/* 
 * errno.h
 *
 * Error numbers and access to error reporting.
 *
 * This file is part of the Mingw32 package.
 *
 * Contributors:
 *  Created by Colin Peters <colin@bird.fu.is.saga-u.ac.jp>
 *
 *  THIS SOFTWARE IS NOT COPYRIGHTED
 *
 *  This source code is offered for use in the public domain. You may
 *  use, modify or distribute it freely.
 *
 *  This code is distributed in the hope that it will be useful but
 *  WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
 *  DISCLAMED. This includes but is not limited to warranties of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * $Revision$
 * $Author$
 * $Date$
 *
 */

#ifndef _ERRNO_H_
#define	_ERRNO_H_

#ifdef	__cplusplus
extern "C" {
#endif

/*
 * Error numbers.
 * TODO: Can't be sure of some of these assignments, I guessed from the
 * names given by strerror and the defines in the Cygnus errno.h. A lot
 * of the names from the Cygnus errno.h are not represented, and a few
 * of the descriptions returned by strerror do not obviously match
 * their error naming.
 */
#define EPERM		1	/* Operation not permitted */
#define	ENOFILE		2	/* No such file or directory */
#define	ENOENT		2
#define	ESRCH		3	/* No such process */
#define	EINTR		4	/* Interrupted function call */
#define	EIO		5	/* Input/output error */
#define	ENXIO		6	/* No such device or address */
#define	E2BIG		7	/* Arg list too long */
#define	ENOEXEC		8	/* Exec format error */
#define	EBADF		9	/* Bad file descriptor */
#define	ECHILD		10	/* No child processes */
#define	EAGAIN		11	/* Resource temporarily unavailable */
#define	ENOMEM		12	/* Not enough space */
#define	EACCES		13	/* Permission denied */
#define	EFAULT		14	/* Bad address */
/* 15 - Unknown Error */
#define	EBUSY		16	/* strerror reports "Resource device" */
#define	EEXIST		17	/* File exists */
#define	EXDEV		18	/* Improper link (cross-device link?) */
#define	ENODEV		19	/* No such device */
#define	ENOTDIR		20	/* Not a directory */
#define	EISDIR		21	/* Is a directory */
#define	EINVAL		22	/* Invalid argument */
#define	ENFILE		23	/* Too many open files in system */
#define	EMFILE		24	/* Too many open files */
#define	ENOTTY		25	/* Inappropriate I/O control operation */
/* 26 - Unknown Error */
#define	EFBIG		27	/* File too large */
#define	ENOSPC		28	/* No space left on device */
#define	ESPIPE		29	/* Invalid seek (seek on a pipe?) */
#define	EROFS		30	/* Read-only file system */
#define	EMLINK		31	/* Too many links */
#define	EPIPE		32	/* Broken pipe */
#define	EDOM		33	/* Domain error (math functions) */
#define	ERANGE		34	/* Result too large (possibly too small) */
/* 35 - Unknown Error */
#define	EDEADLOCK	36	/* Resource deadlock avoided (non-Cyg) */
#define	EDEADLK		36
/* 37 - Unknown Error */
#define	ENAMETOOLONG	38	/* Filename too long (91 in Cyg?) */
#define	ENOLCK		39	/* No locks available (46 in Cyg?) */
#define	ENOSYS		40	/* Function not implemented (88 in Cyg?) */
#define	ENOTEMPTY	41	/* Directory not empty (90 in Cyg?) */
#define	EILSEQ		42	/* Illegal byte sequence */

/*
 * NOTE: ENAMETOOLONG and ENOTEMPTY conflict with definitions in the
 *       sockets.h header provided with windows32api-0.1.2.
 *       You should go and put an #if 0 ... #endif around the whole block
 *       of errors (look at the comment above them).
 */

/*
 * Definitions of macros for the 'variables' errno, _doserrno, sys_nerr and
 * sys_errlist.
 */
int*	_errno(void);
#define	errno		(*_errno())

int*	__doserrno(void);
#define	_doserrno	(*__doserrno())

#if	__MSVCRT__
/* One of the MSVCRTxx libraries */

extern int*	__imp__sys_nerr;
#define	sys_nerr	(*__imp__sys_nerr)

extern char**	__imp__sys_errlist;
#ifndef sys_errlist
#define	sys_errlist	(__imp__sys_errlist)
#endif

#else
/* CRTDLL run time library */


#define _sys_nerr   (*_sys_nerr_dll)
extern int*	_sys_nerr_dll;
#define sys_nerr	(*_sys_nerr_dll)

extern const char*	__sys_errlist[];
#define	sys_errlist	(__sys_errlist)

#endif



#ifdef	__cplusplus
}
#endif

#endif