mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-27 18:17:32 +02:00
squashfs4: add lzma support (kernel support still missing)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15884 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
parent
96978375cc
commit
5441e7e9d6
@ -21,6 +21,7 @@ tools-dep += lzma
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# builddir dependencies
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$(curdir)/squashfs/compile := $(curdir)/lzma-old/install
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$(curdir)/squashfs4/compile := $(curdir)/lzma/install
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$(curdir)/quilt/compile := $(curdir)/sed/install
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$(curdir)/dtc/compile := $(curdir)/bison/install
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$(curdir)/autoconf/compile := $(curdir)/m4/install
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@ -20,6 +20,9 @@ include $(INCLUDE_DIR)/host-build.mk
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define Host/Compile
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$(MAKE) -C $(HOST_BUILD_DIR)/squashfs-tools \
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USE_LZMA=1 \
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LZMA_CFLAGS="-I$(STAGING_DIR_HOST)/include -DUSE_LZMA" \
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LZMA_LIB="$(STAGING_DIR_HOST)/lib/liblzma.a" \
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mksquashfs unsquashfs
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endef
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24
tools/squashfs4/patches/100-portability.patch
Normal file
24
tools/squashfs4/patches/100-portability.patch
Normal file
@ -0,0 +1,24 @@
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--- a/squashfs-tools/global.h
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+++ b/squashfs-tools/global.h
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@@ -44,4 +44,8 @@ typedef long long squashfs_fragment_inde
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typedef squashfs_inode_t squashfs_inode;
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typedef squashfs_block_t squashfs_block;
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+#ifndef FNM_EXTMATCH
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+#define FNM_EXTMATCH 0
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+#endif
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+
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#endif
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--- a/squashfs-tools/unsquashfs.h
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+++ b/squashfs-tools/unsquashfs.h
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@@ -49,8 +49,10 @@
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#define __BYTE_ORDER BYTE_ORDER
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#define __BIG_ENDIAN BIG_ENDIAN
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#define __LITTLE_ENDIAN LITTLE_ENDIAN
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+#include <sys/sysctl.h>
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#else
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#include <endian.h>
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+#include <sys/sysinfo.h>
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#endif
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#include "squashfs_fs.h"
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444
tools/squashfs4/patches/110-lzma.patch
Normal file
444
tools/squashfs4/patches/110-lzma.patch
Normal file
@ -0,0 +1,444 @@
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--- a/squashfs-tools/mksquashfs.c
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+++ b/squashfs-tools/mksquashfs.c
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@@ -64,6 +64,18 @@
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#include "global.h"
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#include "sort.h"
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#include "pseudo.h"
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+#include "uncompress.h"
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+
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+#ifdef USE_LZMA
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+#include <LzmaEnc.h>
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+#include <LzmaDec.h>
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+#define LZMA_DEFAULT_LEVEL 5
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+#define LZMA_DEFAULT_DICT 0
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+#define LZMA_DEFAULT_LC 1
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+#define LZMA_DEFAULT_LP 2
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+#define LZMA_DEFAULT_PB 2
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+#define LZMA_DEFAULT_FB 32
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+#endif
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#ifdef SQUASHFS_TRACE
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#define TRACE(s, args...) do { \
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@@ -830,6 +842,19 @@ void sigalrm_handler()
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rotate = (rotate + 1) % 4;
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}
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+#ifdef USE_LZMA
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+static void *lzma_malloc(void *p, size_t size)
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+{
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+ (void)p;
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+ return malloc(size);
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+}
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+static void lzma_free(void *p, void *addr)
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+{
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+ (void)p;
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+ free(addr);
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+}
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+static ISzAlloc lzma_alloc = { lzma_malloc, lzma_free };
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+#endif
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unsigned int mangle2(z_stream **strm, char *d, char *s, int size,
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int block_size, int uncompressed, int data_block)
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@@ -841,6 +866,48 @@ unsigned int mangle2(z_stream **strm, ch
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if(uncompressed)
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goto notcompressed;
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+#ifdef USE_LZMA
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+ if (compression == LZMA_COMPRESSION) {
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+ size_t outsize = block_size - LZMA_PROPS_SIZE;
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+ size_t propsize = LZMA_PROPS_SIZE;
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+ CLzmaEncProps props;
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+
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+ LzmaEncProps_Init(&props);
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+ props.level = LZMA_DEFAULT_LEVEL;
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+ props.dictSize = LZMA_DEFAULT_DICT;
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+ props.lc = LZMA_DEFAULT_LC;
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+ props.lp = LZMA_DEFAULT_LP;
