// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: pkgcache.cc,v 1.34 2001/04/29 05:13:51 jgg Exp $
+// $Id: pkgcache.cc,v 1.37 2003/02/10 01:40:58 doogie Exp $
/* ######################################################################
Package Cache - Accessor code for the cache
#include <sys/stat.h>
#include <unistd.h>
+#include <ctype.h>
#include <system.h>
-
/*}}}*/
+using std::string;
+
// Cache::Header::Header - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* Simply initialize the 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);
// 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;
}
/*}}}*/
/* 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);
}
// 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);