88     int fd;  in readFrom()  local
91     fd = ::open(filename, O_RDONLY);  in readFrom()
92     if (fd < 0) {  in readFrom()
96     success = readFrom(fd);  in readFrom()
97     close(fd);  in readFrom()
100         ALOGW("failed to read from %s (fd=%d)\n", filename, fd);  in readFrom()
107 bool ObbFile::readFrom(int fd)  in readFrom()  argument
109     if (fd < 0) {  in readFrom()
114     return parseObbFile(fd);  in readFrom()
117 bool ObbFile::parseObbFile(int fd)  in parseObbFile()  argument
119     off64_t fileLength = lseek64(fd, 0, SEEK_END);  in parseObbFile()
134         lseek64(fd, fileLength - kFooterTagSize, SEEK_SET);  in parseObbFile()
137         actual = TEMP_FAILURE_RETRY(read(fd, footer, kFooterTagSize));  in parseObbFile()
166     if (lseek64(fd, fileOffset, SEEK_SET) != fileOffset) {  in parseObbFile()
179     actual = TEMP_FAILURE_RETRY(read(fd, scanBuf, footerSize));  in parseObbFile()
228     int fd;  in writeTo()  local
231     fd = ::open(filename, O_WRONLY);  in writeTo()
232     if (fd < 0) {  in writeTo()
235     success = writeTo(fd);  in writeTo()
236     close(fd);  in writeTo()
245 bool ObbFile::writeTo(int fd)  in writeTo()  argument
247     if (fd < 0) {  in writeTo()
251     lseek64(fd, 0, SEEK_END);  in writeTo()
262     if (write(fd, &intBuf, sizeof(uint32_t)) != (ssize_t)sizeof(uint32_t)) {  in writeTo()
268     if (write(fd, &intBuf, sizeof(uint32_t)) != (ssize_t)sizeof(uint32_t)) {  in writeTo()
274     if (write(fd, &intBuf, sizeof(uint32_t)) != (ssize_t)sizeof(uint32_t)) {  in writeTo()
279     if (write(fd, mSalt, sizeof(mSalt)) != (ssize_t)sizeof(mSalt)) {  in writeTo()
286     if (write(fd, &intBuf, sizeof(uint32_t)) != (ssize_t)sizeof(uint32_t)) {  in writeTo()
291     if (write(fd, mPackageName.string(), packageNameLen) != (ssize_t)packageNameLen) {  in writeTo()
297     if (write(fd, &intBuf, sizeof(uint32_t)) != (ssize_t)sizeof(uint32_t)) {  in writeTo()
303     if (write(fd, &intBuf, sizeof(uint32_t)) != (ssize_t)sizeof(uint32_t)) {  in writeTo()
313     int fd;  in removeFrom()  local
316     fd = ::open(filename, O_RDWR);  in removeFrom()
317     if (fd < 0) {  in removeFrom()
320     success = removeFrom(fd);  in removeFrom()
321     close(fd);  in removeFrom()
330 bool ObbFile::removeFrom(int fd)  in removeFrom()  argument
332     if (fd < 0) {  in removeFrom()
336     if (!readFrom(fd)) {  in removeFrom()
340     if (ftruncate(fd, mFooterStart) == -1) {  in removeFrom()