Issue #3282 has been reported by bhaible.
----------------------------------------
Bug #3282: unexpected errno value from fopen()
http://bugs.dragonflybsd.org/issues/3282
* Author: bhaible
* Status: New
* Priority: Normal
* Assignee:
* Category: Userland
* Target version:
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fopen(".", "w") fails with errno = EEXIST.
Per POSIX https://pubs.opengroup.org/onlinepubs/9699919799/functions/fopen.html
one would expect one of EISDIR, EINVAL, EACCES.
How to reproduce: Run this program.
<pre>
#include <errno.h>
#include <stdio.h>
int main ()
{
FILE *fp = fopen (".", "w");
if (fp == NULL)
{
perror ("fopen");
}
}
</pre>
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