X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/7a223b933cab0447438ca2e964576da39078eaf4..68ba0b7f4e1c03edfb6f621e7e7314ea610af96b:/apt-pkg/pkgcachegen.cc diff --git a/apt-pkg/pkgcachegen.cc b/apt-pkg/pkgcachegen.cc index ac1cea0eb..9e6931fa6 100644 --- a/apt-pkg/pkgcachegen.cc +++ b/apt-pkg/pkgcachegen.cc @@ -57,8 +57,7 @@ pkgCacheGenerator::pkgCacheGenerator(DynamicMMap *pMap,OpProgress *Prog) : FoundFileDeps(0) { CurrentFile = 0; - memset(UniqHash,0,sizeof(UniqHash)); - + if (_error->PendingError() == true) return; @@ -73,13 +72,16 @@ pkgCacheGenerator::pkgCacheGenerator(DynamicMMap *pMap,OpProgress *Prog) : // Starting header *Cache.HeaderP = pkgCache::Header(); - map_ptrloc const idxVerSysName = WriteStringInMap(_system->VS->Label); + + // make room for the hashtables for packages and groups + if (Map.RawAllocate(2 * (Cache.HeaderP->HashTableSize * sizeof(map_pointer_t))) == 0) + return; + + map_stringitem_t const idxVerSysName = WriteStringInMap(_system->VS->Label); if (unlikely(idxVerSysName == 0)) return; Cache.HeaderP->VerSysName = idxVerSysName; - // this pointer is set in ReMap, but we need it now for WriteUniqString - Cache.StringItemP = (pkgCache::StringItem *)Map.Data(); - map_ptrloc const idxArchitecture = WriteUniqString(_config->Find("APT::Architecture")); + map_stringitem_t const idxArchitecture = StoreString(MIXED, _config->Find("APT::Architecture")); if (unlikely(idxArchitecture == 0)) return; Cache.HeaderP->Architecture = idxArchitecture; @@ -91,7 +93,7 @@ pkgCacheGenerator::pkgCacheGenerator(DynamicMMap *pMap,OpProgress *Prog) : std::string list = *a; for (++a; a != archs.end(); ++a) list.append(",").append(*a); - map_ptrloc const idxArchitectures = WriteStringInMap(list); + map_stringitem_t const idxArchitectures = WriteStringInMap(list); if (unlikely(idxArchitectures == 0)) return; Cache.HeaderP->Architectures = idxArchitectures; @@ -110,9 +112,9 @@ pkgCacheGenerator::pkgCacheGenerator(DynamicMMap *pMap,OpProgress *Prog) : { _error->Error(_("Cache has an incompatible versioning system")); return; - } + } } - + Cache.HeaderP->Dirty = true; Map.Sync(0,sizeof(pkgCache::Header)); } @@ -144,10 +146,6 @@ void pkgCacheGenerator::ReMap(void const * const oldMap, void const * const newM CurrentFile += (pkgCache::PackageFile const * const) newMap - (pkgCache::PackageFile const * const) oldMap; - for (size_t i = 0; i < _count(UniqHash); ++i) - if (UniqHash[i] != 0) - UniqHash[i] += (pkgCache::StringItem const * const) newMap - (pkgCache::StringItem const * const) oldMap; - for (std::vector::const_iterator i = Dynamic::toReMap.begin(); i != Dynamic::toReMap.end(); ++i) (*i)->ReMap(oldMap, newMap); @@ -171,27 +169,27 @@ void pkgCacheGenerator::ReMap(void const * const oldMap, void const * const newM (*i)->ReMap(oldMap, newMap); } /*}}}*/ // CacheGenerator::WriteStringInMap /*{{{*/ -map_ptrloc pkgCacheGenerator::WriteStringInMap(const char *String, +map_stringitem_t pkgCacheGenerator::WriteStringInMap(const char *String, const unsigned long &Len) { void const * const oldMap = Map.Data(); - map_ptrloc const index = Map.WriteString(String, Len); + map_stringitem_t const index = Map.WriteString(String, Len); if (index != 0) ReMap(oldMap, Map.Data()); return index; } /*}}}*/ // CacheGenerator::WriteStringInMap /*{{{*/ -map_ptrloc pkgCacheGenerator::WriteStringInMap(const char *String) { +map_stringitem_t pkgCacheGenerator::WriteStringInMap(const char *String) { void const * const oldMap = Map.Data(); - map_ptrloc const