explicit overload methods instead of adding parameters

Adding a new parameter (with a default) is an ABI break, but you can
overload a method, which is "just" an API break for everyone doing
references to this method (aka: nobody).

Git-Dch: Ignore

1 files changed, 8 insertions, 0 deletions

diff --git a/apt-pkg/contrib/configuration.h b/apt-pkg/contrib/configuration.h
index 2ecea8bee..8d7d51037 100644
--- a/apt-pkg/contrib/configuration.h
+++ b/apt-pkg/contrib/configuration.h
@@ -84,8 +84,16 @@ class Configuration
     *
     * \param Name of the parent node
     * \param Default list of values separated by commas */
+#if APT_PKG_ABI >= 413
    std::vector<std::string> FindVector(const char *Name, std::string const &Default = "") const;
    std::vector<std::string> FindVector(std::string const &Name, std::string const &Default = "") const { return FindVector(Name.c_str(), Default); };
+#else
+   std::vector<std::string> FindVector(const char *Name, std::string const &Default) const;
+   std::vector<std::string> FindVector(std::string const &Name, std::string const &Default) const { return FindVector(Name.c_str(), Default); };
+   std::vector<std::string> FindVector(const char *Name) const;
+   std::vector<std::string> FindVector(std::string const &Name) const { return FindVector(Name.c_str(), ""); };
+#endif
+
    int FindI(const char *Name,int const &Default = 0) const;
    int FindI(std::string const &Name,int const &Default = 0) const {return FindI(Name.c_str(),Default);};
    bool FindB(const char *Name,bool const &Default = false) const;