Fix lo_export usage in example programs.

lo_export returns -1, not zero, on failure.

diff --git a/src/test/examples/testlo.c b/src/test/examples/testlo.c
index fd2c28606be121f6158f4cfb393ebbd4f3d37b33..740130d5602e0e0d7fd77efc6071b080cbc29c8e 100644 (file)
--- a/src/test/examples/testlo.c
+++ b/src/test/examples/testlo.c
@@ -251,7 +251,7 @@ main(int argc, char **argv)
 
        printf("exporting large object to file \"%s\" ...\n", out_filename);
 /*     exportFile(conn, lobjOid, out_filename); */
-       if (!lo_export(conn, lobjOid, out_filename))
+       if (lo_export(conn, lobjOid, out_filename) < 0)
            fprintf(stderr, "%s\n", PQerrorMessage(conn));
    }