Call deflateBound to calculate length with custom gzip header in example.

diff --git a/test/example.c b/test/example.c
index 151e814b7e0c6600b8915a98ad684d3d3801f9ab..9f1f52a9402138be831503b297f3c3b0cf07d5bc 100644 (file)
--- a/test/example.c
+++ b/test/example.c
@@ -934,6 +934,7 @@ void test_deflate_set_header(unsigned char *compr, size_t comprLen) {
     if (err == Z_OK) {
         printf("deflateSetHeader(): OK\n");
     }
+    PREFIX(deflateBound)(&c_stream, (unsigned long)comprLen);
 
     c_stream.next_in  = (unsigned char *)hello;
     c_stream.next_out = compr;