workbench/c/shellcommands/shellcommands_intern.h

   1 /*
   2     Copyright © 1995-2004, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Internal data structures for expansion.library
   6     Lang: english
   7 */
   8
   9 #ifndef _SHELLCOMMANDS_INTERN_H
  10 #define _SHELLCOMMANDS_INTERN_H
  11
  12 #include <exec/types.h>
  13 #include <exec/libraries.h>
  14 #include <dos/dosextens.h>
  15
  16 #include <aros/shcommands.h>
  17
  18 struct ShellCommandsBase {
  19     struct Library sc_Lib;
  20
  21     int         sc_Commands;              /* Number of commands */
  22
  23     /* This is both a segment, and the data for the segment.
  24      * We will feed in to DOS/AddSegment() the BPTR to
  25      * &sc_Command[i].scs_Next as the 'seglist' to add.
  26      */
  27     struct ShellCommandSeg {
  28         ULONG              scs_Size;      /* Length of segment in # of ULONGs */
  29         ULONG              scs_Next;      /* Next segment (always 0 for this) */
  30         struct FullJumpVec scs_Code;      /* Code to jump to shell command */
  31         CONST_STRPTR __attribute__((aligned(4)))  scs_Name;      /* Name of the segment */
  32     } *sc_Command;
  33
  34     /* Bookkeeping */
  35     BPTR        sc_SegList;
  36
  37     APTR        sc_DOSBase;
  38 };
  39
  40 extern struct ExecBase *SysBase;
  41 #define DOSBase (ShellCommandsBase->sc_DOSBase)
  42
  43
  44 #endif /* _SHELLCOMMANDS_INTERN_H */