Merge "Return the size of the buffer for validation" into main

    return SYSTEM_HYPHENATOR_PREFIX + lowerLocale + SYSTEM_HYPHENATOR_SUFFIX;

}

static const uint8_t* mmapPatternFile(const std::string& locale) {

static std::pair<const uint8_t*, uint32_t> mmapPatternFile(const std::string& locale) {

    const std::string hyFilePath = buildFileName(locale);

    const int fd = open(hyFilePath.c_str(), O_RDONLY | O_CLOEXEC);

    if (fd == -1) {

        return nullptr;  // Open failed.

        return std::make_pair(nullptr, 0); // Open failed.

    }

    struct stat st = {};

    if (fstat(fd, &st) == -1) {  // Unlikely to happen.

        close(fd);

        return nullptr;

        return std::make_pair(nullptr, 0);

    }

    void* ptr = mmap(nullptr, st.st_size, PROT_READ, MAP_SHARED, fd, 0 /* offset */);

    close(fd);

    if (ptr == MAP_FAILED) {

        return nullptr;

        return std::make_pair(nullptr, 0);

    }

    return reinterpret_cast<const uint8_t*>(ptr);

    return std::make_pair(reinterpret_cast<const uint8_t*>(ptr), st.st_size);

}

static void addHyphenatorWithoutPatternFile(const std::string& locale, int minPrefix,

        int minSuffix) {

    minikin::addHyphenator(locale, minikin::Hyphenator::loadBinary(

            nullptr, minPrefix, minSuffix, locale));

    minikin::addHyphenator(locale,

                           minikin::Hyphenator::loadBinary(nullptr, 0, minPrefix, minSuffix,

                                                           locale));

}

static void addHyphenator(const std::string& locale, int minPrefix, int minSuffix) {

    const uint8_t* ptr = mmapPatternFile(locale);

    auto [ptr, size] = mmapPatternFile(locale);

    if (ptr == nullptr) {

        ALOGE("Unable to find pattern file or unable to map it for %s", locale.c_str());

        return;

    }

    minikin::addHyphenator(locale, minikin::Hyphenator::loadBinary(

            ptr, minPrefix, minSuffix, locale));

    minikin::addHyphenator(locale,

                           minikin::Hyphenator::loadBinary(ptr, size, minPrefix, minSuffix,

                                                           locale));

}

static void addHyphenatorAlias(const std::string& from, const std::string& to) {