Function CSLTokenizeString2

port/cpl_string.cpp:817–947

 */

char **CSLTokenizeString2(const char *pszString, const char *pszDelimiters,
                          int nCSLTFlags)
{
    if (pszString == nullptr)
        return static_cast<char **>(CPLCalloc(sizeof(char *), 1));

    CPLStringList oRetList;
    const bool bHonourStrings = (nCSLTFlags & CSLT_HONOURSTRINGS) != 0;
    const bool bAllowEmptyTokens = (nCSLTFlags & CSLT_ALLOWEMPTYTOKENS) != 0;
    const bool bStripLeadSpaces = (nCSLTFlags & CSLT_STRIPLEADSPACES) != 0;
    const bool bStripEndSpaces = (nCSLTFlags & CSLT_STRIPENDSPACES) != 0;

    char *pszToken = static_cast<char *>(CPLCalloc(10, 1));
    size_t nTokenMax = 10;

    while (*pszString != '\0')
    {
        bool bInString = false;
        bool bStartString = true;
        size_t nTokenLen = 0;

        // Try to find the next delimiter, marking end of token.
        for (; *pszString != '\0'; ++pszString)
        {
            // Extend token buffer if we are running close to its end.
            if (nTokenLen >= nTokenMax - 3)
            {
                if (nTokenMax > std::numeric_limits<size_t>::max() / 2)
                {
                    CPLFree(pszToken);
                    return static_cast<char **>(CPLCalloc(sizeof(char *), 1));
                }
                nTokenMax = nTokenMax * 2;
                char *pszNewToken = static_cast<char *>(
                    VSI_REALLOC_VERBOSE(pszToken, nTokenMax));
                if (pszNewToken == nullptr)
                {
                    CPLFree(pszToken);
                    return static_cast<char **>(CPLCalloc(sizeof(char *), 1));
                }
                pszToken = pszNewToken;
            }

            // End if this is a delimiter skip it and break.
            if (!bInString && strchr(pszDelimiters, *pszString) != nullptr)
            {
                ++pszString;
                break;
            }

            // If this is a quote, and we are honouring constant
            // strings, then process the constant strings, with out delim
            // but don't copy over the quotes.
            if (bHonourStrings && *pszString == '"')
            {
                if (nCSLTFlags & CSLT_PRESERVEQUOTES)
                {
                    pszToken[nTokenLen] = *pszString;