index = Map.WriteString(String); + map_stringitem_t const index = Map.WriteString(String); if (index != 0) ReMap(oldMap, Map.Data()); return index; } /*}}}*/ -map_ptrloc pkgCacheGenerator::AllocateInMap(const unsigned long &size) {/*{{{*/ +map_pointer_t pkgCacheGenerator::AllocateInMap(const unsigned long &size) {/*{{{*/ void const * const oldMap = Map.Data(); - map_ptrloc const index = Map.Allocate(size); + map_pointer_t const index = Map.Allocate(size); if (index != 0) ReMap(oldMap, Map.Data()); return index; @@ -271,16 +269,16 @@ bool pkgCacheGenerator::MergeList(ListParser &List, } } - if (Cache.HeaderP->PackageCount >= (1ULL<ID)*8)-1) + if (Cache.HeaderP->PackageCount >= std::numeric_limits::max()) return _error->Error(_("Wow, you exceeded the number of package " "names this APT is capable of.")); - if (Cache.HeaderP->VersionCount >= (1ULL<<(sizeof(Cache.VerP->ID)*8))-1) + if (Cache.HeaderP->VersionCount >= std::numeric_limits::max()) return _error->Error(_("Wow, you exceeded the number of versions " "this APT is capable of.")); - if (Cache.HeaderP->DescriptionCount >= (1ULL<<(sizeof(Cache.DescP->ID)*8))-1) + if (Cache.HeaderP->DescriptionCount >= std::numeric_limits::max()) return _error->Error(_("Wow, you exceeded the number of descriptions " "this APT is capable of.")); - if (Cache.HeaderP->DependsCount >= (1ULL<<(sizeof(Cache.DepP->ID)*8))-1ULL) + if (Cache.HeaderP->DependsCount >= std::numeric_limits::max()) return _error->Error(_("Wow, you exceeded the number of dependencies " "this APT is capable of.")); @@ -331,7 +329,7 @@ bool pkgCacheGenerator::MergeListPackage(ListParser &List, pkgCache::PkgIterator if (VerDesc.end() == true || MD5SumValue(VerDesc.md5()) != CurMd5) continue; - map_ptrloc md5idx = VerDesc->md5sum; + map_stringitem_t md5idx = VerDesc->md5sum; for (std::vector::const_iterator CurLang = availDesc.begin(); CurLang != availDesc.end(); ++CurLang) { // don't add a new description if we have one for the given @@ -355,7 +353,7 @@ bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator { pkgCache::VerIterator Ver = Pkg.VersionList(); Dynamic DynVer(Ver); - map_ptrloc *LastVer = &Pkg->VersionList; + map_pointer_t *LastVer = &Pkg->VersionList; void const * oldMap = Map.Data(); unsigned short const Hash = List.VersionHash(); @@ -364,7 +362,7 @@ bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator /* We know the list is sorted so we use that fact in the search. Insertion of new versions is done with correct sorting */ int Res = 1; - for (; Ver.end() == false; LastVer = &Ver->NextVer, Ver++) + for (; Ver.end() == false; LastVer = &Ver->NextVer, ++Ver) { Res = Cache.VS->CmpVersion(Version,Ver.VerStr()); // Version is higher as current version - insert here @@ -400,13 +398,13 @@ bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator } // Add a new version - map_ptrloc const verindex = NewVersion(Ver, Version, Pkg.Index(), Hash, *LastVer); + map_pointer_t const verindex = NewVersion(Ver, Version, Pkg.Index(), Hash, *LastVer); if (verindex == 0 && _error->PendingError()) return _error->Error(_("Error occurred while processing %s (%s%d)"), Pkg.Name(), "NewVersion", 1); if (oldMap != Map.Data()) - LastVer += (map_ptrloc const * const) Map.Data() - (map_ptrloc const * const) oldMap; + LastVer += (map_pointer_t const * const) Map.Data() - (map_pointer_t const * const) oldMap; *LastVer = verindex; if (unlikely(List.NewVersion(Ver) == false)) @@ -467,7 +465,7 @@ bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator D.ParentPkg().Group() == Grp) continue; - map_ptrloc *OldDepLast = NULL; + map_pointer_t *OldDepLast = NULL; pkgCache::VerIterator ConVersion = D.ParentVer(); Dynamic DynV(ConVersion); // duplicate the Conflicts/Breaks/Replaces for :none arch @@ -509,7 +507,7 @@ bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator } // We haven't found reusable descriptions, so add the first description(s) - map_ptrloc md5idx = Ver->DescriptionList == 0 ? 