1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1982-2007 AT&T Knowledge Ventures * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Knowledge Ventures * 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(int); 69 extern void sh_ioinit(void); 70 extern int sh_iomovefd(int); 71 extern int sh_iorenumber(int,int); 72 extern void sh_pclose(int[]); 73 extern void sh_iorestore(int,int); 74 #if defined(__EXPORT__) && defined(_BLD_DLL) && defined(_BLD_shell) 75 __EXPORT__ 76 #endif 77 extern Sfio_t *sh_iostream(int); 78 extern int sh_redirect(struct ionod*,int); 79 extern void sh_iosave(int,int); 80 extern void sh_iounsave(void); 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_formspec[]; 96 extern const char e_badregexp[]; 97 extern const char e_open[]; 98 extern const char e_notseek[]; 99 extern const char e_noread[]; 100 extern const char e_badseek[]; 101 extern const char e_badpattern[]; 102 extern const char e_toomany[]; 103 extern const char e_pipe[]; 104 extern const char e_unknown[]; 105 extern const char e_devnull[]; 106 extern const char e_profile[]; 107 extern const char e_sysprofile[]; 108 #if SHOPT_SYSRC 109 extern const char e_sysrc[]; 110 #endif 111 #if SHOPT_BASH 112 #if SHOPT_SYSRC 113 extern const char e_bash_sysrc[]; 114 #endif 115 extern const char e_bash_rc[]; 116 extern const char e_bash_login[]; 117 extern const char e_bash_logout[]; 118 extern const char e_bash_profile[]; 119 #endif 120 extern const char e_stdprompt[]; 121 extern const char e_supprompt[]; 122 extern const char e_ambiguous[]; 123 #endif /* KSHELL */ 124