Selaa lähdekoodia

bunch of micro-optimizations for depcache

DepCache functions are called a lot, so if we can squeeze some drops out
of them for free we should do so. Takes also the opportunity to remove
some whitespace errors from these functions.

Git-Dch: Ignore
David Kalnischkies 11 vuotta sitten
vanhempi
commit
fd23676e80

+ 5 - 6
apt-pkg/deb/deblistparser.cc

@@ -209,23 +209,22 @@ bool debListParser::NewVersion(pkgCache::VerIterator &Ver)
 	 Ver->Priority = pkgCache::State::Extra;
 	 Ver->Priority = pkgCache::State::Extra;
    }
    }
 
 
-   if (ParseDepends(Ver,"Depends",pkgCache::Dep::Depends) == false)
-      return false;
    if (ParseDepends(Ver,"Pre-Depends",pkgCache::Dep::PreDepends) == false)
    if (ParseDepends(Ver,"Pre-Depends",pkgCache::Dep::PreDepends) == false)
       return false;
       return false;
-   if (ParseDepends(Ver,"Suggests",pkgCache::Dep::Suggests) == false)
-      return false;
-   if (ParseDepends(Ver,"Recommends",pkgCache::Dep::Recommends) == false)
+   if (ParseDepends(Ver,"Depends",pkgCache::Dep::Depends) == false)
       return false;
       return false;
    if (ParseDepends(Ver,"Conflicts",pkgCache::Dep::Conflicts) == false)
    if (ParseDepends(Ver,"Conflicts",pkgCache::Dep::Conflicts) == false)
       return false;
       return false;
    if (ParseDepends(Ver,"Breaks",pkgCache::Dep::DpkgBreaks) == false)
    if (ParseDepends(Ver,"Breaks",pkgCache::Dep::DpkgBreaks) == false)
       return false;
       return false;
+   if (ParseDepends(Ver,"Recommends",pkgCache::Dep::Recommends) == false)
+      return false;
+   if (ParseDepends(Ver,"Suggests",pkgCache::Dep::Suggests) == false)
+      return false;
    if (ParseDepends(Ver,"Replaces",pkgCache::Dep::Replaces) == false)
    if (ParseDepends(Ver,"Replaces",pkgCache::Dep::Replaces) == false)
       return false;
       return false;
    if (ParseDepends(Ver,"Enhances",pkgCache::Dep::Enhances) == false)
    if (ParseDepends(Ver,"Enhances",pkgCache::Dep::Enhances) == false)
       return false;
       return false;
-
    // Obsolete.
    // Obsolete.
    if (ParseDepends(Ver,"Optional",pkgCache::Dep::Suggests) == false)
    if (ParseDepends(Ver,"Optional",pkgCache::Dep::Suggests) == false)
       return false;
       return false;

+ 22 - 25
apt-pkg/deb/debversion.cc

@@ -34,29 +34,26 @@ debVersioningSystem::debVersioningSystem()
 
 
 // debVS::CmpFragment - Compare versions			        /*{{{*/
 // debVS::CmpFragment - Compare versions			        /*{{{*/
 // ---------------------------------------------------------------------
 // ---------------------------------------------------------------------
-/* This compares a fragment of the version. This is a slightly adapted 
-   version of what dpkg uses. */
-#define order(x) ((x) == '~' ? -1    \
-		: isdigit((x)) ? 0   \
-		: !(x) ? 0           \
-		: isalpha((x)) ? (x) \
-		: (x) + 256)
-int debVersioningSystem::CmpFragment(const char *A,const char *AEnd,
-				     const char *B,const char *BEnd)
+/* This compares a fragment of the version. This is a slightly adapted
+   version of what dpkg uses in dpkg/lib/dpkg/version.c.
+   In particular, the a | b = NULL check is removed as we check this in the
+   caller, we use an explicit end for a | b strings and we check ~ explicit. */
+static int order(char c)
 {
 {
-   if (A >= AEnd && B >= BEnd)
+   if (isdigit(c))
       return 0;
       return 0;
-   if (A >= AEnd)
-   {
-      if (*B == '~') return 1;
+   else if (isalpha(c))
+      return c;
+   else if (c == '~')
       return -1;
       return -1;
-   }
-   if (B >= BEnd)
-   {
-      if (*A == '~') return -1;
-      return 1;
-   }
-
+   else if (c)
+      return c + 256;
+   else
+      return 0;
+}
+int debVersioningSystem::CmpFragment(const char *A,const char *AEnd,
+				     const char *B,const char *BEnd)
+{
    /* Iterate over the whole string
    /* Iterate over the whole string
       What this does is to split the whole string into groups of
       What this does is to split the whole string into groups of
       numeric and non numeric portions. For instance:
       numeric and non numeric portions. For instance:
@@ -77,19 +74,19 @@ int debVersioningSystem::CmpFragment(const char *A,const char *AEnd,
 	 int rc = order(*rhs);
 	 int rc = order(*rhs);
 	 if (vc != rc)
 	 if (vc != rc)
 	    return vc - rc;
 	    return vc - rc;
-	 lhs++; rhs++;
+	 ++lhs; ++rhs;
       }
       }
 
 
       while (*lhs == '0')
       while (*lhs == '0')
-	 lhs++;
+	 ++lhs;
       while (*rhs == '0')
       while (*rhs == '0')
-	 rhs++;
+	 ++rhs;
       while (isdigit(*lhs) && isdigit(*rhs))
       while (isdigit(*lhs) && isdigit(*rhs))
       {
       {
 	 if (!first_diff)
 	 if (!first_diff)
 	    first_diff = *lhs - *rhs;
 	    first_diff = *lhs - *rhs;
-	 lhs++;
-	 rhs++;
+	 ++lhs;
+	 ++rhs;
       }
       }
 
 
       if (isdigit(*lhs))
       if (isdigit(*lhs))

