Avoid printing uninitialized filename variable in verbose mode

When using verbose mode for pg_basebackup, in tar format sent to
stdout, we'd print an unitialized buffer as the filename.

Reported by Pontus Lundkvist

diff --git a/src/bin/pg_basebackup/pg_basebackup.c b/src/bin/pg_basebackup/pg_basebackup.c
index 9d13d57748552a7f831a51dfc6d015e96acd10aa..a396c2fd93b7e6166ffa451f0ae550cf7953bff3 100644 (file)
--- a/src/bin/pg_basebackup/pg_basebackup.c
+++ b/src/bin/pg_basebackup/pg_basebackup.c
@@ -565,6 +565,7 @@ ReceiveTarFile(PGconn *conn, PGresult *res, int rownum)
                        else
 #endif
                                tarfile = stdout;
+                       strcpy(filename, "-");
                }
                else
                {