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-rw-r--r--apt-pkg/pkgcache.cc81
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;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-10 09:25:44 +0000