Allow output files to overwrite input files (bug #21280). Thanks to

[pspp-builds.git] / src / language / data-io / inpt-pgm.c

diff --git a/src/language/data-io/inpt-pgm.c b/src/language/data-io/inpt-pgm.c
index 844fe2fe75d04efde0c84741fbbc09477509ac26..b8a31eaefd935cf42fea0db5dda2ce8888740ee7 100644 (file)
--- a/src/language/data-io/inpt-pgm.c
+++ b/src/language/data-io/inpt-pgm.c
@@ -296,6 +296,7 @@ cmd_reread (struct lexer *lexer, struct dataset *ds)
       else if (lex_match_id (lexer, "FILE"))
        {
          lex_match (lexer, '=');
+          fh_unref (fh);
           fh = fh_parse (lexer, FH_REF_FILE | FH_REF_INLINE);
          if (fh == NULL)
            {
@@ -316,6 +317,7 @@ cmd_reread (struct lexer *lexer, struct dataset *ds)
   t->column = e;
   add_transformation (ds, reread_trns_proc, reread_trns_free, t);
 
+  fh_unref (fh);
   return CMD_SUCCESS;
 }