commands/ash/shell.h

   1 /*-
   2  * Copyright (c) 1991, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * This code is derived from software contributed to Berkeley by
   6  * Kenneth Almquist.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 4. Neither the name of the University nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  *
  32  *      @(#)shell.h     8.2 (Berkeley) 5/4/95
  33  * $FreeBSD: src/bin/sh/shell.h,v 1.17 2004/04/06 20:06:51 markm Exp $
  34  */
  35
  36 #include <sys/types.h>  /* for mode_t */
  37
  38 /*
  39  * The follow should be set to reflect the type of system you have:
  40  *      JOBS -> 1 if you have Berkeley job control, 0 otherwise.
  41  *      TILDE -> 1 if you want the shell to expand ~logname.
  42  *      USEGETPW -> 1 if getpwnam() must be used to look up a name.
  43  *      READLINE -> 1 if line editing by readline() should be enabled.
  44  *      define BSD if you are running 4.2 BSD or later.
  45  *      define SYSV if you are running under System V.
  46  *      define DEBUG=1 to compile in debugging (set global "debug" to turn on)
  47  *      define DEBUG=2 to compile in and turn on debugging.
  48  *
  49  * When debugging is on, debugging info will be written to $HOME/trace and
  50  * a quit signal will generate a core dump.
  51  */
  52
  53 #ifndef JOBS
  54 #define JOBS 1
  55 #endif
  56 #ifndef BSD
  57 #define BSD 1
  58 #endif
  59 #ifndef DEBUG
  60 #define DEBUG 0
  61 #endif
  62 #define POSIX 1
  63
  64 /*
  65  * Type of used arithmetics. SUSv3 requires us to have at least signed long.
  66  */
  67 typedef long arith_t;
  68 #define ARITH_FORMAT_STR  "%ld"
  69 #define atoarith_t(arg)  strtol(arg, NULL, 0)
  70 #define strtoarith_t(nptr, endptr, base)  strtol(nptr, endptr, base)
  71
  72 typedef void *pointer;
  73 #define STATIC  static
  74 #define MKINIT  /* empty */
  75
  76 extern char nullstr[1];         /* null string */
  77
  78 #if DEBUG
  79 #define TRACE(param)  sh_trace param
  80 #else
  81 #define TRACE(param)
  82 #endif
  83
  84 /*
  85  * $PchId: shell.h,v 1.7 2006/05/22 12:47:00 philip Exp $
  86  */