apt-pkg/pkgsystem.cc

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: pkgsystem.cc,v 1.2 2001/02/20 07:03:17 jgg Exp $
   4 /* ######################################################################
   5
   6    System - Abstraction for running on different systems.
   7
   8    Basic general structure..
   9
  10    ##################################################################### */
  11                                                                         /*}}}*/
  12 // Include Files                                                        /*{{{*/
  13 #ifdef __GNUG__
  14 #pragma implementation "apt-pkg/pkgsystem.h"
  15 #endif
  16
  17 #include <apt-pkg/pkgsystem.h>
  18 #include <apt-pkg/policy.h>
  19                                                                         /*}}}*/
  20
  21 pkgSystem *_system = 0;
  22 static pkgSystem *SysList[10];
  23 pkgSystem **pkgSystem::GlobalList = SysList;
  24 unsigned long pkgSystem::GlobalListLen = 0;
  25
  26 // System::pkgSystem - Constructor                                      /*{{{*/
  27 // ---------------------------------------------------------------------
  28 /* Add it to the global list.. */
  29 pkgSystem::pkgSystem()
  30 {
  31    SysList[GlobalListLen] = this;
  32    GlobalListLen++;
  33 }
  34                                                                         /*}}}*/
  35 // System::GetSystem - Get the named system                             /*{{{*/
  36 // ---------------------------------------------------------------------
  37 /* */
  38 pkgSystem *pkgSystem::GetSystem(const char *Label)
  39 {
  40    for (unsigned I = 0; I != GlobalListLen; I++)
  41       if (strcmp(SysList[I]->Label,Label) == 0)
  42          return SysList[I];
  43    return 0;
  44 }
  45                                                                         /*}}}*/