merge with debian/sid

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

diff --git a/apt-pkg/contrib/mmap.h b/apt-pkg/contrib/mmap.h
index cd2b15ba24bc60e480dc577e17c9641d04acefdb..e0ff8db95049f494299a5a835c1caba9cd9463cc 100644 (file)
--- a/apt-pkg/contrib/mmap.h
+++ b/apt-pkg/contrib/mmap.h
@@ -41,9 +41,14 @@ class MMap
    protected:
    
    unsigned long Flags;
-   unsigned long iSize;
+   unsigned long long iSize;
    void *Base;
 
+   // In case mmap can not be used, we keep a dup of the file
+   // descriptor that should have been mmaped so that we can write to
+   // the file in Sync().
+   FileFd *SyncToFd;
+
    bool Map(FileFd &Fd);
    bool Close(bool DoSync = true);
    
@@ -55,7 +60,9 @@ class MMap
    // Simple accessors
    inline operator void *() {return Base;};
    inline void *Data() {return Base;}; 
-   inline unsigned long Size() {return iSize;};
+   inline unsigned long long Size() {return iSize;};
+   inline void AddSize(unsigned long long const size) {iSize += size;};
+   inline bool validData() const { return Base != (void *)-1 && Base != 0; };
    
    // File manipulators
    bool Sync();
@@ -92,7 +99,7 @@ class DynamicMMap : public MMap
    public:
 
    // Allocation
-   unsigned long RawAllocate(unsigned long Size,unsigned long Aln = 0);
+   unsigned long RawAllocate(unsigned long long Size,unsigned long Aln = 0);
    unsigned long Allocate(unsigned long ItemSize);
    unsigned long WriteString(const char *String,unsigned long Len = (unsigned long)-1);
    inline unsigned long WriteString(const string &S) {return WriteString(S.c_str(),S.length());};