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/* @(#)unixstd.h 1.12 04/06/17 Copyright 1996 J. Schilling */
/*
* Definitions for unix system interface
*
* Copyright (c) 1996 J. Schilling
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; see the file COPYING. If not, write to the Free Software
* Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _UNIXSTD_H
#define _UNIXSTD_H
#ifndef _MCONFIG_H
#include <mconfig.h>
#endif
#ifdef HAVE_UNISTD_H
#ifndef _INCL_SYS_TYPES_H
#include <sys/types.h>
#define _INCL_SYS_TYPES_H
#endif
#ifndef _INCL_UNISTD_H
#include <unistd.h>
#define _INCL_UNISTD_H
#endif
#ifndef _SC_PAGESIZE
#ifdef _SC_PAGE_SIZE /* HP/UX & OSF */
#define _SC_PAGESIZE _SC_PAGE_SIZE
#endif
#endif
#else /* HAVE_UNISTD_H */
/*
* unistd.h grants things like off_t to be typedef'd.
*/
#ifndef _INCL_SYS_TYPES_H
#include <sys/types.h>
#define _INCL_SYS_TYPES_H
#endif
#endif /* HAVE_UNISTD_H */
#ifndef STDIN_FILENO
# ifdef JOS
# ifndef _JOS_IO_H
# include <jos_io.h>
# endif
# else
# define STDIN_FILENO 0
# define STDOUT_FILENO 1
# define STDERR_FILENO 2
# endif
#endif
#ifndef R_OK
/* Symbolic constants for the "access" routine: */
#define R_OK 4 /* Test for Read permission */
#define W_OK 2 /* Test for Write permission */
#define X_OK 1 /* Test for eXecute permission */
#define F_OK 0 /* Test for existence of File */
#endif
#ifndef E_OK
#ifdef HAVE_ACCESS_E_OK
#ifdef EFF_ONLY_OK
#define E_OK EFF_ONLY_OK /* Irix */
#else
#ifdef EUID_OK
#define E_OK EUID_OK /* UNICOS (0400) */
#else
#define E_OK 010 /* Test effective uids */
#endif /* EUID_OK */
#endif /* EFF_ONLY_OK */
#else
#define E_OK 0
#endif /* HAVE_ACCESS_E_OK */
#endif /* !E_OK */
/* Symbolic constants for the "lseek" routine: */
#ifndef SEEK_SET
#define SEEK_SET 0 /* Set file pointer to "offset" */
#endif
#ifndef SEEK_CUR
#define SEEK_CUR 1 /* Set file pointer to current plus "offset" */
#endif
#ifndef SEEK_END
#define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
#endif
#if !defined(HAVE_UNISTD_H) || !defined(_POSIX_VERSION)
/*
* Maybe we need a lot more definitions here...
* It is not clear whether we should have prototyped definitions.
*/
extern int access __PR((const char *, int));
extern int close __PR((int));
extern int dup __PR((int));
extern int dup2 __PR((int, int));
extern void _exit __PR((int));
extern int link __PR((const char *, const char *));
extern int read __PR((int, void *, size_t));
extern int unlink __PR((const char *));
extern int write __PR((int, void *, size_t));
#endif
#endif /* _UNIXSTD_H */
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