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How to use copy_to_user() function....


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jaydeepzap Posted: Wed Jan 05, 2005 6:23 am


Joined: 03 Jan 2005

Posts: 2
How to use copy_to_user() function....
I am confused, how to use copy_to_user function. I register a file
thru module in /proc say test_proc. now
i used copy_from_user function to copy data writtened to the file
test_proc and stored in static global char array. now while reading
back that file if i use copy_to_user function then it gives me Fault,
so i used the snprintf() function to copy data in user buffer.

So anybody let me know how to use copy_to_user() function. I used gcc
3.x on RHEL 3, Pentium IV m/c.

Regards,
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