+ 82 - 88
apt-pkg/depcache.cc

@@ -95,7 +95,7 @@ pkgDepCache::ActionGroup::~ActionGroup()
 // DepCache::pkgDepCache - Constructors					/*{{{*/
 // DepCache::pkgDepCache - Constructors					/*{{{*/
 // ---------------------------------------------------------------------
 // ---------------------------------------------------------------------
 /* */
 /* */
-pkgDepCache::pkgDepCache(pkgCache *pCache,Policy *Plcy) :
+pkgDepCache::pkgDepCache(pkgCache * const pCache,Policy * const Plcy) :
   group_level(0), Cache(pCache), PkgState(0), DepState(0),
   group_level(0), Cache(pCache), PkgState(0), DepState(0),
    iUsrSize(0), iDownloadSize(0), iInstCount(0), iDelCount(0), iKeepCount(0),
    iUsrSize(0), iDownloadSize(0), iInstCount(0), iDelCount(0), iKeepCount(0),
    iBrokenCount(0), iPolicyBrokenCount(0), iBadCount(0), d(NULL)
    iBrokenCount(0), iPolicyBrokenCount(0), iBadCount(0), d(NULL)
@@ -121,7 +121,7 @@ pkgDepCache::~pkgDepCache()
 // DepCache::Init - Generate the initial extra structures.		/*{{{*/
 // DepCache::Init - Generate the initial extra structures.		/*{{{*/
 // ---------------------------------------------------------------------
 // ---------------------------------------------------------------------
 /* This allocats the extension buffers and initializes them. */
 /* This allocats the extension buffers and initializes them. */
-bool pkgDepCache::Init(OpProgress *Prog)
+bool pkgDepCache::Init(OpProgress * const Prog)
 {
 {
    // Suppress mark updates during this operation (just in case) and
    // Suppress mark updates during this operation (just in case) and
    // run a mark operation when Init terminates.
    // run a mark operation when Init terminates.
@@ -132,7 +132,7 @@ bool pkgDepCache::Init(OpProgress *Prog)
    PkgState = new StateCache[Head().PackageCount];
    PkgState = new StateCache[Head().PackageCount];
    DepState = new unsigned char[Head().DependsCount];
    DepState = new unsigned char[Head().DependsCount];
    memset(PkgState,0,sizeof(*PkgState)*Head().PackageCount);
    memset(PkgState,0,sizeof(*PkgState)*Head().PackageCount);
-   memset(DepState,0,sizeof(*DepState)*Head().DependsCount); 
+   memset(DepState,0,sizeof(*DepState)*Head().DependsCount);
 
 
    if (Prog != 0)
    if (Prog != 0)
    {
    {
@@ -140,7 +140,7 @@ bool pkgDepCache::Init(OpProgress *Prog)
 			    _("Building dependency tree"));
 			    _("Building dependency tree"));
       Prog->SubProgress(Head().PackageCount,_("Candidate versions"));
       Prog->SubProgress(Head().PackageCount,_("Candidate versions"));
    }
    }
-   
+
    /* Set the current state of everything. In this state all of the
    /* Set the current state of everything. In this state all of the
       packages are kept exactly as is. See AllUpgrade */
       packages are kept exactly as is. See AllUpgrade */
    int Done = 0;
    int Done = 0;
@@ -148,7 +148,7 @@ bool pkgDepCache::Init(OpProgress *Prog)
    {
    {
       if (Prog != 0 && Done%20 == 0)
       if (Prog != 0 && Done%20 == 0)
 	 Prog->Progress(Done);
 	 Prog->Progress(Done);
-      
+
       // Find the proper cache slot
       // Find the proper cache slot
       StateCache &State = PkgState[I->ID];
       StateCache &State = PkgState[I->ID];
       State.iFlags = 0;
       State.iFlags = 0;
@@ -157,28 +157,27 @@ bool pkgDepCache::Init(OpProgress *Prog)
       State.CandidateVer = GetCandidateVer(I);
       State.CandidateVer = GetCandidateVer(I);
       State.InstallVer = I.CurrentVer();
       State.InstallVer = I.CurrentVer();
       State.Mode = ModeKeep;
       State.Mode = ModeKeep;
-      
+
       State.Update(I,*this);
       State.Update(I,*this);
-   }   
-   
+   }
+
    if (Prog != 0)
    if (Prog != 0)
    {
    {
-      
       Prog->OverallProgress(Head().PackageCount,2*Head().PackageCount,
       Prog->OverallProgress(Head().PackageCount,2*Head().PackageCount,
 			    Head().PackageCount,
 			    Head().PackageCount,
 			    _("Building dependency tree"));
 			    _("Building dependency tree"));
       Prog->SubProgress(Head().PackageCount,_("Dependency generation"));
       Prog->SubProgress(Head().PackageCount,_("Dependency generation"));
    }
    }
-   
+
    Update(Prog);
    Update(Prog);
 
 
    if(Prog != 0)
    if(Prog != 0)
       Prog->Done();
       Prog->Done();
 
