회신: fopen file size error when file size is over around 6MB

[김찬]

I'm away from my desk now and I'll try fstat when I get back. Thanks.



내 삼성 디바이스에서 보냈습니다


-------- 원본 메시지 --------
발신: Sebastian Huber <sebastian.huber at embedded-brains.de>
날짜: 2015/09/08 오후 2:42 (GMT+09:00)
수신: users at rtems.org
제목: Re: fopen file size error when file size is over around 6MB

Which information do you get via fstat()?

On 08/09/15 06:47, Chan Kim wrote:
> Hello, rtems users,
>
> After mounting SD card under /mnt, I can read and write files now. But when the file size is bigger than 5Mbytes, the file size information reads wrong. If it's less than 5Mbytes, read and write is ok.
>
> For example, when the file size is 10MByte,
>              fpsrc = fopen("/mnt/dir2/sample10m.dat","r");
>              fseek(fpsrc, 0L, SEEK_END);
>              size = ftell(fpsrc);
>              printk("numbytes = %d\n", size);
>              fseek(fpsrc, 0L, SEEK_SET);
> result :
>              numbytes = 4194304     <=== this is exactly 4MByte (when the file size is 10MB)
>
> Is there something I should set for IMFS configuration?
> I see (#define MSDOS_MAX_FILE_SIZE                0xFFFFFFFF) in msdos.h.
>
> Thanks,
>
> Chan
> _______________________________________________
> users mailing list
> users at rtems.org
> http://lists.rtems.org/mailman/listinfo/users

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