diff options
Diffstat (limited to 'boost/mpi/detail/antiques.hpp')
| -rw-r--r-- | boost/mpi/detail/antiques.hpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/boost/mpi/detail/antiques.hpp b/boost/mpi/detail/antiques.hpp index 0bd235b2c1..a84760f8f1 100644 --- a/boost/mpi/detail/antiques.hpp +++ b/boost/mpi/detail/antiques.hpp @@ -19,10 +19,10 @@ namespace detail { // serve as an incentive to get rid of this when those compilers // are dropped. template <typename T, typename A> - T* c_data(std::vector<T,A>& v) { return &(v[0]); } + T* c_data(std::vector<T,A>& v) { return v.empty() ? static_cast<T*>(0) : &(v[0]); } template <typename T, typename A> - T const* c_data(std::vector<T,A> const& v) { return &(v[0]); } + T const* c_data(std::vector<T,A> const& v) { return v.empty() ? static_cast<T const*>(0) : &(v[0]); } // Some old MPI implementation (OpenMPI 1.6 for example) have non // conforming API w.r.t. constness. |