usr/src/lib/libshell/sparc/include/ast/shell.h

   1
   2 /* : : generated by proto : : */
   3 /***********************************************************************
   4 *                                                                      *
   5 *               This software is part of the ast package               *
   6 *          Copyright (c) 1982-2010 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 */