 
    return true;
    return true;
-} 
+}
 									/*}}}*/
 									/*}}}*/
-bool pkgDepCache::readStateFile(OpProgress *Prog)			/*{{{*/
+bool pkgDepCache::readStateFile(OpProgress * const Prog)		/*{{{*/
 {
 {
    FileFd state_file;
    FileFd state_file;
    string const state = _config->FindFile("Dir::State::extended_states");
    string const state = _config->FindFile("Dir::State::extended_states");
@@ -186,7 +185,7 @@ bool pkgDepCache::readStateFile(OpProgress *Prog)			/*{{{*/
       state_file.Open(state, FileFd::ReadOnly);
       state_file.Open(state, FileFd::ReadOnly);
       off_t const file_size = state_file.Size();
       off_t const file_size = state_file.Size();
       if(Prog != NULL)
       if(Prog != NULL)
-	 Prog->OverallProgress(0, file_size, 1, 
+	 Prog->OverallProgress(0, file_size, 1,
 			       _("Reading state information"));
 			       _("Reading state information"));
 
 
       pkgTagFile tagfile(&state_file);
       pkgTagFile tagfile(&state_file);
@@ -230,7 +229,7 @@ bool pkgDepCache::readStateFile(OpProgress *Prog)			/*{{{*/
    return true;
    return true;
 }
 }
 									/*}}}*/
 									/*}}}*/
-bool pkgDepCache::writeStateFile(OpProgress * /*prog*/, bool InstalledOnly)	/*{{{*/
+bool pkgDepCache::writeStateFile(OpProgress * const /*prog*/, bool const InstalledOnly)	/*{{{*/
 {
 {
    bool const debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
    bool const debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
    
    
@@ -340,7 +339,7 @@ bool pkgDepCache::writeStateFile(OpProgress * /*prog*/, bool InstalledOnly)	/*{{
    then walks along the package provides list and checks if each provides 
    then walks along the package provides list and checks if each provides 
    will be installed then checks the provides against the dep. Res will be 
    will be installed then checks the provides against the dep. Res will be 
    set to the package which was used to satisfy the dep. */
    set to the package which was used to satisfy the dep. */
-bool pkgDepCache::CheckDep(DepIterator Dep,int Type,PkgIterator &Res)
+bool pkgDepCache::CheckDep(DepIterator const &Dep,int const Type,PkgIterator &Res)
 {
 {
    Res = Dep.TargetPkg();
    Res = Dep.TargetPkg();
 
