Re: Is this a bug in libc6?

[Jason Gunthorpe <jgg@gpu.srv.ualberta.ca>]

On 10 Apr 1998, Eloy A. Paris wrote:

> Hi,
> 
> try running the following simple program:
> 
> #include <stdio.h>
> 
> void main(void)
> {
>         FILE *fp;
> 
>         fp = fopen("file.txt", "r");
>         fclose(fp);
>         fclose(fp);
> }

This is not valid. fclose's behavoir on a null fp is apparently not
defined, but exiting with error would be prefered to faulting. A double
fclose is just as bad as a double free() and is not a library error should
it fault or corrupt memory.

Jason


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