X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/38a5b1ceeeca6ff530a2816a39bcd10d14c85d33..f3de2dbaf657f9040a4da448c57267de0fef7d33:/apt-pkg/pkgcache.cc
diff --git a/apt-pkg/pkgcache.cc b/apt-pkg/pkgcache.cc
index 4d8b9bc41..27a0ba035 100644
--- a/apt-pkg/pkgcache.cc
+++ b/apt-pkg/pkgcache.cc
@@ -45,6 +45,7 @@
/*}}}*/
using std::string;
+using APT::StringView;
// Cache::Header::Header - Constructor /*{{{*/
@@ -58,7 +59,7 @@ pkgCache::Header::Header()
/* Whenever the structures change the major version should be bumped,
whenever the generator changes the minor version should be bumped. */
APT_HEADER_SET(MajorVersion, 10);
- APT_HEADER_SET(MinorVersion, 3);
+ APT_HEADER_SET(MinorVersion, 6);
APT_HEADER_SET(Dirty, false);
APT_HEADER_SET(HeaderSz, sizeof(pkgCache::Header));
@@ -94,7 +95,7 @@ pkgCache::Header::Header()
VerSysName = 0;
Architecture = 0;
SetArchitectures(0);
- SetHashTableSize(_config->FindI("APT::Cache-HashTableSize", 15013));
+ SetHashTableSize(_config->FindI("APT::Cache-HashTableSize", 50503));
memset(Pools,0,sizeof(Pools));
CacheFileSize = 0;
@@ -126,7 +127,7 @@ bool pkgCache::Header::CheckSizes(Header &Against) const
// ---------------------------------------------------------------------
/* */
APT_IGNORE_DEPRECATED_PUSH
-pkgCache::pkgCache(MMap *Map, bool DoMap) : Map(*Map), d(NULL)
+pkgCache::pkgCache(MMap *Map, bool DoMap) : Map(*Map), VS(nullptr), d(NULL)
{
// call getArchitectures() with cached=false to ensure that the
// architectures cache is re-evaulated. this is needed in cases
@@ -183,10 +184,12 @@ bool pkgCache::ReMap(bool const &Errorchecks)
// 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);
+ std::string list = "";
+ for (auto const & arch : archs) {
+ if (!list.empty())
+ list.append(",");
+ list.append(arch);
+ }
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());
@@ -206,6 +209,13 @@ 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) */
+map_id_t pkgCache::sHash(StringView Str) const
+{
+ uint32_t Hash = 5381;
+ for (auto I = Str.begin(); I != Str.end(); ++I)
+ Hash = 33 * Hash + tolower_ascii(*I);
+ return Hash % HeaderP->GetHashTableSize();
+}
map_id_t pkgCache::sHash(const string &Str) const
{
uint32_t Hash = 5381;
@@ -251,10 +261,14 @@ uint32_t pkgCache::CacheHash()
// ---------------------------------------------------------------------
/* Returns 0 on error, pointer to the package otherwise */
pkgCache::PkgIterator pkgCache::FindPkg(const string &Name) {
- size_t const found = Name.find(':');
+ return FindPkg(StringView(Name));
+}
+
+pkgCache::PkgIterator pkgCache::FindPkg(StringView Name) {
+ auto const found = Name.rfind(':');
if (found == string::npos)
return FindPkg(Name, "native");
- string const Arch = Name.substr(found+1);
+ auto const Arch = Name.substr(found+1);
/* Beware: This is specialcased to handle pkg:any in dependencies
as these are linked to virtual pkg:any named packages.