0 : Ver.DescriptionList()->md5sum; + map_stringitem_t md5idx = Ver->DescriptionList == 0 ? 0 : Ver.DescriptionList()->md5sum; std::vector availDesc = List.AvailableDescriptionLanguages(); for (std::vector::const_iterator CurLang = availDesc.begin(); CurLang != availDesc.end(); ++CurLang) if (AddNewDescription(List, Ver, *CurLang, CurMd5, md5idx) == false) @@ -517,12 +515,12 @@ bool pkgCacheGenerator::MergeListVersion(ListParser &List, pkgCache::PkgIterator return true; } /*}}}*/ -bool pkgCacheGenerator::AddNewDescription(ListParser &List, pkgCache::VerIterator &Ver, std::string const &lang, MD5SumValue const &CurMd5, map_ptrloc &md5idx) /*{{{*/ +bool pkgCacheGenerator::AddNewDescription(ListParser &List, pkgCache::VerIterator &Ver, std::string const &lang, MD5SumValue const &CurMd5, map_stringitem_t &md5idx) /*{{{*/ { pkgCache::DescIterator Desc; Dynamic DynDesc(Desc); - map_ptrloc const descindex = NewDescription(Desc, lang, CurMd5, md5idx); + map_pointer_t const descindex = NewDescription(Desc, lang, CurMd5, md5idx); if (unlikely(descindex == 0 && _error->PendingError())) return _error->Error(_("Error occurred while processing %s (%s%d)"), Ver.ParentPkg().Name(), "NewDescription", 1); @@ -534,7 +532,7 @@ bool pkgCacheGenerator::AddNewDescription(ListParser &List, pkgCache::VerIterato // that to be able to efficiently share these lists pkgCache::DescIterator VerDesc = Ver.DescriptionList(); // old value might be invalid after ReMap for (;VerDesc.end() == false && VerDesc->NextDesc != 0; ++VerDesc); - map_ptrloc * const LastNextDesc = (VerDesc.end() == true) ? &Ver->DescriptionList : &VerDesc->NextDesc; + map_pointer_t * const LastNextDesc = (VerDesc.end() == true) ? &Ver->DescriptionList : &VerDesc->NextDesc; *LastNextDesc = descindex; if (NewFileDesc(Desc,List) == false) @@ -606,19 +604,19 @@ bool pkgCacheGenerator::NewGroup(pkgCache::GrpIterator &Grp, const string &Name) return true; // Get a structure - map_ptrloc const Group = AllocateInMap(sizeof(pkgCache::Group)); + map_pointer_t const Group = AllocateInMap(sizeof(pkgCache::Group)); if (unlikely(Group == 0)) return false; Grp = pkgCache::GrpIterator(Cache, Cache.GrpP + Group); - map_ptrloc const idxName = WriteStringInMap(Name); + map_stringitem_t const idxName = StoreString(PKGNAME, Name); if (unlikely(idxName == 0)) return false; Grp->Name = idxName; // Insert it into the hash table unsigned long const Hash = Cache.Hash(Name); - map_ptrloc *insertAt = &Cache.HeaderP->GrpHashTable[Hash]; + map_pointer_t *insertAt = &Cache.HeaderP->GrpHashTable()[Hash]; while (*insertAt != 0 && strcasecmp(Name.c_str(), Cache.StrP + (Cache.GrpP + *insertAt)->Name) > 0) insertAt = &(Cache.GrpP + *insertAt)->Next; Grp->Next = *insertAt; @@ -643,7 +641,7 @@ bool pkgCacheGenerator::NewPackage(pkgCache::PkgIterator &Pkg,const string &Name return true; // Get a structure - map_ptrloc const Package = AllocateInMap(sizeof(pkgCache::Package)); + map_pointer_t const Package = AllocateInMap(sizeof(pkgCache::Package)); if (unlikely(Package == 0)) return