* merged with apts mainline

5 files changed, 54 insertions, 80 deletions

diff --git a/apt-pkg/deb/debversion.cc b/apt-pkg/deb/debversion.cc
index aeee61929..064d8fa5b 100644
--- a/apt-pkg/deb/debversion.cc
+++ b/apt-pkg/deb/debversion.cc
@@ -59,7 +59,7 @@ int debVersioningSystem::CmpFragment(const char *A,const char *AEnd,
    }
 
    /* Iterate over the whole string
-      What this does is to spilt the whole string into groups of
+      What this does is to split the whole string into groups of
       numeric and non numeric portions. For instance:
          a67bhgs89
       Has 4 portions 'a', '67', 'bhgs', '89'. A more normal:
@@ -140,6 +140,27 @@ int debVersioningSystem::DoCmpVersion(const char *A,const char *AEnd,
    if (rhs == BEnd)
       rhs = B;
    
+   // Special case: a zero epoch is the same as no epoch,
+   // so remove it.
+   if (lhs != A)
+   {
+      for (; *A == '0'; ++A);
+      if (A == lhs)
+      {
+	 ++A;
+	 ++lhs;
+      }
+   }
+   if (rhs != B)
+   {
+      for (; *B == '0'; ++B);
+      if (B == rhs)
+      {
+	 ++B;
+	 ++rhs;
+      }
+   }
+
    // Compare the epoch
    int Res = CmpFragment(A,lhs,B,rhs);
    if (Res != 0)
diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
index 3b7b2238a..667db8ff2 100644
--- a/apt-pkg/deb/dpkgpm.cc
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -623,8 +623,8 @@ bool pkgDPkgPM::Go(int OutStatusFd)
 	    'status: conffile-prompt: conffile : 'current-conffile' 'new-conffile' useredited distedited
 	    
 	 */
-	 char* list[4];
-	 TokSplitString(':', line, list, 5);
+	 char* list[5];
+	 TokSplitString(':', line, list, sizeof(list)/sizeof(list[0]));
 	 char *pkg = list[1];
 	 char *action = _strstrip(list[2]);
 
diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc
index dd1c794c9..58d1d25e5 100644
--- a/apt-pkg/depcache.cc
+++ b/apt-pkg/depcache.cc
@@ -16,7 +16,8 @@
 #include <apt-pkg/error.h>
 #include <apt-pkg/sptr.h>
 #include <apt-pkg/algorithms.h>
-    
+#include <apt-pkg/configuration.h>
+
 #include <apti18n.h>    
 									/*}}}*/
 
@@ -712,6 +713,10 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
 	 
 	 if (InstPkg.end() == false)
 	 {
+	    if(_config->FindB("Debug::pkgDepCache::AutoInstall",false) == true)
+	       std::clog << "Installing " << InstPkg.Name() 
+			 << " as dep of " << Pkg.Name() 
+			 << std::endl;
 	    MarkInstall(InstPkg,true,Depth + 1);
 
 	    // Set the autoflag, after MarkInstall because MarkInstall unsets it
diff --git a/apt-pkg/tagfile.cc b/apt-pkg/tagfile.cc
index cae0fa819..79ff18de4 100644
--- a/apt-pkg/tagfile.cc
+++ b/apt-pkg/tagfile.cc
@@ -35,20 +35,20 @@ pkgTagFile::pkgTagFile(FileFd *pFd,unsigned long Size) :
      Fd(*pFd),
      Size(Size)
 {
-   if (Fd.IsOpen() == false)
+   if (Fd.IsOpen() == false || Fd.Size() == 0)
    {
       Buffer = 0;
       Start = End = Buffer = 0;
-      Done = true;
       iOffset = 0;
+      Map = NULL;
       return;
    }
    
