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#1
July 17th, 2006, 05:56 AM
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Is this the correct/best way to set file size?
Hello everyone,
I have verified that the following approach works to set the size of a file (newly created file) to be 100 bytes, but I am not sure whether it is the correct/best way to have a maximum portability (I need to write code on both Windows and Linux). Could anyone give me any comments? Code:
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <io.h>
#include <stdio.h>
int main()
{
FILE* file = fopen ("foo123", "w+");
fseek (file, 99, SEEK_SET);
fprintf (file, "x");
fclose (file);
return 0;
}
thanks in advance, George
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#2
July 17th, 2006, 06:00 AM
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Why would you want to make your files a fixed size? Make 'em as small as possible I always say..
If it's really critical, this seems as a good a method as any, I doubt there are any standard functions for this...
__________________
This is my code. Is it not nifty? "The biggest problem encountered while trying to design a system that was completely foolproof, was, that people tended to underestimate the ingenuity of complete fools." ---Douglas Adams Join the Itsacon fanclub! Zero Tolerance: Spammers banned so far: 280
 
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#3
July 18th, 2006, 03:22 AM
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Thank you Itsacon!
Quote:
You mean a standard for what? regards, George
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#4
July 18th, 2006, 05:17 AM
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I mean there is not a preset library-function like:
Code:
FILE* create_fixed_size_file(char* filename, double filesize); So, your trick is as good as any.
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#5
July 18th, 2006, 06:18 AM
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Thank you Itsacon!
Quote:
regards, George
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