try not to call memcpy with length 0 in hash calculations

[apt.git] / apt-pkg / upgrade.cc

diff --git a/apt-pkg/upgrade.cc b/apt-pkg/upgrade.cc
index 6c8721da8672ce1973c368d200d71d9be9d531eb..afc9ad613ca0920320ae829eadcff8ee663d4854 100644 (file)
--- a/apt-pkg/upgrade.cc
+++ b/apt-pkg/upgrade.cc
@@ -27,8 +27,9 @@
 static bool pkgDistUpgrade(pkgDepCache &Cache, OpProgress * const Progress)
 {
    std::string const solver = _config->Find("APT::Solver", "internal");
+   auto const ret = EDSP::ResolveExternal(solver.c_str(), Cache, EDSP::Request::UPGRADE_ALL, Progress);
    if (solver != "internal")
-      return EDSP::ResolveExternal(solver.c_str(), Cache, false, true, false, Progress);
+      return ret;
 
    if (Progress != NULL)
       Progress->OverallProgress(0, 100, 1, _("Calculating upgrade"));
@@ -115,7 +116,7 @@ static bool pkgDistUpgrade(pkgDepCache &Cache, OpProgress * const Progress)
       }
    }
 
-   bool const success = Fix.Resolve(false, Progress);
+   bool const success = Fix.ResolveInternal(false);
    if (Progress != NULL)
       Progress->Done();
    return success;
@@ -129,19 +130,17 @@ bool pkgDistUpgrade(pkgDepCache &Cache)
 static bool pkgAllUpgradeNoNewPackages(pkgDepCache &Cache, OpProgress * const Progress)
 {
    std::string const solver = _config->Find("APT::Solver", "internal");
+   constexpr auto flags = EDSP::Request::UPGRADE_ALL | EDSP::Request::FORBID_NEW_INSTALL | EDSP::Request::FORBID_REMOVE;
+   auto const ret = EDSP::ResolveExternal(solver.c_str(), Cache, flags, Progress);
    if (solver != "internal")
-      return EDSP::ResolveExternal(solver.c_str(), Cache, true, false, false, Progress);
+      return ret;
 
    if (Progress != NULL)
       Progress->OverallProgress(0, 100, 1, _("Calculating upgrade"));
 
    pkgDepCache::ActionGroup group(Cache);
-
    pkgProblemResolver Fix(&Cache);
 
-   if (Cache.BrokenCount() != 0)
-      return false;
-   
    // Upgrade all installed packages
    for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
    {
@@ -160,7 +159,7 @@ static bool pkgAllUpgradeNoNewPackages(pkgDepCache &Cache, OpProgress * const Pr
       Progress->Progress(50);
 
    // resolve remaining issues via keep
-   bool const success = Fix.ResolveByKeep(Progress);
+   bool const success = Fix.ResolveByKeepInternal();
    if (Progress != NULL)
       Progress->Done();
    return success;
@@ -175,19 +174,17 @@ static bool pkgAllUpgradeNoNewPackages(pkgDepCache &Cache, OpProgress * const Pr
 static bool pkgAllUpgradeWithNewPackages(pkgDepCache &Cache, OpProgress * const Progress)
 {
    std::string const solver = _config->Find("APT::Solver", "internal");
+   constexpr auto flags = EDSP::Request::UPGRADE_ALL | EDSP::Request::FORBID_REMOVE;
+   auto const ret = EDSP::ResolveExternal(solver.c_str(), Cache, flags, Progress);
    if (solver != "internal")
-      return EDSP::ResolveExternal(solver.c_str(), Cache, true, false, false, Progress);
+      return ret;
 
    if (Progress != NULL)
       Progress->OverallProgress(0, 100, 1, _("Calculating upgrade"));
 
    pkgDepCache::ActionGroup group(Cache);
-
    pkgProblemResolver Fix(&Cache);
 
-   if (Cache.BrokenCount() != 0)
-      return false;
-
    // provide the initial set of stuff we want to upgrade by marking
    // all upgradable packages for upgrade
    for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
@@ -222,7 +219,7 @@ static bool pkgAllUpgradeWithNewPackages(pkgDepCache &Cache, OpProgress * const
       Progress->Progress(60);
 
    // resolve remaining issues via keep
-   bool const success = Fix.ResolveByKeep(Progress);
+   bool const success = Fix.ResolveByKeepInternal();
    if (Progress != NULL)
       Progress->Done();
    return success;
@@ -288,12 +285,6 @@ bool pkgMinimizeUpgrade(pkgDepCache &Cache)
 }
                                                                        /*}}}*/
 // APT::Upgrade::Upgrade - Upgrade using a specific strategy           /*{{{*/
-#if APT_PKG_ABI < 413
-bool APT::Upgrade::Upgrade(pkgDepCache &Cache, int mode)
-{
-   return Upgrade(Cache, mode, NULL);
-}
-#endif
 bool APT::Upgrade::Upgrade(pkgDepCache &Cache, int mode, OpProgress * const Progress)
 {
 APT_IGNORE_DEPRECATED_PUSH