Refactor zipalign to allow unit tests (0f29f546) · Commits · e / os / android_build

tools/zipalign/Android.bp

+42 −10

Original line number	Diff line number	Diff line
		@@ -4,20 +4,31 @@
		// Zip alignment tool
		//

		cc_binary_host {
		name: "zipalign",
		cc_defaults {
		name: "zipalign_defaults",
		target: {
		windows: {
		host_ldlibs: ["-lpthread"],
		enabled: true,
		},
		},
		}

		cc_library_host_static {
		name: "libzipalign",
		srcs: [
		"ZipAlign.cpp",
		"ZipEntry.cpp",
		"ZipFile.cpp",
		],

		export_include_dirs: [
		"include",
		],
		cflags: ["-Wall", "-Werror"],

		// NOTE: Do not add any shared_libs dependencies because they will break the
		// static_sdk_tools target.
		static_libs: [
		whole_static_libs: [
		"libutils",
		"libcutils",
		"liblog",
		@@ -26,11 +37,32 @@ cc_binary_host {
		"libbase",
		"libzopfli",
		],
		defaults: ["zipalign_defaults"],
		}

		target: {
		windows: {
		host_ldlibs: ["-lpthread"],
		enabled: true,
		},
		},
		cc_binary_host {
		name: "zipalign",
		srcs: [
		"ZipAlignMain.cpp",
		],
		cflags: ["-Wall", "-Werror"],
		static_libs: [
		"libzipalign",
		],
		defaults: ["zipalign_defaults"],
		}

		cc_test_host {
		name: "zipalign_tests",
		srcs: [
		"tests/src/*_test.cpp",
		],
		static_libs: [
		"libzipalign",
		"libgmock",
		],
		data: [
		"tests/data/unaligned.zip",
		],
		defaults: ["zipalign_defaults"],
		}

tools/zipalign/ZipAlign.cpp

+4 −114

Original line number	Diff line number	Diff line
		@@ -14,35 +14,13 @@
		* limitations under the License.
		*/

		/*
		* Zip alignment tool
		*/
		#include "ZipFile.h"

		#include <stdio.h>
		#include <stdlib.h>
		#include <unistd.h>

		using namespace android;

		/*
		* Show program usage.
		*/
		void usage(void)
		{
		fprintf(stderr, "Zip alignment utility\n");
		fprintf(stderr, "Copyright (C) 2009 The Android Open Source Project\n\n");
		fprintf(stderr,
		"Usage: zipalign [-f] [-p] [-v] [-z] <align> infile.zip outfile.zip\n"
		" zipalign -c [-p] [-v] <align> infile.zip\n\n" );
		fprintf(stderr,
		" <align>: alignment in bytes, e.g. '4' provides 32-bit alignment\n");
		fprintf(stderr, " -c: check alignment only (does not modify file)\n");
		fprintf(stderr, " -f: overwrite existing outfile.zip\n");
		fprintf(stderr, " -p: memory page alignment for stored shared object files\n");
		fprintf(stderr, " -v: verbose output\n");
		fprintf(stderr, " -z: recompress using Zopfli\n");
		}
		namespace android {

		static int getAlignment(bool pageAlignSharedLibs, int defaultAlignment,
		ZipEntry* pEntry) {
		@@ -126,7 +104,7 @@ static int copyAndAlign(ZipFile* pZin, ZipFile* pZout, int alignment, bool zopfl
		* Process a file. We open the input and output files, failing if the
		* output file exists and "force" wasn't specified.
		*/
		static int process(const char* inFileName, const char* outFileName,
		int process(const char* inFileName, const char* outFileName,
		int alignment, bool force, bool zopfli, bool pageAlignSharedLibs)
		{
		ZipFile zin, zout;
		@@ -169,7 +147,7 @@ static int process(const char* inFileName, const char* outFileName,
		/*
		* Verify the alignment of a zip archive.
		*/
		static int verify(const char* fileName, int alignment, bool verbose,
		int verify(const char* fileName, int alignment, bool verbose,
		bool pageAlignSharedLibs)
		{
		ZipFile zipFile;
		@@ -218,92 +196,4 @@ static int verify(const char* fileName, int alignment, bool verbose,
		return foundBad ? 1 : 0;
		}

		/*
		* Parse args.
		*/
		int main(int argc, char* const argv[])
		{
		bool wantUsage = false;
		bool check = false;
		bool force = false;
		bool verbose = false;
		bool zopfli = false;
		bool pageAlignSharedLibs = false;
		int result = 1;
		int alignment;
		char* endp;

		if (argc < 4) {
		wantUsage = true;
		goto bail;
		}

		argc--;
		argv++;

		while (argc && argv[0][0] == '-') {
		const char* cp = argv[0] +1;

		while (*cp != '\0') {
		switch (*cp) {
		case 'c':
		check = true;
		break;
		case 'f':
		force = true;
		break;
		case 'v':
		verbose = true;
		break;
		case 'z':
		zopfli = true;
		break;
		case 'p':
		pageAlignSharedLibs = true;
		break;
		default:
		fprintf(stderr, "ERROR: unknown flag -%c\n", *cp);
		wantUsage = true;
		goto bail;
		}

		cp++;
		}

		argc--;
		argv++;
		}

		if (!((check && argc == 2) \|\| (!check && argc == 3))) {
		wantUsage = true;
		goto bail;
		}

		alignment = strtol(argv[0], &endp, 10);
		if (*endp != '\0' \|\| alignment <= 0) {
		fprintf(stderr, "Invalid value for alignment: %s\n", argv[0]);
		wantUsage = true;
		goto bail;
		}

		if (check) {
		/* check existing archive for correct alignment */
		result = verify(argv[1], alignment, verbose, pageAlignSharedLibs);
		} else {
		/* create the new archive */
		result = process(argv[1], argv[2], alignment, force, zopfli, pageAlignSharedLibs);

