1 2 /* : : generated by proto : : */ 3 /*********************************************************************** 4 * * 5 * This software is part of the ast package * 6 * Copyright (c) 1982-2009 AT&T Intellectual Property * 7 * and is licensed under the * 8 * Common Public License, Version 1.0 * 9 * by AT&T Intellectual Property * 10 * * 11 * A copy of the License is available at * 12 * http://www.opensource.org/licenses/cpl1.0.txt * 13 * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 14 * * 15 * Information and Software Systems Research * 16 * AT&T Research * 17 * Florham Park NJ * 18 * * 19 * David Korn <dgk@research.att.com> * 20 * * 21 ***********************************************************************/ 22 23 #ifndef SH_INTERACTIVE 24 #if !defined(__PROTO__) 25 #include <prototyped.h> 26 #endif 27 #if !defined(__LINKAGE__) 28 #define __LINKAGE__ /* 2004-08-11 transition */ 29 #endif 30 31 /* 32 * David Korn 33 * AT&T Labs 34 * 35 * Interface definitions for shell command language 36 * 37 */ 38 39 #include <ast.h> 40 #include <cdt.h> 41 #ifdef _SH_PRIVATE 42 # include "name.h" 43 #else 44 # include <nval.h> 45 #endif /* _SH_PRIVATE */ 46 47 #define SH_VERSION 20071012 48 49 #undef NOT_USED 50 #define NOT_USED(x) (&x,1) 51 52 /* options */ 53 typedef struct 54 { 55 unsigned long v[4]; 56 } 57 Shopt_t; 58 59 typedef struct Shell_s Shell_t; 60 61 typedef void (*Shinit_f) __PROTO__((Shell_t*, int)); 62 typedef int (*Shwait_f) __PROTO__((int, long, int)); 63 64 union Shnode_u; 65 typedef union Shnode_u Shnode_t; 66 67 #define SH_CFLAG 0 68 #define SH_HISTORY 1 /* used also as a state */ 69 #define SH_ERREXIT 2 /* used also as a state */ 70 #define SH_VERBOSE 3 /* used also as a state */ 71 #define SH_MONITOR 4 /* used also as a state */ 72 #define SH_INTERACTIVE 5 /* used also as a state */ 73 #define SH_RESTRICTED 6 74 #define SH_XTRACE 7 75 #define SH_KEYWORD 8 76 #define SH_NOUNSET 9 77 #define SH_NOGLOB 10 78 #define SH_ALLEXPORT 11 79 #define SH_PFSH 12 80 #define SH_IGNOREEOF 13 81 #define SH_NOCLOBBER 14 82 #define SH_MARKDIRS 15 83 #define SH_BGNICE 16 84 #define SH_VI 17 85 #define SH_VIRAW 18 86 #define SH_TFLAG 19 87 #define SH_TRACKALL 20 88 #define SH_SFLAG 21 89 #define SH_NOEXEC 22 90 #define SH_GMACS 24 91 #define SH_EMACS 25 92 #define SH_PRIVILEGED 26 93 #define SH_SUBSHARE 27 /* subshell shares state with parent */ 94 #define SH_NOLOG 28 95 #define SH_NOTIFY 29 96 #define SH_DICTIONARY 30 97 #define SH_PIPEFAIL 32 98 #define SH_GLOBSTARS 33 99 #define SH_XARGS 34 100 #define SH_RC 35 101 #define SH_SHOWME 36 102 103 /* 104 * passed as flags to builtins in Nambltin_t struct when BLT_OPTIM is on 105 */ 106 #define SH_BEGIN_OPTIM 0x1 107 #define SH_END_OPTIM 0x2 108 109 /* The following type is used for error messages */ 110 111 /* error messages */ 112 extern __MANGLE__ const char e_defpath[]; 113 extern __MANGLE__ const char e_found[]; 114 extern __MANGLE__ const char