formatme.c

Result FSHelp_FormatExtdata(uint64_t id, FS_MediaType media, uint32_t directories, uint32_t files, uint64_t sizeLimit, uint32_t smdhSize, uint8_t* smdh) {
    FS_ExtSaveDataInfo esdi;
    memset(&esdi, 0, sizeof(esdi));
    esdi.saveId = id;
    esdi.mediaType = media;

    if ((!smdhSize || !smdh) && !GetSMDH()) {
        // special case just for citra with a 3dsx
        Result res = FSUSER_CreateExtSaveData(esdi, directories, files, sizeLimit, 0, NULL);
        if (R_SUCCEEDED(res))
            return res;
        return MAKERESULT(RL_FATAL, RS_NOTFOUND, RM_APPLICATION, RD_NOT_FOUND);
    }
    if (!smdhSize || !smdh) {
        smdh = smdh_data;
        smdhSize = smdh_size;
    }
    return FSUSER_CreateExtSaveData(esdi, directories, files, sizeLimit, smdh_size, smdh_data);
}