/*
* 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 <getopt.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] [-P <pagesize_kb>] [-v] [-z] <align> infile.zip outfile.zip\n"
" zipalign -c [-p] [-P <pagesize_kb>] [-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: 4kb page-align uncompressed .so files\n" );
fprintf(stderr, " -v: verbose output\n" );
fprintf(stderr, " -z: recompress using Zopfli\n" );
fprintf(stderr, " -P <pagesize_kb>: Align uncompressed .so files to the specified\n" );
fprintf(stderr, " page size. Valid values for <pagesize_kb> are 4, 16\n" );
fprintf(stderr, " and 64. '-P' cannot be used in combination with '-p'.\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 pageSize = 4096 ;
bool legacyPageAlignmentFlag = false ; // -p
bool pageAlignmentFlag = false ; // -P <pagesize_kb>
int result = 1 ;
int alignment;
char * endp;
int opt;
while ((opt = getopt(argc, argv, "fcpvzP:" )) != -1 ) {
switch (opt) {
case 'c' :
check = true ;
break ;
case 'f' :
force = true ;
break ;
case 'v' :
verbose = true ;
break ;
case 'z' :
zopfli = true ;
break ;
case 'p' :
legacyPageAlignmentFlag = true ;
pageAlignSharedLibs = true ;
pageSize = 4096 ;
break ;
case 'P' :
pageAlignmentFlag = true ;
pageAlignSharedLibs = true ;
if (!optarg) {
fprintf(stderr, "ERROR: -P requires an argument\n" );
wantUsage = true ;
goto bail;
}
pageSize = atoi(optarg);
if (pageSize != 4 && pageSize != 16 && pageSize != 64 ) {
fprintf(stderr, "ERROR: Invalid argument for -P: %s\n" , optarg);
wantUsage = true ;
goto bail;
}
pageSize *= 1024 ; // Convert from kB to bytes.
break ;
default :
fprintf(stderr, "ERROR: unknown flag -%c\n" , opt);
wantUsage = true ;
goto bail;
}
}
if (legacyPageAlignmentFlag && pageAlignmentFlag) {
fprintf(stderr, "ERROR: Invalid options: '-P <pagesize_kb>' and '-p'"
"cannot be used in combination.\n" );
wantUsage = true ;
goto bail;
}
if (!((check && (argc - optind) == 2 ) || (!check && (argc - optind) == 3 ))) {
wantUsage = true ;
goto bail;
}
alignment = strtol(argv[optind], &endp, 10 );
if (*endp != '\0' || alignment <= 0 ) {
fprintf(stderr, "Invalid value for alignment: %s\n" , argv[optind]);
wantUsage = true ;
goto bail;
}
if (check) {
/* check existing archive for correct alignment */
result = verify(argv[optind + 1 ], alignment, verbose, pageAlignSharedLibs, pageSize);
} else {
/* create the new archive */
result = process(argv[optind + 1 ], argv[optind + 2 ], alignment, force, zopfli,
pageAlignSharedLibs, pageSize);
/* trust, but verify */
if (result == 0 ) {
result = verify(argv[optind + 2 ], alignment, verbose, pageAlignSharedLibs, pageSize);
}
}
bail:
if (wantUsage) {
usage();
result = 2 ;
}
return result;
}
Messung V0.5 in Prozent C=90 H=93 G=91
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-28)
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