Merge branch 'arldatastream-bug' into 'master'

Adding null-terminator to end of character array in arldatastream.

See merge request !70

radixio/arldatastream.cc

@@ -127,11 +127,12 @@ bool ARLDataStream::write_record_header(const ARLRecordHeader& rheader)
   radix_line("           initial value = " << rheader.var1);
 
   // Construct index header string
-  char recordHeader[50];
+  char recordHeader[51];
   sprintf(recordHeader, "%2d%2d%2d%2d%2d%2d%2d%4s%4d%14.7E%14.7E", year,
           rheader.month, rheader.day, rheader.hour, rheader.ic, rheader.il,
           std::stoi(rheader.cgrid.c_str()), rheader.kvar.c_str(), rheader.nexp,
           rheader.prec, rheader.var1);
+  recordHeader[50] = '\0'; // null-terminate
 
   p->stream->writeString(std::string(recordHeader),
                          ARLDataStream::PImpl::recordHeaderLength);
@@ -221,7 +222,7 @@ bool ARLDataStream::write_index_header(const ARLRecordHeader& rheader,
   radix_line("         Size of each record = " << p->recordSize);
 
   const size_t MAX_HEADER_LENGTH = 10000;
-  char indexHeaderMain[ARLDataStream::PImpl::indexHeaderLength],
+  char indexHeaderMain[ARLDataStream::PImpl::indexHeaderLength+1],
       indexHeaderVars[MAX_HEADER_LENGTH];
   int pos = 0;
 
@@ -250,6 +251,7 @@ bool ARLDataStream::write_index_header(const ARLRecordHeader& rheader,
           iheader.orient, iheader.tang_lat, iheader.sync_xp, iheader.sync_yp,
           iheader.sync_lat, iheader.sync_lon, iheader.dummy, iheader.nx,
           iheader.ny, iheader.nz, iheader.z_flag, headerLength);
+  indexHeaderMain[ARLDataStream::PImpl::indexHeaderLength] = '\0'; // null-terminate
 
   // Write the two elements of the header
   p->stream->writeString(std::string(indexHeaderMain),