diff options
Diffstat (limited to 'apt-pkg')
| -rw-r--r-- | apt-pkg/pkgcache.cc | 30 | ||||
| -rw-r--r-- | apt-pkg/pkgcache.h | 8 |
2 files changed, 36 insertions, 2 deletions
diff --git a/apt-pkg/pkgcache.cc b/apt-pkg/pkgcache.cc index 24d9e0329..fe8757ded 100644 --- a/apt-pkg/pkgcache.cc +++ b/apt-pkg/pkgcache.cc @@ -108,6 +108,7 @@ bool pkgCache::Header::CheckSizes(Header &Against) const /* */ pkgCache::pkgCache(MMap *Map, bool DoMap) : Map(*Map) { + MultiArchEnabled = APT::Configuration::getArchitectures().size() > 1; if (DoMap == true) ReMap(); } @@ -179,10 +180,30 @@ unsigned long pkgCache::sHash(const char *Str) const } /*}}}*/ +// Cache::SingleArchFindPkg - Locate a package by name /*{{{*/ +// --------------------------------------------------------------------- +/* Returns 0 on error, pointer to the package otherwise + The multiArch enabled methods will fallback to this one as it is (a bit) + faster for single arch environments and realworld is mostly singlearch… */ +pkgCache::PkgIterator pkgCache::SingleArchFindPkg(const string &Name) +{ + // Look at the hash bucket + Package *Pkg = PkgP + HeaderP->PkgHashTable[Hash(Name)]; + for (; Pkg != PkgP; Pkg = PkgP + Pkg->NextPackage) + { + if (Pkg->Name != 0 && StrP[Pkg->Name] == Name[0] && + stringcasecmp(Name,StrP + Pkg->Name) == 0) + return PkgIterator(*this,Pkg); + } + return PkgIterator(*this,0); +} + /*}}}*/ // Cache::FindPkg - Locate a package by name /*{{{*/ // --------------------------------------------------------------------- /* Returns 0 on error, pointer to the package otherwise */ pkgCache::PkgIterator pkgCache::FindPkg(const string &Name) { + if (MultiArchCache() == false) + return SingleArchFindPkg(Name); size_t const found = Name.find(':'); if (found == string::npos) return FindPkg(Name, "native"); @@ -195,7 +216,14 @@ pkgCache::PkgIterator pkgCache::FindPkg(const string &Name) { // Cache::FindPkg - Locate a package by name /*{{{*/ // --------------------------------------------------------------------- /* Returns 0 on error, pointer to the package otherwise */ -pkgCache::PkgIterator pkgCache::FindPkg(const string &Name, string Arch) { +pkgCache::PkgIterator pkgCache::FindPkg(const string &Name, string const &Arch) { + if (MultiArchCache() == false) { + if (Arch == "native" || Arch == "all" || + Arch == _config->Find("APT::Architecture")) + return SingleArchFindPkg(Name); + else + return PkgIterator(*this,0); + } /* We make a detour via the GrpIterator here as on a multi-arch environment a group is easier to find than a package (less entries in the buckets) */ diff --git a/apt-pkg/pkgcache.h b/apt-pkg/pkgcache.h index 012caac76..577eebad9 100644 --- a/apt-pkg/pkgcache.h +++ b/apt-pkg/pkgcache.h @@ -126,7 +126,7 @@ class pkgCache /*{{{*/ // Accessors GrpIterator FindGrp(const string &Name); PkgIterator FindPkg(const string &Name); - PkgIterator FindPkg(const string &Name, string Arch); + PkgIterator FindPkg(const string &Name, const string &Arch); Header &Head() {return *HeaderP;}; inline GrpIterator GrpBegin(); @@ -136,6 +136,8 @@ class pkgCache /*{{{*/ inline PkgFileIterator FileBegin(); inline PkgFileIterator FileEnd(); + inline bool MultiArchCache() const { return MultiArchEnabled; }; + // Make me a function pkgVersioningSystem *VS; @@ -146,6 +148,10 @@ class pkgCache /*{{{*/ pkgCache(MMap *Map,bool DoMap = true); virtual ~pkgCache() {}; + +private: + bool MultiArchEnabled; + PkgIterator SingleArchFindPkg(const string &Name); }; /*}}}*/ // Header structure /*{{{*/ |