usr/src/lib/libshell/common/include/io.h

   1 /***********************************************************************
   2 *                                                                      *
   3 *               This software is part of the ast package               *
   4 *          Copyright (c) 1982-2010 AT&T Intellectual Property          *
   5 *                      and is licensed under the                       *
   6 *                  Common Public License, Version 1.0                  *
   7 *                    by AT&T Intellectual Property                     *
   8 *                                                                      *
   9 *                A copy of the License is available at                 *
  10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
  11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
  12 *                                                                      *
  13 *              Information and Software Systems Research               *
  14 *                            AT&T Research                             *
  15 *                           Florham Park NJ                            *
  16 *                                                                      *
  17 *                  David Korn <dgk@research.att.com>                   *
  18 *                                                                      *
  19 ***********************************************************************/
  20 #pragma prototyped
  21 /*
  22  *      UNIX shell
  23  *      David Korn
  24  *
  25  */
  26
  27 #include        <ast.h>
  28 #include        <sfio.h>
  29
  30 #ifndef IOBSIZE
  31 #   define  IOBSIZE     SF_BUFSIZE
  32 #endif /* IOBSIZE */
  33 #define IOMAXTRY        20
  34
  35 #ifndef SF_CLOSING
  36 #define SF_CLOSING      SF_CLOSE
  37 #endif
  38 #ifndef SF_APPENDWR
  39 #define SF_APPENDWR     SF_APPEND
  40 #endif
  41
  42 /* used for output of shell errors */
  43 #define ERRIO           2
  44
  45 #define IOREAD          001
  46 #define IOWRITE         002
  47 #define IODUP           004
  48 #define IOSEEK          010
  49 #define IONOSEEK        020
  50 #define IOTTY           040
  51 #define IOCLEX          0100
  52 #define IOCLOSE         (IOSEEK|IONOSEEK)
  53
  54 #define IOSUBSHELL      0x8000  /* must be larger than any file descriptor */
  55
  56 /*
  57  * The remainder of this file is only used when compiled with shell
  58  */
  59
  60 #if KSHELL
  61
  62 #ifndef ARG_RAW
  63     struct ionod;
  64 #endif /* !ARG_RAW */
  65
  66 #define sh_inuse(f2)    (sh.fdptrs[f2])
  67
  68 extern int      sh_iocheckfd(Shell_t*,int);
  69 extern void     sh_ioinit(Shell_t*);
  70 extern int      sh_iomovefd(int);
  71 extern int      sh_iorenumber(Shell_t*,int,int);
  72 extern void     sh_pclose(int[]);
  73 extern void     sh_iorestore(Shell_t*,int,int);
  74 #if defined(__EXPORT__) && defined(_BLD_DLL) && defined(_BLD_shell)
  75    __EXPORT__
  76 #endif
  77 extern Sfio_t   *sh_iostream(Shell_t*,int);
  78 extern int      sh_redirect(Shell_t*,struct ionod*,int);
  79 extern void     sh_iosave(Shell_t *, int,int,char*);
  80 extern void     sh_iounsave(Shell_t*);
  81 extern int      sh_chkopen(const char*);
  82 extern int      sh_ioaccess(int,int);
  83 extern int      sh_devtofd(const char*);
  84 extern int      sh_source(Shell_t*, Sfio_t*, const char*);
  85
  86 /* the following are readonly */
  87 extern const char       e_pexists[];
  88 extern const char       e_query[];
  89 extern const char       e_history[];
  90 extern const char       e_argtype[];
  91 extern const char       e_create[];
  92 extern const char       e_tmpcreate[];
  93 extern const char       e_exists[];
  94 extern const char       e_file[];
  95 extern const char       e_redirect[];
  96 extern const char       e_formspec[];
  97 extern const char       e_badregexp[];
  98 extern const char       e_open[];
  99 extern const char       e_notseek[];
 100 extern const char       e_noread[];
 101 extern const char       e_badseek[];
 102 extern const char       e_badwrite[];
 103 extern const char       e_badpattern[];
 104 extern const char       e_toomany[];
 105 extern const char       e_pipe[];
 106 extern const char       e_unknown[];
 107 extern const char       e_devnull[];
 108 extern const char       e_profile[];
 109 extern const char       e_sysprofile[];
 110 #if SHOPT_SYSRC
 111 extern const char       e_sysrc[];
 112 #endif
 113 #if SHOPT_BASH
 114 #if SHOPT_SYSRC
 115 extern const char       e_bash_sysrc[];
 116 #endif
 117 extern const char       e_bash_rc[];
 118 extern const char       e_bash_login[];
 119 extern const char       e_bash_logout[];
 120 extern const char       e_bash_profile[];
 121 #endif
 122 extern const char       e_stdprompt[];
 123 extern const char       e_supprompt[];
 124 extern const char       e_ambiguous[];
 125 #endif /* KSHELL */