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+ props.pb = LZMA_DEFAULT_PB;
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+ props.fb = LZMA_DEFAULT_FB;
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+ props.numThreads = 1;
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+
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+ res = LzmaEncode((unsigned char *) d + LZMA_PROPS_SIZE, &outsize,
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+ (unsigned char *) s, size,
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+ &props, (unsigned char *) d, &propsize,
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+ 1, NULL, &lzma_alloc, &lzma_alloc);
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+ switch(res) {
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+ case SZ_OK:
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+ outsize += LZMA_PROPS_SIZE;
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+ break;
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+ case SZ_ERROR_DATA:
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+ BAD_ERROR("lzma::compress failed, data error\n");
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+ break;
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+ case SZ_ERROR_MEM:
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+ BAD_ERROR("lzma::compress failed, memory allocation error\n");
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+ break;
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+ case SZ_ERROR_PARAM:
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+ BAD_ERROR("lzma::compress failed, invalid parameters\n");
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+ break;
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+ /* should not happen */
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+ default:
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+ BAD_ERROR("lzma::compress failed, unknown error\n");
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+ break;
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+ }
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+
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+ return outsize;
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+ }
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+#endif
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+
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if(stream == NULL) {
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if((stream = *strm = malloc(sizeof(z_stream))) == NULL)
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BAD_ERROR("mangle::compress failed, not enough "
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@@ -1669,17 +1736,17 @@ struct file_buffer *get_fragment(struct
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else
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data = read_from_disk(start_block, size);
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- res = uncompress((unsigned char *) buffer->data, &bytes,
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+ res = uncompress_wrapper((unsigned char *) buffer->data, &bytes,
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(const unsigned char *) data, size);
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if(res != Z_OK) {
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if(res == Z_MEM_ERROR)
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- BAD_ERROR("zlib::uncompress failed, not enough "
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+ BAD_ERROR("uncompress failed, not enough "
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"memory\n");
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else if(res == Z_BUF_ERROR)
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- BAD_ERROR("zlib::uncompress failed, not enough "
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+ BAD_ERROR("uncompress failed, not enough "
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"room in output buffer\n");
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else
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- BAD_ERROR("zlib::uncompress failed,"
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+ BAD_ERROR("uncompress failed,"
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" unknown error %d\n", res);
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}
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} else if(compressed_buffer)
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@@ -4282,6 +4349,10 @@ int main(int argc, char *argv[])
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argv[0]);
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exit(1);
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}
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+#ifdef USE_LZMA
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+ } else if(strcmp(argv[i], "-lzma") == 0) {
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+ compression = LZMA_COMPRESSION;
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+#endif
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} else if(strcmp(argv[i], "-ef") == 0) {
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if(++i == argc) {
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ERROR("%s: -ef missing filename\n", argv[0]);
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@@ -4410,6 +4481,9 @@ printOptions:
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ERROR("-b <block_size>\t\tset data block to "
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"<block_size>. Default %d bytes\n",
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SQUASHFS_FILE_SIZE);
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+#ifdef USE_LZMA
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+ ERROR("-lzma Enable LZMA compression\n");
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+#endif
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ERROR("-processors <number>\tUse <number> processors."
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" By default will use number of\n");
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ERROR("\t\t\tprocessors available\n");
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@@ -4804,7 +4878,7 @@ restore_filesystem:
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sBlk.bytes_used = bytes;
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/* Only compression supported */
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- sBlk.compression = ZLIB_COMPRESSION;
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+ sBlk.compression = compression;
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/* Xattrs are not currently supported */
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sBlk.xattr_table_start = SQUASHFS_INVALID_BLK;
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--- a/squashfs-tools/squashfs_fs.h
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+++ b/squashfs-tools/squashfs_fs.h
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@@ -229,6 +229,7 @@ typedef long long squashfs_block_t;
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typedef long long squashfs_inode_t;
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#define ZLIB_COMPRESSION 1
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+#define LZMA_COMPRESSION 2
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struct squashfs_super_block {
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unsigned int s_magic;
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--- a/squashfs-tools/Makefile
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+++ b/squashfs-tools/Makefile
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@@ -4,14 +4,20 @@ INCLUDEDIR = .
