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Diffstat (limited to 'tools/zipalign/ZipAlign.cpp')
| -rw-r--r-- | tools/zipalign/ZipAlign.cpp | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/tools/zipalign/ZipAlign.cpp b/tools/zipalign/ZipAlign.cpp deleted file mode 100644 index 9e3cb66..0000000 --- a/tools/zipalign/ZipAlign.cpp +++ /dev/null @@ -1,253 +0,0 @@ -/* - * 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 "utils/ZipFile.h" - -#include <stdlib.h> -#include <stdio.h> - -using namespace android; - -/* - * Show program usage. - */ -void usage(void) -{ - fprintf(stderr, "Zip alignment utility\n"); - fprintf(stderr, - "Usage: zipalign [-f] [-v] <align> infile.zip outfile.zip\n"); -} - -/* - * Copy all entries from "pZin" to "pZout", aligning as needed. - */ -static int copyAndAlign(ZipFile* pZin, ZipFile* pZout, int alignment) -{ - int numEntries = pZin->getNumEntries(); - ZipEntry* pEntry; - int bias = 0; - status_t status; - - for (int i = 0; i < numEntries; i++) { - ZipEntry* pNewEntry; - int padding = 0; - - pEntry = pZin->getEntryByIndex(i); - if (pEntry == NULL) { - fprintf(stderr, "ERROR: unable to retrieve entry %d\n", i); - return 1; - } - - if (pEntry->isCompressed()) { - /* copy the entry without padding */ - //printf("--- %s: orig at %ld len=%ld (compressed)\n", - // pEntry->getFileName(), (long) pEntry->getFileOffset(), - // (long) pEntry->getUncompressedLen()); - - } else { - /* - * Copy the entry, adjusting as required. We assume that the - * file position in the new file will be equal to the file - * position in the original. - */ - long newOffset = pEntry->getFileOffset() + bias; - padding = (alignment - (newOffset % alignment)) % alignment; - - //printf("--- %s: orig at %ld(+%d) len=%ld, adding pad=%d\n", - // pEntry->getFileName(), (long) pEntry->getFileOffset(), - // bias, (long) pEntry->getUncompressedLen(), padding); - } - - status = pZout->add(pZin, pEntry, padding, &pNewEntry); - if (status != NO_ERROR) - return 1; - bias += padding; - //printf(" added '%s' at %ld (pad=%d)\n", - // pNewEntry->getFileName(), (long) pNewEntry->getFileOffset(), - // padding); - } - - return 0; -} - -/* - * 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 alignment, bool force) -{ - ZipFile zin, zout; - - //printf("PROCESS: align=%d in='%s' out='%s' force=%d\n", - // alignment, inFileName, outFileName, force); - - /* this mode isn't supported -- do a trivial check */ - if (strcmp(inFileName, outFileName) == 0) { - fprintf(stderr, "Input and output can't be same file\n"); - return 1; - } - - /* don't overwrite existing unless given permission */ - if (!force && access(outFileName, F_OK) == 0) { - fprintf(stderr, "Output file '%s' exists\n", outFileName); - return 1; - } - - if (zin.open(inFileName, ZipFile::kOpenReadOnly) != NO_ERROR) { - fprintf(stderr, "Unable to open '%s' as zip archive\n", inFileName); - return 1; - } - if (zout.open(outFileName, - ZipFile::kOpenReadWrite|ZipFile::kOpenCreate|ZipFile::kOpenTruncate) - != NO_ERROR) - { - fprintf(stderr, "Unable to open '%s' as zip archive\n", inFileName); - return 1; - } - - int result = copyAndAlign(&zin, &zout, alignment); - if (result != 0) { - printf("zipalign: failed rewriting '%s' to '%s'\n", - inFileName, outFileName); - } - return result; -} - -/* - * Verify the alignment of a zip archive. - */ -static int verify(const char* fileName, int alignment, bool verbose) -{ - ZipFile zipFile; - bool foundBad = false; - - if (verbose) - printf("Verifying alignment of %s (%d)...\n", fileName, alignment); - - if (zipFile.open(fileName, ZipFile::kOpenReadOnly) != NO_ERROR) { - fprintf(stderr, "Unable to open '%s' for verification\n", fileName); - return 1; - } - - int numEntries = zipFile.getNumEntries(); - ZipEntry* pEntry; - - for (int i = 0; i < numEntries; i++) { - pEntry = zipFile.getEntryByIndex(i); - if (pEntry->isCompressed()) { - if (verbose) { - printf("%8ld %s (OK - compressed)\n", - (long) pEntry->getFileOffset(), pEntry->getFileName()); - } - } else { - long offset = pEntry->getFileOffset(); - if ((offset % alignment) != 0) { - if (verbose) { - printf("%8ld %s (BAD - %ld)\n", - (long) offset, pEntry->getFileName(), - offset % alignment); - } - foundBad = true; - } else { - if (verbose) { - printf("%8ld %s (OK)\n", - (long) offset, pEntry->getFileName()); - } - } - } - } - - if (verbose) - printf("Verification %s\n", foundBad ? "FAILED" : "succesful"); - - return foundBad ? 1 : 0; -} - -/* - * Parse args. - */ -int main(int argc, char* const argv[]) -{ - bool wantUsage = false; - bool force = false; - bool verbose = 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 'f': - force = true; - break; - case 'v': - verbose = true; - break; - default: - fprintf(stderr, "ERROR: unknown flag -%c\n", *cp); - wantUsage = true; - goto bail; - } - - cp++; - } - - argc--; - argv++; - } - - if (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; - } - - /* create the new archive */ - result = process(argv[1], argv[2], alignment, force); - - /* trust, but verify */ - if (result == 0) - result = verify(argv[2], alignment, verbose); - -bail: - if (wantUsage) { - usage(); - result = 2; - } - - return result; -} - |