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upload android base code part6

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22
android/system/extras/squashfs_utils/Android.bp Normal file
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// Copyright 2015 The Android Open Source Project
cc_library_static {
name: "libsquashfs_utils",
host_supported: true,
srcs: [
"squashfs_utils.c",
],
include_dirs: ["external/squashfs-tools/squashfs-tools"],
export_include_dirs: ["."],
static_libs: [
"libcutils",
],
target: {
host: {
cflags: ["-Wall", "-Werror", "-D_GNU_SOURCE", "-DSQUASHFS_NO_KLOG"]
},
},
}

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android/system/extras/squashfs_utils/Android.mk Normal file
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# Copyright 2015 The Android Open Source Project
LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE := mksquashfsimage.sh
LOCAL_SRC_FILES := mksquashfsimage.sh
LOCAL_MODULE_CLASS := EXECUTABLES
# We don't need any additional suffix.
LOCAL_MODULE_SUFFIX :=
LOCAL_BUILT_MODULE_STEM := $(notdir $(LOCAL_SRC_FILES))
LOCAL_IS_HOST_MODULE := true
LOCAL_MODULE_HOST_OS := linux darwin
include $(BUILD_PREBUILT)

190
android/system/extras/squashfs_utils/NOTICE Normal file
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Copyright (c) 2015, The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
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"Licensor" shall mean the copyright owner or entity authorized by
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"You" (or "Your") shall mean an individual or Legal Entity
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"Work" shall mean the work of authorship, whether in Source or
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(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
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represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
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"Contribution" shall mean any work of authorship, including
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designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
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2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
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Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
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(d) If the Work includes a "NOTICE" text file as part of its
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of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
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that such additional attribution notices cannot be construed
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You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
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5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
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Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
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6. Trademarks. This License does not grant permission to use the trade
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7. Disclaimer of Warranty. Unless required by applicable law or
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unless required by applicable law (such as deliberate and grossly
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END OF TERMS AND CONDITIONS

145
android/system/extras/squashfs_utils/mksquashfsimage.sh Executable file
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#!/bin/bash
#
# To call this script, make sure mksquashfs is somewhere in PATH
function usage() {
cat<<EOT
Usage:
${0##*/} SRC_DIR OUTPUT_FILE [-s] [-m MOUNT_POINT] [-d PRODUCT_OUT] [-C FS_CONFIG ] [-c FILE_CONTEXTS] [-B BLOCK_MAP_FILE] [-b BLOCK_SIZE] [-z COMPRESSOR] [-zo COMPRESSOR_OPT] [-t COMPRESS_THRESHOLD] [-w WHITELIST_FILE] [-a]
EOT
}
echo "in mksquashfsimage.sh PATH=$PATH"
if [ $# -lt 2 ]; then
usage
exit 1
fi
SRC_DIR=$1
if [ ! -d $SRC_DIR ]; then
echo "Can not find directory $SRC_DIR!"
exit 2
fi
OUTPUT_FILE=$2
shift; shift
SPARSE=false
if [[ "$1" == "-s" ]]; then
SPARSE=true
shift;
fi
MOUNT_POINT=
if [[ "$1" == "-m" ]]; then
MOUNT_POINT=$2
shift; shift
fi
PRODUCT_OUT=
if [[ "$1" == "-d" ]]; then
PRODUCT_OUT=$2
shift; shift
fi
FS_CONFIG=
if [[ "$1" == "-C" ]]; then
FS_CONFIG=$2
shift; shift
fi
FILE_CONTEXTS=
if [[ "$1" == "-c" ]]; then
FILE_CONTEXTS=$2
shift; shift
fi
BLOCK_MAP_FILE=
if [[ "$1" == "-B" ]]; then
BLOCK_MAP_FILE=$2
shift; shift
fi
BLOCK_SIZE=131072
if [[ "$1" == "-b" ]]; then
BLOCK_SIZE=$2
shift; shift
fi
COMPRESSOR="lz4"
COMPRESSOR_OPT="-Xhc"
if [[ "$1" == "-z" ]]; then
COMPRESSOR=$2
COMPRESSOR_OPT=
shift; shift
fi
if [[ "$1" == "-zo" ]]; then
COMPRESSOR_OPT=$2
shift; shift
fi
COMPRESS_THRESHOLD=0
if [[ "$1" == "-t" ]]; then
COMPRESS_THRESHOLD=$2
shift; shift
fi
WHITELIST_FILE=
if [[ "$1" == "-w" ]]; then
WHITELIST_FILE=$2
shift; shift
fi
DISABLE_4K_ALIGN=false
if [[ "$1" == "-a" ]]; then
DISABLE_4K_ALIGN=true
shift;
fi
OPT=""
if [ -n "$MOUNT_POINT" ]; then
OPT="$OPT -mount-point $MOUNT_POINT"
fi
if [ -n "$PRODUCT_OUT" ]; then
OPT="$OPT -product-out $PRODUCT_OUT"
fi
if [ -n "$FS_CONFIG" ]; then
OPT="$OPT -fs-config-file $FS_CONFIG"
fi
if [ -n "$FILE_CONTEXTS" ]; then
OPT="$OPT -context-file $FILE_CONTEXTS"
fi
if [ -n "$BLOCK_MAP_FILE" ]; then
OPT="$OPT -block-map $BLOCK_MAP_FILE"
fi
if [ -n "$BLOCK_SIZE" ]; then
OPT="$OPT -b $BLOCK_SIZE"
fi
if [ -n "$COMPRESS_THRESHOLD" ]; then
OPT="$OPT -t $COMPRESS_THRESHOLD"
fi
if [ "$DISABLE_4K_ALIGN" = true ]; then
OPT="$OPT -disable-4k-align"
fi
if [ -n "$WHITELIST_FILE" ]; then
OPT="$OPT -whitelist $WHITELIST_FILE"
fi
MAKE_SQUASHFS_CMD="mksquashfs $SRC_DIR/ $OUTPUT_FILE -no-progress -comp $COMPRESSOR $COMPRESSOR_OPT -no-exports -noappend -no-recovery -no-fragments -no-duplicates -android-fs-config $OPT"
echo $MAKE_SQUASHFS_CMD
$MAKE_SQUASHFS_CMD
if [ $? -ne 0 ]; then
exit 4
fi
SPARSE_SUFFIX=".sparse"
if [ "$SPARSE" = true ]; then
img2simg $OUTPUT_FILE $OUTPUT_FILE$SPARSE_SUFFIX
if [ $? -ne 0 ]; then
exit 4
fi
mv $OUTPUT_FILE$SPARSE_SUFFIX $OUTPUT_FILE
fi

