EnigmA Amiga Run 1996 February/EnigmA AMIGA RUN 04 (1996)(G.R. Edizioni)(IT)[!][issue 1996-02][Skylink CD III].iso/earcd/util1/shdwst13.lha/ShadowStart13/3.1/ShadowStart.c

C/C++ Source or Header | 1995-08-15 | 6KB | 153 lines

/* $Revision Header built automatically *************** (do not edit) ************
**
** © Copyright by Lars Eilebrecht (Shadowfox)
**
** File             : Work:Program/SC/PRG/ShadowStart/ShadowStart.c
** Created on       : Mittwoch, 16.11.94 17:23:09
** Created by       : Lars Eilebrecht
** Current revision : V1.3
**
**
** Purpose
** -------
**     Disable "WBStartup" and/or "User-Startup" during startup. (V40)
**
** Revision V1.3
** --------------
** created on Montag, 14.08.95 22:41:18  by  Lars Eilebrecht.   LogMessage :
**   - added validation test for SYS: partition
**     minor code changes
**
** Revision V1.2
** --------------
** created on Freitag, 09.12.94 01:06:44  by  Lars Eilebrecht.   LogMessage :
**   - minor code changes
**
** Revision V1.1
** --------------
** created on Montag, 28.11.94 18:58:55  by  Lars Eilebrecht.   LogMessage :
**  -*-  changed on Samstag, 03.12.94 22:12:20  by  Lars Eilebrecht.   LogMessage :
**   - recompiled ShadowStart without startup-code
**     (results in a shorter executable)
**  -*-  created on Montag, 28.11.94 18:58:55  by  Lars Eilebrecht.   LogMessage :
**   - added NewShell-button
**     renamed other buttons, so that it fit on a lores-screen
**     removed stdio.h include (shorter executable)
**     cleaned up code a little
**
** Revision V1.0
** --------------
** created on Mittwoch, 16.11.94 17:23:09  by  Lars Eilebrecht.   LogMessage :
**     --- Initial release ---
**
*********************************************************************************/
#define REVISION "1.3"
#define REVDATE  "14.08.95"
#define REVTIME  "22:41:18"
#define AUTHOR   "Lars Eilebrecht"
#define VERNUM   1
#define REVNUM   3
#define TITLE "ShadowStart "REVISION" ("REVDATE") (V40) © by "AUTHOR

#include <exec/types.h>
#include <intuition/intuition.h>
#include <libraries/lowlevel.h>
#include <libraries/dos.h>

#include <pragmas/exec_pragmas.h>
#include <pragmas/dos_pragmas.h>
#include <pragmas/intuition_pragmas.h>
#include <pragmas/lowlevel_pragmas.h>

#include <clib/exec_protos.h>
#include <clib/dos_protos.h>
#include <clib/intuition_protos.h>
#include <clib/lowlevel_protos.h>

static const char ver[]="$VER: "TITLE"\0";

int ShadowStart(void)
{
  LONG rc=RETURN_FAIL;

  struct Library *DOSBase;

  if(DOSBase=OpenLibrary("dos.library",37))
  {
    struct Library *LowLevelBase;

    if(LowLevelBase=OpenLibrary("lowlevel.library",40))
    {
      struct Library *IntuitionBase;

      if(IntuitionBase=OpenLibrary("intuition.library",37))
      {
        BPTR syslock=Lock("SYS:",ACCESS_READ);                  // get lock on SYS: partition

        rc=RETURN_OK;                                           // so far it's ok...
        if(syslock)                                             // Got a lock? Exit, if not...
        {
          struct KeyQuery spacebar =                            // declare KeyQuery-struct
                          {
                            (UWORD)64,                          // rawkeycode for spacebar
                            FALSE,                              // not pressed yet...
                          };
          struct InfoData id;
          BOOL success=success=Info(syslock,&id);               // get info on SYS:
          while(success&&(id.id_DiskState==ID_VALIDATING))
          {                                                     // delay program excution until SYS: is validated
            Delay(150);                                         // wait 3 seconds...
            success=Info(syslock,&id);                          // and check again
          }
          if(!success)
            rc=RETURN_FAIL;
          if(Rename("SYS:_WBStartup","SYS:WBStartup"))          // rename to original names
            Rename("SYS:_WBStartup.info","SYS:WBStartup.info");
          Rename("SYS:S/_User-Startup","SYS:S/User-Startup");
          QueryKeys(&spacebar,(UBYTE)1);                        // dirty spacebar check ;-)
          if(spacebar.kq_Pressed)                               // Was it pressed? Silent exit, if not...
          {
            LONG result;

            struct EasyStruct shadowES =                        // declare EasyRequest-struct
                              {
                                sizeof(struct EasyStruct),
                                0, // no flags
                                "ShadowStart "REVISION" ("REVDATE") © by Lars `SFX' Eilebrecht",
                                "\nSelect startup-items you want to disable\n\nor select `NewShell' to open a shell-window\n",
                                "WB + User|WB|User|NewShell|Cancel",
                              };

            result=EasyRequest(NULL,&shadowES,NULL);
            switch (result)
            {                                                   // note: success of rename-operation isn't checked...
              case 1:
                Rename("SYS:S/User-Startup","SYS:S/_User-Startup");
              case 2:
                Rename("SYS:WBStartup","SYS:_WBStartup");
                Rename("SYS:WBStartup.info","SYS:_WBStartup.info");
                break;
              case 3:
                Rename("SYS:S/User-Startup","SYS:S/_User-Startup");
                break;
              case 4:
                if(!Execute("NewShell",0,0))                    // open a shell-window...
                  rc=RETURN_FAIL;
                Wait(SIGBREAKF_CTRL_C);                         // 'hold' startup-sequence...
            }
          }
          UnLock(syslock);
        }
        CloseLibrary(IntuitionBase);
      }
      else
        PrintFault(ERROR_INVALID_RESIDENT_LIBRARY,"intuition.library");
      CloseLibrary(LowLevelBase);
    }
    else
      PrintFault(ERROR_INVALID_RESIDENT_LIBRARY,"lowlevel.library");
    CloseLibrary(DOSBase);
  }
  return(rc);
}