		/* trust, but verify */
		if (result == 0) {
		result = verify(argv[2], alignment, verbose, pageAlignSharedLibs);
		}
		}

		bail:
		if (wantUsage) {
		usage();
		result = 2;
		}

		return result;
		}
		} // namespace android

tools/zipalign/ZipAlignMain.cpp

0 → 100644

+136 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2008 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.
		*/

		/*
		* Zip alignment tool
		*/

		#include "ZipAlign.h"

		#include <stdio.h>
		#include <stdlib.h>

		using namespace android;

		/*
		* Show program usage.
		*/
		void usage(void)
		{
		fprintf(stderr, "Zip alignment utility\n");
		fprintf(stderr, "Copyright (C) 2009 The Android Open Source Project\n\n");
		fprintf(stderr,
		"Usage: zipalign [-f] [-p] [-v] [-z] <align> infile.zip outfile.zip\n"
		" zipalign -c [-p] [-v] <align> infile.zip\n\n" );
		fprintf(stderr,
		" <align>: alignment in bytes, e.g. '4' provides 32-bit alignment\n");
		fprintf(stderr, " -c: check alignment only (does not modify file)\n");
		fprintf(stderr, " -f: overwrite existing outfile.zip\n");
		fprintf(stderr, " -p: memory page alignment for stored shared object files\n");
		fprintf(stderr, " -v: verbose output\n");
		fprintf(stderr, " -z: recompress using Zopfli\n");
		}


		/*
		* Parse args.
		*/
		int main(int argc, char* const argv[])
		{
		bool wantUsage = false;
		bool check = false;
		bool force = false;
		bool verbose = false;
		bool zopfli = false;
		bool pageAlignSharedLibs = false;
		int result = 1;
		int alignment;
		char* endp;

		if (argc < 4) {
		wantUsage = true;
		goto bail;
		}

		argc--;
		argv++;

		while (argc && argv[0][0] == '-') {
		const char* cp = argv[0] +1;

		while (*cp != '\0') {
		switch (*cp) {
		case 'c':
		check = true;
		break;
		case 'f':
		force = true;
		break;
		case 'v':
		verbose = true;
		break;
		case 'z':
		zopfli = true;
		break;
		case 'p':
		pageAlignSharedLibs = true;
		break;
		default:
		fprintf(stderr, "ERROR: unknown flag -%c\n", *cp);
		wantUsage = true;
		goto bail;
		}

		cp++;
		}

		argc--;
		argv++;
		}

		if (!((check && argc == 2) \|\| (!check && argc == 3))) {
		wantUsage = true;
		goto bail;
		}

		alignment = strtol(argv[0], &endp, 10);
		if (*endp != '\0' \|\| alignment <= 0) {
		fprintf(stderr, "Invalid value for alignment: %s\n", argv[0]);
		wantUsage = true;
		goto bail;
		}

		if (check) {
		/* check existing archive for correct alignment */
		result = verify(argv[1], alignment, verbose, pageAlignSharedLibs);
		} else {
		/* create the new archive */
		result = process(argv[1], argv[2], alignment, force, zopfli, pageAlignSharedLibs);

		/* trust, but verify */
		if (result == 0) {
		result = verify(argv[2], alignment, verbose, pageAlignSharedLibs);
		}
		}

		bail:
		if (wantUsage) {
		usage();
		result = 2;
		}

		return result;
		}

tools/zipalign/ZipEntry.cpp

+3 −1

Original line number	Diff line number	Diff line
		@@ -29,7 +29,7 @@
		#include <string.h>
		#include <time.h>

		using namespace android;
		namespace android {

		/*
		* Initialize a new ZipEntry structure from a FILE* positioned at a
		@@ -696,3 +696,5 @@ void ZipEntry::CentralDirEntry::dump(void) const
		ALOGD(" comment: '%s'\n", mFileComment);
		}

		} // namespace android

tools/zipalign/ZipFile.cpp

+4 −3

Original line number	Diff line number	Diff line
		@@ -35,7 +35,7 @@
		#include <assert.h>
		#include <inttypes.h>

		using namespace android;
		namespace android {

		/*
		* Some environments require the "b", some choke on it.
		@@ -134,7 +134,7 @@ status_t ZipFile::open(const char* zipFileName, int flags)
		/*
		* Return the Nth entry in the archive.
		*/
		android::ZipEntry* ZipFile::getEntryByIndex(int idx) const
		ZipEntry* ZipFile::getEntryByIndex(int idx) const
		{
		if (idx < 0 \|\| idx >= (int) mEntries.size())
		return NULL;
		@@ -145,7 +145,7 @@ android::ZipEntry* ZipFile::getEntryByIndex(int idx) const
		/*
		* Find an entry by name.
		*/
		android::ZipEntry* ZipFile::getEntryByName(const char* fileName) const
		ZipEntry* ZipFile::getEntryByName(const char* fileName) const
		{
		/*
		* Do a stupid linear string-compare search.
		@@ -1397,3 +1397,4 @@ void ZipFile::EndOfCentralDir::dump(void) const
		mCentralDirSize, mCentralDirOffset, mCommentLen);
		}

		} // namespace android