Minor cleanups, fix for checksum lowercase bug

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

diff --git a/apt-pkg/contrib/mmap.h b/apt-pkg/contrib/mmap.h
index b935ac4119f6bb7fb214b759a115d967db01132c..d086e51ab80a144cf9e4685b2e121e0aa11995c4 100644 (file)
--- a/apt-pkg/contrib/mmap.h
+++ b/apt-pkg/contrib/mmap.h
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: mmap.h,v 1.5 1998/07/15 05:56:45 jgg Exp $
+// $Id: mmap.h,v 1.10 1999/07/15 03:15:49 jgg Exp $
 /* ######################################################################
    
    MMap Class - Provides 'real' mmap or a faked mmap using read().
@@ -22,7 +22,6 @@
    
    ##################################################################### */
                                                                        /*}}}*/
-// Header section: pkglib
 #ifndef PKGLIB_MMAP_H
 #define PKGLIB_MMAP_H
 
@@ -33,21 +32,26 @@
 #include <string>
 #include <apt-pkg/fileutl.h>
 
+/* This should be a 32 bit type, larger tyes use too much ram and smaller
+   types are too small. Where ever possible 'unsigned long' should be used
+   instead of this internal type */
+typedef unsigned int map_ptrloc;
+
 class MMap
 {
    protected:
    
-   File &Fd;
-   unsigned long Flags;   
+   unsigned long Flags;
    unsigned long iSize;
    void *Base;
 
-   bool Map();
-   bool Close(bool DoClose = true,bool DoSync = true);
+   bool Map(FileFd &Fd);
+   bool Close(bool DoSync = true);
    
    public:
 
-   enum OpenFlags {NoImmMap = (1<<0),Public = (1<<1),ReadOnly = (1<<2)};
+   enum OpenFlags {NoImmMap = (1<<0),Public = (1<<1),ReadOnly = (1<<2),
+                   UnMapped = (1<<3)};
       
    // Simple accessors
    inline operator void *() {return Base;};
@@ -58,7 +62,8 @@ class MMap
    bool Sync();
    bool Sync(unsigned long Start,unsigned long Stop);
    
-   MMap(File &F,unsigned long Flags);
+   MMap(FileFd &F,unsigned long Flags);
+   MMap(unsigned long Flags);
    virtual ~MMap();
 };
 
@@ -76,6 +81,7 @@ class DynamicMMap : public MMap
    
    protected:
    
+   FileFd *Fd;
    unsigned long WorkSpace;
    Pool *Pools;
    unsigned int PoolCount;
@@ -89,7 +95,8 @@ class DynamicMMap : public MMap
    inline unsigned long WriteString(string S) {return WriteString(S.begin(),S.size());};
    void UsePools(Pool &P,unsigned int Count) {Pools = &P; PoolCount = Count;}; 
    
-   DynamicMMap(File &F,unsigned long Flags,unsigned long WorkSpace = 1024*1024);
+   DynamicMMap(FileFd &F,unsigned long Flags,unsigned long WorkSpace = 2*1024*1024);
+   DynamicMMap(unsigned long Flags,unsigned long WorkSpace = 2*1024*1024);
    virtual ~DynamicMMap();
 };