false; Pkg = pkgCache::PkgIterator(Cache,Cache.PkgP + Package); @@ -653,27 +651,34 @@ bool pkgCacheGenerator::NewPackage(pkgCache::PkgIterator &Pkg,const string &Name { Grp->FirstPackage = Package; // Insert it into the hash table - unsigned long const Hash = Cache.Hash(Name); - map_ptrloc *insertAt = &Cache.HeaderP->PkgHashTable[Hash]; - while (*insertAt != 0 && strcasecmp(Name.c_str(), Cache.StrP + (Cache.PkgP + *insertAt)->Name) > 0) - insertAt = &(Cache.PkgP + *insertAt)->NextPackage; - Pkg->NextPackage = *insertAt; + map_id_t const Hash = Cache.Hash(Name); + map_pointer_t *insertAt = &Cache.HeaderP->PkgHashTable()[Hash]; + while (*insertAt != 0 && strcasecmp(Name.c_str(), Cache.StrP + (Cache.GrpP + (Cache.PkgP + *insertAt)->Group)->Name) > 0) + insertAt = &(Cache.PkgP + *insertAt)->Next; + Pkg->Next = *insertAt; *insertAt = Package; } else // Group the Packages together { // this package is the new last package pkgCache::PkgIterator LastPkg(Cache, Cache.PkgP + Grp->LastPackage); - Pkg->NextPackage = LastPkg->NextPackage; - LastPkg->NextPackage = Package; + Pkg->Next = LastPkg->Next; + LastPkg->Next = Package; } Grp->LastPackage = Package; // Set the name, arch and the ID +#if __GNUC__ >= 4 + #pragma GCC diagnostic push + #pragma GCC diagnostic ignored "-Wdeprecated-declarations" +#endif Pkg->Name = Grp->Name; +#if __GNUC__ >= 4 + #pragma GCC diagnostic pop +#endif Pkg->Group = Grp.Index(); // all is mapped to the native architecture - map_ptrloc const idxArch = (Arch == "all") ? Cache.HeaderP->Architecture : WriteUniqString(Arch.c_str()); + map_stringitem_t const idxArch = (Arch == "all") ? Cache.HeaderP->Architecture : StoreString(MIXED, Arch); if (unlikely(idxArch == 0)) return false; Pkg->Arch = idxArch; @@ -690,14 +695,14 @@ bool pkgCacheGenerator::AddImplicitDepends(pkgCache::GrpIterator &G, // copy P.Arch() into a string here as a cache remap // in NewDepends() later may alter the pointer location string Arch = P.Arch() == NULL ? "" : P.Arch(); - map_ptrloc *OldDepLast = NULL; + map_pointer_t *OldDepLast = NULL; /* MultiArch handling introduces a lot of implicit Dependencies: - MultiArch: same → Co-Installable if they have the same version - All others conflict with all other group members */ bool const coInstall = ((V->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same); pkgCache::PkgIterator D = G.PackageList(); Dynamic DynD(D); - map_ptrloc const VerStrIdx = V->VerStr; + map_stringitem_t const VerStrIdx = V->VerStr; for (; D.end() != true; D = G.NextPkg(D)) { if (Arch == D.Arch() || D->VersionList == 0) @@ -730,11 +735,11 @@ bool pkgCacheGenerator::AddImplicitDepends(pkgCache::VerIterator &V, /* MultiArch handling introduces a lot of implicit Dependencies: - MultiArch: same → Co-Installable if they have the same version - All others conflict with all other group members */ - map_ptrloc *OldDepLast = NULL; + map_pointer_t *OldDepLast = NULL; bool const coInstall = ((V->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same); if (coInstall == true) { - map_ptrloc const VerStrIdx = V->VerStr; + map_stringitem_t const VerStrIdx = V->VerStr; // Replaces: ${self}:other ( << ${binary:Version}) NewDepends(D, V, VerStrIdx, pkgCache::Dep::Less, pkgCache::Dep::Replaces, @@ -763,15 +768,15 @@ bool pkgCacheGenerator::NewFileVer(pkgCache::VerIterator &Ver, return true; // Get a structure - map_ptrloc const VerFile = AllocateInMap(sizeof(pkgCache::VerFile)); + map_pointer_t const VerFile = AllocateInMap(sizeof(pkgCache::VerFile)); if (VerFile == 0) - return 0; + return false; pkgCache::VerFileIterator VF(Cache,Cache.VerFileP + VerFile); VF->File = CurrentFile - Cache.PkgFileP; // Link it to the end of the list - map_ptrloc *Last = &Ver->FileList; + map_pointer_t *Last = &Ver->FileList; for (pkgCache::VerFileIterator V = Ver.FileList(); V.end() == false; ++V) Last = &V->NextFile; VF->NextFile = *Last; @@ -789,14 +794,14 @@ bool pkgCacheGenerator::NewFileVer(pkgCache::VerIterator &Ver, // CacheGenerator::NewVersion - Create a new Version /*{{{*/ // --------------------------------------------------------------------- /* This puts a version structure in the linked list */ -unsigned long pkgCacheGenerator::NewVersion(pkgCache::VerIterator &Ver, +map_pointer_t pkgCacheGenerator::NewVersion(pkgCache::VerIterator &Ver, const string &VerStr, - map_ptrloc const ParentPkg, - unsigned long const Hash, - unsigned long Next) + map_pointer_t const ParentPkg, + unsigned short const Hash, + map_pointer_t const Next) { // Get a structure - map_ptrloc const Version = AllocateInMap(sizeof(pkgCache::Version)); + map_pointer_t const Version = AllocateInMap(sizeof(pkgCache::Version)); if (Version == 0) return 0; @@ -831,7 +836,7 @@ unsigned long pkgCacheGenerator::NewVersion(pkgCache::VerIterator &Ver, } } // haven't found the version string, so create - map_ptrloc const idxVerStr = WriteStringInMap(VerStr); + map_stringitem_t const idxVerStr = StoreString(VERSIONNUMBER, VerStr); if (unlikely(idxVerStr == 0)) return 0; Ver->VerStr = idxVerStr; @@ -848,7 +853,7 @@ bool pkgCacheGenerator::NewFileDesc(pkgCache::DescIterator &Desc, return true; // Get a structure - map_ptrloc const DescFile = AllocateInMap(sizeof(pkgCache::DescFile)); + map_pointer_t const DescFile = AllocateInMap(sizeof(pkgCache::DescFile)); if (DescFile == 0) return false; @@ -856,7 +861,7 @@ bool pkgCacheGenerator::NewFileDesc(pkgCache::DescIterator &Desc, DF->File = CurrentFile - Cache.PkgFileP; // Link it to the end of the list - map_ptrloc *Last = &Desc->FileList; + map_pointer_t *Last = &Desc->FileList; for (pkgCache::DescFileIterator D = Desc.FileList(); D.end() == false; ++D) Last = &D->NextFile; @@ -875,20 +880,20 @@ bool pkgCacheGenerator::NewFileDesc(pkgCache::DescIterator &Desc, // CacheGenerator::NewDescription - Create a new Description /*{{{*/ // --------------------------------------------------------------------- /* This puts a description structure in the linked list */ -map_ptrloc pkgCacheGenerator::NewDescription(pkgCache::DescIterator &Desc, +map_pointer_t pkgCacheGenerator::NewDescription(pkgCache::DescIterator &Desc, const string &Lang, const MD5SumValue &md5sum, - map_ptrloc idxmd5str) + map_stringitem_t const idxmd5str) { // Get a structure - map_ptrloc const Description = AllocateInMap(sizeof(pkgCache::Description)); + map_pointer_t const Description = AllocateInMap(sizeof(pkgCache::Description)); if (Description == 0) return 0; // Fill it in Desc = pkgCache::DescIterator(Cache,Cache.DescP + Description); Desc->ID = Cache.HeaderP->DescriptionCount++; - map_ptrloc const idxlanguage_code = WriteUniqString(Lang); + map_stringitem_t const idxlanguage_code = StoreString(MIXED, Lang); if (unlikely(idxlanguage_code == 0)) return 0; Desc->language_code = idxlanguage_code; @@ -897,7 +902,7 @@ map_ptrloc pkgCacheGenerator::NewDescription(pkgCache::DescIterator &Desc, Desc->md5sum = idxmd5str; else { - map_ptrloc const idxmd5sum = WriteStringInMap(md5sum.Value()); + map_stringitem_t