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CFLAGS := -I$(INCLUDEDIR) -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE -O2
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+ifdef USE_LZMA
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+ LZMA_CFLAGS = -DUSE_LZMA
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+ LZMA_LIB = -llzma
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+ CFLAGS += $(LZMA_CFLAGS)
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+endif
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+
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all: mksquashfs unsquashfs
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-mksquashfs: mksquashfs.o read_fs.o sort.o swap.o pseudo.o
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- $(CC) mksquashfs.o read_fs.o sort.o swap.o pseudo.o -lz -lpthread -lm -o $@
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+mksquashfs: mksquashfs.o read_fs.o sort.o swap.o pseudo.o uncompress.o
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+ $(CC) mksquashfs.o read_fs.o sort.o swap.o pseudo.o uncompress.o -lz -lpthread -lm $(LZMA_LIB) -o $@
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-mksquashfs.o: mksquashfs.c squashfs_fs.h mksquashfs.h global.h sort.h squashfs_swap.h Makefile
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+mksquashfs.o: mksquashfs.c squashfs_fs.h mksquashfs.h global.h sort.h squashfs_swap.h uncompress.h Makefile
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-read_fs.o: read_fs.c squashfs_fs.h read_fs.h global.h squashfs_swap.h Makefile
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+read_fs.o: read_fs.c squashfs_fs.h read_fs.h global.h squashfs_swap.h uncompress.h Makefile
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sort.o: sort.c squashfs_fs.h global.h sort.h Makefile
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@@ -19,18 +25,20 @@ swap.o: swap.c Makefile
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pseudo.o: pseudo.c pseudo.h Makefile
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-unsquashfs: unsquashfs.o unsquash-1.o unsquash-2.o unsquash-3.o unsquash-4.o swap.o
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- $(CC) unsquashfs.o unsquash-1.o unsquash-2.o unsquash-3.o unsquash-4.o swap.o -lz -lpthread -lm -o $@
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+uncompress.o: uncompress.c uncompress.h
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+
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+unsquashfs: unsquashfs.o unsquash-1.o unsquash-2.o unsquash-3.o unsquash-4.o swap.o uncompress.o
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+ $(CC) unsquashfs.o unsquash-1.o unsquash-2.o unsquash-3.o unsquash-4.o swap.o uncompress.o -lz -lpthread -lm $(LZMA_LIB) -o $@
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-unsquashfs.o: unsquashfs.h unsquashfs.c squashfs_fs.h squashfs_swap.h squashfs_compat.h global.h Makefile
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+unsquashfs.o: unsquashfs.h unsquashfs.c squashfs_fs.h squashfs_swap.h squashfs_compat.h global.h uncompress.h Makefile
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-unsquash-1.o: unsquashfs.h unsquash-1.c squashfs_fs.h squashfs_compat.h global.h Makefile
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+unsquash-1.o: unsquashfs.h unsquash-1.c squashfs_fs.h squashfs_compat.h global.h uncompress.h Makefile
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-unsquash-2.o: unsquashfs.h unsquash-2.c unsquashfs.h squashfs_fs.h squashfs_compat.h global.h Makefile
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+unsquash-2.o: unsquashfs.h unsquash-2.c unsquashfs.h squashfs_fs.h squashfs_compat.h global.h uncompress.h Makefile
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-unsquash-3.o: unsquashfs.h unsquash-3.c squashfs_fs.h squashfs_compat.h global.h Makefile
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+unsquash-3.o: unsquashfs.h unsquash-3.c squashfs_fs.h squashfs_compat.h global.h uncompress.h Makefile
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-unsquash-4.o: unsquashfs.h unsquash-4.c squashfs_fs.h squashfs_swap.h global.h Makefile
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+unsquash-4.o: unsquashfs.h unsquash-4.c squashfs_fs.h squashfs_swap.h global.h uncompress.h Makefile
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clean:
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-rm -f *.o mksquashfs unsquashfs
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--- a/squashfs-tools/read_fs.c
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+++ b/squashfs-tools/read_fs.c
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@@ -51,6 +51,7 @@ extern unsigned int get_guid(unsigned in
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#include "squashfs_swap.h"
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#include "read_fs.h"
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#include "global.h"
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+#include "uncompress.h"
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#include <stdlib.h>
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@@ -83,17 +84,17 @@ int read_block(int fd, long long start,
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c_byte = SQUASHFS_COMPRESSED_SIZE(c_byte);
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read_destination(fd, start + offset, c_byte, buffer);
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- res = uncompress(block, &bytes, (const unsigned char *) buffer,
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- c_byte);
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+ res = uncompress_wrapper(block, &bytes,
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+ (const unsigned char *) buffer, c_byte);
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if(res != Z_OK) {
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if(res == Z_MEM_ERROR)
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- ERROR("zlib::uncompress failed, not enough "
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+ ERROR("uncompress failed, not enough "
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"memory\n");
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else if(res == Z_BUF_ERROR)
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- ERROR("zlib::uncompress failed, not enough "
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+ ERROR("uncompress failed, not enough "
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"room in output buffer\n");
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else
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- ERROR("zlib::uncompress failed, unknown error "
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+ ERROR("uncompress failed, unknown error "
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"%d\n", res);
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return 0;
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}
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--- a/squashfs-tools/unsquashfs.c
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+++ b/squashfs-tools/unsquashfs.c
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@@ -24,6 +24,7 @@
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#include "unsquashfs.h"
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#include "squashfs_swap.h"
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#include "squashfs_compat.h"
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+#include "uncompress.h"
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#include "read_fs.h"
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struct cache *fragment_cache, *data_cache;
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@@ -597,18 +598,17 @@ int read_block(long long start, long lon
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if(read_bytes(start + offset, c_byte, buffer) == FALSE)
