Test end of file c

Forgot your password? Ask a Question. How to set End Of File using C? Please Sign up or sign in to vote. See more: C. I need to make quickly a large file, the fastest method based on changing EOF directly, without writing zero bytes. Posted Mar am halabella. Add a Solution. Top Rated Most Recent.

Accept Solution Reject Solution. So there is clearly some optimization being done. Since this is a security risk, it requires elevated permissions, which is probably not what you really want. Open pathName, FileMode.

OpenOrCreate, FileAccess. SetLength length ; fileStream. Posted Feb am aodennison. Espen Harlinn Feb pm. Nice and easy, my 5. Arthur Liberman Apr pm. I was looking for a way to make a small and FAST disk filler utility for work. I'm not sure how it'd work if a partition has compression enabled, but for my purposes it's great.

Thank you! It depends what you mean my 'normally'. If you've redirected stdin file or pipe, unix or windows , EOF is usually signalled correctly.

How can you tell where it failed? You need to do something like this while! Levy A. Levy David Thornley David Thornley EOF with while! Craig Craig 4, 19 19 silver badges 21 21 bronze badges. John Bode John Bode k 17 17 gold badges silver badges bronze badges. Please open a new question. Ankush Virmani Ankush Virmani 33 5 5 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.

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Stack Gives Back Featured on Meta. So, only comparing the value returned by getc with EOF is not sufficient to check for actual end of file. To solve this problem, C provides feof which returns non-zero value only if end of file has reached, otherwise it returns 0. For example, consider the following C program to print contents of file test. In the program, returned value of getc is compared with EOF first, then there is another check using feof. Take a step-up from those "Hello World" programs.

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