If you want any arch from a pkg, use FindPkg(pkg,"any") */
@@ -267,6 +281,10 @@ pkgCache::PkgIterator pkgCache::FindPkg(const string &Name) {
// ---------------------------------------------------------------------
/* Returns 0 on error, pointer to the package otherwise */
pkgCache::PkgIterator pkgCache::FindPkg(const string &Name, string const &Arch) {
+ return FindPkg(StringView(Name), StringView(Arch));
+}
+
+pkgCache::PkgIterator pkgCache::FindPkg(StringView Name, StringView Arch) {
/* 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) */
@@ -281,13 +299,17 @@ pkgCache::PkgIterator pkgCache::FindPkg(const string &Name, string const &Arch)
// ---------------------------------------------------------------------
/* Returns End-Pointer on error, pointer to the group otherwise */
pkgCache::GrpIterator pkgCache::FindGrp(const string &Name) {
+ return FindGrp(StringView(Name));
+}
+
+pkgCache::GrpIterator pkgCache::FindGrp(StringView Name) {
if (unlikely(Name.empty() == true))
return GrpIterator(*this,0);
// Look at the hash bucket for the group
Group *Grp = GrpP + HeaderP->GrpHashTableP()[sHash(Name)];
for (; Grp != GrpP; Grp = GrpP + Grp->Next) {
- int const cmp = strcmp(Name.c_str(), StrP + Grp->Name);
+ int const cmp = Name.compare(ViewString(Grp->Name));
if (cmp == 0)
return GrpIterator(*this, Grp);
else if (cmp < 0)
@@ -350,6 +372,12 @@ const char *pkgCache::Priority(unsigned char Prio)
// ---------------------------------------------------------------------
/* Returns an End-Pointer on error, pointer to the package otherwise */
pkgCache::PkgIterator pkgCache::GrpIterator::FindPkg(string Arch) const {
+ return FindPkg(StringView(Arch));
+}
+pkgCache::PkgIterator pkgCache::GrpIterator::FindPkg(const char *Arch) const {
+ return FindPkg(StringView(Arch));
+}
+pkgCache::PkgIterator pkgCache::GrpIterator::FindPkg(StringView Arch) const {
if (unlikely(IsGood() == false || S->FirstPackage == 0))
return PkgIterator(*Owner, 0);
@@ -363,7 +391,7 @@ pkgCache::PkgIterator pkgCache::GrpIterator::FindPkg(string Arch) const {
// Iterate over the list to find the matching arch
for (pkgCache::Package *Pkg = PackageList(); Pkg != Owner->PkgP;
Pkg = Owner->PkgP + Pkg->NextPackage) {
- if (stringcmp(Arch, Owner->StrP + Pkg->Arch) == 0)
+ if (Arch == Owner->ViewString(Pkg->Arch))
return PkgIterator(*Owner, Pkg);
if ((Owner->PkgP + S->LastPackage) == Pkg)
break;
@@ -376,7 +404,7 @@ pkgCache::PkgIterator pkgCache::GrpIterator::FindPkg(string Arch) const {
// ---------------------------------------------------------------------
/* Returns an End-Pointer on error, pointer to the package otherwise */
pkgCache::PkgIterator pkgCache::GrpIterator::FindPreferredPkg(bool const &PreferNonVirtual) const {
- pkgCache::PkgIterator Pkg = FindPkg("native");
+ pkgCache::PkgIterator Pkg = FindPkg(StringView("native", 6));
if (Pkg.end() == false && (PreferNonVirtual == false || Pkg->VersionList != 0))
return Pkg;
@@ -388,7 +416,7 @@ pkgCache::PkgIterator pkgCache::GrpIterator::FindPreferredPkg(bool const &Prefer
return Pkg;
}
// packages without an architecture
- Pkg = FindPkg("none");
+ Pkg = FindPkg(StringView("none", 4));
if (Pkg.end() == false && (PreferNonVirtual == false || Pkg->VersionList != 0))
return Pkg;
@@ -472,7 +500,7 @@ pkgCache::PkgIterator::OkState pkgCache::PkgIterator::State() const
if (S->CurrentState == pkgCache::State::UnPacked ||
S->CurrentState == pkgCache::State::HalfConfigured)
- // we leave triggers alone complettely. dpkg deals with
+ // we leave triggers alone completely. dpkg deals with
// them in a hard-to-predict manner and if they get
// resolved by dpkg before apt run dpkg --configure on
// the TriggersPending package dpkg returns a error
@@ -525,7 +553,9 @@ operator<<(std::ostream& out, pkgCache::PkgIterator Pkg)
return out << "invalid package";
string current = string(Pkg.CurVersion() == 0 ? "none" : Pkg.CurVersion());
+APT_IGNORE_DEPRECATED_PUSH
string candidate = string(Pkg.CandVersion() == 0 ? "none" : Pkg.CandVersion());
+APT_IGNORE_DEPRECATED_POP
string newest = string(Pkg.VersionList().end() ? "none" : Pkg.VersionList().VerStr());
out << Pkg.Name() << " [ " << Pkg.Arch() << " ] < " << current;
@@ -774,7 +804,7 @@ bool pkgCache::DepIterator::IsImplicit() const
return false;
}
/*}}}*/
-// ostream operator to handle string representation of a dependecy /*{{{*/
+// ostream operator to handle string representation of a dependency /*{{{*/
// ---------------------------------------------------------------------
/* */
std::ostream& operator<<(std::ostream& out, pkgCache::DepIterator D)
@@ -787,10 +817,12 @@ std::ostream& operator<<(std::ostream& out, pkgCache::DepIterator D)
out << (P.end() ? "invalid pkg" : P.FullName(false)) << " " << D.DepType()
<< " on ";
+APT_IGNORE_DEPRECATED_PUSH
if (T.end() == true)
out << "invalid pkg";
else
out << T;
+APT_IGNORE_DEPRECATED_POP
if (D->Version != 0)
out << " (" << D.CompType() << " " << D.TargetVer() << ")";