C++ ZipEntry::setModWhen方法代码示例

//.........这里部分代码省略.........
                        src, dst);
                    failed = true;
                }
            }

            if (failed) {
                compressionMethod = ZipEntry::kCompressStored;
                if (inputFp) rewind(inputFp);
                fseek(mZipFp, startPosn, SEEK_SET);
                /* fall through to kCompressStored case */
            }
        }
        /* handle "no compression" request, or failed compression from above */
        if (compressionMethod == ZipEntry::kCompressStored) {
            if (inputFp) {
                result = copyFpToFp(mZipFp, inputFp, &crc);
            } else {
                result = copyDataToFp(mZipFp, data, size, &crc);
            }
            if (result != NO_ERROR) {
                // don't need to truncate; happens in CDE rewrite
                LOGD("failed copying data in\n");
                goto bail;
            }
        }

        // currently seeked to end of file
        uncompressedLen = inputFp ? ftell(inputFp) : size;
    } else if (sourceType == ZipEntry::kCompressDeflated) {
        /* we should support uncompressed-from-compressed, but it's not
         * important right now */
        assert(compressionMethod == ZipEntry::kCompressDeflated);

        bool scanResult;
        int method;
        long compressedLen;

        scanResult = ZipUtils::examineGzip(inputFp, &method, &uncompressedLen,
                        &compressedLen, &crc);
        if (!scanResult || method != ZipEntry::kCompressDeflated) {
            LOGD("this isn't a deflated gzip file?");
            result = UNKNOWN_ERROR;
            goto bail;
        }

        result = copyPartialFpToFp(mZipFp, inputFp, compressedLen, NULL);
        if (result != NO_ERROR) {
            LOGD("failed copying gzip data in\n");
            goto bail;
        }
    } else {
        assert(false);
        result = UNKNOWN_ERROR;
        goto bail;
    }

    /*
     * We could write the "Data Descriptor", but there doesn't seem to
     * be any point since we're going to go back and write the LFH.
     *
     * Update file offsets.
     */
    endPosn = ftell(mZipFp);            // seeked to end of compressed data

    /*
     * Success!  Fill out new values.
     */
    pEntry->setDataInfo(uncompressedLen, endPosn - startPosn, crc,
        compressionMethod);
    modWhen = getModTime(inputFp ? fileno(inputFp) : fileno(mZipFp));
    pEntry->setModWhen(modWhen);
    pEntry->setLFHOffset(lfhPosn);
    mEOCD.mNumEntries++;
    mEOCD.mTotalNumEntries++;
    mEOCD.mCentralDirSize = 0;      // mark invalid; set by flush()
    mEOCD.mCentralDirOffset = endPosn;

    /*
     * Go back and write the LFH.
     */
    if (fseek(mZipFp, lfhPosn, SEEK_SET) != 0) {
        result = UNKNOWN_ERROR;
        goto bail;
    }
    pEntry->mLFH.write(mZipFp);

    /*
     * Add pEntry to the list.
     */
    mEntries.add(pEntry);
    if (ppEntry != NULL)
        *ppEntry = pEntry;
    pEntry = NULL;

bail:
    if (inputFp != NULL)
        fclose(inputFp);
    delete pEntry;
    return result;
}