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 a1e12a8aaa331c400529acbd9cbce66d3c5e6396..34788122ccaae3e4db7433a08be8645f10ca1b9d 100644 (file)
--- a/src/bin/pg_basebackup/pg_basebackup.c
+++ b/src/bin/pg_basebackup/pg_basebackup.c
@@ -563,6 +563,7 @@ ReceiveTarFile(PGconn *conn, PGresult *res, int rownum)
            else
 #endif
                tarfile = stdout;
+           strcpy(filename, "-");
        }
        else
        {