X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/c9807169492a1f5674fafc0af29eb37a9bbb26b3..f17ac0977167d1e58316d3b3f7159f65d40a090a:/apt-pkg/pkgcache.cc?ds=sidebyside

diff --git a/apt-pkg/pkgcache.cc b/apt-pkg/pkgcache.cc
index 06cad4b16..017c4accb 100644
--- a/apt-pkg/pkgcache.cc
+++ b/apt-pkg/pkgcache.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
-// $Id: pkgcache.cc,v 1.18 1998/11/27 00:07:24 jgg Exp $
+// $Id: pkgcache.cc,v 1.23 1999/02/23 06:46:24 jgg Exp $
 /* ######################################################################
    
    Package Cache - Accessor code for the cache
@@ -44,7 +44,7 @@ pkgCache::Header::Header()
    /* Whenever the structures change the major version should be bumped,
       whenever the generator changes the minor version should be bumped. */
    MajorVersion = 2;
-   MinorVersion = 2;
+   MinorVersion = 3;
    Dirty = true;
    
    HeaderSz = sizeof(pkgCache::Header);
@@ -59,6 +59,8 @@ pkgCache::Header::Header()
    VersionCount = 0;
    DependsCount = 0;
    PackageFileCount = 0;
+   VerFileCount = 0;
+   ProvidesCount = 0;
    MaxVerFileSize = 0;
    
    FileList = 0;
@@ -130,23 +132,20 @@ bool pkgCache::ReMap()
 /* This is used to generate the hash entries for the HashTable. With my
    package list from bo this function gets 94% table usage on a 512 item
    table (480 used items) */
-unsigned long pkgCache::sHash(string Str)
+unsigned long pkgCache::sHash(string Str) const
 {
    unsigned long Hash = 0;
    for (const char *I = Str.begin(); I != Str.end(); I++)
-      Hash += *I * ((Str.end() - I + 1));
-   Header H;
-   return Hash % _count(H.HashTable);
+      Hash = 5*Hash + *I;
+   return Hash % _count(HeaderP->HashTable);
 }
 
-unsigned long pkgCache::sHash(const char *Str)
+unsigned long pkgCache::sHash(const char *Str) const
 {
    unsigned long Hash = 0;
-   const char *End = Str + strlen(Str);
-   for (const char *I = Str; I != End; I++)
-      Hash += *I * ((End - I + 1));
-   Header H;
-   return Hash % _count(H.HashTable);
+   for (const char *I = Str; *I != 0; I++)
+      Hash = 5*Hash + *I;
+   return Hash % _count(HeaderP->HashTable);
 }
 
 									/*}}}*/
@@ -159,8 +158,10 @@ pkgCache::PkgIterator pkgCache::FindPkg(string Name)
    Package *Pkg = PkgP + HeaderP->HashTable[Hash(Name)];
    for (; Pkg != PkgP; Pkg = PkgP + Pkg->NextPackage)
    {
-      if (Pkg->Name != 0 && StrP + Pkg->Name == Name)
+      if (Pkg->Name != 0 && StrP[Pkg->Name] == Name[0] &&
+	  StrP + Pkg->Name == Name)
 	 return PkgIterator(*this,Pkg);
+//      cout << "b" << flush;
    }
    return PkgIterator(*this,0);
 }
@@ -379,9 +380,10 @@ void pkgCache::DepIterator::GlobOr(DepIterator &Start,DepIterator &End)
    // Compute a single dependency element (glob or)
    Start = *this;
    End = *this;
-   for (bool LastOR = true; end() == false && LastOR == true; (*this)++)
+   for (bool LastOR = true; end() == false && LastOR == true;)
    {
       LastOR = (Dep->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or;
+      (*this)++;
       if (LastOR == true)
 	 End = (*this);
    }
@@ -434,6 +436,36 @@ const char *pkgCache::VerIterator::PriorityType()
    return "";
 }
 									/*}}}*/
+// VerIterator::Automatic - Check if this version is 'automatic'	/*{{{*/
+// ---------------------------------------------------------------------
+/* This checks to see if any of the versions files are not NotAutomatic. 
+   True if this version is selectable for automatic installation. */
+bool pkgCache::VerIterator::Automatic() const
+{
+   VerFileIterator Files = FileList();
+   for (; Files.end() == false; Files++)
+      if ((Files.File()->Flags & pkgCache::Flag::NotAutomatic) != pkgCache::Flag::NotAutomatic)
+	 return true;
+   return false;
+}
+									/*}}}*/
+// VerIterator::NewestFile - Return the newest file version relation	/*{{{*/
+// ---------------------------------------------------------------------
+/* This looks at the version numbers associated with all of the sources
+   this version is in and returns the highest.*/
+pkgCache::VerFileIterator pkgCache::VerIterator::NewestFile() const
+{
+   VerFileIterator Files = FileList();
+   VerFileIterator Highest = Files;
+   for (; Files.end() == false; Files++)
+   {
+      if (pkgVersionCompare(Files.File().Version(),Highest.File().Version()) > 0)
+	 Highest = Files;
+   }
+   
+   return Highest;
+}
+									/*}}}*/
 // PkgFileIterator::IsOk - Checks if the cache is in sync with the file	/*{{{*/
 // ---------------------------------------------------------------------
 /* This stats the file and compares its stats with the ones that were