warning: cast from type A to type B casts away qualifiers [-Wcast-qual]

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

diff --git a/apt-pkg/contrib/hashes.h b/apt-pkg/contrib/hashes.h
index 0c0b6c6a725869844cde0f73d196e47cb6985d4d..636cad257dbb31468eb0e4b0ed1f24c596b6d7ef 100644 (file)
--- a/apt-pkg/contrib/hashes.h
+++ b/apt-pkg/contrib/hashes.h
@@ -36,7 +36,10 @@ class HashString
  protected:
    std::string Type;
    std::string Hash;
-   static const char * _SupportedHashes[10];
+   static const char* _SupportedHashes[10];
+
+   // internal helper
+   std::string GetHashForFile(std::string filename) const;
 
  public:
    HashString(std::string Type, std::string Hash);
@@ -49,6 +52,10 @@ class HashString
    // verify the given filename against the currently loaded hash
    bool VerifyFile(std::string filename) const;
 
+   // generate a hash string from the given filename
+   bool FromFile(std::string filename);
+
+
    // helper
    std::string toStr() const;                    // convert to str as "type:hash"
    bool empty() const;
@@ -70,7 +77,7 @@ class Hashes
    {
       return MD5.Add(Data,Size) && SHA1.Add(Data,Size) && SHA256.Add(Data,Size) && SHA512.Add(Data,Size);
    };
-   inline bool Add(const char *Data) {return Add((unsigned char *)Data,strlen(Data));};
+   inline bool Add(const char *Data) {return Add((unsigned char const *)Data,strlen(Data));};
    inline bool AddFD(int const Fd,unsigned long long Size = 0)
    { return AddFD(Fd, Size, true, true, true, true); };
    bool AddFD(int const Fd, unsigned long long Size, bool const addMD5,