[maemo-developers] Wrting to a text file in N800 /media/mmc1

[From: nisha jain]

How I can check if the mmc set is read only or not?

Regards,
Nisha


On 7/5/08, gary liquid <liquid at gmail.com> wrote:
>
>
> sounds more like a permissions issue?
> can you write to a file in that location from the terminal and as the same
> user, or is the entire mmc set to read only?
> I have heard rumours that such a thing is possible but never encountered it
> myself (ive got an 810)
>
> Gary
>
> On Sat, Jul 5, 2008 at 9:09 PM, nisha jain <jain61 at gmail.com> wrote:
>
>> Hi All,
>>
>> I just checked in N800 the following program for writing into a file which
>>
>>
>> doesn't work.... Any clues what is going wrong? I neither get any error
>> not it is
>>
>> creating a file and writing into it.........
>>
>> #include<stdio.h>
>>
>> void main()
>> {
>>     FILE *Gfile;
>>     if ((Gfile = fopen("/media/mmc1/test.txt", "wt+")) == NULL)
>>     {
>>         printf("Error in file creation");
>>     }
>>
>>     if(Gfile)
>>     fprintf(Gfile,"%02x",0x10);
>>     fclose(Gfile);
>> }
>>
>> Regards,
>> Nisha
>>
>>
>> On Sat, Jul 5, 2008 at 5:34 PM, nisha jain <jain61 at gmail.com> wrote:
>>
>>> Hi Gray,
>>>
>>> I checked the file pointer if it is NULL I am printing error message and
>>> returning too.
>>>
>>> Also i am checking while writing into a file that file pointer is not
>>> NULL.
>>>
>>> I have tested it on mameo (ARMEL) enviornment and it is working
>>> absolutely fine
>>>
>>> I am not able to understand while after porting to N800 it doesn't show
>>> up any file created on flash
>>>
>>> at least it should create an empty file......Does there is some
>>> restriciton in writing into flash?
>>>
>>> Regards,
>>> Nisha
>>>
>>>
>>> On Sat, Jul 5, 2008 at 2:29 PM, gary liquid <liquid at gmail.com> wrote:
>>>
>>>> nisha,
>>>>
>>>> check you have included appended the filename on the end of the path in
>>>> your adjusted program.
>>>> Check the return values of all functions called and do not assume
>>>> success for anything.
>>>> Most importantly, put printf("fn msg/n");  calls around your program at
>>>> relevant points.
>>>> The printfs will help you debug by showing you where your software got
>>>> to and optionally whatever additional information you want to display.
>>>>
>>>> Gary (lcuk on maemo)
>>>>
>>>>   On Sat, Jul 5, 2008 at 6:54 PM, nisha jain <jain61 at gmail.com> wrote:
>>>>
>>>>
>>>>>  hi All,
>>>>>
>>>>> I wrote a program which is collecting some data and creating text file
>>>>> to write into.
>>>>>
>>>>> I am successfully able to run and execute it in the VmWare maemo
>>>>> enviornment without any problem.
>>>>>
>>>>> When i deployed it into N800 I am getting segmentation fault this
>>>>> application I checked in ARMEL compiled
>>>>>
>>>>> mode on VmWare... I am not sure how to debug it as it is working fine
>>>>> in the Maemo enviornment but crashes
>>>>>
>>>>> on the actual N800 device... Only change is the file created in
>>>>>
>>>>> using like fopen ("filename", "wt");
>>>>>
>>>>> in the Maemo and in case of N800 fope("/media/mmc1", "wt")
>>>>>
>>>>> I tired checking if file gets created to /media/mmc1 or not but it
>>>>> doesn't get created their at all.................
>>>>>
>>>>> Let me know if some one has idea?
>>>>>
>>>>> Regards,
>>>>> Nisha
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> maemo-developers mailing list
>>>>> maemo-developers at maemo.org
>>>>> https://lists.maemo.org/mailman/listinfo/maemo-developers
>>>>>
>>>>>
>>>>
>>>
>>>
>>
>>
>>
>
>
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