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