 
@@ -351,22 +350,26 @@ bool pkgDepCache::CheckDep(DepIterator Dep,int Type,PkgIterator &Res)
    {
    {
       PkgIterator Pkg = Dep.TargetPkg();
       PkgIterator Pkg = Dep.TargetPkg();
       // Check the base package
       // Check the base package
-      if (Type == NowVersion && Pkg->CurrentVer != 0)
-	 if (Dep.IsSatisfied(Pkg.CurrentVer()) == true)
+      if (Type == NowVersion)
+      {
+	 if (Pkg->CurrentVer != 0 && Dep.IsSatisfied(Pkg.CurrentVer()) == true)
 	    return true;
 	    return true;
-      
-      if (Type == InstallVersion && PkgState[Pkg->ID].InstallVer != 0)
-	 if (Dep.IsSatisfied(PkgState[Pkg->ID].InstVerIter(*this)) == true)
+      }
+      else if (Type == InstallVersion)
+      {
+	 if (PkgState[Pkg->ID].InstallVer != 0 &&
+	       Dep.IsSatisfied(PkgState[Pkg->ID].InstVerIter(*this)) == true)
 	    return true;
 	    return true;
-      
-      if (Type == CandidateVersion && PkgState[Pkg->ID].CandidateVer != 0)
-	 if (Dep.IsSatisfied(PkgState[Pkg->ID].CandidateVerIter(*this)) == true)
+      }
+      else if (Type == CandidateVersion)
+	 if (PkgState[Pkg->ID].CandidateVer != 0 &&
+	       Dep.IsSatisfied(PkgState[Pkg->ID].CandidateVerIter(*this)) == true)
 	    return true;
 	    return true;
    }
    }
-   
+
    if (Dep->Type == Dep::Obsoletes)
    if (Dep->Type == Dep::Obsoletes)
       return false;
       return false;
-   
+
    // Check the providing packages
    // Check the providing packages
    PrvIterator P = Dep.TargetPkg().ProvidesList();
    PrvIterator P = Dep.TargetPkg().ProvidesList();
    for (; P.end() != true; ++P)
    for (; P.end() != true; ++P)
@@ -380,21 +383,19 @@ bool pkgDepCache::CheckDep(DepIterator Dep,int Type,PkgIterator &Res)
 	 if (P.OwnerPkg().CurrentVer() != P.OwnerVer())
 	 if (P.OwnerPkg().CurrentVer() != P.OwnerVer())
 	    continue;
 	    continue;
       }
       }
-      
-      if (Type == InstallVersion)
+      else if (Type == InstallVersion)
       {
       {
 	 StateCache &State = PkgState[P.OwnerPkg()->ID];
 	 StateCache &State = PkgState[P.OwnerPkg()->ID];
 	 if (State.InstallVer != (Version *)P.OwnerVer())
 	 if (State.InstallVer != (Version *)P.OwnerVer())
 	    continue;
 	    continue;
       }
       }
-
-      if (Type == CandidateVersion)
+      else if (Type == CandidateVersion)
       {
       {
 	 StateCache &State = PkgState[P.OwnerPkg()->ID];
 	 StateCache &State = PkgState[P.OwnerPkg()->ID];
 	 if (State.CandidateVer != (Version *)P.OwnerVer())
 	 if (State.CandidateVer != (Version *)P.OwnerVer())
 	    continue;
 	    continue;
       }
       }
-      
+
       // Compare the versions.
       // Compare the versions.
       if (Dep.IsSatisfied(P) == true)
       if (Dep.IsSatisfied(P) == true)
       {
       {
@@ -402,7 +403,7 @@ bool pkgDepCache::CheckDep(DepIterator Dep,int Type,PkgIterator &Res)
 	 return true;
 	 return true;
       }
       }
    }
    }
-   
+
    return false;
    return false;
 }
 }
 									/*}}}*/
 									/*}}}*/
@@ -484,47 +485,46 @@ void pkgDepCache::AddStates(const PkgIterator &Pkg, bool const Invert)
 {
 {
    signed char const Add = (Invert == false) ? 1 : -1;
    signed char const Add = (Invert == false) ? 1 : -1;
    StateCache &State = PkgState[Pkg->ID];
    StateCache &State = PkgState[Pkg->ID];
-   
+
    // The Package is broken (either minimal dep or policy dep)
    // The Package is broken (either minimal dep or policy dep)
    if ((State.DepState & DepInstMin) != DepInstMin)
    if ((State.DepState & DepInstMin) != DepInstMin)
       iBrokenCount += Add;
       iBrokenCount += Add;
    if ((State.DepState & DepInstPolicy) != DepInstPolicy)
    if ((State.DepState & DepInstPolicy) != DepInstPolicy)
       iPolicyBrokenCount += Add;
       iPolicyBrokenCount += Add;
-   
+
    // Bad state
    // Bad state
    if (Pkg.State() != PkgIterator::NeedsNothing)
    if (Pkg.State() != PkgIterator::NeedsNothing)
       iBadCount += Add;
       iBadCount += Add;
-   
+
    // Not installed
    // Not installed
    if (Pkg->CurrentVer == 0)
    if (Pkg->CurrentVer == 0)
    {
    {
       if (State.Mode == ModeDelete &&
       if (State.Mode == ModeDelete &&
 	  (State.iFlags & Purge) == Purge && Pkg.Purge() == false)
 	  (State.iFlags & Purge) == Purge && Pkg.Purge() == false)
 	 iDelCount += Add;
 	 iDelCount += Add;
-      
+
       if (State.Mode == ModeInstall)
       if (State.Mode == ModeInstall)
 	 iInstCount += Add;
 	 iInstCount += Add;
       return;
       return;
    }
    }
-   
+
    // Installed, no upgrade
    // Installed, no upgrade
    if (State.Status == 0)
    if (State.Status == 0)
-   {	 
+   {
       if (State.Mode == ModeDelete)
       if (State.Mode == ModeDelete)
 	 iDelCount += Add;
 	 iDelCount += Add;
       else
       else
 	 if ((State.iFlags & ReInstall) == ReInstall)
 	 if ((State.iFlags & ReInstall) == ReInstall)
 	    iInstCount += Add;
 	    iInstCount += Add;
-      
       return;
       return;
    }
    }
-   
+
    // Alll 3 are possible
    // Alll 3 are possible
    if (State.Mode == ModeDelete)
    if (State.Mode == ModeDelete)
-      iDelCount += Add;   
-   if (State.Mode == ModeKeep)
+      iDelCount += Add;
+   else if (State.Mode == ModeKeep)
       iKeepCount += Add;
       iKeepCount += Add;
-   if (State.Mode == ModeInstall)
+   else if (State.Mode == ModeInstall)
       iInstCount += Add;
       iInstCount += Add;
 }
 }
 									/*}}}*/
 									/*}}}*/
@@ -535,7 +535,6 @@ void pkgDepCache::AddStates(const PkgIterator &Pkg, bool const Invert)
 void pkgDepCache::BuildGroupOrs(VerIterator const &V)
 void pkgDepCache::BuildGroupOrs(VerIterator const &V)
 {
 {
    unsigned char Group = 0;
    unsigned char Group = 0;
-   
    for (DepIterator D = V.DependsList(); D.end() != true; ++D)
    for (DepIterator D = V.DependsList(); D.end() != true; ++D)
    {
    {
       // Build the dependency state.
       // Build the dependency state.
@@ -545,18 +544,18 @@ void pkgDepCache::BuildGroupOrs(VerIterator const &V)
          right sense for a conflicts group */
          right sense for a conflicts group */
       if (D.IsNegative() == true)
       if (D.IsNegative() == true)
 	 State = ~State;
 	 State = ~State;
-      
+
       // Add to the group if we are within an or..
       // Add to the group if we are within an or..
       State &= 0x7;
       State &= 0x7;
       Group |= State;
       Group |= State;
       State |= Group << 3;
       State |= Group << 3;
       if ((D->CompareOp & Dep::Or) != Dep::Or)
       if ((D->CompareOp & Dep::Or) != Dep::Or)
 	 Group = 0;
 	 Group = 0;
-      
+
       // Invert for Conflicts
       // Invert for Conflicts
       if (D.IsNegative() == true)
       if (D.IsNegative() == true)
 	 State = ~State;
 	 State = ~State;
-   }	 
+   }
 }
 }
 									/*}}}*/
 									/*}}}*/
 // DepCache::VersionState - Perform a pass over a dependency list	/*{{{*/
 // DepCache::VersionState - Perform a pass over a dependency list	/*{{{*/
@@ -565,34 +564,31 @@ void pkgDepCache::BuildGroupOrs(VerIterator const &V)
    state of the list, filtering it through both a Min check and a Policy
    state of the list, filtering it through both a Min check and a Policy
    check. The return result will have SetMin/SetPolicy low if a check
    check. The return result will have SetMin/SetPolicy low if a check
    fails. It uses the DepState cache for it's computations. */
    fails. It uses the DepState cache for it's computations. */
-unsigned char pkgDepCache::VersionState(DepIterator D,unsigned char Check,
-				       unsigned char SetMin,
-				       unsigned char SetPolicy)
+unsigned char pkgDepCache::VersionState(DepIterator D, unsigned char const Check,
+				       unsigned char const SetMin,
+				       unsigned char const SetPolicy) const
 {
 {
    unsigned char Dep = 0xFF;
    unsigned char Dep = 0xFF;
-   
    while (D.end() != true)
    while (D.end() != true)
    {
    {
-      // Compute a single dependency element (glob or)
-      DepIterator Start = D;
-      unsigned char State = 0;
-      for (bool LastOR = true; D.end() == false && LastOR == true; ++D)
-      {
-	 State |= DepState[D->ID];
-	 LastOR = (D->CompareOp & Dep::Or) == Dep::Or;
-      }
-	
+      // the last or-dependency has the state of all previous or'ed
+      DepIterator Start, End;
+      D.GlobOr(Start, End);
+      // ignore if we are called with Dep{Install,…} or DepG{Install,…}
+      // the later would be more correct, but the first is what we get
+      unsigned char const State = DepState[End->ID] | (DepState[End->ID] >> 3);
+
       // Minimum deps that must be satisfied to have a working package
       // Minimum deps that must be satisfied to have a working package
       if (Start.IsCritical() == true)
       if (Start.IsCritical() == true)
+      {
 	 if ((State & Check) != Check)
 	 if ((State & Check) != Check)
-	    Dep &= ~SetMin;
-      
+	    return Dep &= ~(SetMin | SetPolicy);
+      }
       // Policy deps that must be satisfied to install the package
       // Policy deps that must be satisfied to install the package
-      if (IsImportantDep(Start) == true && 
+      else if (IsImportantDep(Start) == true &&
 	  (State & Check) != Check)
 	  (State & Check) != Check)
 	 Dep &= ~SetPolicy;
 	 Dep &= ~SetPolicy;
    }
    }
-
    return Dep;
    return Dep;
 }
 }
 									/*}}}*/
 									/*}}}*/
@@ -601,17 +597,17 @@ unsigned char pkgDepCache::VersionState(DepIterator D,unsigned char Check,
 /* This is the main dependency computation bit. It computes the 3 main
 /* This is the main dependency computation bit. It computes the 3 main
    results for a dependencys, Now, Install and Candidate. Callers must
    results for a dependencys, Now, Install and Candidate. Callers must
    invert the result if dealing with conflicts. */
    invert the result if dealing with conflicts. */
-unsigned char pkgDepCache::DependencyState(DepIterator &D)
+unsigned char pkgDepCache::DependencyState(DepIterator const &D)
 {
 {
    unsigned char State = 0;
    unsigned char State = 0;
-   
+
    if (CheckDep(D,NowVersion) == true)
    if (CheckDep(D,NowVersion) == true)
       State |= DepNow;
       State |= DepNow;
    if (CheckDep(D,InstallVersion) == true)
    if (CheckDep(D,InstallVersion) == true)
       State |= DepInstall;
       State |= DepInstall;
    if (CheckDep(D,CandidateVersion) == true)
    if (CheckDep(D,CandidateVersion) == true)
       State |= DepCVer;
       State |= DepCVer;
-   
+
    return State;
    return State;
 }
 }
 									/*}}}*/
 									/*}}}*/
@@ -620,7 +616,7 @@ unsigned char pkgDepCache::DependencyState(DepIterator &D)
 /* This determines the combined dependency representation of a package
 /* This determines the combined dependency representation of a package
    for its two states now and install. This is done by using the pre-generated
    for its two states now and install. This is done by using the pre-generated
    dependency information. */
    dependency information. */
-void pkgDepCache::UpdateVerState(PkgIterator Pkg)
+void pkgDepCache::UpdateVerState(PkgIterator const &Pkg)
 {   
 {   
    // Empty deps are always true
    // Empty deps are always true
    StateCache &State = PkgState[Pkg->ID];
    StateCache &State = PkgState[Pkg->ID];
@@ -654,7 +650,7 @@ void pkgDepCache::UpdateVerState(PkgIterator Pkg)
 // ---------------------------------------------------------------------
 // ---------------------------------------------------------------------
 /* This will figure out the state of all the packages and all the 
 /* This will figure out the state of all the packages and all the 
    dependencies based on the current policy. */
    dependencies based on the current policy. */
-void pkgDepCache::Update(OpProgress *Prog)
+void pkgDepCache::Update(OpProgress * const Prog)
 {   
 {   
    iUsrSize = 0;
    iUsrSize = 0;
    iDownloadSize = 0;
    iDownloadSize = 0;
@@ -1655,10 +1651,10 @@ const char *pkgDepCache::StateCache::StripEpoch(const char *Ver)
       return 0;
       return 0;
 