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android/system/extras/squashfs_utils/squashfs_utils.c Normal file
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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "squashfs_utils.h"
#include <cutils/fs.h>
#include <cutils/klog.h>
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "squashfs_fs.h"
#ifdef SQUASHFS_NO_KLOG
#include <stdio.h>
#define ERROR(x...) fprintf(stderr, x)
#else
#define ERROR(x...) KLOG_ERROR("squashfs_utils", x)
#endif
size_t squashfs_get_sb_size()
{
return sizeof(struct squashfs_super_block);
}
int squashfs_parse_sb_buffer(const void *buf, struct squashfs_info *info)
{
const struct squashfs_super_block *sb =
(const struct squashfs_super_block *)buf;
if (sb->s_magic != SQUASHFS_MAGIC) {
return -1;
}
info->block_size = sb->block_size;
info->inodes = sb->inodes;
info->bytes_used = sb->bytes_used;
// by default mksquashfs pads the filesystem to 4K blocks
info->bytes_used_4K_padded =
sb->bytes_used + (4096 - (sb->bytes_used & (4096 - 1)));
return 0;
}
int squashfs_parse_sb(const char *blk_device, struct squashfs_info *info)
{
int ret = 0;
struct squashfs_super_block sb;
int data_device;
data_device = TEMP_FAILURE_RETRY(open(blk_device, O_RDONLY | O_CLOEXEC));
if (data_device == -1) {
ERROR("Error opening block device (%s)\n", strerror(errno));
return -1;
}
if (TEMP_FAILURE_RETRY(read(data_device, &sb, sizeof(sb)))
!= sizeof(sb)) {
ERROR("Error reading superblock\n");
ret = -1;
goto cleanup;
}
if (squashfs_parse_sb_buffer(&sb, info) == -1) {
ERROR("Not a valid squashfs filesystem\n");
ret = -1;
goto cleanup;
}
cleanup:
close(data_device);
return ret;
}

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android/system/extras/squashfs_utils/squashfs_utils.h Normal file
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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _SQUASHFS_UTILS_H_
#define _SQUASHFS_UTILS_H_
#include <stddef.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
struct squashfs_info {
uint32_t block_size;
uint32_t inodes;
uint64_t bytes_used;
uint64_t bytes_used_4K_padded;
};
size_t squashfs_get_sb_size();
int squashfs_parse_sb_buffer(const void *data, struct squashfs_info *info);
int squashfs_parse_sb(const char *blk_device, struct squashfs_info *info);
#ifdef __cplusplus
}
#endif
#endif