use fileutl exists-functions instead of doing the stat'ing by hand

[apt.git] / apt-pkg / cdrom.cc

diff --git a/apt-pkg/cdrom.cc b/apt-pkg/cdrom.cc
index df1ffedf23e11f6ea5f5cff361b8f68035bca312..f5c19a4d600e0301eac09aa8c20ba2b347da92f9 100644 (file)
--- a/apt-pkg/cdrom.cc
+++ b/apt-pkg/cdrom.cc
@@ -1,5 +1,6 @@
 /*
  */
+#include<config.h>
 
 #include<apt-pkg/init.h>
 #include<apt-pkg/error.h>
@@ -7,11 +8,11 @@
 #include<apt-pkg/strutl.h>
 #include<apt-pkg/cdrom.h>
 #include<apt-pkg/aptconfiguration.h>
+#include<apt-pkg/configuration.h>
+#include<apt-pkg/fileutl.h>
 
 #include<sstream>
 #include<fstream>
-#include<config.h>
-#include<apti18n.h>
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <dirent.h>
@@ -22,6 +23,8 @@
 
 #include "indexcopy.h"
 
+#include<apti18n.h>
+
 using namespace std;
 
 // FindPackages - Find the package files on the CDROM                  /*{{{*/
@@ -55,15 +58,14 @@ bool pkgCdrom::FindPackages(string CD,
       return _error->Errno("chdir","Unable to change to %s",CD.c_str());
 
    // Look for a .disk subdirectory
-   struct stat Buf;
-   if (stat(".disk",&Buf) == 0)
+   if (DirectoryExists(".disk") == true)
    {
       if (InfoDir.empty() == true)
         InfoDir = CD + ".disk/";
    }
 
    // Don't look into directories that have been marked to ingore.
-   if (stat(".aptignr",&Buf) == 0)
+   if (RealFileExists(".aptignr") == true)
       return true;
 
 
@@ -71,50 +73,77 @@ bool pkgCdrom::FindPackages(string CD,
       under a Packages/Source file are in control of that file and stops 
       the scanning
    */
-   if (stat("Release.gpg",&Buf) == 0)
+   if (RealFileExists("Release.gpg") == true)
    {
       SigList.push_back(CD);
    }
+
    /* Aha! We found some package files. We assume that everything under 
       this dir is controlled by those package files so we don't look down
       anymore */
-   if (stat("Packages",&Buf) == 0 || stat("Packages.gz",&Buf) == 0)
+   std::vector<APT::Configuration::Compressor> const compressor = APT::Configuration::getCompressors();
+   for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressor.begin();
+       c != compressor.end(); ++c)
    {
+      if (RealFileExists(std::string("Packages").append(c->Extension).c_str()) == false)
+        continue;
+
+      if (_config->FindB("Debug::aptcdrom",false) == true)
+        std::clog << "Found Packages in " << CD << std::endl;
       List.push_back(CD);
-      
+
       // Continue down if thorough is given
       if (_config->FindB("APT::CDROM::Thorough",false) == false)
         return true;
+      break;
    }
-   if (stat("Sources.gz",&Buf) == 0 || stat("Sources",&Buf) == 0)
+   for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressor.begin();
+       c != compressor.end(); ++c)
    {
+      if (RealFileExists(std::string("Sources").append(c->Extension).c_str()) == false)
+        continue;
+
+      if (_config->FindB("Debug::aptcdrom",false) == true)
+        std::clog << "Found Sources in " << CD << std::endl;
       SList.push_back(CD);
-      
+
       // Continue down if thorough is given
       if (_config->FindB("APT::CDROM::Thorough",false) == false)
         return true;
+      break;
    }
 
-   // see if we find translatin indexes
-   if (stat("i18n",&Buf) == 0)
+   // see if we find translation indices
+   if (DirectoryExists("i18n") == true)
    {
       D = opendir("i18n");
       for (struct dirent *Dir = readdir(D); Dir != 0; Dir = readdir(D))
       {
-        if(strstr(Dir->d_name,"Translation") != NULL) 
+        if(strncmp(Dir->d_name, "Translation-", strlen("Translation-")) != 0)
+           continue;
+        string file = Dir->d_name;
+        for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressor.begin();
+             c != compressor.end(); ++c)
         {
-           if (_config->FindB("Debug::aptcdrom",false) == true)
-              std::clog << "found translations: " << Dir->d_name << "\n";
-           string file = Dir->d_name;
-           if(file.substr(file.size()-3,file.size()) == ".gz")
-              file = file.substr(0,file.size()-3);
-           TransList.push_back(CD+"i18n/"+ file);
+           string fileext = flExtension(file);
+           if (file == fileext)
+              fileext.clear();
+           else if (fileext.empty() == false)
+              fileext = "." + fileext;
+
+           if (c->Extension == fileext)
+           {
+              if (_config->FindB("Debug::aptcdrom",false) == true)
+                 std::clog << "Found translation " << Dir->d_name << " in " << CD << "i18n/" << std::endl;
+              file.erase(file.size() - fileext.size());
+              TransList.push_back(CD + "i18n/" + file);
+              break;
+           }
         }
       }
       closedir(D);
    }
 
-   
    D = opendir(".");
    if (D == 0)
       return _error->Errno("opendir","Unable to read %s",CD.c_str());
@@ -251,16 +280,27 @@ bool pkgCdrom::DropRepeats(vector<string> &List,const char *Name)
 {
    // Get a list of all the inodes
    ino_t *Inodes = new ino_t[List.size()];
-   for (unsigned int I = 0; I != List.size(); I++)
+   for (unsigned int I = 0; I != List.size(); ++I)
    {
       struct stat Buf;
-      if (stat((List[I] + Name).c_str(),&Buf) != 0 &&
-         stat((List[I] + Name + ".gz").c_str(),&Buf) != 0)
-        _error->Errno("stat","Failed to stat %s%s",List[I].c_str(),
-                      Name);
-      Inodes[I] = Buf.st_ino;
+      bool found = false;
+
+      std::vector<APT::Configuration::Compressor> const compressor = APT::Configuration::getCompressors();
+      for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressor.begin();
+          c != compressor.end(); ++c)
+      {
+        std::string filename = std::string(List[I]).append(Name).append(c->Extension);
+         if (stat(filename.c_str(), &Buf) != 0)
+           continue;
+        Inodes[I] = Buf.st_ino;
+        found = true;
+        break;
+      }
+
+      if (found == false)
+         _error->Errno("stat","Failed to stat %s%s",List[I].c_str(), Name);
    }
-   
+
    if (_error->PendingError() == true) {
       delete[] Inodes;
       return false;