object: Fix for wrong parameter passed to snprintf callback

Instead of the remaining buffer length, the used buffer length was
passed to object's snprintf callback (and the final snprintf call).

Fixes: 5573d0146c1ae ("src: support for stateful objects")
Signed-off-by: Phil Sutter <phil@nwl.cc>

diff --git a/src/object.c b/src/object.c
index 008badeea9b6638891ad4a82ff77584689240612..46e79168daa76efbdce3d42335fa75a3dbb3a045 100644 (file)
--- a/src/object.c
+++ b/src/object.c
@@ -396,11 +396,11 @@ static int nftnl_obj_snprintf_dflt(char *buf, size_t size,
        SNPRINTF_BUFFER_SIZE(ret, remain, offset);
 
        if (obj->ops) {
-               ret = obj->ops->snprintf(buf + offset, offset, type, flags,
+               ret = obj->ops->snprintf(buf + offset, remain, type, flags,
                                         obj);
                SNPRINTF_BUFFER_SIZE(ret, remain, offset);
        }
-       ret = snprintf(buf + offset, offset, "]");
+       ret = snprintf(buf + offset, remain, "]");
        SNPRINTF_BUFFER_SIZE(ret, remain, offset);
 
        return offset;