fileutl: empty file support: Avoid fstat() on -1 fd and check result

[apt.git] / apt-pkg / indexcopy.h

diff --git a/apt-pkg/indexcopy.h b/apt-pkg/indexcopy.h
index 60c90dd4a2d9fdc1eb1de72f0476fbd517e93ad0..dc3b985a285deb488d8d9d2ee9d644ed2ca7674d 100644 (file)
--- a/apt-pkg/indexcopy.h
+++ b/apt-pkg/indexcopy.h
@@ -1,6 +1,5 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/

-// $Id: indexcopy.h,v 1.3 2001/05/27 04:46:54 jgg Exp $

 /* ######################################################################
 
    Index Copying - Aid for copying and verifying the index files
 /* ######################################################################
 
    Index Copying - Aid for copying and verifying the index files


@@ -11,97 +10,119 @@
 #define INDEXCOPY_H
 
 #include <vector>
 #define INDEXCOPY_H
 
 #include <vector>

+#ifndef APT_11_CLEAN_HEADERS

 #include <string>
 #include <stdio.h>
 #include <string>
 #include <stdio.h>

+#endif
+
+#include <apt-pkg/macros.h>

 
 

+#ifndef APT_10_CLEANER_HEADERS
+#include <apt-pkg/gpgv.h>
+class FileFd;
+#endif
+#ifndef APT_8_CLEANER_HEADERS

 using std::string;
 using std::vector;
 using std::string;
 using std::vector;

+#endif

 
 class pkgTagSection;
 
 class pkgTagSection;

-class FileFd;
-class indexRecords;

 class pkgCdromStatus;
 class pkgCdromStatus;

+class FileFd;
+class metaIndex;

 
 class IndexCopy                                                                /*{{{*/
 {
    /** \brief dpointer placeholder (for later in case we need it) */
 
 class IndexCopy                                                                /*{{{*/
 {
    /** \brief dpointer placeholder (for later in case we need it) */

-   void *d;
+   void * const d;

 
    protected:
    
    pkgTagSection *Section;
    
 
    protected:
    
    pkgTagSection *Section;
    

-   string ChopDirs(string Path,unsigned int Depth);
-   bool ReconstructPrefix(string &Prefix,string OrigPath,string CD,
-                         string File);
-   bool ReconstructChop(unsigned long &Chop,string Dir,string File);
-   void ConvertToSourceList(string CD,string &Path);
-   bool GrabFirst(string Path,string &To,unsigned int Depth);
-   virtual bool GetFile(string &Filename,unsigned long long &Size) = 0;
-   virtual bool RewriteEntry(FILE *Target,string File) = 0;
+   std::string ChopDirs(std::string Path,unsigned int Depth);
+   bool ReconstructPrefix(std::string &Prefix,std::string OrigPath,std::string CD,
+                         std::string File);
+   bool ReconstructChop(unsigned long &Chop,std::string Dir,std::string File);
+   void ConvertToSourceList(std::string CD,std::string &Path);
+   bool GrabFirst(std::string Path,std::string &To,unsigned int Depth);
+   virtual bool GetFile(std::string &Filename,unsigned long long &Size) = 0;
+   virtual bool RewriteEntry(FileFd &Target, std::string const &File) = 0;

    virtual const char *GetFileName() = 0;
    virtual const char *Type() = 0;
    
    public:
 
    virtual const char *GetFileName() = 0;
    virtual const char *Type() = 0;
    
    public:
 

-   bool CopyPackages(string CDROM,string Name,vector<string> &List,
+   bool CopyPackages(std::string CDROM,std::string Name,std::vector<std::string> &List,

                     pkgCdromStatus *log);
                     pkgCdromStatus *log);

-   virtual ~IndexCopy() {};
+   IndexCopy();
+   virtual ~IndexCopy();

 };
                                                                        /*}}}*/
 class PackageCopy : public IndexCopy                                   /*{{{*/
 {
 };
                                                                        /*}}}*/
 class PackageCopy : public IndexCopy                                   /*{{{*/
 {

+   void * const d;

    protected:
    protected:

-   
-   virtual bool GetFile(string &Filename,unsigned long long &Size);
-   virtual bool RewriteEntry(FILE *Target,string File);
-   virtual const char *GetFileName() {return "Packages";};
-   virtual const char *Type() {return "Package";};
-   
+
+   virtual bool GetFile(std::string &Filename,unsigned long long &Size) APT_OVERRIDE;
+   virtual bool RewriteEntry(FileFd &Target, std::string const &File) APT_OVERRIDE;
+   virtual const char *GetFileName() APT_OVERRIDE {return "Packages";};
+   virtual const char *Type() APT_OVERRIDE {return "Package";};
+
+   public:
+   PackageCopy();
+   virtual ~PackageCopy();

 };
                                                                        /*}}}*/
 class SourceCopy : public IndexCopy                                    /*{{{*/
 {
 };
                                                                        /*}}}*/
 class SourceCopy : public IndexCopy                                    /*{{{*/
 {

+   void * const d;

    protected:
    
    protected:
    

-   virtual bool GetFile(string &Filename,unsigned long long &Size);
-   virtual bool RewriteEntry(FILE *Target,string File);
-   virtual const char *GetFileName() {return "Sources";};
-   virtual const char *Type() {return "Source";};
-   
+   virtual bool GetFile(std::string &Filename,unsigned long long &Size) APT_OVERRIDE;
+   virtual bool RewriteEntry(FileFd &Target, std::string const &File) APT_OVERRIDE;
+   virtual const char *GetFileName() APT_OVERRIDE {return "Sources";};
+   virtual const char *Type() APT_OVERRIDE {return "Source";};
+
+   public:
+   SourceCopy();
+   virtual ~SourceCopy();

 };
                                                                        /*}}}*/
 class TranslationsCopy                                                 /*{{{*/
 {
 };
                                                                        /*}}}*/
 class TranslationsCopy                                                 /*{{{*/
 {

+   void * const d;

    protected:
    pkgTagSection *Section;
 
    public:
    protected:
    pkgTagSection *Section;
 
    public:

-   bool CopyTranslations(string CDROM,string Name,vector<string> &List,
+   bool CopyTranslations(std::string CDROM,std::string Name,std::vector<std::string> &List,

                         pkgCdromStatus *log);
                         pkgCdromStatus *log);

+
+   TranslationsCopy();
+   virtual ~TranslationsCopy();

 };
                                                                        /*}}}*/
 class SigVerify                                                                /*{{{*/
 {
    /** \brief dpointer placeholder (for later in case we need it) */
 };
                                                                        /*}}}*/
 class SigVerify                                                                /*{{{*/
 {
    /** \brief dpointer placeholder (for later in case we need it) */

-   void *d;
+   void * const d;

 
 

-   bool Verify(string prefix,string file, indexRecords *records);
-   bool CopyMetaIndex(string CDROM, string CDName, 
-                     string prefix, string file);
+   APT_HIDDEN bool Verify(std::string prefix,std::string file, metaIndex *records);
+   APT_HIDDEN bool CopyMetaIndex(std::string CDROM, std::string CDName,
+                     std::string prefix, std::string file);

 
  public:
 
  public:

-   bool CopyAndVerify(string CDROM,string Name,vector<string> &SigList,
-                     vector<string> PkgList,vector<string> SrcList);
+   bool CopyAndVerify(std::string CDROM,std::string Name,std::vector<std::string> &SigList,
+                     std::vector<std::string> PkgList,std::vector<std::string> SrcList);

 
 

-   /** \brief generates and run the command to verify a file with gpgv */
-   static bool RunGPGV(std::string const &File, std::string const &FileOut,
+   APT_DEPRECATED_MSG("Use ExecGPGV instead") static bool RunGPGV(std::string const &File, std::string const &FileOut,

                       int const &statusfd, int fd[2]);
                       int const &statusfd, int fd[2]);

-   inline static bool RunGPGV(std::string const &File, std::string const &FileOut,
-                             int const &statusfd = -1) {
-      int fd[2];
-      return RunGPGV(File, FileOut, statusfd, fd);
-   };
+   APT_DEPRECATED_MSG("Use ExecGPGV instead") static bool RunGPGV(std::string const &File, std::string const &FileOut,
+                             int const &statusfd = -1);
+
+   SigVerify();
+   virtual ~SigVerify();

 };
                                                                        /*}}}*/
 
 };
                                                                        /*}}}*/