diff options
Diffstat (limited to 'apt-pkg/pkgcache.cc')
-rw-r--r-- | apt-pkg/pkgcache.cc | 81 |
1 files changed, 39 insertions, 42 deletions
diff --git a/apt-pkg/pkgcache.cc b/apt-pkg/pkgcache.cc index a7b75dae8..864ae0f60 100644 --- a/apt-pkg/pkgcache.cc +++ b/apt-pkg/pkgcache.cc @@ -54,12 +54,8 @@ pkgCache::Header::Header() /* Whenever the structures change the major version should be bumped, whenever the generator changes the minor version should be bumped. */ - MajorVersion = 8; -#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13) - MinorVersion = 2; -#else - MinorVersion = 1; -#endif + MajorVersion = 10; + MinorVersion = 0; Dirty = false; HeaderSz = sizeof(pkgCache::Header); @@ -86,11 +82,13 @@ pkgCache::Header::Header() MaxDescFileSize = 0; FileList = 0; - StringList = 0; +#if APT_PKG_ABI < 413 + APT_IGNORE_DEPRECATED(StringList = 0;) +#endif VerSysName = 0; Architecture = 0; - memset(PkgHashTable,0,sizeof(PkgHashTable)); - memset(GrpHashTable,0,sizeof(GrpHashTable)); + SetArchitectures(0); + SetHashTableSize(_config->FindI("APT::Cache-HashTableSize", 10 * 1048)); memset(Pools,0,sizeof(Pools)); CacheFileSize = 0; @@ -119,6 +117,7 @@ bool pkgCache::Header::CheckSizes(Header &Against) const // Cache::pkgCache - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ +APT_IGNORE_DEPRECATED_PUSH pkgCache::pkgCache(MMap *Map, bool DoMap) : Map(*Map) { // call getArchitectures() with cached=false to ensure that the @@ -128,6 +127,7 @@ pkgCache::pkgCache(MMap *Map, bool DoMap) : Map(*Map) if (DoMap == true) ReMap(); } +APT_IGNORE_DEPRECATED_POP /*}}}*/ // Cache::ReMap - Reopen the cache file /*{{{*/ // --------------------------------------------------------------------- @@ -145,7 +145,6 @@ bool pkgCache::ReMap(bool const &Errorchecks) DescP = (Description *)Map.Data(); ProvideP = (Provides *)Map.Data(); DepP = (Dependency *)Map.Data(); - StringItemP = (StringItem *)Map.Data(); StrP = (char *)Map.Data(); if (Errorchecks == false) @@ -168,15 +167,23 @@ bool pkgCache::ReMap(bool const &Errorchecks) if (Map.Size() < HeaderP->CacheFileSize) return _error->Error(_("The package cache file is corrupted, it is too small")); + if (HeaderP->VerSysName == 0 || HeaderP->Architecture == 0 || HeaderP->GetArchitectures() == 0) + return _error->Error(_("The package cache file is corrupted")); + // Locate our VS.. - if (HeaderP->VerSysName == 0 || - (VS = pkgVersioningSystem::GetVS(StrP + HeaderP->VerSysName)) == 0) + if ((VS = pkgVersioningSystem::GetVS(StrP + HeaderP->VerSysName)) == 0) 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 built for a different architecture")); + // Check the architecture + std::vector<std::string> archs = APT::Configuration::getArchitectures(); + std::vector<std::string>::const_iterator a = archs.begin(); + std::string list = *a; + for (++a; a != archs.end(); ++a) + list.append(",").append(*a); + if (_config->Find("APT::Architecture") != StrP + HeaderP->Architecture || + list != StrP + HeaderP->GetArchitectures()) + return _error->Error(_("The package cache was built for different architectures: %s vs %s"), StrP + HeaderP->GetArchitectures(), list.c_str()); + return true; } /*}}}*/ @@ -185,20 +192,20 @@ bool pkgCache::ReMap(bool const &Errorchecks) /* 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(const string &Str) const +map_id_t pkgCache::sHash(const string &Str) const { unsigned long Hash = 0; for (string::const_iterator I = Str.begin(); I != Str.end(); ++I) Hash = 41 * Hash + tolower_ascii(*I); - return Hash % _count(HeaderP->PkgHashTable); + return Hash % HeaderP->GetHashTableSize(); } -unsigned long pkgCache::sHash(const char *Str) const +map_id_t pkgCache::sHash(const char *Str) const { unsigned