always check if output is ok after php3_header()

diff --git a/ext/hyperwave/hw.c b/ext/hyperwave/hw.c
index 80a37b61d86c713c5fe6d752d8758d11c9d1b690..9531a6b15c96f22d2924ded80f64da24151a6999 100644 (file)
--- a/ext/hyperwave/hw.c
+++ b/ext/hyperwave/hw.c
@@ -2513,8 +2513,8 @@ PHP_FUNCTION(hw_output_document) {
                RETURN_FALSE;
        }
 
-       php3_header();
-       php3_write(ptr->data, ptr->size);
+       if(php3_header())
+               php3_write(ptr->data, ptr->size);
 
        RETURN_TRUE;
 }