 
    // Strip any epoch
    // Strip any epoch
-   for (const char *I = Ver; *I != 0; I++)
-      if (*I == ':')
-	 return I + 1;
-   return Ver;
+   char const * const I = strchr(Ver, ':');
+   if (I == nullptr)
+      return Ver;
+   return I + 1;
 }
 }
 									/*}}}*/
 									/*}}}*/
 // Policy::GetCandidateVer - Returns the Candidate install version	/*{{{*/
 // Policy::GetCandidateVer - Returns the Candidate install version	/*{{{*/
@@ -1701,17 +1697,17 @@ pkgCache::VerIterator pkgDepCache::Policy::GetCandidateVer(PkgIterator const &Pk
 // Policy::IsImportantDep - True if the dependency is important		/*{{{*/
 // Policy::IsImportantDep - True if the dependency is important		/*{{{*/
 // ---------------------------------------------------------------------
 // ---------------------------------------------------------------------
 /* */
 /* */
-bool pkgDepCache::Policy::IsImportantDep(DepIterator const &Dep)
+bool pkgDepCache::Policy::IsImportantDep(DepIterator const &Dep) const
 {
 {
    if(Dep.IsCritical())
    if(Dep.IsCritical())
       return true;
       return true;
-   else if(Dep->Type == pkgCache::Dep::Recommends) 
+   else if(Dep->Type == pkgCache::Dep::Recommends)
    {
    {
       if (InstallRecommends)
       if (InstallRecommends)
 	 return true;
 	 return true;
       // we suport a special mode to only install-recommends for certain
       // we suport a special mode to only install-recommends for certain
       // sections
       // sections
-      // FIXME: this is a meant as a temporarly solution until the 
+      // FIXME: this is a meant as a temporarly solution until the
       //        recommends are cleaned up
       //        recommends are cleaned up
       const char *sec = Dep.ParentVer().Section();
       const char *sec = Dep.ParentVer().Section();
       if (sec && ConfigValueInSubTree("APT::Install-Recommends-Sections", sec))
       if (sec && ConfigValueInSubTree("APT::Install-Recommends-Sections", sec))
@@ -1757,24 +1753,22 @@ bool pkgDepCache::MarkRequired(InRootSetFunc &userFunc)
    if (_config->Find("APT::Solver", "internal") != "internal")
    if (_config->Find("APT::Solver", "internal") != "internal")
       return true;
       return true;
 
