commit c410a1bb39d5dd436d63c6f68f57b162056d8710
Author: Tanmai Khanna <khanna.tanmai@gmail.com>
Date:   Thu Aug 27 17:19:27 2020 +0530

    clear tmp variables when null flush happens

diff --git a/apertium/transfer.cc b/apertium/transfer.cc
index 970ccce..8109073 100644
--- a/apertium/transfer.cc
+++ b/apertium/transfer.cc
@@ -2232,6 +2232,13 @@ Transfer::setTraceATT(bool trace)
   this->trace_att = trace;
 }
 
+void
+Transfer::tmp_clear()
+{
+  tmpblank.clear();
+  tmpword.clear();
+}
+
 void
 Transfer::transfer_wrapper_null_flush(FILE *in, FILE *out)
 {
@@ -2240,6 +2247,7 @@ Transfer::transfer_wrapper_null_flush(FILE *in, FILE *out)
 
   while(!feof(in))
   {
+    tmp_clear();
     transfer(in, out);
     fputwc_unlocked(L'\0', out);
     int code = fflush(out);
diff --git a/apertium/transfer.h b/apertium/transfer.h
index 15b7400..6a5b06a 100644
--- a/apertium/transfer.h
+++ b/apertium/transfer.h
@@ -143,6 +143,7 @@ private:
   TransferToken & readToken(FILE *in);
   bool checkIndex(xmlNode *element, int index, int limit);
   void transfer_wrapper_null_flush(FILE *in, FILE *out);
+  void tmp_clear();
 public:
   Transfer();
   ~Transfer();