Use a hardcoded buffer size of 4096 to fix performance

[apt.git] / apt-pkg / contrib / hashsum_template.h

diff --git a/apt-pkg/contrib/hashsum_template.h b/apt-pkg/contrib/hashsum_template.h
index 85d94c2afafdd6df9990df20b7a9d53a4eb936e1..d0ea0971ea5e2502e92ef18845789604765836fa 100644 (file)
--- a/apt-pkg/contrib/hashsum_template.h
+++ b/apt-pkg/contrib/hashsum_template.h
@@ -10,28 +10,42 @@
 #ifndef APTPKG_HASHSUM_TEMPLATE_H
 #define APTPKG_HASHSUM_TEMPLATE_H
 
+
 #include <string>
 #include <cstring>
+
+#include <apt-pkg/strutl.h>
+
+#ifndef APT_10_CLEANER_HEADERS
+#include <apt-pkg/fileutl.h>
 #include <algorithm>
 #include <stdint.h>
-
+#endif
+#ifndef APT_8_CLEANER_HEADERS
 using std::string;
 using std::min;
+#endif
+
+class FileFd;
 
 template<int N>
 class HashSumValue
 {
    unsigned char Sum[N/8];
-   
+
    public:
 
    // Accessors
    bool operator ==(const HashSumValue &rhs) const
    {
       return memcmp(Sum,rhs.Sum,sizeof(Sum)) == 0;
-   }; 
+   }
+   bool operator !=(const HashSumValue &rhs) const
+   {
+      return memcmp(Sum,rhs.Sum,sizeof(Sum)) != 0;
+   }
 
-   string Value() const
+   std::string Value() const
    {
       char Conv[16] =
       { '0','1','2','3','4','5','6','7','8','9','a','b',
@@ -39,7 +53,7 @@ class HashSumValue
       };
       char Result[((N/8)*2)+1];
       Result[(N/8)*2] = 0;
-      
+
       // Convert each char into two letters
       int J = 0;
       int I = 0;
@@ -48,32 +62,32 @@ class HashSumValue
          Result[I] = Conv[Sum[J] >> 4];
          Result[I + 1] = Conv[Sum[J] & 0xF];
       }
-      return string(Result);
-   };
-   
+      return std::string(Result);
+   }
+
    inline void Value(unsigned char S[N/8])
    {
-      for (int I = 0; I != sizeof(Sum); I++) 
+      for (int I = 0; I != sizeof(Sum); ++I)
          S[I] = Sum[I];
-   };
+   }
 
-   inline operator string() const 
+   inline operator std::string() const
    {
       return Value();
-   };
+   }
 
-   bool Set(string Str) 
+   bool Set(std::string Str)
    {
       return Hex2Num(Str,Sum,sizeof(Sum));
-   };
+   }
 
-   inline void Set(unsigned char S[N/8]) 
+   inline void Set(unsigned char S[N/8])
    {
-      for (int I = 0; I != sizeof(Sum); I++) 
+      for (int I = 0; I != sizeof(Sum); ++I)
          Sum[I] = S[I];
-   };
+   }
 
-   HashSumValue(string Str) 
+   explicit HashSumValue(std::string const &Str)
    {
          memset(Sum,0,sizeof(Sum));
          Set(Str);
@@ -87,21 +101,22 @@ class HashSumValue
 class SummationImplementation
 {
    public:
-   virtual bool Add(const unsigned char *inbuf, unsigned long inlen) = 0;
-   inline bool Add(const char *inbuf, unsigned long const inlen)
-   { return Add((unsigned char *)inbuf, inlen); };
+   virtual bool Add(const unsigned char *inbuf, unsigned long long inlen) = 0;
+   inline bool Add(const char *inbuf, unsigned long long const inlen)
+   { return Add((const unsigned char *)inbuf, inlen); }
 
    inline bool Add(const unsigned char *Data)
-   { return Add(Data, strlen((const char *)Data)); };
+   { return Add(Data, strlen((const char *)Data)); }
    inline bool Add(const char *Data)
-   { return Add((const unsigned char *)Data, strlen((const char *)Data)); };
+   { return Add((const unsigned char *)Data, strlen(Data)); }
 
    inline bool Add(const unsigned char *Beg, const unsigned char *End)
-   { return Add(Beg, End - Beg); };
+   { return Add(Beg, End - Beg); }
    inline bool Add(const char *Beg, const char *End)
-   { return Add((const unsigned char *)Beg, End - Beg); };
+   { return Add((const unsigned char *)Beg, End - Beg); }
 
-   bool AddFD(int Fd, unsigned long Size = 0);
+   bool AddFD(int Fd, unsigned long long Size = 0);
+   bool AddFD(FileFd &Fd, unsigned long long Size = 0);
 };
 
 #endif