long Hash = tolower_ascii(*Str); for (const char *I = Str + 1; *I != 0; ++I) Hash = 41 * Hash + tolower_ascii(*I); - return Hash % _count(HeaderP->PkgHashTable); + return Hash % HeaderP->GetHashTableSize(); } /*}}}*/ // Cache::SingleArchFindPkg - Locate a package by name /*{{{*/ @@ -209,13 +216,10 @@ unsigned long pkgCache::sHash(const char *Str) const pkgCache::PkgIterator pkgCache::SingleArchFindPkg(const string &Name) { // Look at the hash bucket - Package *Pkg = PkgP + HeaderP->PkgHashTable[Hash(Name)]; + Package *Pkg = PkgP + HeaderP->PkgHashTableP()[Hash(Name)]; for (; Pkg != PkgP; Pkg = PkgP + Pkg->NextPackage) { - if (unlikely(Pkg->Name == 0)) - continue; - - int const cmp = strcasecmp(Name.c_str(), StrP + Pkg->Name); + int const cmp = strcmp(Name.c_str(), StrP + (GrpP + Pkg->Group)->Name); if (cmp == 0) return PkgIterator(*this, Pkg); else if (cmp < 0) @@ -262,12 +266,9 @@ pkgCache::GrpIterator pkgCache::FindGrp(const string &Name) { return GrpIterator(*this,0); // Look at the hash bucket for the group - Group *Grp = GrpP + HeaderP->GrpHashTable[sHash(Name)]; + Group *Grp = GrpP + HeaderP->GrpHashTableP()[sHash(Name)]; for (; Grp != GrpP; Grp = GrpP + Grp->Next) { - if (unlikely(Grp->Name == 0)) - continue; - - int const cmp = strcasecmp(Name.c_str(), StrP + Grp->Name); + int const cmp = strcmp(Name.c_str(), StrP + Grp->Name); if (cmp == 0) return GrpIterator(*this, Grp); else if (cmp < 0) @@ -344,19 +345,15 @@ pkgCache::PkgIterator pkgCache::GrpIterator::FindPkg(string Arch) const { last one we check, so we do it now. */ if (Arch == "native" || Arch == myArch || Arch == "all") { pkgCache::Package *Pkg = Owner->PkgP + S->LastPackage; - if (strcasecmp(myArch, Owner->StrP + Pkg->Arch) == 0) + if (strcmp(myArch, Owner->StrP + Pkg->Arch) == 0) return PkgIterator(*Owner, Pkg); Arch = myArch; } - /* Iterate over the list to find the matching arch - unfortunately this list includes "package noise" - (= different packages with same calculated hash), - so we need to check the name also */ + // Iterate over the list to find the matching arch for (pkgCache::Package *Pkg = PackageList(); Pkg != Owner->PkgP; Pkg = Owner->PkgP + Pkg->NextPackage) { - if (S->Name == Pkg->Name && - stringcasecmp(Arch, Owner->StrP + Pkg->Arch) == 0) + if (stringcmp(Arch, Owner->StrP + Pkg->Arch) == 0) return PkgIterator(*Owner, Pkg); if ((Owner->PkgP + S->LastPackage) == Pkg) break; @@ -416,10 +413,10 @@ void pkgCache::GrpIterator::operator ++(int) S = Owner->GrpP + S->Next; // Follow the hash table - while (S == Owner->GrpP && (HashIndex+1) < (signed)_count(Owner->HeaderP->GrpHashTable)) + while (S == Owner->GrpP && (HashIndex+1) < (signed)Owner->HeaderP->GetHashTableSize()) { HashIndex++; - S = Owner->GrpP + Owner->HeaderP->GrpHashTable[HashIndex]; + S = Owner->GrpP + Owner->HeaderP->GrpHashTableP()[HashIndex]; } } /*}}}*/ @@ -433,10 +430,10 @@ void pkgCache::PkgIterator::operator ++(int) S = Owner->PkgP + S->NextPackage; // Follow the hash table - while (S == Owner->PkgP && (HashIndex+1) < (signed)_count(Owner->HeaderP->PkgHashTable)) + while (S == Owner->PkgP && (HashIndex+1) < (signed)Owner->HeaderP->GetHashTableSize()) { HashIndex++; - S = Owner->PkgP + Owner->HeaderP->PkgHashTable[HashIndex]; + S = Owner->PkgP + Owner->HeaderP->PkgHashTableP()[HashIndex]; } } /*}}}*/ @@ -1022,7 +1019,7 @@ bool pkgCache::PrvIterator::IsMultiArchImplicit() const { pkgCache::PkgIterator const Owner = OwnerPkg(); pkgCache::PkgIterator const Parent = ParentPkg(); - if (strcmp(Owner.Arch(), Parent.Arch()) != 0 || Owner->Name == Parent->Name) + if (strcmp(Owner.Arch(), Parent.Arch()) != 0 || Owner.Group()->Name == Parent.Group()->Name) return true; return false; } |