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goto failed;
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- res = uncompress((unsigned char *) block, &bytes,
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+ res = uncompress_wrapper((unsigned char *) block, &bytes,
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(const unsigned char *) buffer, c_byte);
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-
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if(res != Z_OK) {
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if(res == Z_MEM_ERROR)
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- ERROR("zlib::uncompress failed, not enough "
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+ ERROR("uncompress failed, not enough "
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"memory\n");
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else if(res == Z_BUF_ERROR)
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- ERROR("zlib::uncompress failed, not enough "
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+ ERROR("uncompress failed, not enough "
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"room in output buffer\n");
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else
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- ERROR("zlib::uncompress failed, unknown error "
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+ ERROR("uncompress failed, unknown error "
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"%d\n", res);
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goto failed;
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}
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@@ -645,18 +645,17 @@ int read_data_block(long long start, uns
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if(read_bytes(start, c_byte, data) == FALSE)
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goto failed;
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- res = uncompress((unsigned char *) block, &bytes,
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+ res = uncompress_wrapper((unsigned char *) block, &bytes,
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(const unsigned char *) data, c_byte);
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-
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if(res != Z_OK) {
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if(res == Z_MEM_ERROR)
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- ERROR("zlib::uncompress failed, not enough "
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+ ERROR("uncompress failed, not enough "
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"memory\n");
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else if(res == Z_BUF_ERROR)
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- ERROR("zlib::uncompress failed, not enough "
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+ ERROR("uncompress failed, not enough "
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"room in output buffer\n");
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else
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- ERROR("zlib::uncompress failed, unknown error "
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+ ERROR("uncompress failed, unknown error "
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"%d\n", res);
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goto failed;
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}
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@@ -1459,7 +1458,7 @@ int read_super(char *source)
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s_ops.read_inode = read_inode_4;
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s_ops.read_uids_guids = read_uids_guids_4;
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memcpy(&sBlk, &sBlk_4, sizeof(sBlk_4));
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- return TRUE;
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+ goto done;
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}
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/*
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@@ -1548,6 +1547,9 @@ int read_super(char *source)
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goto failed_mount;
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}
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+done:
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+ compression = sBlk.compression;
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+
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return TRUE;
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failed_mount:
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@@ -1710,19 +1712,19 @@ void *deflator(void *arg)
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int res;
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unsigned long bytes = block_size;
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- res = uncompress((unsigned char *) tmp, &bytes,
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+ res = uncompress_wrapper((unsigned char *) tmp, &bytes,
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(const unsigned char *) entry->data,
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SQUASHFS_COMPRESSED_SIZE_BLOCK(entry->size));
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if(res != Z_OK) {
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if(res == Z_MEM_ERROR)
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- ERROR("zlib::uncompress failed, not enough"
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+ ERROR("uncompress failed, not enough"
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"memory\n");
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else if(res == Z_BUF_ERROR)
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- ERROR("zlib::uncompress failed, not enough "
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+ ERROR("uncompress failed, not enough "
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"room in output buffer\n");
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else
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- ERROR("zlib::uncompress failed, unknown error "
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+ ERROR("uncompress failed, unknown error "
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"%d\n", res);
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} else
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memcpy(entry->data, tmp, bytes);
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--- a/squashfs-tools/mksquashfs.h
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+++ b/squashfs-tools/mksquashfs.h
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@@ -41,4 +41,9 @@
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#define SQUASHFS_SWAP_LONG_LONGS(s, d, n) \
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memcpy(d, s, n * sizeof(long long))
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#endif
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+
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+extern int uncompress_wrapper(unsigned char *dest, unsigned long *dest_len,
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+ const unsigned char *src, unsigned long src_len);
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+
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+
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#endif
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--- /dev/null
|
||||
+++ b/squashfs-tools/uncompress.c
|
||||
@@ -0,0 +1,58 @@
|
||||
+/*
|
||||
+ * Copyright (c) 2009 Felix Fietkau <nbd@openwrt.org>
|
||||
+ *
|
||||
+ * This program is free software; you can redistribute it and/or
|
||||
+ * modify it under the terms of the GNU General Public License
|
||||
+ * as published by the Free Software Foundation; either version 2,
|
||||
+ * or (at your option) any later version.
