1491 bool MappedZipFile::ReadAtOffset(uint8_t* buf, size_t len, off64_t off) const {  in ReadAtOffset()
1493     if (off < 0) {  in ReadAtOffset()
1494       ALOGE("Zip: invalid offset %" PRId64, off);  in ReadAtOffset()
1499     if (__builtin_add_overflow(fd_offset_, off, &read_offset)) {  in ReadAtOffset()
1500       ALOGE("Zip: invalid read offset %" PRId64 " overflows, fd offset %" PRId64, off, fd_offset_);  in ReadAtOffset()
1507           __builtin_add_overflow(off, static_cast<off64_t>(len), &read_end)) {  in ReadAtOffset()
1509               static_cast<off64_t>(len), off);  in ReadAtOffset()
1515               PRId64, static_cast<off64_t>(len), data_length_, off);  in ReadAtOffset()
1521       ALOGE("Zip: failed to read at offset %" PRId64, off);  in ReadAtOffset()
1525     if (off < 0 || data_length_ < len || off > data_length_ - len) {  in ReadAtOffset()
1526       ALOGE("Zip: invalid offset: %" PRId64 ", read length: %zu, data length: %" PRId64, off, len,  in ReadAtOffset()
1530     memcpy(buf, static_cast<const uint8_t*>(base_ptr_) + off, len);  in ReadAtOffset()