Silent some GCC warnings.

[ulut.git] / ulut / ul_cbuff.h

diff --git a/ulut/ul_cbuff.h b/ulut/ul_cbuff.h
index e9a74e3b5a00138399e5978161a20655108ba0a3..e766c84901a9e4036f72640d76e3510fe5222328 100644 (file)
--- a/ulut/ul_cbuff.h
+++ b/ulut/ul_cbuff.h
@@ -189,6 +189,8 @@ ul_cbuff_head_alloc(ul_cbuff_t *buff, ul_cbuff_put_info_t *put_info, unsigned in
   put_info->msg_head->flags|=flags;
   if(buff->state->readers>0)
     put_info->msg_head->flags+=buff->state->readers;
+  else if (buff->state->readers==0)
+    put_info->msg_head->flags+=1;
 
   put_info->msg_head->length=length;
 
@@ -261,10 +263,13 @@ ul_cbuff_tail_attach(ul_cbuff_t *buff, ul_cbuff_tail_info_t *tail_info, int mode
 {
   ul_cbuff_state_t *state=buff->state;
   ul_cbuff_msg_head_t *msg_head;
+  (void)mode;
 
-  msg_head=(ul_cbuff_msg_head_t *)(buff->buff_start+state->head);
-  if(state->readers>=0)
-    state->readers++;
+  if(state->readers>0)
+    msg_head=(ul_cbuff_msg_head_t *)(buff->buff_start+state->head);
+  else /* no reader yet .. state->readers==0 */
+    msg_head=(ul_cbuff_msg_head_t *)(buff->buff_start+state->lasttail);
+  state->readers++;
   tail_info->msg_head=msg_head;
   tail_info->data.ptr=NULL;
   return 0;
@@ -273,6 +278,8 @@ ul_cbuff_tail_attach(ul_cbuff_t *buff, ul_cbuff_tail_info_t *tail_info, int mode
 ul_cbuff_inline int
 ul_cbuff_tail_incontact(ul_cbuff_t *buff, ul_cbuff_tail_info_t *tail_info)
 {
+  (void)buff;
+
   if(tail_info->msg_head==NULL){
     return 0;
   }