 
-   bool follow_recommends;
-   bool follow_suggests;
-   bool debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
+   bool const debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
 
 
    // init the states
    // init the states
-   for(PkgIterator p = PkgBegin(); !p.end(); ++p)
+   map_id_t const PackagesCount = Head().PackageCount;
+   for(map_id_t i = 0; i < PackagesCount; ++i)
    {
    {
-      PkgState[p->ID].Marked  = false;
-      PkgState[p->ID].Garbage = false;
-
-      // debug output
-      if(debug_autoremove && PkgState[p->ID].Flags & Flag::Auto)
-  	 std::clog << "AutoDep: " << p.FullName() << std::endl;
+      PkgState[i].Marked  = false;
+      PkgState[i].Garbage = false;
    }
    }
+   if (debug_autoremove)
+      for(PkgIterator p = PkgBegin(); !p.end(); ++p)
+	 if(PkgState[p->ID].Flags & Flag::Auto)
+	    std::clog << "AutoDep: " << p.FullName() << std::endl;
 
 
-   // init vars
-   follow_recommends = MarkFollowsRecommends();
-   follow_suggests   = MarkFollowsSuggests();
+   bool const follow_recommends = MarkFollowsRecommends();
+   bool const follow_suggests   = MarkFollowsSuggests();
 
 
    // do the mark part, this is the core bit of the algorithm
    // do the mark part, this is the core bit of the algorithm
    for(PkgIterator p = PkgBegin(); !p.end(); ++p)
    for(PkgIterator p = PkgBegin(); !p.end(); ++p)

+ 14 - 14
apt-pkg/depcache.h

@@ -267,7 +267,7 @@ class pkgDepCache : protected pkgCache::Namespace
    
    
    // Helper functions
    // Helper functions
    void BuildGroupOrs(VerIterator const &V);
    void BuildGroupOrs(VerIterator const &V);
-   void UpdateVerState(PkgIterator Pkg);
+   void UpdateVerState(PkgIterator const &Pkg);
 
 
    // User Policy control
    // User Policy control
    class Policy
    class Policy
@@ -279,7 +279,7 @@ class pkgDepCache : protected pkgCache::Namespace
       }
       }
 
 
       virtual VerIterator GetCandidateVer(PkgIterator const &Pkg);
       virtual VerIterator GetCandidateVer(PkgIterator const &Pkg);
-      virtual bool IsImportantDep(DepIterator const &Dep);
+      virtual bool IsImportantDep(DepIterator const &Dep) const;
       virtual signed short GetPriority(PkgIterator const &Pkg);
       virtual signed short GetPriority(PkgIterator const &Pkg);
       virtual signed short GetPriority(PkgFileIterator const &File);
       virtual signed short GetPriority(PkgFileIterator const &File);
 
 
@@ -323,18 +323,18 @@ class pkgDepCache : protected pkgCache::Namespace
    Policy *LocalPolicy;
    Policy *LocalPolicy;
    
