mDNSMacOS9/mDNSLibraryLoader.c

   1 /* -*- Mode: C; tab-width: 4 -*-
   2  *
   3  * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 #include <Resources.h>
  19 #include <CodeFragments.h>
  20 #include "ShowInitIcon.h"
  21
  22 extern pascal OSErr FragRegisterFileLibs(ConstFSSpecPtr fss, Boolean unregister);
  23
  24 extern void main(void)
  25         {
  26         OSStatus err;
  27         FCBPBRec fcbPB;
  28         FSSpec fss;
  29
  30         // 1. Show our "icon march" icon
  31         ShowInitIcon(128, true);
  32
  33         // 2. Find our FSSpec
  34         fss.name[0] = 0;
  35         fcbPB.ioNamePtr = fss.name;
  36         fcbPB.ioVRefNum = 0;
  37         fcbPB.ioRefNum = (short)CurResFile();
  38         fcbPB.ioFCBIndx = 0;
  39         err = PBGetFCBInfoSync(&fcbPB);
  40
  41         // 3. Tell CFM that we're a CFM library container file
  42         fss.vRefNum = fcbPB.ioFCBVRefNum;
  43         fss.parID = fcbPB.ioFCBParID;
  44         if (err == noErr) err = FragRegisterFileLibs(&fss, false);
  45
  46         // 4. Now that CFM knows we're a library container, tell it to go and get our library
  47         if (err == noErr)
  48                 {
  49                 CFragConnectionID c;
  50                 Ptr m;
  51                 Str255 e;
  52                 THz oldZone = GetZone();
  53                 SetZone(SystemZone());
  54                 err = GetSharedLibrary("\pDarwin;mDNS", kPowerPCCFragArch, kLoadCFrag, &c, &m, e);
  55                 SetZone(oldZone);
  56                 }
  57         }
  58
  59 // There's no CFM stub library for the FragRegisterFileLibs() call, so we'll make our own
  60 #if __ide_target("FragRegisterFileLibsStub")
  61 #pragma export on
  62 pascal OSErr FragRegisterFileLibs(ConstFSSpecPtr fss, Boolean unregister)
  63         {
  64         (void)fss;                      // Unused
  65         (void)unregister;       // Unused
  66         return(0);
  67         }
  68 #endif