const idxmd5sum = WriteStringInMap(md5sum.Value()); if (unlikely(idxmd5sum == 0)) return 0; Desc->md5sum = idxmd5sum; @@ -915,9 +920,9 @@ bool pkgCacheGenerator::NewDepends(pkgCache::PkgIterator &Pkg, string const &Version, unsigned int const &Op, unsigned int const &Type, - map_ptrloc* &OldDepLast) + map_stringitem_t* &OldDepLast) { - map_ptrloc index = 0; + map_stringitem_t index = 0; if (Version.empty() == false) { int const CmpOp = Op & 0x0F; @@ -928,25 +933,25 @@ bool pkgCacheGenerator::NewDepends(pkgCache::PkgIterator &Pkg, if (index == 0) { void const * const oldMap = Map.Data(); - index = WriteStringInMap(Version); + index = StoreString(VERSIONNUMBER, Version); if (unlikely(index == 0)) return false; if (OldDepLast != 0 && oldMap != Map.Data()) - OldDepLast += (map_ptrloc const * const) Map.Data() - (map_ptrloc const * const) oldMap; + OldDepLast += (map_pointer_t const * const) Map.Data() - (map_pointer_t const * const) oldMap; } } return NewDepends(Pkg, Ver, index, Op, Type, OldDepLast); } bool pkgCacheGenerator::NewDepends(pkgCache::PkgIterator &Pkg, pkgCache::VerIterator &Ver, - map_ptrloc const Version, + map_pointer_t const Version, unsigned int const &Op, unsigned int const &Type, - map_ptrloc* &OldDepLast) + map_pointer_t* &OldDepLast) { void const * const oldMap = Map.Data(); // Get a structure - map_ptrloc const Dependency = AllocateInMap(sizeof(pkgCache::Dependency)); + map_pointer_t const Dependency = AllocateInMap(sizeof(pkgCache::Dependency)); if (unlikely(Dependency == 0)) return false; @@ -971,7 +976,7 @@ bool pkgCacheGenerator::NewDepends(pkgCache::PkgIterator &Pkg, for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; ++D) OldDepLast = &D->NextDepends; } else if (oldMap != Map.Data()) - OldDepLast += (map_ptrloc const * const) Map.Data() - (map_ptrloc const * const) oldMap; + OldDepLast += (map_pointer_t const * const) Map.Data() - (map_pointer_t const * const) oldMap; Dep->NextDepends = *OldDepLast; *OldDepLast = Dep.Index(); @@ -1036,7 +1041,7 @@ bool pkgCacheGenerator::ListParser::NewProvides(pkgCache::VerIterator &Ver, return true; // Get a structure - map_ptrloc const Provides = Owner->AllocateInMap(sizeof(pkgCache::Provides)); + map_pointer_t const Provides = Owner->AllocateInMap(sizeof(pkgCache::Provides)); if (unlikely(Provides == 0)) return false; Cache.HeaderP->ProvidesCount++; @@ -1048,7 +1053,7 @@ bool pkgCacheGenerator::ListParser::NewProvides(pkgCache::VerIterator &Ver, Prv->NextPkgProv = Ver->ProvidesList; Ver->ProvidesList = Prv.Index(); if (Version.empty() == false) { - map_ptrloc const idxProvideVersion = WriteString(Version); + map_stringitem_t const idxProvideVersion = WriteString(Version); Prv->ProvideVersion = idxProvideVersion; if (unlikely(idxProvideVersion == 0)) return false; @@ -1083,14 +1088,14 @@ bool pkgCacheGenerator::SelectFile(const string &File,const string &Site, unsigned long Flags) { // Get some space for the structure - map_ptrloc const idxFile = AllocateInMap(sizeof(*CurrentFile)); + map_pointer_t const idxFile = AllocateInMap(sizeof(*CurrentFile)); if (unlikely(idxFile == 0)) return false; CurrentFile = Cache.PkgFileP + idxFile; // Fill it in - map_ptrloc const idxFileName = WriteStringInMap(File); - map_ptrloc const idxSite = WriteUniqString(Site); + map_stringitem_t const idxFileName = WriteStringInMap(File); + map_stringitem_t const idxSite = StoreString(MIXED, Site); if (unlikely(idxFileName == 0 || idxSite == 0)) return false; CurrentFile->FileName = idxFileName; @@ -1098,7 +1103,7 @@ bool pkgCacheGenerator::SelectFile(const string &File,const string &Site, CurrentFile->NextFile = Cache.HeaderP->FileList; CurrentFile->Flags = Flags; CurrentFile->ID = Cache.HeaderP->PackageFileCount; - map_ptrloc const idxIndexType = WriteUniqString(Index.GetType()->Label); + map_stringitem_t const idxIndexType = StoreString(MIXED, Index.GetType()->Label); if (unlikely(idxIndexType == 0)) return false; CurrentFile->IndexType = idxIndexType; @@ -1115,57 +1120,27 @@ bool pkgCacheGenerator::SelectFile(const string &File,const string &Site, // --------------------------------------------------------------------- /* This is used to create handles to strings. Given the same text it always returns the same number */ -unsigned long pkgCacheGenerator::WriteUniqString(const char *S, +map_stringitem_t pkgCacheGenerator::StoreString(enum StringType const type, const char *S, unsigned int Size) { - /* We use a very small transient hash table here, this speeds up generation - by a fair amount on slower machines */ - pkgCache::StringItem *&Bucket = UniqHash[(S[0]*5 + S[1]) % _count(UniqHash)]; - if (Bucket != 0 && - stringcmp(S,S+Size,Cache.StrP + Bucket->String) == 0) - return Bucket->String; - - // Search for an insertion point - pkgCache::StringItem *I = Cache.StringItemP + Cache.HeaderP->StringList; - int Res = 1; - map_ptrloc *Last = &Cache.HeaderP->StringList; - for (; I != Cache.StringItemP; Last = &I->NextItem, - I = Cache.StringItemP + I->NextItem) - { - Res = stringcmp(S,S+Size,Cache.StrP + I->String); - if (Res >= 0) - break; - } - - // Match - if (Res == 0) - { - Bucket = I; - return I->String; - } - - // Get a structure - void const * const oldMap = Map.Data(); - map_ptrloc const Item = AllocateInMap(sizeof(pkgCache::StringItem)); - if (Item == 0) - return 0; - - map_ptrloc const idxString = WriteStringInMap(S,Size); - if (unlikely(idxString == 0)) - return 0; - if (oldMap != Map.Data()) { - Last += (map_ptrloc const * const) Map.Data() - (map_ptrloc const * const) oldMap; - I += (pkgCache::StringItem const * const) Map.Data() - (pkgCache::StringItem const * const) oldMap; + std::string const key(S, Size); + + std::map * strings; + switch(type) { + case MIXED: strings = &strMixed; break; + case PKGNAME: strings = &strPkgNames; break; + case VERSIONNUMBER: strings = &strVersions; break; + case SECTION: strings = &strSections; break; + default: _error->Fatal("Unknown enum type used for string storage of '%s'", key.c_str()); return 0; } - *Last = Item; - // Fill in the structure - pkgCache::StringItem *ItemP = Cache.StringItemP + Item; - ItemP->NextItem = I - Cache.StringItemP; - ItemP->String = idxString; + std::map::const_iterator const item = strings->find(key); + if (item != strings->end()) + return item->second; - Bucket = ItemP; - return ItemP->String; + map_stringitem_t const idxString = WriteStringInMap(S,Size); + strings->insert(std::make_pair(key, idxString)); + return idxString; } /*}}}*/ // CheckValidity - Check that a cache is up-to-date /*{{{*/ @@ -1275,9 +1250,9 @@ static bool CheckValidity(const string &CacheFile, // --------------------------------------------------------------------- /* Size is kind of an abstract notion that is only used for the progress meter */ -static unsigned long ComputeSize(FileIterator Start,FileIterator End) +static map_filesize_t ComputeSize(FileIterator Start,FileIterator End) { - unsigned long TotalSize = 0; + map_filesize_t TotalSize = 0; for (; Start < End; ++Start) { if ((*Start)->HasPackages() == false) @@ -1292,7 +1267,7 @@ static unsigned long ComputeSize(FileIterator Start,FileIterator End) /* */ static bool BuildCache(pkgCacheGenerator &Gen, OpProgress *Progress, - unsigned long &CurrentSize,unsigned long TotalSize, + map_filesize_t &CurrentSize,map_filesize_t TotalSize, FileIterator Start, FileIterator End) { FileIterator I; @@ -1311,7 +1286,7 @@ static bool BuildCache(pkgCacheGenerator &Gen, continue; } - unsigned long Size = (*I)->Size(); + map_filesize_t Size = (*I)->Size(); if (Progress != NULL) Progress->OverallProgress(CurrentSize,TotalSize,Size,_("Reading package lists")); CurrentSize += Size; @@ -1328,7 +1303,7 @@ static bool BuildCache(pkgCacheGenerator &Gen, CurrentSize = 0; for (I = Start; I != End; ++I) { - unsigned long Size = (*I)->Size(); + map_filesize_t Size = (*I)->Size(); if (Progress != NULL) Progress->OverallProgress(CurrentSize,TotalSize,Size,_("Collecting File Provides")); CurrentSize += Size; @@ -1342,9 +1317,9 @@ static bool BuildCache(pkgCacheGenerator &Gen, /*}}}*/ // CacheGenerator::CreateDynamicMMap - load an mmap with configuration options /*{{{*/ DynamicMMap* pkgCacheGenerator::CreateDynamicMMap(FileFd *CacheF, unsigned long Flags) { - unsigned long const MapStart = _config->FindI("APT::Cache-Start", 24*1024*1024); - unsigned long const MapGrow = _config->FindI("APT::Cache-Grow", 1*1024*1024); - unsigned long const MapLimit = _config->FindI("APT::Cache-Limit", 0); + map_filesize_t const MapStart = _config->FindI("APT::Cache-Start", 24*1024*1024); + map_filesize_t const MapGrow = _config->FindI("APT::Cache-Grow", 1*1024*1024); + map_filesize_t const MapLimit = _config->FindI("APT::Cache-Limit", 0); Flags |= MMap::Moveable; if (_config->FindB("APT::Cache-Fallback", false) == true) Flags |= MMap::Fallback; @@ -1382,7 +1357,7 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress Files.push_back (*j); } - unsigned long const EndOfSource = Files.size(); + map_filesize_t const EndOfSource = Files.size(); if (_system->AddStatusFiles(Files) == false) return false; @@ -1472,8 +1447,8 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress } // Lets try the source cache. - unsigned long CurrentSize = 0; - unsigned long TotalSize = 0; + map_filesize_t CurrentSize = 0; + map_filesize_t TotalSize = 0; if (CheckValidity(SrcCacheFile, List, Files.begin(), Files.begin()+EndOfSource) == true) { @@ -1481,7 +1456,7 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress std::clog << "srcpkgcache.bin is valid - populate MMap with it." << std::endl; // Preload the map with the source cache FileFd SCacheF(SrcCacheFile,FileFd::ReadOnly); - unsigned long const alloc = Map->RawAllocate(SCacheF.Size()); + map_pointer_t const alloc = Map->RawAllocate(SCacheF.Size()); if ((alloc == 0 && _error->PendingError()) || SCacheF.Read((unsigned char *)Map->Data() + alloc, SCacheF.Size()) == false) @@ -1568,13 +1543,13 @@ APT_DEPRECATED bool pkgMakeOnlyStatusCache(OpProgress &Progress,DynamicMMap **Ou bool pkgCacheGenerator::MakeOnlyStatusCache(OpProgress *Progress,DynamicMMap **OutMap) { std::vector Files; - unsigned long EndOfSource = Files.size(); + map_filesize_t EndOfSource = Files.size(); if (_system->AddStatusFiles(Files) == false) return false; SPtr Map = CreateDynamicMMap(NULL); - unsigned long CurrentSize = 0; - unsigned long TotalSize = 0; + map_filesize_t CurrentSize = 0; + map_filesize_t TotalSize = 0; TotalSize = ComputeSize(Files.begin()+EndOfSource,Files.end());