1/* Wrapper around broken system errno.h. */ 2 3#ifndef _PERL_WRAPPER_AROUND_ERRNO_H 4# define _PERL_WRAPPER_AROUND_ERRNO_H 1 5 6/* First include the system file. */ 7#include_next <errno.h> 8 9/* Now add the missing stuff. 10#ifndef EAGAIN 11# define EAGAIN EWOULDBLOCK 12#endif 13 14/* This one is problematic. If you open() a directory with the 15 MiNTLib you can't detect from errno if it is really a directory 16 or if the file simply doesn't exist. You'll get ENOENT 17 ("file not found") in either case. 18 19 Defining EISDIR as ENOENT is actually a bad idea but works fine 20 in general. In praxi, if code checks for errno == EISDIR it 21 will attempt an opendir() call on the file in question and this 22 call will also file if the file really can't be found. But 23 you may get compile-time errors if the errno checking is embedded 24 in a switch statement ("duplicate case value in switch"). 25 26 Anyway, here the define works alright. */ 27#ifndef EISDIR 28# define EISDIR ENOENT 29#endif 30 31#endif 32 33