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att
GitHub Repository: att/ast
 Path: blob/master/src/cmd/ksh93/include/io.h
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/***********************************************************************

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*                                                                      *

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*               This software is part of the ast package               *

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*          Copyright (c) 1982-2012 AT&T Intellectual Property          *

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*                      and is licensed under the                       *

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*                 Eclipse Public License, Version 1.0                  *

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*                    by AT&T Intellectual Property                     *

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*                                                                      *

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*                A copy of the License is available at                 *

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*          http://www.eclipse.org/org/documents/epl-v10.html           *

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*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *

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*                                                                      *

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*              Information and Software Systems Research               *

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*                            AT&T Research                             *

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*                           Florham Park NJ                            *

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*                                                                      *

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*                  David Korn <[email protected]>                   *

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*                                                                      *

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***********************************************************************/

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#pragma prototyped

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/*

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 *	UNIX shell

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 *	David Korn

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 *

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 */

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#include	<ast.h>

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#include	<sfio.h>

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#ifndef IOBSIZE

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#   define  IOBSIZE	(SF_BUFSIZE*sizeof(char*))

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#endif /* IOBSIZE */

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#define IOMAXTRY	20

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#ifndef SF_CLOSING

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#define SF_CLOSING	SF_CLOSE

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#endif

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#ifndef SF_APPENDWR

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#define SF_APPENDWR	SF_APPEND

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#endif

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/* used for output of shell errors */

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#define ERRIO		2

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#define IOREAD		001

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#define IOWRITE		002

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#define IODUP 		004

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#define IOSEEK		010

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#define IONOSEEK	020

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#define IOTTY 		040

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#define IOCLEX 		0100

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#define IOCLOSE		(IOSEEK|IONOSEEK)

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#define IOSUBSHELL	0x8000	/* must be larger than any file descriptor */

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#define IOPICKFD	0x10000 /* file descriptor number was selected automatically */

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#define IOHERESTRING	0x20000 /* allow here documents to be string streams */

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/*

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 * The remainder of this file is only used when compiled with shell

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 */

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#if KSHELL

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#ifndef ARG_RAW

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    struct ionod;

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#endif /* !ARG_RAW */

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extern int	sh_iocheckfd(Shell_t*,int);

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extern void 	sh_ioinit(Shell_t*);

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extern int 	sh_iomovefd(int);

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extern int	sh_iorenumber(Shell_t*,int,int);

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extern void 	sh_pclose(int[]);

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extern int	sh_rpipe(int[]);

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extern void 	sh_iorestore(Shell_t*,int,int);

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#if defined(__EXPORT__) && defined(_BLD_DLL) && defined(_BLD_shell) 

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   __EXPORT__

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#endif

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extern Sfio_t 	*sh_iostream(Shell_t*,int);

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extern int	sh_redirect(Shell_t*,struct ionod*,int);

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extern void 	sh_iosave(Shell_t *, int,int,char*);

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extern int 	sh_iovalidfd(Shell_t*, int);

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extern int 	sh_inuse(Shell_t*, int);

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extern void 	sh_iounsave(Shell_t*);

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extern int	sh_chkopen(const char*);

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extern int	sh_ioaccess(int,int);

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extern int	sh_devtofd(const char*);

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extern int	sh_isdevfd(const char*);

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extern int	sh_source(Shell_t*, Sfio_t*, const char*);

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/* the following are readonly */

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extern const char	e_pexists[];

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extern const char	e_query[];

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extern const char	e_history[];

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extern const char	e_argtype[];

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extern const char	e_create[];

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extern const char	e_tmpcreate[];

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extern const char	e_exists[];

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extern const char	e_file[];

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extern const char	e_redirect[];

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extern const char	e_formspec[];

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extern const char	e_badregexp[];

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extern const char	e_open[];

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extern const char	e_notseek[];

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extern const char	e_noread[];

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extern const char	e_badseek[];

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extern const char	e_badwrite[];

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extern const char	e_badpattern[];

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extern const char	e_toomany[];

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extern const char	e_pipe[];

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extern const char	e_unknown[];

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extern const char	e_devnull[];

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extern const char	e_profile[];

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extern const char	e_sysprofile[];

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#if SHOPT_SYSRC

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extern const char	e_sysrc[];

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#endif

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#if SHOPT_BASH

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#if SHOPT_SYSRC

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extern const char	e_bash_sysrc[];

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#endif

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extern const char	e_bash_rc[];

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extern const char	e_bash_login[];

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extern const char	e_bash_logout[];

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extern const char	e_bash_profile[];

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#endif

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extern const char	e_stdprompt[];

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extern const char	e_supprompt[];

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extern const char	e_ambiguous[];

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#endif /* KSHELL */

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