    
    // Check for a matching provides
    // Check for a matching provides
-   bool CheckDep(DepIterator Dep,int Type,PkgIterator &Res);
-   inline bool CheckDep(DepIterator Dep,int Type)
+   bool CheckDep(DepIterator const &Dep,int const Type,PkgIterator &Res);
+   inline bool CheckDep(DepIterator const &Dep,int const Type)
    {
    {
       PkgIterator Res(*this,0);
       PkgIterator Res(*this,0);
       return CheckDep(Dep,Type,Res);
       return CheckDep(Dep,Type,Res);
    }
    }
    
    
    // Computes state information for deps and versions (w/o storing)
    // Computes state information for deps and versions (w/o storing)
-   unsigned char DependencyState(DepIterator &D);
-   unsigned char VersionState(DepIterator D,unsigned char Check,
-			      unsigned char SetMin,
-			      unsigned char SetPolicy);
+   unsigned char DependencyState(DepIterator const &D);
+   unsigned char VersionState(DepIterator D,unsigned char const Check,
+			      unsigned char const SetMin,
+			      unsigned char const SetPolicy) const;
 
 
    // Recalculates various portions of the cache, call after changing something
    // Recalculates various portions of the cache, call after changing something
    void Update(DepIterator Dep);           // Mostly internal
    void Update(DepIterator Dep);           // Mostly internal
@@ -362,7 +362,7 @@ class pkgDepCache : protected pkgCache::Namespace
    
    
    // Policy implementation
    // Policy implementation
    inline VerIterator GetCandidateVer(PkgIterator const &Pkg) {return LocalPolicy->GetCandidateVer(Pkg);};
    inline VerIterator GetCandidateVer(PkgIterator const &Pkg) {return LocalPolicy->GetCandidateVer(Pkg);};
-   inline bool IsImportantDep(DepIterator Dep) {return LocalPolicy->IsImportantDep(Dep);};
+   inline bool IsImportantDep(DepIterator Dep) const {return LocalPolicy->IsImportantDep(Dep);};
    inline Policy &GetPolicy() {return *LocalPolicy;};
    inline Policy &GetPolicy() {return *LocalPolicy;};
    
    
    // Accessors
    // Accessors
@@ -471,8 +471,8 @@ class pkgDepCache : protected pkgCache::Namespace
 			    unsigned long Depth = 0, bool FromUser = true);
 			    unsigned long Depth = 0, bool FromUser = true);
 
 
    // read persistent states
    // read persistent states
-   bool readStateFile(OpProgress *prog);
-   bool writeStateFile(OpProgress *prog, bool InstalledOnly=true);
+   bool readStateFile(OpProgress * const prog);
+   bool writeStateFile(OpProgress * const prog, bool const InstalledOnly=true);
    
    
    // Size queries
    // Size queries
    inline signed long long UsrSize() {return iUsrSize;};
    inline signed long long UsrSize() {return iUsrSize;};
@@ -484,11 +484,11 @@ class pkgDepCache : protected pkgCache::Namespace
    inline unsigned long PolicyBrokenCount() {return iPolicyBrokenCount;};
    inline unsigned long PolicyBrokenCount() {return iPolicyBrokenCount;};
    inline unsigned long BadCount() {return iBadCount;};
    inline unsigned long BadCount() {return iBadCount;};
 
 
-   bool Init(OpProgress *Prog);
+   bool Init(OpProgress * const Prog);
    // Generate all state information
    // Generate all state information
-   void Update(OpProgress *Prog = 0);
+   void Update(OpProgress * const Prog = 0);
 
 
-   pkgDepCache(pkgCache *Cache,Policy *Plcy = 0);
+   pkgDepCache(pkgCache * const Cache,Policy * const Plcy = 0);
    virtual ~pkgDepCache();
    virtual ~pkgDepCache();
 
 
    protected:
    protected:

+ 13 - 8
apt-pkg/pkgcache.cc

@@ -697,29 +697,34 @@ void pkgCache::DepIterator::GlobOr(DepIterator &Start,DepIterator &End)
 // ---------------------------------------------------------------------
 // ---------------------------------------------------------------------
 /* Deps like self-conflicts should be ignored as well as implicit conflicts
 /* Deps like self-conflicts should be ignored as well as implicit conflicts
    on virtual packages. */
    on virtual packages. */
-bool pkgCache::DepIterator::IsIgnorable(PkgIterator const &/*Pkg*/) const
+bool pkgCache::DepIterator::IsIgnorable(PkgIterator const &PT) const
 {
 {
    if (IsNegative() == false)
    if (IsNegative() == false)
       return false;
       return false;
 
