Function CARDCheckExAsync

src/dolphin/src/card/CARDCheck.c:226–380

}

s32 CARDCheckExAsync(s32 chan, s32* xferBytes, CARDCallback callback)
{
    CARDControl* card;
    CARDDir* dir[2];
    u16* fat[2];
    u16* map;
    s32 result;
    int errors;
    int currentFat;
    int currentDir;
    s32 fileNo;
    u16 iBlock;
    u16 cBlock;
    u16 cFree;
    BOOL updateFat = FALSE;
    BOOL updateDir = FALSE;
    BOOL updateOrphan = FALSE;

    if (xferBytes)
    {
        *xferBytes = 0;
    }

    result = __CARDGetControlBlock(chan, &card);
    if (result < 0)
    {
        return result;
    }

    result = VerifyID(card);
    if (result < 0)
    {
        return __CARDPutControlBlock(card, result);
    }

    errors = VerifyDir(card, &currentDir);
    errors += VerifyFAT(card, &currentFat);
    if (1 < errors)
    {
        return __CARDPutControlBlock(card, CARD_RESULT_BROKEN);
    }

    dir[0] = (CARDDir*)((u8*)card->workArea + (1 + 0) * CARD_SYSTEM_BLOCK_SIZE);
    dir[1] = (CARDDir*)((u8*)card->workArea + (1 + 1) * CARD_SYSTEM_BLOCK_SIZE);
    fat[0] = (u16*)((u8*)card->workArea + (3 + 0) * CARD_SYSTEM_BLOCK_SIZE);
    fat[1] = (u16*)((u8*)card->workArea + (3 + 1) * CARD_SYSTEM_BLOCK_SIZE);

    switch (errors)
    {
    case 0:
        break;
    case 1:
        if (!card->currentDir)
        {
            card->currentDir = dir[currentDir];
            memcpy(dir[currentDir], dir[currentDir ^ 1], CARD_SYSTEM_BLOCK_SIZE);
            updateDir = TRUE;
        }