* merged changes from Kamions upload (thanks!)

[apt.git] / apt-pkg / pkgcache.cc

diff --git a/apt-pkg/pkgcache.cc b/apt-pkg/pkgcache.cc
index aa3e8565eb40285fa123ba2ed3d4e7c27b3e4ed4..9926befe93f56c61974442ce5e7386aef44fcaa3 100644 (file)
--- a/apt-pkg/pkgcache.cc
+++ b/apt-pkg/pkgcache.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: pkgcache.cc,v 1.32 2001/02/20 07:03:17 jgg Exp $
+// $Id: pkgcache.cc,v 1.37 2003/02/10 01:40:58 doogie Exp $
 /* ######################################################################
    
    Package Cache - Accessor code for the cache
@@ -37,10 +37,12 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
+#include <ctype.h>
 #include <system.h>
-
                                                                        /*}}}*/
 
+using std::string;
+
 // Cache::Header::Header - Constructor                                 /*{{{*/
 // ---------------------------------------------------------------------
 /* Simply initialize the header */
@@ -50,8 +52,8 @@ pkgCache::Header::Header()
    
    /* Whenever the structures change the major version should be bumped,
       whenever the generator changes the minor version should be bumped. */
-   MajorVersion = 3;
-   MinorVersion = 5;
+   MajorVersion = 4;
+   MinorVersion = 0;
    Dirty = false;
    
    HeaderSz = sizeof(pkgCache::Header);
@@ -137,12 +139,12 @@ bool pkgCache::ReMap()
    // Locate our VS..
    if (HeaderP->VerSysName == 0 ||
        (VS = pkgVersioningSystem::GetVS(StrP + HeaderP->VerSysName)) == 0)
-      return _error->Error(_("This APT does not support the Versioning System '%s'"),StrP + HeaderP->VerSysName);
+      return _error->Error(_("This APT does not support the versioning system '%s'"),StrP + HeaderP->VerSysName);
 
    // Chcek the arhcitecture
    if (HeaderP->Architecture == 0 ||
        _config->Find("APT::Architecture") != StrP + HeaderP->Architecture)
-      return _error->Error(_("The package cache was build for a different architecture"));
+      return _error->Error(_("The package cache was built for a different architecture"));
    return true;
 }
                                                                        /*}}}*/
@@ -151,10 +153,10 @@ 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) const
+unsigned long pkgCache::sHash(const string &Str) const
 {
    unsigned long Hash = 0;
-   for (const char *I = Str.begin(); I != Str.end(); I++)
+   for (string::const_iterator I = Str.begin(); I != Str.end(); I++)
       Hash = 5*Hash + tolower(*I);
    return Hash % _count(HeaderP->HashTable);
 }
@@ -171,14 +173,14 @@ unsigned long pkgCache::sHash(const char *Str) const
 // Cache::FindPkg - Locate a package by name                           /*{{{*/
 // ---------------------------------------------------------------------
 /* Returns 0 on error, pointer to the package otherwise */
-pkgCache::PkgIterator pkgCache::FindPkg(string Name)
+pkgCache::PkgIterator pkgCache::FindPkg(const string &Name)
 {
    // Look at the hash bucket
    Package *Pkg = PkgP + HeaderP->HashTable[Hash(Name)];
    for (; Pkg != PkgP; Pkg = PkgP + Pkg->NextPackage)
    {
       if (Pkg->Name != 0 && StrP[Pkg->Name] == Name[0] &&
-         stringcasecmp(Name.begin(),Name.end(),StrP + Pkg->Name) == 0)
+         stringcasecmp(Name,StrP + Pkg->Name) == 0)
         return PkgIterator(*this,Pkg);
    }
    return PkgIterator(*this,0);
@@ -525,7 +527,7 @@ string pkgCache::VerIterator::RelStr()
            Seen = true;
            break;
         }
-        if (File2->Version == 0)
+        if (File2->Version == 0 || File->Version == 0)
            break;
         if (strcmp(File.Version(),File2.Version()) == 0)
            Seen = true;
@@ -578,3 +580,22 @@ bool pkgCache::PkgFileIterator::IsOk()
    return true;
 }
                                                                        /*}}}*/
+// PkgFileIterator::RelStr - Return the release string                 /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+string pkgCache::PkgFileIterator::RelStr()
+{
+   string Res;
+   if (Version() != 0)
+      Res = Res + (Res.empty() == true?"v=":",v=") + Version();
+   if (Origin() != 0)
+      Res = Res + (Res.empty() == true?"o=":",o=")  + Origin();
+   if (Archive() != 0)
+      Res = Res + (Res.empty() == true?"a=":",a=")  + Archive();
+   if (Label() != 0)
+      Res = Res + (Res.empty() == true?"l=":",l=")  + Label();
+   if (Component() != 0)
+      Res = Res + (Res.empty() == true?"c=":",c=")  + Component();
+   return Res;
+}
+                                                                       /*}}}*/