use references instead of copies in the Cache generation methods

2 files changed, 15 insertions, 15 deletions

diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
index 24df57a5c..2cfeb23e9 100644
--- a/apt-pkg/deb/deblistparser.cc
+++ b/apt-pkg/deb/deblistparser.cc
@@ -106,7 +106,7 @@ string debListParser::Version()
 // ListParser::NewVersion - Fill in the version structure		/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool debListParser::NewVersion(pkgCache::VerIterator Ver)
+bool debListParser::NewVersion(pkgCache::VerIterator &Ver)
 {
    // Parse the section
    Ver->Section = UniqFindTagWrite("Section");
@@ -251,8 +251,8 @@ MD5SumValue debListParser::Description_md5()
 // ---------------------------------------------------------------------
 /* This is called to update the package with any new information 
    that might be found in the section */
-bool debListParser::UsePackage(pkgCache::PkgIterator Pkg,
-			       pkgCache::VerIterator Ver)
+bool debListParser::UsePackage(pkgCache::PkgIterator &Pkg,
+			       pkgCache::VerIterator &Ver)
 {
    if (Pkg->Section == 0)
       Pkg->Section = UniqFindTagWrite("Section");
@@ -332,8 +332,8 @@ unsigned short debListParser::VersionHash()
    Some of the above are obsolete (I think?) flag = hold-* and 
    status = post-inst-failed, removal-failed at least.
  */
-bool debListParser::ParseStatus(pkgCache::PkgIterator Pkg,
-				pkgCache::VerIterator Ver)
+bool debListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
+				pkgCache::VerIterator &Ver)
 {
    const char *Start;
    const char *Stop;
@@ -634,7 +634,7 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop,
 // ---------------------------------------------------------------------
 /* This is the higher level depends parser. It takes a tag and generates
    a complete depends tree for the given version. */
-bool debListParser::ParseDepends(pkgCache::VerIterator Ver,
+bool debListParser::ParseDepends(pkgCache::VerIterator &Ver,
 				 const char *Tag,unsigned int Type)
 {
    const char *Start;
@@ -674,7 +674,7 @@ bool debListParser::ParseDepends(pkgCache::VerIterator Ver,
 // ListParser::ParseProvides - Parse the provides list			/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool debListParser::ParseProvides(pkgCache::VerIterator Ver)
+bool debListParser::ParseProvides(pkgCache::VerIterator &Ver)
 {
    const char *Start;
    const char *Stop;
@@ -779,7 +779,7 @@ bool debListParser::Step()
 // ListParser::LoadReleaseInfo - Load the release information		/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator FileI,
+bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,
 				    FileFd &File, string component)
 {
    pkgTagFile Tags(&File, File.Size() + 256); // XXX
diff --git a/apt-pkg/deb/deblistparser.h b/apt-pkg/deb/deblistparser.h
index 6c81d9fa0..4bc1bd93c 100644
--- a/apt-pkg/deb/deblistparser.h
+++ b/apt-pkg/deb/deblistparser.h
@@ -36,10 +36,10 @@ class debListParser : public pkgCacheGenerator::ListParser
    bool MultiArchEnabled;
 
    unsigned long UniqFindTagWrite(const char *Tag);
-   bool ParseStatus(pkgCache::PkgIterator Pkg,pkgCache::VerIterator Ver);
-   bool ParseDepends(pkgCache::VerIterator Ver,const char *Tag,
+   bool ParseStatus(pkgCache::PkgIterator &Pkg,pkgCache::VerIterator &Ver);
+   bool ParseDepends(pkgCache::VerIterator &Ver,const char *Tag,
 		     unsigned int Type);
-   bool ParseProvides(pkgCache::VerIterator Ver);
+   bool ParseProvides(pkgCache::VerIterator &Ver);
    static bool GrabWord(string Word,WordList *List,unsigned char &Out);
    
    public:
@@ -51,19 +51,19 @@ class debListParser : public pkgCacheGenerator::ListParser
    virtual string Architecture();
    virtual bool ArchitectureAll();
    virtual string Version();
-   virtual bool NewVersion(pkgCache::VerIterator Ver);
+   virtual bool NewVersion(pkgCache::VerIterator &Ver);
    virtual string Description();
    virtual string DescriptionLanguage();
    virtual MD5SumValue Description_md5();
    virtual unsigned short VersionHash();
-   virtual bool UsePackage(pkgCache::PkgIterator Pkg,
-			   pkgCache::VerIterator Ver);
+   virtual bool UsePackage(pkgCache::PkgIterator &Pkg,
+			   pkgCache::VerIterator &Ver);
    virtual unsigned long Offset() {return iOffset;};
    virtual unsigned long Size() {return Section.size();};
 
    virtual bool Step();
    
-   bool LoadReleaseInfo(pkgCache::PkgFileIterator FileI,FileFd &File,
+   bool LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,FileFd &File,
 			string section);
    
    static const char *ParseDepends(const char *Start,const char *Stop,