e_nospace[]; 115 extern __MANGLE__ const char e_format[]; 116 extern __MANGLE__ const char e_number[]; 117 extern __MANGLE__ const char e_restricted[]; 118 extern __MANGLE__ const char e_recursive[]; 119 extern __MANGLE__ char e_version[]; 120 121 typedef struct sh_scope 122 { 123 struct sh_scope *par_scope; 124 int argc; 125 char **argv; 126 char *cmdname; 127 char *filename; 128 char *funname; 129 int lineno; 130 Dt_t *var_tree; 131 struct sh_scope *self; 132 } Shscope_t; 133 134 /* 135 * Saves the state of the shell 136 */ 137 138 struct Shell_s 139 { 140 Shopt_t options; /* set -o options */ 141 Dt_t *var_tree; /* for shell variables */ 142 Dt_t *fun_tree; /* for shell functions */ 143 Dt_t *alias_tree; /* for alias names */ 144 Dt_t *bltin_tree; /* for builtin commands */ 145 Shscope_t *topscope; /* pointer to top-level scope */ 146 int inlineno; /* line number of current input file */ 147 int exitval; /* most recent exit value */ 148 unsigned char trapnote; /* set when trap/signal is pending */ 149 char shcomp; /* set when runing shcomp */ 150 short subshell; /* set for virtual subshell */ 151 #ifdef _SH_PRIVATE 152 _SH_PRIVATE 153 #endif /* _SH_PRIVATE */ 154 }; 155 156 /* flags for sh_parse */ 157 #define SH_NL 1 /* Treat new-lines as ; */ 158 #define SH_EOF 2 /* EOF causes syntax error */ 159 160 /* symbolic values for sh_iogetiop */ 161 #define SH_IOCOPROCESS (-2) 162 #define SH_IOHISTFILE (-3) 163 164 #include <cmd.h> 165 166 /* symbolic value for sh_fdnotify */ 167 #define SH_FDCLOSE (-1) 168 169 #undef getenv /* -lshell provides its own */ 170 171 #if defined(__EXPORT__) && defined(_DLL) 172 # ifdef _BLD_shell 173 #undef __MANGLE__ 174 #define __MANGLE__ __LINKAGE__ __EXPORT__ 175 # endif /* _BLD_shell */ 176 #endif /* _DLL */ 177 178 extern __MANGLE__ Dt_t *sh_bltin_tree __PROTO__((void)); 179 extern __MANGLE__ void sh_subfork __PROTO__((void)); 180 extern __MANGLE__ Shell_t *sh_init __PROTO__((int,char*[],Shinit_f)); 181 extern __MANGLE__ int sh_reinit __PROTO__((char*[])); 182 extern __MANGLE__ int sh_eval __PROTO__((Sfio_t*,int)); 183 extern __MANGLE__ void sh_delay __PROTO__((double)); 184 extern __MANGLE__ __V_ *sh_parse __PROTO__((Shell_t*, Sfio_t*,int)); 185 extern __MANGLE__ int sh_trap __PROTO__((const char*,int)); 186 extern __MANGLE__ int sh_fun __PROTO__((Namval_t*,Namval_t*, char*[])); 187 extern __MANGLE__ int sh_funscope __PROTO__((int,char*[],int(*)(__V_*),__V_*,int)); 188 extern __MANGLE__ Sfio_t *sh_iogetiop __PROTO__((int,int)); 189 extern __MANGLE__ int sh_main __PROTO__((int, char*[], Shinit_f)); 190 extern __MANGLE__ int sh_run __PROTO__((int, char*[])); 191 extern __MANGLE__ void sh_menu __PROTO__((Sfio_t*, int, char*[])); 192 extern __MANGLE__ Namval_t *sh_addbuiltin __PROTO__((const char*, int(*)(int, char*[],__V_*), __V_*)); 193 extern __MANGLE__ char *sh_fmtq __PROTO__((const char*)); 194 extern __MANGLE__ char *sh_fmtqf __PROTO__((const char*, int, int)); 195 