|
||||
+ *
|
||||
+ * This program is distributed in the hope that it will be useful,
|
||||
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
+ * GNU General Public License for more details.
|
||||
+ *
|
||||
+ * You should have received a copy of the GNU General Public License
|
||||
+ * along with this program; if not, write to the Free Software
|
||||
+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
+ *
|
||||
+ * uncompress.c
|
||||
+ */
|
||||
+
|
||||
+
|
||||
+
|
||||
+#ifdef USE_LZMA
|
||||
+#include <LzmaLib.h>
|
||||
+#endif
|
||||
+#include <zlib.h>
|
||||
+#include "squashfs_fs.h"
|
||||
+
|
||||
+/* compression algorithm */
|
||||
+int compression = ZLIB_COMPRESSION;
|
||||
+
|
||||
+
|
||||
+int uncompress_wrapper(unsigned char *dest, unsigned long *dest_len,
|
||||
+ const unsigned char *src, unsigned long src_len)
|
||||
+{
|
||||
+ int res;
|
||||
+
|
||||
+#ifdef USE_LZMA
|
||||
+ if (compression == LZMA_COMPRESSION) {
|
||||
+ size_t slen = src_len - LZMA_PROPS_SIZE;
|
||||
+ res = LzmaUncompress((unsigned char *)dest, dest_len,
|
||||
+ (const unsigned char *) src + LZMA_PROPS_SIZE, &slen,
|
||||
+ (const unsigned char *) src, LZMA_PROPS_SIZE);
|
||||
+ switch(res) {
|
||||
+ case SZ_OK:
|
||||
+ res = Z_OK;
|
||||
+ break;
|
||||
+ case SZ_ERROR_MEM:
|
||||
+ res = Z_MEM_ERROR;
|
||||
+ break;
|
||||
+ }
|
||||
+ } else
|
||||
+#endif
|
||||
+ res = uncompress(dest, dest_len, src, src_len);
|
||||
+ return res;
|
||||
+}
|
||||
+
|
||||
+
|
||||
--- /dev/null
|
||||
+++ b/squashfs-tools/uncompress.h
|
||||
@@ -0,0 +1,29 @@
|
||||
+/*
|
||||
+ * Copyright (c) 2009 Felix Fietkau <nbd@openwrt.org>
|
||||
+ *
|
||||
+ * This program is free software; you can redistribute it and/or
|
||||
+ * modify it under the terms of the GNU General Public License
|
||||
+ * as published by the Free Software Foundation; either version 2,
|
||||
+ * or (at your option) any later version.
|
||||
+ *
|
||||
+ * This program is distributed in the hope that it will be useful,
|
||||
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
+ * GNU General Public License for more details.
|
||||
+ *
|
||||
+ * You should have received a copy of the GNU General Public License
|
||||
+ * along with this program; if not, write to the Free Software
|
||||
+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
+ *
|
||||
+ * uncompress.h
|
||||
+ */
|
||||
+
|
||||
+#ifdef USE_LZMA
|
||||
+#include <LzmaLib.h>
|
||||
+#endif
|
||||
+
|
||||
+extern int compression;
|
||||
+extern int uncompress_wrapper(unsigned char *dest, unsigned long *dest_len,
|
||||
+ const unsigned char *src, unsigned long src_len);
|
||||
+
|
||||
+
|
||||
Loading…
Reference in New Issue
Block a user