-   Buffer = new char[Size];
-   Start = End = Buffer;
-   Done = false;
+   Map = new MMap (Fd, MMap::Public | MMap::ReadOnly);
+   Buffer = (char *) Map->Data ();
+   Start = Buffer;
+   End = Buffer + Map->Size ();
    iOffset = 0;
-   Fill();
 }
 									/*}}}*/
 // TagFile::~pkgTagFile - Destructor					/*{{{*/
@@ -56,7 +56,7 @@ pkgTagFile::pkgTagFile(FileFd *pFd,unsigned long Size) :
 /* */
 pkgTagFile::~pkgTagFile()
 {
-   delete [] Buffer;
+   delete Map;
 }
 									/*}}}*/
 // TagFile::Step - Advance to the next section				/*{{{*/
@@ -64,14 +64,13 @@ pkgTagFile::~pkgTagFile()
 /* If the Section Scanner fails we refill the buffer and try again. */
 bool pkgTagFile::Step(pkgTagSection &Tag)
 {
+   if (Start == End)
+      return false;
+
    if (Tag.Scan(Start,End - Start) == false)
    {
-      if (Fill() == false)
-	 return false;
-      
-      if (Tag.Scan(Start,End - Start) == false)
-	 return _error->Error(_("Unable to parse package file %s (1)"),
-			      Fd.Name().c_str());
+      return _error->Error(_("Unable to parse package file %s (1)"),
+	      Fd.Name().c_str());
    }
    Start += Tag.size();
    iOffset += Tag.size();
@@ -80,50 +79,6 @@ bool pkgTagFile::Step(pkgTagSection &Tag)
    return true;
 }
 									/*}}}*/
-// TagFile::Fill - Top up the buffer					/*{{{*/
-// ---------------------------------------------------------------------
-/* This takes the bit at the end of the buffer and puts it at the start
-   then fills the rest from the file */
-bool pkgTagFile::Fill()
-{
-   unsigned long EndSize = End - Start;
-   unsigned long Actual = 0;
-   
-   memmove(Buffer,Start,EndSize);
-   Start = Buffer;
-   End = Buffer + EndSize;
-   
-   if (Done == false)
-   {
-      // See if only a bit of the file is left
-      if (Fd.Read(End,Size - (End - Buffer),&Actual) == false)
-	 return false;
-      if (Actual != Size - (End - Buffer))
-	 Done = true;
-      End += Actual;
-   }
-   
-   if (Done == true)
-   {
-      if (EndSize <= 3 && Actual == 0)
-	 return false;
-      if (Size - (End - Buffer) < 4)
-	 return true;
-      
-      // Append a double new line if one does not exist
-      unsigned int LineCount = 0;
-      for (const char *E = End - 1; E - End < 6 && (*E == '\n' || *E == '\r'); E--)
-	 if (*E == '\n')
-	    LineCount++;
-      for (; LineCount < 2; LineCount++)
-	 *End++ = '\n';
-      
-      return true;
-   }
-   
-   return true;
-}
-									/*}}}*/
 // TagFile::Jump - Jump to a pre-recorded location in the file		/*{{{*/
 // ---------------------------------------------------------------------
 /* This jumps to a pre-recorded file location and reads the record
@@ -141,22 +96,10 @@ bool pkgTagFile::Jump(pkgTagSection &Tag,unsigned long Offset)
 
    // Reposition and reload..
    iOffset = Offset;
-   Done = false;
-   if (Fd.Seek(Offset) == false)
-      return false;
-   End = Start = Buffer;
-   
-   if (Fill() == false)
-      return false;
-
-   if (Tag.Scan(Start,End - Start) == true)
-      return true;
-   
-   // This appends a double new line (for the real eof handling)
-   if (Fill() == false)
-      return false;
+   Start = Buffer + iOffset;
    
-   if (Tag.Scan(Start,End - Start) == false)
+   // Start != End is a special case to not fail on empty TagFiles
+   if (Start != End && Tag.Scan(Start,End - Start) == false)
       return _error->Error(_("Unable to parse package file %s (2)"),Fd.Name().c_str());
    
    return true;
@@ -181,7 +124,7 @@ bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength)
    Stop = Section = Start;
    memset(AlphaIndexes,0,sizeof(AlphaIndexes));
 
-   if (Stop == 0)
+   if (Stop == 0 || MaxLength == 0)
       return false;
    
    TagCount = 0;
@@ -212,6 +155,12 @@ bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength)
       Stop++;
    }
 
+   if ((Stop+1 >= End) && (End[-1] == '\n' || End[-1] == '\r'))
+   {
+       Indexes[TagCount] = (End - 1) - Section;
+       return true;
+   }
+
    return false;
 }
 									/*}}}*/
diff --git a/apt-pkg/tagfile.h b/apt-pkg/tagfile.h
index 8c948754d..5cff2681c 100644
--- a/apt-pkg/tagfile.h
+++ b/apt-pkg/tagfile.h
@@ -25,6 +25,7 @@
 #endif 
 
 #include <apt-pkg/fileutl.h>
+#include <apt-pkg/mmap.h>
 #include <stdio.h>
     
 class pkgTagSection
@@ -69,15 +70,13 @@ class pkgTagSection
 class pkgTagFile
 {
    FileFd &Fd;
+   MMap *Map;
    char *Buffer;
    char *Start;
    char *End;
-   bool Done;
    unsigned long iOffset;
    unsigned long Size;
    
-   bool Fill();
-   
    public:
 
    bool Step(pkgTagSection &Section);