Function rig_settings_save

src/settings.c:1095–1223

* \brief Save setting parameter * \param setting * \param value * \return RIG_OK or error * * \sa rig_setting_load() */

 * \sa rig_setting_load()
 */
HAMLIB_EXPORT(int) rig_settings_save(const char *setting, void *value,
                                     settings_value_t valuetype)
{
    FILE *fp;
    FILE *fptmp;
    char path[4096];
    char buf[4096];
    const char *cvalue = (char *)value;
    const int *ivalue = (int *)value;
    int n = 0;
    const long *lvalue = (long *) value;
    const float *fvalue = (float *) value;
    const double *dvalue = (double *) value;
    const char *vformat = "Unknown format??";
    char template[64];

    rig_settings_get_path(path, sizeof(path));
    fp = fopen(path, "r");

    if (fp == NULL)
    {
        rig_debug(RIG_DEBUG_WARN, "%s: %s not found\n", __func__,  path);
        return -RIG_EIO;
    }

    strcpy(template, "hamlib_settings_XXXXXX");

    switch (valuetype)
    {
    case e_CHAR: cvalue = (char *)value; vformat = "%s=%s\n"; break;

    case e_INT: ivalue = (int *)value; vformat = "%s=%d\n"; break;

    case e_LONG: lvalue = (long *)value; vformat = "%s=%l\n"; break;

    case e_FLOAT: fvalue = (float *)value; vformat = "%s=%f\n"; break;

    case e_DOUBLE: dvalue = (double *)value; vformat = "%s=%f\n"; break;

    default:
        rig_debug(RIG_DEBUG_ERR, "%s: Unknown valuetype=%d\n", __func__, valuetype);
    }

    if (fp == NULL)
    {
        // first time for this file
        fp = fopen(settings_file, "w");

        switch (valuetype)
        {
        case e_CHAR: fprintf(fp, vformat, setting, cvalue); break;

        case e_INT: fprintf(fp, vformat, setting, *ivalue); break;

        case e_LONG: fprintf(fp, vformat, setting, *lvalue); break;

        case e_FLOAT: fprintf(fp, vformat, setting, *fvalue); break;