 
-   pkgCache::PkgIterator PP = ParentPkg();
-   pkgCache::PkgIterator PT = TargetPkg();
+   pkgCache::PkgIterator const PP = ParentPkg();
    if (PP->Group != PT->Group)
    if (PP->Group != PT->Group)
       return false;
       return false;
    // self-conflict
    // self-conflict
    if (PP == PT)
    if (PP == PT)
       return true;
       return true;
-   pkgCache::VerIterator PV = ParentVer();
+   pkgCache::VerIterator const PV = ParentVer();
    // ignore group-conflict on a M-A:same package - but not our implicit dependencies
    // ignore group-conflict on a M-A:same package - but not our implicit dependencies
    // so that we can have M-A:same packages conflicting with their own real name
    // so that we can have M-A:same packages conflicting with their own real name
    if ((PV->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same)
    if ((PV->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same)
    {
    {
       // Replaces: ${self}:other ( << ${binary:Version})
       // Replaces: ${self}:other ( << ${binary:Version})
-      if (S->Type == pkgCache::Dep::Replaces && S->CompareOp == pkgCache::Dep::Less && strcmp(PV.VerStr(), TargetVer()) == 0)
-	 return false;
+      if (S->Type == pkgCache::Dep::Replaces)
+      {
+	 if (S->CompareOp == pkgCache::Dep::Less && strcmp(PV.VerStr(), TargetVer()) == 0)
+	    return false;
+      }
       // Breaks: ${self}:other (!= ${binary:Version})
       // Breaks: ${self}:other (!= ${binary:Version})
-      if (S->Type == pkgCache::Dep::DpkgBreaks && S->CompareOp == pkgCache::Dep::NotEquals && strcmp(PV.VerStr(), TargetVer()) == 0)
-	 return false;
+      else if (S->Type == pkgCache::Dep::DpkgBreaks)
+      {
+	 if (S->CompareOp == pkgCache::Dep::NotEquals && strcmp(PV.VerStr(), TargetVer()) == 0)
+	    return false;
+      }
       return true;
       return true;
    }
    }
 
 

+ 12 - 12
test/integration/test-apt-cache

@@ -56,21 +56,21 @@ testsuccessequal "       foo |          1 | file:$(readlink -f .)/aptarchive uns
 
 
 testsuccessequal 'foo
 testsuccessequal 'foo
   Depends: bar
   Depends: bar
- |Recommends: <cool>
-  Recommends: <cooler>
   Conflicts: <foobar>
   Conflicts: <foobar>
-  Conflicts: <foobar:i386>' aptcache depends foo
+  Conflicts: <foobar:i386>
+ |Recommends: <cool>
+  Recommends: <cooler>' aptcache depends foo
 testsuccessequal 'foo
 testsuccessequal 'foo
   Depends: bar
   Depends: bar
-  Recommends: <cool>
   Conflicts: <foobar>
   Conflicts: <foobar>
-  Conflicts: <foobar:i386>' aptcache depends foo -o APT::Cache::ShowOnlyFirstOr=1
+  Conflicts: <foobar:i386>
+  Recommends: <cool>' aptcache depends foo -o APT::Cache::ShowOnlyFirstOr=1
 testsuccessequal 'foo
 testsuccessequal 'foo
   Depends: bar
   Depends: bar
- |Recommends: <cool> (>= 2)
-  Recommends: <cooler> (<< 5)
   Conflicts: <foobar>
   Conflicts: <foobar>
-  Conflicts: <foobar:i386>' aptcache depends foo -o APT::Cache::ShowVersion=1
+  Conflicts: <foobar:i386>
+ |Recommends: <cool> (>= 2)
+  Recommends: <cooler> (<< 5)' aptcache depends foo -o APT::Cache::ShowVersion=1
 testsuccessequal 'foo
 testsuccessequal 'foo
   Depends: bar
   Depends: bar
   Conflicts: <foobar>
   Conflicts: <foobar>
@@ -82,20 +82,20 @@ testsuccessequal 'foo
   Conflicts: <foobar:i386>' aptcache depends foo --important --no-depends --conflicts
   Conflicts: <foobar:i386>' aptcache depends foo --important --no-depends --conflicts
 testsuccessequal 'foo
 testsuccessequal 'foo
   Depends: bar
   Depends: bar
- |Recommends: <cool>
-  Recommends: <cooler>
   Conflicts: <foobar>
   Conflicts: <foobar>
   Conflicts: <foobar:i386>
   Conflicts: <foobar:i386>
+ |Recommends: <cool>
+  Recommends: <cooler>
 bar
 bar
   Depends: bar
   Depends: bar
   Breaks: foo
   Breaks: foo
   Breaks: <foo:i386>
   Breaks: <foo:i386>
   Replaces: foo
   Replaces: foo
   Replaces: <foo:i386>
   Replaces: <foo:i386>
-<cool>
-<cooler>
 <foobar>
 <foobar>
 <foobar:i386>
 <foobar:i386>
+<cool>
+<cooler>
 <foo:i386>' aptcache depends foo --recurse
 <foo:i386>' aptcache depends foo --recurse
 testsuccessequal 'foo
 testsuccessequal 'foo
   Depends: bar
   Depends: bar

+ 1 - 1
test/integration/test-apt-showlist-orgroup-in-recommends

@@ -13,7 +13,7 @@ insertinstalledpackage 'ddd' 'all' '1'
 insertpackage 'unstable' 'aaa' 'all' '1'
 insertpackage 'unstable' 'aaa' 'all' '1'
 insertpackage 'unstable' 'ddd' 'all' '1'
 insertpackage 'unstable' 'ddd' 'all' '1'
 insertpackage 'unstable' 'yyy' 'all' '1'
 insertpackage 'unstable' 'yyy' 'all' '1'
-insertpackage 'unstable' 'zzz' 'all' '1'
+insertpackage 'unstable' 'zzz' 'all' '1:1'
 insertpackage 'unstable' 'simple' 'all' '1' 'Recommends: aaa, bbb
 insertpackage 'unstable' 'simple' 'all' '1' 'Recommends: aaa, bbb
 Suggests: ccc, ddd'
 Suggests: ccc, ddd'
 insertpackage 'unstable' 'orgroup' 'all' '1' 'Recommends: aaa | bbb
 insertpackage 'unstable' 'orgroup' 'all' '1' 'Recommends: aaa | bbb