Merge branch 'debian/jessie' into debian/experimental
[apt.git] / apt-pkg / pkgsystem.cc
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1// -*- mode: cpp; mode: fold -*-
2// Description /*{{{*/
cb063009 3// $Id: pkgsystem.cc,v 1.3 2004/02/27 00:43:16 mdz Exp $
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4/* ######################################################################
5
6 System - Abstraction for running on different systems.
7
8 Basic general structure..
9
10 ##################################################################### */
11 /*}}}*/
12// Include Files /*{{{*/
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13#include<config.h>
14
b2e465d6 15#include <apt-pkg/pkgsystem.h>
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16#include <apt-pkg/macros.h>
17
cb063009 18#include <cassert>
4f333a8b 19#include <cstring>
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20 /*}}}*/
21
22pkgSystem *_system = 0;
23static pkgSystem *SysList[10];
24pkgSystem **pkgSystem::GlobalList = SysList;
25unsigned long pkgSystem::GlobalListLen = 0;
26
27// System::pkgSystem - Constructor /*{{{*/
28// ---------------------------------------------------------------------
29/* Add it to the global list.. */
dcaa1185 30pkgSystem::pkgSystem() : Label(NULL), VS(NULL)
b2e465d6 31{
cb063009 32 assert(GlobalListLen < sizeof(SysList)/sizeof(*SysList));
b2e465d6 33 SysList[GlobalListLen] = this;
dcaa1185 34 ++GlobalListLen;
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35}
36 /*}}}*/
37// System::GetSystem - Get the named system /*{{{*/
38// ---------------------------------------------------------------------
39/* */
a02db58f 40APT_PURE pkgSystem *pkgSystem::GetSystem(const char *Label)
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41{
42 for (unsigned I = 0; I != GlobalListLen; I++)
43 if (strcmp(SysList[I]->Label,Label) == 0)
44 return SysList[I];
45 return 0;
46}
47 /*}}}*/