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/* Wrapper around broken system errno.h. */
#ifndef _PERL_WRAPPER_AROUND_ERRNO_H
# define _PERL_WRAPPER_AROUND_ERRNO_H 1
/* First include the system file. */
#include_next <errno.h>
/* Now add the missing stuff.
#ifndef EAGAIN
# define EAGAIN EWOULDBLOCK
#endif
/* This one is problematic. If you open() a directory with the
MiNTLib you can't detect from errno if it is really a directory
or if the file simply doesn't exist. You'll get ENOENT
("file not found") in either case.
Defining EISDIR as ENOENT is actually a bad idea but works fine
in general. In praxi, if code checks for errno == EISDIR it
will attempt an opendir() call on the file in question and this
call will also file if the file really can't be found. But
you may get compile-time errors if the errno checking is embedded
in a switch statement ("duplicate case value in switch").
Anyway, here the define works alright. */
#ifndef EISDIR
# define EISDIR ENOENT
#endif
#endif
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