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getting the file's name?

Posted on 2004-09-19
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Last Modified: 2010-04-15
I am trying to get the file's name in this this way.

void do_more( FILE *fp)
{
        printf(fp);
...
}
Is this possible to do or i have to find a different way?
Thanks
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Question by:Carl3003
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3 Comments
 
LVL 15

Accepted Solution

by:
efn earned 100 total points
ID: 12099286
You have to find a different way.  Normally, you keep track of the name as a character string separate from the FILE pointer.
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LVL 45

Assisted Solution

by:sunnycoder
sunnycoder earned 100 total points
ID: 12099392
Hi Carl3003,

You would have specified the file name somewhere when you obtained the FILE * fp. You will have to use that. There is no ANSI C function which will give you the file name when you supply the FILE *.

There are some other platform specific solutions such as examining ls -l /proc/<pid>/fd on various flavours of linux. However, I will still recommend using the information yuo already have rather than fish for it in an unportable way.

cheers
sunnycoder
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Author Comment

by:Carl3003
ID: 12102847
yes, i past the char array and then print the file name..
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