121 lines
3.2 KiB
C++
121 lines
3.2 KiB
C++
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Zip alignment tool
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*/
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#include "ZipAlign.h"
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#include <getopt.h>
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#include <stdio.h>
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#include <stdlib.h>
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using namespace android;
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/*
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* Show program usage.
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*/
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void usage(void)
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{
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fprintf(stderr, "Zip alignment utility\n");
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fprintf(stderr, "Copyright (C) 2009 The Android Open Source Project\n\n");
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fprintf(stderr,
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"Usage: zipalign [-f] [-p] [-v] [-z] <align> infile.zip outfile.zip\n"
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" zipalign -c [-p] [-v] <align> infile.zip\n\n" );
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fprintf(stderr,
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" <align>: alignment in bytes, e.g. '4' provides 32-bit alignment\n");
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fprintf(stderr, " -c: check alignment only (does not modify file)\n");
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fprintf(stderr, " -f: overwrite existing outfile.zip\n");
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fprintf(stderr, " -p: page-align uncompressed .so files\n");
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fprintf(stderr, " -v: verbose output\n");
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fprintf(stderr, " -z: recompress using Zopfli\n");
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}
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/*
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* Parse args.
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*/
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int main(int argc, char* const argv[])
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{
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bool wantUsage = false;
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bool check = false;
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bool force = false;
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bool verbose = false;
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bool zopfli = false;
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bool pageAlignSharedLibs = false;
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int result = 1;
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int alignment;
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char* endp;
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int opt;
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while ((opt = getopt(argc, argv, "fcpvz")) != -1) {
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switch (opt) {
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case 'c':
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check = true;
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break;
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case 'f':
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force = true;
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break;
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case 'v':
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verbose = true;
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break;
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case 'z':
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zopfli = true;
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break;
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case 'p':
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pageAlignSharedLibs = true;
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break;
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default:
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fprintf(stderr, "ERROR: unknown flag -%c\n", opt);
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wantUsage = true;
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goto bail;
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}
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}
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if (!((check && (argc - optind) == 2) || (!check && (argc - optind) == 3))) {
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wantUsage = true;
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goto bail;
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}
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alignment = strtol(argv[optind], &endp, 10);
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if (*endp != '\0' || alignment <= 0) {
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fprintf(stderr, "Invalid value for alignment: %s\n", argv[optind]);
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wantUsage = true;
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goto bail;
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}
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if (check) {
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/* check existing archive for correct alignment */
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result = verify(argv[optind + 1], alignment, verbose, pageAlignSharedLibs);
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} else {
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/* create the new archive */
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result = process(argv[optind + 1], argv[optind + 2], alignment, force, zopfli, pageAlignSharedLibs);
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/* trust, but verify */
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if (result == 0) {
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result = verify(argv[optind + 2], alignment, verbose, pageAlignSharedLibs);
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}
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}
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bail:
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if (wantUsage) {
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usage();
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result = 2;
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}
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return result;
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}
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