bin/csh/init.c

/*-
 * Copyright (c) 1980, 1991 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef lint
static char sccsid[] = "@(#)init.c      5.12 (Berkeley) 6/27/91";
#endif /* not lint */

#if __STDC__
# include <stdarg.h>
#else
# include <varargs.h>
#endif

#include "csh.h"
#include "extern.h"

#define INF     1000

struct biltins bfunc[] =
{
    "@",        dolet,          0, INF,
    "alias",    doalias,        0, INF,
    "alloc",    showall,        0, 1,
    "bg",       dobg,           0, INF,
    "break",    dobreak,        0, 0,
    "breaksw",  doswbrk,        0, 0,
    "case",     dozip,          0, 1,
    "cd",       dochngd,        0, INF,
    "chdir",    dochngd,        0, INF,
    "continue", docontin,       0, 0,
    "default",  dozip,          0, 0,
    "dirs",     dodirs,         0, INF,
    "echo",     doecho,         0, INF,
    "else",     doelse,         0, INF,
    "end",      doend,          0, 0,
    "endif",    dozip,          0, 0,
    "endsw",    dozip,          0, 0,
    "eval",     doeval,         0, INF,
    "exec",     execash,        1, INF,
    "exit",     doexit,         0, INF,
    "fg",       dofg,           0, INF,
    "foreach",  doforeach,      3, INF,
    "glob",     doglob,         0, INF,
    "goto",     dogoto,         1, 1,
    "hashstat", hashstat,       0, 0,
    "history",  dohist,         0, 2,
    "if",       doif,           1, INF,
    "jobs",     dojobs,         0, 1,
    "kill",     dokill,         1, INF,
    "limit",    dolimit,        0, 3,
    "linedit",  doecho,         0, INF,
    "login",    dologin,        0, 1,
    "logout",   dologout,       0, 0,
    "nice",     donice,         0, INF,
    "nohup",    donohup,        0, INF,
    "notify",   donotify,       0, INF,
    "onintr",   doonintr,       0, 2,
    "popd",     dopopd,         0, INF,
    "pushd",    dopushd,        0, INF,
    "rehash",   dohash,         0, 0,
    "repeat",   dorepeat,       2, INF,
    "set",      doset,          0, INF,
    "setenv",   dosetenv,       0, 2,
    "shift",    shift,          0, 1,
    "source",   dosource,       1, 2,
    "stop",     dostop,         1, INF,
    "suspend",  dosuspend,      0, 0,
    "switch",   doswitch,       1, INF,
    "time",     dotime,         0, INF,
    "umask",    doumask,        0, 1,
    "unalias",  unalias,        1, INF,
    "unhash",   dounhash,       0, 0,
    "unlimit",  dounlimit,      0, INF,
    "unset",    unset,          1, INF,
    "unsetenv", dounsetenv,     1, INF,
    "wait",     dowait,         0, 0,
    "while",    dowhile,        1, INF,
};
int     nbfunc = sizeof bfunc / sizeof *bfunc;

struct srch srchn[] =
{
    "@",        T_LET,
    "break",    T_BREAK,
    "breaksw",  T_BRKSW,
    "case",     T_CASE,
    "default",  T_DEFAULT,
    "else",     T_ELSE,
    "end",      T_END,
    "endif",    T_ENDIF,
    "endsw",    T_ENDSW,
    "exit",     T_EXIT,
    "foreach",  T_FOREACH,
    "goto",     T_GOTO,
    "if",       T_IF,
    "label",    T_LABEL,
    "set",      T_SET,
    "switch",   T_SWITCH,
    "while",    T_WHILE,
};
int     nsrchn = sizeof srchn / sizeof *srchn;

struct mesg mesg[] =
{
     /*  0 */   0,              "",
     /*  1 */   "HUP",          "Hangup",
     /*  2 */   "INT",          "Interrupt",
     /*  3 */   "QUIT",         "Quit",
     /*  4 */   "ILL",          "Illegal instruction",
     /*  5 */   "TRAP",         "Trace/BPT trap",
     /*  6 */   "IOT",          "IOT trap",
     /*  7 */   "EMT",          "EMT trap",
     /*  8 */   "FPE",          "Floating exception",
     /*  9 */   "KILL",         "Killed",
     /* 10 */   "BUS",          "Bus error",
     /* 11 */   "SEGV",         "Segmentation fault",
     /* 12 */   "SYS",          "Bad system call",
     /* 13 */   "PIPE",         "Broken pipe",
     /* 14 */   "ALRM",         "Alarm clock",
     /* 15 */   "TERM",         "Terminated",
     /* 16 */   "URG",          "Urgent condition on IO channel",
     /* 17 */   "STOP",         "Suspended (signal)",
     /* 18 */   "TSTP",         "Suspended",
     /* 19 */   "CONT",         "Continued",
     /* 20 */   "CHLD",         "Child exited",
     /* 21 */   "TTIN",         "Suspended (tty input)",
     /* 22 */   "TTOU",         "Suspended (tty output)",
     /* 23 */   "IO",           "IO possible interrupt",
     /* 24 */   "XCPU",         "Cputime limit exceeded",
     /* 25 */   "XFSZ",         "Filesize limit exceeded",
     /* 26 */   "VTALRM",       "Virtual time alarm",
     /* 27 */   "PROF",         "Profiling time alarm",
     /* 28 */   "WINCH",        "Window changed",
     /* 29 */   "INFO",         "Information request",
     /* 30 */   "USR1",         "User signal 1",
     /* 31 */   "USR2",         "User signal 2",
     /* 32 */   0,              "Signal 32",
};