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/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1982-2010 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* David Korn <dgk@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
/*
* UNIX shell
* David Korn
*
*/
#include <ast.h>
#include <sfio.h>
#ifndef IOBSIZE
# define IOBSIZE SF_BUFSIZE
#endif /* IOBSIZE */
#define IOMAXTRY 20
#ifndef SF_CLOSING
#define SF_CLOSING SF_CLOSE
#endif
#ifndef SF_APPENDWR
#define SF_APPENDWR SF_APPEND
#endif
/* used for output of shell errors */
#define ERRIO 2
#define IOREAD 001
#define IOWRITE 002
#define IODUP 004
#define IOSEEK 010
#define IONOSEEK 020
#define IOTTY 040
#define IOCLEX 0100
#define IOCLOSE (IOSEEK|IONOSEEK)
#define IOSUBSHELL 0x8000 /* must be larger than any file descriptor */
/*
* The remainder of this file is only used when compiled with shell
*/
#if KSHELL
#ifndef ARG_RAW
struct ionod;
#endif /* !ARG_RAW */
#define sh_inuse(f2) (sh.fdptrs[f2])
extern int sh_iocheckfd(Shell_t*,int);
extern void sh_ioinit(Shell_t*);
extern int sh_iomovefd(int);
extern int sh_iorenumber(Shell_t*,int,int);
extern void sh_pclose(int[]);
extern void sh_iorestore(Shell_t*,int,int);
#if defined(__EXPORT__) && defined(_BLD_DLL) && defined(_BLD_shell)
__EXPORT__
#endif
extern Sfio_t *sh_iostream(Shell_t*,int);
extern int sh_redirect(Shell_t*,struct ionod*,int);
extern void sh_iosave(Shell_t *, int,int,char*);
extern void sh_iounsave(Shell_t*);
extern int sh_chkopen(const char*);
extern int sh_ioaccess(int,int);
extern int sh_devtofd(const char*);
extern int sh_source(Shell_t*, Sfio_t*, const char*);
/* the following are readonly */
extern const char e_pexists[];
extern const char e_query[];
extern const char e_history[];
extern const char e_argtype[];
extern const char e_create[];
extern const char e_tmpcreate[];
extern const char e_exists[];
extern const char e_file[];
extern const char e_redirect[];
extern const char e_formspec[];
extern const char e_badregexp[];
extern const char e_open[];
extern const char e_notseek[];
extern const char e_noread[];
extern const char e_badseek[];
extern const char e_badwrite[];
extern const char e_badpattern[];
extern const char e_toomany[];
extern const char e_pipe[];
extern const char e_unknown[];
extern const char e_devnull[];
extern const char e_profile[];
extern const char e_sysprofile[];
#if SHOPT_SYSRC
extern const char e_sysrc[];
#endif
#if SHOPT_BASH
#if SHOPT_SYSRC
extern const char e_bash_sysrc[];
#endif
extern const char e_bash_rc[];
extern const char e_bash_login[];
extern const char e_bash_logout[];
extern const char e_bash_profile[];
#endif
extern const char e_stdprompt[];
extern const char e_supprompt[];
extern const char e_ambiguous[];
#endif /* KSHELL */
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