extern __MANGLE__ Sfdouble_t sh_strnum __PROTO__((const char*, char**, int)); 196 extern __MANGLE__ int sh_access __PROTO__((const char*,int)); 197 extern __MANGLE__ int sh_close __PROTO__((int)); 198 extern __MANGLE__ int sh_dup __PROTO__((int)); 199 extern __MANGLE__ void sh_exit __PROTO__((int)); 200 extern __MANGLE__ int sh_fcntl __PROTO__((int, int, ...)); 201 extern __MANGLE__ Sfio_t *sh_fd2sfio __PROTO__((int)); 202 extern __MANGLE__ int (*sh_fdnotify __PROTO__((int(*)(int,int)))) __PROTO__((int,int)); 203 extern __MANGLE__ Shell_t *sh_getinterp __PROTO__((void)); 204 extern __MANGLE__ int sh_open __PROTO__((const char*, int, ...)); 205 extern __MANGLE__ int sh_openmax __PROTO__((void)); 206 extern __MANGLE__ Sfio_t *sh_pathopen __PROTO__((const char*)); 207 extern __MANGLE__ ssize_t sh_read __PROTO__((int, __V_*, size_t)); 208 extern __MANGLE__ ssize_t sh_write __PROTO__((int, const __V_*, size_t)); 209 extern __MANGLE__ off_t sh_seek __PROTO__((int, off_t, int)); 210 extern __MANGLE__ int sh_pipe __PROTO__((int[])); 211 extern __MANGLE__ mode_t sh_umask __PROTO__((mode_t)); 212 extern __MANGLE__ __V_ *sh_waitnotify __PROTO__((Shwait_f)); 213 extern __MANGLE__ Shscope_t *sh_getscope __PROTO__((int,int)); 214 extern __MANGLE__ Shscope_t *sh_setscope __PROTO__((Shscope_t*)); 215 extern __MANGLE__ void sh_sigcheck __PROTO__((void)); 216 extern __MANGLE__ unsigned long sh_isoption __PROTO__((int)); 217 extern __MANGLE__ unsigned long sh_onoption __PROTO__((int)); 218 extern __MANGLE__ unsigned long sh_offoption __PROTO__((int)); 219 extern __MANGLE__ int sh_waitsafe __PROTO__((void)); 220 extern __MANGLE__ int sh_exec __PROTO__((const Shnode_t*,int)); 221 222 #if SHOPT_DYNAMIC 223 extern __MANGLE__ __V_ **sh_getliblist __PROTO__((void)); 224 #endif /* SHOPT_DYNAMIC */ 225 226 /* 227 * direct access to sh is obsolete, use sh_getinterp() instead 228 */ 229 #if !defined(_SH_PRIVATE) && defined(__IMPORT__) && !defined(_BLD_shell) 230 extern __MANGLE__ __IMPORT__ Shell_t sh; 231 #else 232 extern __MANGLE__ Shell_t sh; 233 #endif 234 235 #ifdef _DLL 236 #undef __MANGLE__ 237 #define __MANGLE__ __LINKAGE__ 238 #endif /* _DLL */ 239 240 #ifndef _SH_PRIVATE 241 # define access(a,b) sh_access(a,b) 242 # define close(a) sh_close(a) 243 # define exit(a) sh_exit(a) 244 # define fcntl(a,b,c) sh_fcntl(a,b,c) 245 # define pipe(a) sh_pipe(a) 246 # define read(a,b,c) sh_read(a,b,c) 247 # define write(a,b,c) sh_write(a,b,c) 248 # define umask(a) sh_umask(a) 249 # define dup sh_dup 250 # if _lib_lseek64 251 # define open64 sh_open 252 # define lseek64 sh_seek 253 # else 254 # define open sh_open 255 # define lseek sh_seek 256 # endif 257 #endif /* !_SH_PRIVATE */ 258 259 #define SH_SIGSET 4 260 #define SH_EXITSIG 0400 /* signal exit bit */ 261 #define SH_EXITMASK (SH_EXITSIG-1) /* normal exit status bits */ 262 #define SH_RUNPROG -1022 /* needs to be negative and < 256 */ 263 264 #endif /* SH_INTERACTIVE */ 265