fixing const problem for older MPI

patflick · Sep 10, 2018 · 704f251 · 704f251
1 parent 291113b
commit 704f251
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/mxx/file.hpp b/include/mxx/file.hpp
@@ -116,7 +116,7 @@ std::string file_block_decompose(const char* filename, MPI_Comm comm = MPI_COMM_
 template <typename T>
 void write_ordered(const std::string& filename, const T* buf, size_t count, const mxx::comm& comm) {
  MPI_File handle;
- MPI_File_open(comm, &filename[0], MPI_MODE_CREATE | MPI_MODE_WRONLY, MPI_INFO_NULL, &handle);
+ MPI_File_open(comm, const_cast<char*>(&filename[0]), MPI_MODE_CREATE | MPI_MODE_WRONLY, MPI_INFO_NULL, &handle);
  mxx::datatype dt = mxx::get_datatype<T>();
  MPI_File_write_ordered(handle, const_cast<T*>(buf), count, dt.type(), MPI_STATUS_IGNORE);
  MPI_File_close(&handle);