apt-inst: Do not try to create a substring of an empty string in error reporting

[apt.git] / apt-pkg / packagemanager.h

diff --git a/apt-pkg/packagemanager.h b/apt-pkg/packagemanager.h
index a86b176a457fd55b156cc4a8173ca3057ec5a72b..344ed9192aff5936805421f90f35cc1e5666d573 100644 (file)
--- a/apt-pkg/packagemanager.h
+++ b/apt-pkg/packagemanager.h
@@ -75,7 +75,7 @@ class pkgPackageManager : protected pkgCache::Namespace
    bool CreateOrderList();
    
    // Analysis helpers
-   bool DepAlwaysTrue(DepIterator D);
+   bool DepAlwaysTrue(DepIterator D) APT_PURE;
    
    // Install helpers
    bool ConfigureAll();