +int process_completed_fragment(sqfs_block_processor_t *proc, sqfs_block_t *frag, + sqfs_block_t **blk_out); SQFS_INTERNAL void free_blk_list(sqfs_block_t *list); diff --git a/lib/sqfs/blk_proc/pthread.c b/lib/sqfs/blk_proc/pthread.c index 57b61c1..7b95c7c 100644 --- a/lib/sqfs/blk_proc/pthread.c +++ b/lib/sqfs/blk_proc/pthread.c @@ -226,7 +226,7 @@ static int process_done_queue(sqfs_block_processor_t *proc, if (it->flags & SQFS_BLK_IS_FRAGMENT) { block = NULL; - status = handle_fragment(proc, it, &block); + status = process_completed_fragment(proc, it, &block); if (block != NULL && status == 0) { pthread_mutex_lock(&proc->mtx); diff --git a/lib/sqfs/blk_proc/serial.c b/lib/sqfs/blk_proc/serial.c index 67272a3..fcbf002 100644 --- a/lib/sqfs/blk_proc/serial.c +++ b/lib/sqfs/blk_proc/serial.c @@ -54,7 +54,8 @@ int sqfs_block_processor_enqueue(sqfs_block_processor_t *proc, if (block->flags & SQFS_BLK_IS_FRAGMENT) { block->checksum = crc32(0, block->data, block->size); - proc->status = handle_fragment(proc, block, &fragblk); + proc->status = process_completed_fragment(proc, block, + &fragblk); free(block); if (proc->status != 0) { |