apt-inst: Do not try to create a substring of an empty string in error reporting

[apt.git] / ftparchive / multicompress.h

diff --git a/ftparchive/multicompress.h b/ftparchive/multicompress.h
index 444d8626f35c7ad7a86194b598e90339a35bcb8b..ddd1815a3bccb235211c5d37546d0cee4aae6c42 100644 (file)
--- a/ftparchive/multicompress.h
+++ b/ftparchive/multicompress.h
@@ -16,48 +16,32 @@
 #ifndef MULTICOMPRESS_H
 #define MULTICOMPRESS_H
 
-#ifdef __GNUG__
-#pragma interface "multicompress.h"
-#endif 
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/aptconfiguration.h>
 
 #include <string>
-#include <apt-pkg/fileutl.h>
 #include <stdio.h>
 #include <sys/types.h>
-    
+#include <time.h>
+
 class MultiCompress
 {
-   // Enumeration of all supported compressors
-   struct CompType
-   {
-      const char *Name;
-      const char *Extension;
-      const char *Binary;
-      const char *CompArgs;
-      const char *UnCompArgs;
-      unsigned char Cost;
-   };
-
    // An output file
    struct Files
    {
-      string Output;
-      const CompType *CompressProg;
-      Files *Next;      
+      std::string Output;
+      APT::Configuration::Compressor CompressProg;
+      Files *Next;
       FileFd TmpFile;
       pid_t CompressProc;
       time_t OldMTime;
-      int Fd;
    };
    
    Files *Outputs;
    pid_t Outputter;
    mode_t Permissions;
-   static const CompType Compressors[];
 
-   bool OpenCompress(const CompType *Prog,pid_t &Pid,int FileFd,
-                    int &OutFd,bool Comp);
-   bool Child(int Fd);
+   bool Child(int const &Fd);
    bool Start();
    bool Die();
    
@@ -67,13 +51,12 @@ class MultiCompress
    FILE *Input;
    unsigned long UpdateMTime;
    
-   bool Finalize(unsigned long &OutSize);
-   bool OpenOld(int &Fd,pid_t &Proc);
-   bool CloseOld(int Fd,pid_t Proc);
-   static bool GetStat(string Output,string Compress,struct stat &St);
+   bool Finalize(unsigned long long &OutSize);
+   bool OpenOld(FileFd &Fd);
+   static bool GetStat(std::string const &Output,std::string const &Compress,struct stat &St);
    
-   MultiCompress(string Output,string Compress,mode_t Permissions,
-                bool Write = true);
+   MultiCompress(std::string const &Output,std::string const &Compress,
+                mode_t const &Permissions, bool const &Write = true);
    ~MultiCompress();
 };